diff --git a/Documentation/ABI/testing/sysfs-ibft b/Documentation/ABI/testing/sysfs-ibft index c2b7d1154bec..cac3930bdb04 100644 --- a/Documentation/ABI/testing/sysfs-ibft +++ b/Documentation/ABI/testing/sysfs-ibft @@ -20,4 +20,4 @@ Date: November 2007 Contact: Konrad Rzeszutek Description: The /sys/firmware/ibft/ethernetX directory will contain files that expose the iSCSI Boot Firmware Table NIC data. - This can this can the IP address, MAC, and gateway of the NIC. + Usually this contains the IP address, MAC, and gateway of the NIC. diff --git a/Documentation/DocBook/media/Makefile b/Documentation/DocBook/media/Makefile index df2962d9e11e..8bf7c6191296 100644 --- a/Documentation/DocBook/media/Makefile +++ b/Documentation/DocBook/media/Makefile @@ -25,7 +25,7 @@ GENFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(MEDIA_TEMP)) PHONY += cleanmediadocs cleanmediadocs: - -@rm `find $(MEDIA_OBJ_DIR) -type l` $(GENFILES) $(OBJIMGFILES) 2>/dev/null + -@rm -f `find $(MEDIA_OBJ_DIR) -type l` $(GENFILES) $(OBJIMGFILES) 2>/dev/null $(obj)/media_api.xml: $(GENFILES) FORCE diff --git a/Documentation/DocBook/media/v4l/compat.xml b/Documentation/DocBook/media/v4l/compat.xml index 07ffc76553ba..0a2debfa68f6 100644 --- a/Documentation/DocBook/media/v4l/compat.xml +++ b/Documentation/DocBook/media/v4l/compat.xml @@ -2566,6 +2566,10 @@ fields changed from _s32 to _u32. Added compound control types and &VIDIOC-QUERY-EXT-CTRL;. + + + +
V4L2 in Linux 3.18 diff --git a/Documentation/HOWTO b/Documentation/HOWTO index 57cf5efb044d..93aa8604630e 100644 --- a/Documentation/HOWTO +++ b/Documentation/HOWTO @@ -324,7 +324,6 @@ tree, they need to be integration-tested. For this purpose, a special testing repository exists into which virtually all subsystem trees are pulled on an almost daily basis: http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git - http://linux.f-seidel.de/linux-next/pmwiki/ This way, the -next kernel gives a summary outlook onto what will be expected to go into the mainline kernel at the next merge period. diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index 482c74947de0..1fa1caa198eb 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -483,12 +483,10 @@ have been included in the discussion 14) Using Reported-by:, Tested-by:, Reviewed-by:, Suggested-by: and Fixes: -If this patch fixes a problem reported by somebody else, consider adding a -Reported-by: tag to credit the reporter for their contribution. Please -note that this tag should not be added without the reporter's permission, -especially if the problem was not reported in a public forum. That said, -if we diligently credit our bug reporters, they will, hopefully, be -inspired to help us again in the future. +The Reported-by tag gives credit to people who find bugs and report them and it +hopefully inspires them to help us again in the future. Please note that if +the bug was reported in private, then ask for permission first before using the +Reported-by tag. A Tested-by: tag indicates that the patch has been successfully tested (in some environment) by the person named. This tag informs maintainers that diff --git a/Documentation/arm64/memory.txt b/Documentation/arm64/memory.txt index 344e85cc7323..d7273a5f6456 100644 --- a/Documentation/arm64/memory.txt +++ b/Documentation/arm64/memory.txt @@ -17,7 +17,7 @@ User addresses have bits 63:48 set to 0 while the kernel addresses have the same bits set to 1. TTBRx selection is given by bit 63 of the virtual address. The swapper_pg_dir contains only kernel (global) mappings while the user pgd contains only user (non-global) mappings. -The swapper_pgd_dir address is written to TTBR1 and never written to +The swapper_pg_dir address is written to TTBR1 and never written to TTBR0. diff --git a/Documentation/development-process/2.Process b/Documentation/development-process/2.Process index 2e0617936e8f..c24e156a6118 100644 --- a/Documentation/development-process/2.Process +++ b/Documentation/development-process/2.Process @@ -289,10 +289,6 @@ lists when they are assembled; they can be downloaded from: http://www.kernel.org/pub/linux/kernel/next/ -Some information about linux-next has been gathered at: - - http://linux.f-seidel.de/linux-next/pmwiki/ - Linux-next has become an integral part of the kernel development process; all patches merged during a given merge window should really have found their way into linux-next some time before the merge window opens. diff --git a/Documentation/development-process/8.Conclusion b/Documentation/development-process/8.Conclusion index 1990ab4b4949..caef69022e9c 100644 --- a/Documentation/development-process/8.Conclusion +++ b/Documentation/development-process/8.Conclusion @@ -22,10 +22,6 @@ Beyond that, a valuable resource for kernel developers is: http://kernelnewbies.org/ -Information about the linux-next tree gathers at: - - http://linux.f-seidel.de/linux-next/pmwiki/ - And, of course, one should not forget http://kernel.org/, the definitive location for kernel release information. diff --git a/Documentation/devicetree/bindings/ata/sata_rcar.txt b/Documentation/devicetree/bindings/ata/sata_rcar.txt index 1e6111333fa8..80ae87a0784b 100644 --- a/Documentation/devicetree/bindings/ata/sata_rcar.txt +++ b/Documentation/devicetree/bindings/ata/sata_rcar.txt @@ -3,8 +3,10 @@ Required properties: - compatible : should contain one of the following: - "renesas,sata-r8a7779" for R-Car H1 - - "renesas,sata-r8a7790" for R-Car H2 - - "renesas,sata-r8a7791" for R-Car M2 + - "renesas,sata-r8a7790-es1" for R-Car H2 ES1 + - "renesas,sata-r8a7790" for R-Car H2 other than ES1 + - "renesas,sata-r8a7791" for R-Car M2-W + - "renesas,sata-r8a7793" for R-Car M2-N - reg : address and length of the SATA registers; - interrupts : must consist of one interrupt specifier. diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt new file mode 100644 index 000000000000..9a55ac3735e5 --- /dev/null +++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt @@ -0,0 +1,26 @@ +Rockchip IOMMU +============== + +A Rockchip DRM iommu translates io virtual addresses to physical addresses for +its master device. Each slave device is bound to a single master device, and +shares its clocks, power domain and irq. + +Required properties: +- compatible : Should be "rockchip,iommu" +- reg : Address space for the configuration registers +- interrupts : Interrupt specifier for the IOMMU instance +- interrupt-names : Interrupt name for the IOMMU instance +- #iommu-cells : Should be <0>. This indicates the iommu is a + "single-master" device, and needs no additional information + to associate with its master device. See: + Documentation/devicetree/bindings/iommu/iommu.txt + +Example: + + vopl_mmu: iommu@ff940300 { + compatible = "rockchip,iommu"; + reg = <0xff940300 0x100>; + interrupts = ; + interrupt-names = "vopl_mmu"; + #iommu-cells = <0>; + }; diff --git a/Documentation/devicetree/bindings/mailbox/mailbox.txt b/Documentation/devicetree/bindings/mailbox/mailbox.txt new file mode 100644 index 000000000000..1a2cd3d266db --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/mailbox.txt @@ -0,0 +1,38 @@ +* Generic Mailbox Controller and client driver bindings + +Generic binding to provide a way for Mailbox controller drivers to +assign appropriate mailbox channel to client drivers. + +* Mailbox Controller + +Required property: +- #mbox-cells: Must be at least 1. Number of cells in a mailbox + specifier. + +Example: + mailbox: mailbox { + ... + #mbox-cells = <1>; + }; + + +* Mailbox Client + +Required property: +- mboxes: List of phandle and mailbox channel specifiers. + +Optional property: +- mbox-names: List of identifier strings for each mailbox channel + required by the client. The use of this property + is discouraged in favor of using index in list of + 'mboxes' while requesting a mailbox. Instead the + platforms may define channel indices, in DT headers, + to something legible. + +Example: + pwr_cntrl: power { + ... + mbox-names = "pwr-ctrl", "rpc"; + mboxes = <&mailbox 0 + &mailbox 1>; + }; diff --git a/Documentation/devicetree/bindings/net/smsc-lan91c111.txt b/Documentation/devicetree/bindings/net/smsc-lan91c111.txt index 0f8487b88822..e77e167593db 100644 --- a/Documentation/devicetree/bindings/net/smsc-lan91c111.txt +++ b/Documentation/devicetree/bindings/net/smsc-lan91c111.txt @@ -11,3 +11,5 @@ Optional properties: are supported on the device. Valid value for SMSC LAN91c111 are 1, 2 or 4. If it's omitted or invalid, the size would be 2 meaning 16-bit access only. +- power-gpios: GPIO to control the PWRDWN pin +- reset-gpios: GPIO to control the RESET pin diff --git a/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt index 0bda229a6171..3899d6a557c1 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt @@ -1,5 +1,20 @@ Freescale FlexTimer Module (FTM) PWM controller +The same FTM PWM device can have a different endianness on different SoCs. The +device tree provides a property to describing this so that an operating system +device driver can handle all variants of the device. Refer to the table below +for the endianness of the FTM PWM block as integrated into the existing SoCs: + + SoC | FTM-PWM endianness + --------+------------------- + Vybrid | LE + LS1 | BE + LS2 | LE + +Please see ../regmap/regmap.txt for more detail about how to specify endian +modes in device tree. + + Required properties: - compatible: Should be "fsl,vf610-ftm-pwm". - reg: Physical base address and length of the controller's registers @@ -16,7 +31,8 @@ Required properties: - pinctrl-names: Must contain a "default" entry. - pinctrl-NNN: One property must exist for each entry in pinctrl-names. See pinctrl/pinctrl-bindings.txt for details of the property values. - +- big-endian: Boolean property, required if the FTM PWM registers use a big- + endian rather than little-endian layout. Example: @@ -32,4 +48,5 @@ pwm0: pwm@40038000 { <&clks VF610_CLK_FTM0_EXT_FIX_EN>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm0_1>; + big-endian; }; diff --git a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt index d47d15a6a298..b8be3d09ee26 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt @@ -7,8 +7,8 @@ Required properties: "rockchip,vop-pwm": found integrated in VOP on RK3288 SoC - reg: physical base address and length of the controller's registers - clocks: phandle and clock specifier of the PWM reference clock - - #pwm-cells: should be 2. See pwm.txt in this directory for a - description of the cell format. + - #pwm-cells: must be 2 (rk2928) or 3 (rk3288). See pwm.txt in this directory + for a description of the cell format. Example: diff --git a/Documentation/devicetree/bindings/sound/sgtl5000.txt b/Documentation/devicetree/bindings/sound/sgtl5000.txt index 955df60a118c..d556dcb8816b 100644 --- a/Documentation/devicetree/bindings/sound/sgtl5000.txt +++ b/Documentation/devicetree/bindings/sound/sgtl5000.txt @@ -7,10 +7,20 @@ Required properties: - clocks : the clock provider of SYS_MCLK +- VDDA-supply : the regulator provider of VDDA + +- VDDIO-supply: the regulator provider of VDDIO + +Optional properties: + +- VDDD-supply : the regulator provider of VDDD + Example: codec: sgtl5000@0a { compatible = "fsl,sgtl5000"; reg = <0x0a>; clocks = <&clks 150>; + VDDA-supply = <®_3p3v>; + VDDIO-supply = <®_3p3v>; }; diff --git a/Documentation/devicetree/bindings/submitting-patches.txt b/Documentation/devicetree/bindings/submitting-patches.txt index 042a0273b8ba..b7ba01ad1426 100644 --- a/Documentation/devicetree/bindings/submitting-patches.txt +++ b/Documentation/devicetree/bindings/submitting-patches.txt @@ -12,6 +12,9 @@ I. For patch submitters devicetree@vger.kernel.org + 3) The Documentation/ portion of the patch should come in the series before + the code implementing the binding. + II. For kernel maintainers 1) If you aren't comfortable reviewing a given binding, reply to it and ask diff --git a/Documentation/devicetree/bindings/thermal/imx-thermal.txt b/Documentation/devicetree/bindings/thermal/imx-thermal.txt index 1f0f67234a91..3c67bd50aa10 100644 --- a/Documentation/devicetree/bindings/thermal/imx-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/imx-thermal.txt @@ -1,7 +1,10 @@ * Temperature Monitor (TEMPMON) on Freescale i.MX SoCs Required properties: -- compatible : "fsl,imx6q-thermal" +- compatible : "fsl,imx6q-tempmon" for i.MX6Q, "fsl,imx6sx-tempmon" for i.MX6SX. + i.MX6SX has two more IRQs than i.MX6Q, one is IRQ_LOW and the other is IRQ_PANIC, + when temperature is below than low threshold, IRQ_LOW will be triggered, when temperature + is higher than panic threshold, system will auto reboot by SRC module. - fsl,tempmon : phandle pointer to system controller that contains TEMPMON control registers, e.g. ANATOP on imx6q. - fsl,tempmon-data : phandle pointer to fuse controller that contains TEMPMON diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt index 0ef00be44b01..43404b197933 100644 --- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt @@ -7,7 +7,10 @@ Required properties: - "renesas,thermal-r8a73a4" (R-Mobile AP6) - "renesas,thermal-r8a7779" (R-Car H1) - "renesas,thermal-r8a7790" (R-Car H2) - - "renesas,thermal-r8a7791" (R-Car M2) + - "renesas,thermal-r8a7791" (R-Car M2-W) + - "renesas,thermal-r8a7792" (R-Car V2H) + - "renesas,thermal-r8a7793" (R-Car M2-N) + - "renesas,thermal-r8a7794" (R-Car E2) - reg : Address range of the thermal registers. The 1st reg will be recognized as common register if it has "interrupts". diff --git a/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt new file mode 100644 index 000000000000..c3a36ee45552 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/cadence-wdt.txt @@ -0,0 +1,24 @@ +Zynq Watchdog Device Tree Bindings +------------------------------------------- + +Required properties: +- compatible : Should be "cdns,wdt-r1p2". +- clocks : This is pclk (APB clock). +- interrupts : This is wd_irq - watchdog timeout interrupt. +- interrupt-parent : Must be core interrupt controller. + +Optional properties +- reset-on-timeout : If this property exists, then a reset is done + when watchdog times out. +- timeout-sec : Watchdog timeout value (in seconds). + +Example: + watchdog@f8005000 { + compatible = "cdns,wdt-r1p2"; + clocks = <&clkc 45>; + interrupt-parent = <&intc>; + interrupts = <0 9 1>; + reg = <0xf8005000 0x1000>; + reset-on-timeout; + timeout-sec = <10>; + }; diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt index e52ba2da868c..8dab6fd024aa 100644 --- a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt @@ -7,7 +7,8 @@ Required properties: Optional property: - big-endian: If present the watchdog device's registers are implemented - in big endian mode, otherwise in little mode. + in big endian mode, otherwise in native mode(same with CPU), for more + detail please see: Documentation/devicetree/bindings/regmap/regmap.txt. Examples: diff --git a/Documentation/devicetree/bindings/watchdog/meson6-wdt.txt b/Documentation/devicetree/bindings/watchdog/meson6-wdt.txt new file mode 100644 index 000000000000..9200fc2d508c --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/meson6-wdt.txt @@ -0,0 +1,13 @@ +Meson SoCs Watchdog timer + +Required properties: + +- compatible : should be "amlogic,meson6-wdt" +- reg : Specifies base physical address and size of the registers. + +Example: + +wdt: watchdog@c1109900 { + compatible = "amlogic,meson6-wdt"; + reg = <0xc1109900 0x8>; +}; diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt new file mode 100644 index 000000000000..4726924d034e --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.txt @@ -0,0 +1,24 @@ +Qualcomm Krait Processor Sub-system (KPSS) Watchdog +--------------------------------------------------- + +Required properties : +- compatible : shall contain only one of the following: + + "qcom,kpss-wdt-msm8960" + "qcom,kpss-wdt-apq8064" + "qcom,kpss-wdt-ipq8064" + +- reg : shall contain base register location and length +- clocks : shall contain the input clock + +Optional properties : +- timeout-sec : shall contain the default watchdog timeout in seconds, + if unset, the default timeout is 30 seconds + +Example: + watchdog@208a038 { + compatible = "qcom,kpss-wdt-ipq8064"; + reg = <0x0208a038 0x40>; + clocks = <&sleep_clk>; + timeout-sec = <10>; + }; diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt index cfff37511aac..8f3d96af81d7 100644 --- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt @@ -9,6 +9,7 @@ Required properties: (a) "samsung,s3c2410-wdt" for Exynos4 and previous SoCs (b) "samsung,exynos5250-wdt" for Exynos5250 (c) "samsung,exynos5420-wdt" for Exynos5420 + (c) "samsung,exynos7-wdt" for Exynos7 - reg : base physical address of the controller and length of memory mapped region. diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 94d93b1f8b53..b30753cbf431 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -67,6 +67,7 @@ prototypes: struct file *, unsigned open_flag, umode_t create_mode, int *opened); int (*tmpfile) (struct inode *, struct dentry *, umode_t); + int (*dentry_open)(struct dentry *, struct file *, const struct cred *); locking rules: all may block @@ -96,6 +97,7 @@ fiemap: no update_time: no atomic_open: yes tmpfile: no +dentry_open: no Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on victim. diff --git a/Documentation/filesystems/overlayfs.txt b/Documentation/filesystems/overlayfs.txt new file mode 100644 index 000000000000..530850a72735 --- /dev/null +++ b/Documentation/filesystems/overlayfs.txt @@ -0,0 +1,198 @@ +Written by: Neil Brown + +Overlay Filesystem +================== + +This document describes a prototype for a new approach to providing +overlay-filesystem functionality in Linux (sometimes referred to as +union-filesystems). An overlay-filesystem tries to present a +filesystem which is the result over overlaying one filesystem on top +of the other. + +The result will inevitably fail to look exactly like a normal +filesystem for various technical reasons. The expectation is that +many use cases will be able to ignore these differences. + +This approach is 'hybrid' because the objects that appear in the +filesystem do not all appear to belong to that filesystem. In many +cases an object accessed in the union will be indistinguishable +from accessing the corresponding object from the original filesystem. +This is most obvious from the 'st_dev' field returned by stat(2). + +While directories will report an st_dev from the overlay-filesystem, +all non-directory objects will report an st_dev from the lower or +upper filesystem that is providing the object. Similarly st_ino will +only be unique when combined with st_dev, and both of these can change +over the lifetime of a non-directory object. Many applications and +tools ignore these values and will not be affected. + +Upper and Lower +--------------- + +An overlay filesystem combines two filesystems - an 'upper' filesystem +and a 'lower' filesystem. When a name exists in both filesystems, the +object in the 'upper' filesystem is visible while the object in the +'lower' filesystem is either hidden or, in the case of directories, +merged with the 'upper' object. + +It would be more correct to refer to an upper and lower 'directory +tree' rather than 'filesystem' as it is quite possible for both +directory trees to be in the same filesystem and there is no +requirement that the root of a filesystem be given for either upper or +lower. + +The lower filesystem can be any filesystem supported by Linux and does +not need to be writable. The lower filesystem can even be another +overlayfs. The upper filesystem will normally be writable and if it +is it must support the creation of trusted.* extended attributes, and +must provide valid d_type in readdir responses, so NFS is not suitable. + +A read-only overlay of two read-only filesystems may use any +filesystem type. + +Directories +----------- + +Overlaying mainly involves directories. If a given name appears in both +upper and lower filesystems and refers to a non-directory in either, +then the lower object is hidden - the name refers only to the upper +object. + +Where both upper and lower objects are directories, a merged directory +is formed. + +At mount time, the two directories given as mount options "lowerdir" and +"upperdir" are combined into a merged directory: + + mount -t overlayfs overlayfs -olowerdir=/lower,upperdir=/upper,\ +workdir=/work /merged + +The "workdir" needs to be an empty directory on the same filesystem +as upperdir. + +Then whenever a lookup is requested in such a merged directory, the +lookup is performed in each actual directory and the combined result +is cached in the dentry belonging to the overlay filesystem. If both +actual lookups find directories, both are stored and a merged +directory is created, otherwise only one is stored: the upper if it +exists, else the lower. + +Only the lists of names from directories are merged. Other content +such as metadata and extended attributes are reported for the upper +directory only. These attributes of the lower directory are hidden. + +whiteouts and opaque directories +-------------------------------- + +In order to support rm and rmdir without changing the lower +filesystem, an overlay filesystem needs to record in the upper filesystem +that files have been removed. This is done using whiteouts and opaque +directories (non-directories are always opaque). + +A whiteout is created as a character device with 0/0 device number. +When a whiteout is found in the upper level of a merged directory, any +matching name in the lower level is ignored, and the whiteout itself +is also hidden. + +A directory is made opaque by setting the xattr "trusted.overlay.opaque" +to "y". Where the upper filesystem contains an opaque directory, any +directory in the lower filesystem with the same name is ignored. + +readdir +------- + +When a 'readdir' request is made on a merged directory, the upper and +lower directories are each read and the name lists merged in the +obvious way (upper is read first, then lower - entries that already +exist are not re-added). This merged name list is cached in the +'struct file' and so remains as long as the file is kept open. If the +directory is opened and read by two processes at the same time, they +will each have separate caches. A seekdir to the start of the +directory (offset 0) followed by a readdir will cause the cache to be +discarded and rebuilt. + +This means that changes to the merged directory do not appear while a +directory is being read. This is unlikely to be noticed by many +programs. + +seek offsets are assigned sequentially when the directories are read. +Thus if + - read part of a directory + - remember an offset, and close the directory + - re-open the directory some time later + - seek to the remembered offset + +there may be little correlation between the old and new locations in +the list of filenames, particularly if anything has changed in the +directory. + +Readdir on directories that are not merged is simply handled by the +underlying directory (upper or lower). + + +Non-directories +--------------- + +Objects that are not directories (files, symlinks, device-special +files etc.) are presented either from the upper or lower filesystem as +appropriate. When a file in the lower filesystem is accessed in a way +the requires write-access, such as opening for write access, changing +some metadata etc., the file is first copied from the lower filesystem +to the upper filesystem (copy_up). Note that creating a hard-link +also requires copy_up, though of course creation of a symlink does +not. + +The copy_up may turn out to be unnecessary, for example if the file is +opened for read-write but the data is not modified. + +The copy_up process first makes sure that the containing directory +exists in the upper filesystem - creating it and any parents as +necessary. It then creates the object with the same metadata (owner, +mode, mtime, symlink-target etc.) and then if the object is a file, the +data is copied from the lower to the upper filesystem. Finally any +extended attributes are copied up. + +Once the copy_up is complete, the overlay filesystem simply +provides direct access to the newly created file in the upper +filesystem - future operations on the file are barely noticed by the +overlay filesystem (though an operation on the name of the file such as +rename or unlink will of course be noticed and handled). + + +Non-standard behavior +--------------------- + +The copy_up operation essentially creates a new, identical file and +moves it over to the old name. The new file may be on a different +filesystem, so both st_dev and st_ino of the file may change. + +Any open files referring to this inode will access the old data and +metadata. Similarly any file locks obtained before copy_up will not +apply to the copied up file. + +On a file opened with O_RDONLY fchmod(2), fchown(2), futimesat(2) and +fsetxattr(2) will fail with EROFS. + +If a file with multiple hard links is copied up, then this will +"break" the link. Changes will not be propagated to other names +referring to the same inode. + +Symlinks in /proc/PID/ and /proc/PID/fd which point to a non-directory +object in overlayfs will not contain valid absolute paths, only +relative paths leading up to the filesystem's root. This will be +fixed in the future. + +Some operations are not atomic, for example a crash during copy_up or +rename will leave the filesystem in an inconsistent state. This will +be addressed in the future. + +Changes to underlying filesystems +--------------------------------- + +Offline changes, when the overlay is not mounted, are allowed to either +the upper or the lower trees. + +Changes to the underlying filesystems while part of a mounted overlay +filesystem are not allowed. If the underlying filesystem is changed, +the behavior of the overlay is undefined, though it will not result in +a crash or deadlock. diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index fceff7c00a3c..20bf204426ca 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -364,6 +364,7 @@ struct inode_operations { int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, umode_t create_mode, int *opened); int (*tmpfile) (struct inode *, struct dentry *, umode_t); + int (*dentry_open)(struct dentry *, struct file *, const struct cred *); }; Again, all methods are called without any locks being held, unless @@ -696,6 +697,12 @@ struct address_space_operations { but instead uses bmap to find out where the blocks in the file are and uses those addresses directly. + dentry_open: *WARNING: probably going away soon, do not use!* This is an + alternative to f_op->open(), the difference is that this method may open + a file not necessarily originating from the same filesystem as the one + i_op->open() was called on. It may be useful for stacking filesystems + which want to allow native I/O directly on underlying files. + invalidatepage: If a page has PagePrivate set, then invalidatepage will be called when part or all of the page is to be removed diff --git a/Documentation/input/elantech.txt b/Documentation/input/elantech.txt index e1ae127ed099..1ec0db7879d3 100644 --- a/Documentation/input/elantech.txt +++ b/Documentation/input/elantech.txt @@ -38,22 +38,38 @@ Contents 7.2.1 Status packet 7.2.2 Head packet 7.2.3 Motion packet + 8. Trackpoint (for Hardware version 3 and 4) + 8.1 Registers + 8.2 Native relative mode 6 byte packet format + 8.2.1 Status Packet 1. Introduction ~~~~~~~~~~~~ -Currently the Linux Elantech touchpad driver is aware of two different -hardware versions unimaginatively called version 1 and version 2. Version 1 -is found in "older" laptops and uses 4 bytes per packet. Version 2 seems to -be introduced with the EeePC and uses 6 bytes per packet, and provides -additional features such as position of two fingers, and width of the touch. +Currently the Linux Elantech touchpad driver is aware of four different +hardware versions unimaginatively called version 1,version 2, version 3 +and version 4. Version 1 is found in "older" laptops and uses 4 bytes per +packet. Version 2 seems to be introduced with the EeePC and uses 6 bytes +per packet, and provides additional features such as position of two fingers, +and width of the touch. Hardware version 3 uses 6 bytes per packet (and +for 2 fingers the concatenation of two 6 bytes packets) and allows tracking +of up to 3 fingers. Hardware version 4 uses 6 bytes per packet, and can +combine a status packet with multiple head or motion packets. Hardware version +4 allows tracking up to 5 fingers. + +Some Hardware version 3 and version 4 also have a trackpoint which uses a +separate packet format. It is also 6 bytes per packet. The driver tries to support both hardware versions and should be compatible with the Xorg Synaptics touchpad driver and its graphical configuration utilities. +Note that a mouse button is also associated with either the touchpad or the +trackpoint when a trackpoint is available. Disabling the Touchpad in xorg +(TouchPadOff=0) will also disable the buttons associated with the touchpad. + Additionally the operation of the touchpad can be altered by adjusting the contents of some of its internal registers. These registers are represented by the driver as sysfs entries under /sys/bus/serio/drivers/psmouse/serio? @@ -78,7 +94,7 @@ completeness sake. 2. Extra knobs ~~~~~~~~~~~ -Currently the Linux Elantech touchpad driver provides two extra knobs under +Currently the Linux Elantech touchpad driver provides three extra knobs under /sys/bus/serio/drivers/psmouse/serio? for the user. * debug @@ -112,6 +128,20 @@ Currently the Linux Elantech touchpad driver provides two extra knobs under data consistency checking can be done. For now checking is disabled by default. Currently even turning it on will do nothing. +* crc_enabled + + Sets crc_enabled to 0/1. The name "crc_enabled" is the official name of + this integrity check, even though it is not an actual cyclic redundancy + check. + + Depending on the state of crc_enabled, certain basic data integrity + verification is done by the driver on hardware version 3 and 4. The + driver will reject any packet that appears corrupted. Using this knob, + The state of crc_enabled can be altered with this knob. + + Reading the crc_enabled value will show the active value. Echoing + "0" or "1" to this file will set the state to "0" or "1". + ///////////////////////////////////////////////////////////////////////////// 3. Differentiating hardware versions @@ -746,3 +776,42 @@ byte 5: byte 0 ~ 2 for one finger byte 3 ~ 5 for another + + +8. Trackpoint (for Hardware version 3 and 4) + ========================================= +8.1 Registers + ~~~~~~~~~ +No special registers have been identified. + +8.2 Native relative mode 6 byte packet format + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +8.2.1 Status Packet + ~~~~~~~~~~~~~ + +byte 0: + bit 7 6 5 4 3 2 1 0 + 0 0 sx sy 0 M R L +byte 1: + bit 7 6 5 4 3 2 1 0 + ~sx 0 0 0 0 0 0 0 +byte 2: + bit 7 6 5 4 3 2 1 0 + ~sy 0 0 0 0 0 0 0 +byte 3: + bit 7 6 5 4 3 2 1 0 + 0 0 ~sy ~sx 0 1 1 0 +byte 4: + bit 7 6 5 4 3 2 1 0 + x7 x6 x5 x4 x3 x2 x1 x0 +byte 5: + bit 7 6 5 4 3 2 1 0 + y7 y6 y5 y4 y3 y2 y1 y0 + + + x and y are written in two's complement spread + over 9 bits with sx/sy the relative top bit and + x7..x0 and y7..y0 the lower bits. + ~sx is the inverse of sx, ~sy is the inverse of sy. + The sign of y is opposite to what the input driver + expects for a relative movement diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 7dbe5ec9d9cd..479f33204a37 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1015,10 +1015,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Format: {"off" | "on" | "skip[mbr]"} efi= [EFI] - Format: { "old_map" } + Format: { "old_map", "nochunk", "noruntime" } old_map [X86-64]: switch to the old ioremap-based EFI runtime services mapping. 32-bit still uses this one by default. + nochunk: disable reading files in "chunks" in the EFI + boot stub, as chunking can cause problems with some + firmware implementations. + noruntime : disable EFI runtime services support efi_no_storage_paranoia [EFI; X86] Using this parameter you can use more than 50% of @@ -1260,7 +1264,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. i8042.noloop [HW] Disable the AUX Loopback command while probing for the AUX port i8042.nomux [HW] Don't check presence of an active multiplexing - controller. Default: true. + controller i8042.nopnp [HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX controllers i8042.notimeout [HW] Ignore timeout condition signalled by controller @@ -1303,6 +1307,18 @@ bytes respectively. Such letter suffixes can also be entirely omitted. .cdrom .chs .ignore_cable are additional options See Documentation/ide/ide.txt. + ide-generic.probe-mask= [HW] (E)IDE subsystem + Format: + Probe mask for legacy ISA IDE ports. Depending on + platform up to 6 ports are supported, enabled by + setting corresponding bits in the mask to 1. The + default value is 0x0, which has a special meaning. + On systems that have PCI, it triggers scanning the + PCI bus for the first and the second port, which + are then probed. On systems without PCI the value + of 0x0 enables probing the two first ports as if it + was 0x3. + ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem Claim all unknown PCI IDE storage controllers. @@ -1583,6 +1599,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted. kmemleak= [KNL] Boot-time kmemleak enable/disable Valid arguments: on, off Default: on + Built with CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y, + the default is off. kmemcheck= [X86] Boot-time kmemcheck enable/disable/one-shot mode Valid arguments: 0, 1, 2 @@ -2232,7 +2250,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. nodsp [SH] Disable hardware DSP at boot time. - noefi [X86] Disable EFI runtime services support. + noefi Disable EFI runtime services support. noexec [IA-64] @@ -3465,6 +3483,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. e.g. base its process migration decisions on it. Default is on. + topology_updates= [KNL, PPC, NUMA] + Format: {off} + Specify if the kernel should ignore (off) + topology updates sent by the hypervisor to this + LPAR. + tp720= [HW,PS2] tpm_suspend_pcr=[HW,TPM] @@ -3597,7 +3621,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. usb-storage.delay_use= [UMS] The delay in seconds before a new device is - scanned for Logical Units (default 5). + scanned for Logical Units (default 1). usb-storage.quirks= [UMS] A list of quirks entries to supplement or diff --git a/Documentation/kmemleak.txt b/Documentation/kmemleak.txt index f4f033c8d856..45e777f4e41d 100644 --- a/Documentation/kmemleak.txt +++ b/Documentation/kmemleak.txt @@ -62,6 +62,10 @@ Memory may be allocated or freed before kmemleak is initialised and these actions are stored in an early log buffer. The size of this buffer is configured via the CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE option. +If CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF are enabled, the kmemleak is +disabled by default. Passing "kmemleak=on" on the kernel command +line enables the function. + Basic Algorithm --------------- diff --git a/Documentation/mailbox.txt b/Documentation/mailbox.txt new file mode 100644 index 000000000000..60f43ff629aa --- /dev/null +++ b/Documentation/mailbox.txt @@ -0,0 +1,122 @@ + The Common Mailbox Framework + Jassi Brar + + This document aims to help developers write client and controller +drivers for the API. But before we start, let us note that the +client (especially) and controller drivers are likely going to be +very platform specific because the remote firmware is likely to be +proprietary and implement non-standard protocol. So even if two +platforms employ, say, PL320 controller, the client drivers can't +be shared across them. Even the PL320 driver might need to accommodate +some platform specific quirks. So the API is meant mainly to avoid +similar copies of code written for each platform. Having said that, +nothing prevents the remote f/w to also be Linux based and use the +same api there. However none of that helps us locally because we only +ever deal at client's protocol level. + Some of the choices made during implementation are the result of this +peculiarity of this "common" framework. + + + + Part 1 - Controller Driver (See include/linux/mailbox_controller.h) + + Allocate mbox_controller and the array of mbox_chan. +Populate mbox_chan_ops, except peek_data() all are mandatory. +The controller driver might know a message has been consumed +by the remote by getting an IRQ or polling some hardware flag +or it can never know (the client knows by way of the protocol). +The method in order of preference is IRQ -> Poll -> None, which +the controller driver should set via 'txdone_irq' or 'txdone_poll' +or neither. + + + Part 2 - Client Driver (See include/linux/mailbox_client.h) + + The client might want to operate in blocking mode (synchronously +send a message through before returning) or non-blocking/async mode (submit +a message and a callback function to the API and return immediately). + + +struct demo_client { + struct mbox_client cl; + struct mbox_chan *mbox; + struct completion c; + bool async; + /* ... */ +}; + +/* + * This is the handler for data received from remote. The behaviour is purely + * dependent upon the protocol. This is just an example. + */ +static void message_from_remote(struct mbox_client *cl, void *mssg) +{ + struct demo_client *dc = container_of(mbox_client, + struct demo_client, cl); + if (dc->aysnc) { + if (is_an_ack(mssg)) { + /* An ACK to our last sample sent */ + return; /* Or do something else here */ + } else { /* A new message from remote */ + queue_req(mssg); + } + } else { + /* Remote f/w sends only ACK packets on this channel */ + return; + } +} + +static void sample_sent(struct mbox_client *cl, void *mssg, int r) +{ + struct demo_client *dc = container_of(mbox_client, + struct demo_client, cl); + complete(&dc->c); +} + +static void client_demo(struct platform_device *pdev) +{ + struct demo_client *dc_sync, *dc_async; + /* The controller already knows async_pkt and sync_pkt */ + struct async_pkt ap; + struct sync_pkt sp; + + dc_sync = kzalloc(sizeof(*dc_sync), GFP_KERNEL); + dc_async = kzalloc(sizeof(*dc_async), GFP_KERNEL); + + /* Populate non-blocking mode client */ + dc_async->cl.dev = &pdev->dev; + dc_async->cl.rx_callback = message_from_remote; + dc_async->cl.tx_done = sample_sent; + dc_async->cl.tx_block = false; + dc_async->cl.tx_tout = 0; /* doesn't matter here */ + dc_async->cl.knows_txdone = false; /* depending upon protocol */ + dc_async->async = true; + init_completion(&dc_async->c); + + /* Populate blocking mode client */ + dc_sync->cl.dev = &pdev->dev; + dc_sync->cl.rx_callback = message_from_remote; + dc_sync->cl.tx_done = NULL; /* operate in blocking mode */ + dc_sync->cl.tx_block = true; + dc_sync->cl.tx_tout = 500; /* by half a second */ + dc_sync->cl.knows_txdone = false; /* depending upon protocol */ + dc_sync->async = false; + + /* ASync mailbox is listed second in 'mboxes' property */ + dc_async->mbox = mbox_request_channel(&dc_async->cl, 1); + /* Populate data packet */ + /* ap.xxx = 123; etc */ + /* Send async message to remote */ + mbox_send_message(dc_async->mbox, &ap); + + /* Sync mailbox is listed first in 'mboxes' property */ + dc_sync->mbox = mbox_request_channel(&dc_sync->cl, 0); + /* Populate data packet */ + /* sp.abc = 123; etc */ + /* Send message to remote in blocking mode */ + mbox_send_message(dc_sync->mbox, &sp); + /* At this point 'sp' has been sent */ + + /* Now wait for async chan to be done */ + wait_for_completion(&dc_async->c); +} diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 0307e2875f21..a476b08a43e0 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -56,6 +56,13 @@ ip_forward_use_pmtu - BOOLEAN 0 - disabled 1 - enabled +fwmark_reflect - BOOLEAN + Controls the fwmark of kernel-generated IPv4 reply packets that are not + associated with a socket for example, TCP RSTs or ICMP echo replies). + If unset, these packets have a fwmark of zero. If set, they have the + fwmark of the packet they are replying to. + Default: 0 + route/max_size - INTEGER Maximum number of routes allowed in the kernel. Increase this when using large numbers of interfaces and/or routes. @@ -1201,6 +1208,13 @@ conf/all/forwarding - BOOLEAN proxy_ndp - BOOLEAN Do proxy ndp. +fwmark_reflect - BOOLEAN + Controls the fwmark of kernel-generated IPv6 reply packets that are not + associated with a socket for example, TCP RSTs or ICMPv6 echo replies). + If unset, these packets have a fwmark of zero. If set, they have the + fwmark of the packet they are replying to. + Default: 0 + conf/interface/*: Change special settings per interface. diff --git a/Documentation/power/pm_qos_interface.txt b/Documentation/power/pm_qos_interface.txt index a5da5c7e7128..129f7c0e1483 100644 --- a/Documentation/power/pm_qos_interface.txt +++ b/Documentation/power/pm_qos_interface.txt @@ -5,7 +5,8 @@ performance expectations by drivers, subsystems and user space applications on one of the parameters. Two different PM QoS frameworks are available: -1. PM QoS classes for cpu_dma_latency, network_latency, network_throughput. +1. PM QoS classes for cpu_dma_latency, network_latency, network_throughput, +memory_bandwidth. 2. the per-device PM QoS framework provides the API to manage the per-device latency constraints and PM QoS flags. @@ -13,6 +14,7 @@ Each parameters have defined units: * latency: usec * timeout: usec * throughput: kbs (kilo bit / sec) + * memory bandwidth: mbs (mega bit / sec) 1. PM QoS framework diff --git a/Documentation/prctl/Makefile b/Documentation/prctl/Makefile index 3e3232dcb2b8..2948b7b124b9 100644 --- a/Documentation/prctl/Makefile +++ b/Documentation/prctl/Makefile @@ -1,5 +1,5 @@ # List of programs to build -hostprogs-y := disable-tsc-ctxt-sw-stress-test disable-tsc-on-off-stress-test disable-tsc-test +hostprogs-$(CONFIG_X86) := disable-tsc-ctxt-sw-stress-test disable-tsc-on-off-stress-test disable-tsc-test # Tell kbuild to always build the programs always := $(hostprogs-y) diff --git a/Documentation/ptp/testptp.mk b/Documentation/ptp/testptp.mk new file mode 100644 index 000000000000..4ef2d9755421 --- /dev/null +++ b/Documentation/ptp/testptp.mk @@ -0,0 +1,33 @@ +# PTP 1588 clock support - User space test program +# +# Copyright (C) 2010 OMICRON electronics GmbH +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +CC = $(CROSS_COMPILE)gcc +INC = -I$(KBUILD_OUTPUT)/usr/include +CFLAGS = -Wall $(INC) +LDLIBS = -lrt +PROGS = testptp + +all: $(PROGS) + +testptp: testptp.o + +clean: + rm -f testptp.o + +distclean: clean + rm -f $(PROGS) diff --git a/Documentation/scsi/osd.txt b/Documentation/scsi/osd.txt index da162f7fd5f5..5a9879bad073 100644 --- a/Documentation/scsi/osd.txt +++ b/Documentation/scsi/osd.txt @@ -184,8 +184,7 @@ Any problems, questions, bug reports, lonely OSD nights, please email: More up-to-date information can be found on: http://open-osd.org -Boaz Harrosh -Benny Halevy +Boaz Harrosh References ========== diff --git a/Documentation/target/tcmu-design.txt b/Documentation/target/tcmu-design.txt new file mode 100644 index 000000000000..5518465290bf --- /dev/null +++ b/Documentation/target/tcmu-design.txt @@ -0,0 +1,378 @@ +Contents: + +1) TCM Userspace Design + a) Background + b) Benefits + c) Design constraints + d) Implementation overview + i. Mailbox + ii. Command ring + iii. Data Area + e) Device discovery + f) Device events + g) Other contingencies +2) Writing a user pass-through handler + a) Discovering and configuring TCMU uio devices + b) Waiting for events on the device(s) + c) Managing the command ring +3) Command filtering and pass_level +4) A final note + + +TCM Userspace Design +-------------------- + +TCM is another name for LIO, an in-kernel iSCSI target (server). +Existing TCM targets run in the kernel. TCMU (TCM in Userspace) +allows userspace programs to be written which act as iSCSI targets. +This document describes the design. + +The existing kernel provides modules for different SCSI transport +protocols. TCM also modularizes the data storage. There are existing +modules for file, block device, RAM or using another SCSI device as +storage. These are called "backstores" or "storage engines". These +built-in modules are implemented entirely as kernel code. + +Background: + +In addition to modularizing the transport protocol used for carrying +SCSI commands ("fabrics"), the Linux kernel target, LIO, also modularizes +the actual data storage as well. These are referred to as "backstores" +or "storage engines". The target comes with backstores that allow a +file, a block device, RAM, or another SCSI device to be used for the +local storage needed for the exported SCSI LUN. Like the rest of LIO, +these are implemented entirely as kernel code. + +These backstores cover the most common use cases, but not all. One new +use case that other non-kernel target solutions, such as tgt, are able +to support is using Gluster's GLFS or Ceph's RBD as a backstore. The +target then serves as a translator, allowing initiators to store data +in these non-traditional networked storage systems, while still only +using standard protocols themselves. + +If the target is a userspace process, supporting these is easy. tgt, +for example, needs only a small adapter module for each, because the +modules just use the available userspace libraries for RBD and GLFS. + +Adding support for these backstores in LIO is considerably more +difficult, because LIO is entirely kernel code. Instead of undertaking +the significant work to port the GLFS or RBD APIs and protocols to the +kernel, another approach is to create a userspace pass-through +backstore for LIO, "TCMU". + + +Benefits: + +In addition to allowing relatively easy support for RBD and GLFS, TCMU +will also allow easier development of new backstores. TCMU combines +with the LIO loopback fabric to become something similar to FUSE +(Filesystem in Userspace), but at the SCSI layer instead of the +filesystem layer. A SUSE, if you will. + +The disadvantage is there are more distinct components to configure, and +potentially to malfunction. This is unavoidable, but hopefully not +fatal if we're careful to keep things as simple as possible. + +Design constraints: + +- Good performance: high throughput, low latency +- Cleanly handle if userspace: + 1) never attaches + 2) hangs + 3) dies + 4) misbehaves +- Allow future flexibility in user & kernel implementations +- Be reasonably memory-efficient +- Simple to configure & run +- Simple to write a userspace backend + + +Implementation overview: + +The core of the TCMU interface is a memory region that is shared +between kernel and userspace. Within this region is: a control area +(mailbox); a lockless producer/consumer circular buffer for commands +to be passed up, and status returned; and an in/out data buffer area. + +TCMU uses the pre-existing UIO subsystem. UIO allows device driver +development in userspace, and this is conceptually very close to the +TCMU use case, except instead of a physical device, TCMU implements a +memory-mapped layout designed for SCSI commands. Using UIO also +benefits TCMU by handling device introspection (e.g. a way for +userspace to determine how large the shared region is) and signaling +mechanisms in both directions. + +There are no embedded pointers in the memory region. Everything is +expressed as an offset from the region's starting address. This allows +the ring to still work if the user process dies and is restarted with +the region mapped at a different virtual address. + +See target_core_user.h for the struct definitions. + +The Mailbox: + +The mailbox is always at the start of the shared memory region, and +contains a version, details about the starting offset and size of the +command ring, and head and tail pointers to be used by the kernel and +userspace (respectively) to put commands on the ring, and indicate +when the commands are completed. + +version - 1 (userspace should abort if otherwise) +flags - none yet defined. +cmdr_off - The offset of the start of the command ring from the start +of the memory region, to account for the mailbox size. +cmdr_size - The size of the command ring. This does *not* need to be a +power of two. +cmd_head - Modified by the kernel to indicate when a command has been +placed on the ring. +cmd_tail - Modified by userspace to indicate when it has completed +processing of a command. + +The Command Ring: + +Commands are placed on the ring by the kernel incrementing +mailbox.cmd_head by the size of the command, modulo cmdr_size, and +then signaling userspace via uio_event_notify(). Once the command is +completed, userspace updates mailbox.cmd_tail in the same way and +signals the kernel via a 4-byte write(). When cmd_head equals +cmd_tail, the ring is empty -- no commands are currently waiting to be +processed by userspace. + +TCMU commands start with a common header containing "len_op", a 32-bit +value that stores the length, as well as the opcode in the lowest +unused bits. Currently only two opcodes are defined, TCMU_OP_PAD and +TCMU_OP_CMD. When userspace encounters a command with PAD opcode, it +should skip ahead by the bytes in "length". (The kernel inserts PAD +entries to ensure each CMD entry fits contigously into the circular +buffer.) + +When userspace handles a CMD, it finds the SCSI CDB (Command Data +Block) via tcmu_cmd_entry.req.cdb_off. This is an offset from the +start of the overall shared memory region, not the entry. The data +in/out buffers are accessible via tht req.iov[] array. Note that +each iov.iov_base is also an offset from the start of the region. + +TCMU currently does not support BIDI operations. + +When completing a command, userspace sets rsp.scsi_status, and +rsp.sense_buffer if necessary. Userspace then increments +mailbox.cmd_tail by entry.hdr.length (mod cmdr_size) and signals the +kernel via the UIO method, a 4-byte write to the file descriptor. + +The Data Area: + +This is shared-memory space after the command ring. The organization +of this area is not defined in the TCMU interface, and userspace +should access only the parts referenced by pending iovs. + + +Device Discovery: + +Other devices may be using UIO besides TCMU. Unrelated user processes +may also be handling different sets of TCMU devices. TCMU userspace +processes must find their devices by scanning sysfs +class/uio/uio*/name. For TCMU devices, these names will be of the +format: + +tcm-user//// + +where "tcm-user" is common for all TCMU-backed UIO devices. +and allow userspace to find the device's path in the +kernel target's configfs tree. Assuming the usual mount point, it is +found at: + +/sys/kernel/config/target/core/user_/ + +This location contains attributes such as "hw_block_size", that +userspace needs to know for correct operation. + + will be a userspace-process-unique string to identify the +TCMU device as expecting to be backed by a certain handler, and +will be an additional handler-specific string for the user process to +configure the device, if needed. The name cannot contain ':', due to +LIO limitations. + +For all devices so discovered, the user handler opens /dev/uioX and +calls mmap(): + +mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0) + +where size must be equal to the value read from +/sys/class/uio/uioX/maps/map0/size. + + +Device Events: + +If a new device is added or removed, a notification will be broadcast +over netlink, using a generic netlink family name of "TCM-USER" and a +multicast group named "config". This will include the UIO name as +described in the previous section, as well as the UIO minor +number. This should allow userspace to identify both the UIO device and +the LIO device, so that after determining the device is supported +(based on subtype) it can take the appropriate action. + + +Other contingencies: + +Userspace handler process never attaches: + +- TCMU will post commands, and then abort them after a timeout period + (30 seconds.) + +Userspace handler process is killed: + +- It is still possible to restart and re-connect to TCMU + devices. Command ring is preserved. However, after the timeout period, + the kernel will abort pending tasks. + +Userspace handler process hangs: + +- The kernel will abort pending tasks after a timeout period. + +Userspace handler process is malicious: + +- The process can trivially break the handling of devices it controls, + but should not be able to access kernel memory outside its shared + memory areas. + + +Writing a user pass-through handler (with example code) +------------------------------------------------------- + +A user process handing a TCMU device must support the following: + +a) Discovering and configuring TCMU uio devices +b) Waiting for events on the device(s) +c) Managing the command ring: Parsing operations and commands, + performing work as needed, setting response fields (scsi_status and + possibly sense_buffer), updating cmd_tail, and notifying the kernel + that work has been finished + +First, consider instead writing a plugin for tcmu-runner. tcmu-runner +implements all of this, and provides a higher-level API for plugin +authors. + +TCMU is designed so that multiple unrelated processes can manage TCMU +devices separately. All handlers should make sure to only open their +devices, based opon a known subtype string. + +a) Discovering and configuring TCMU UIO devices: + +(error checking omitted for brevity) + +int fd, dev_fd; +char buf[256]; +unsigned long long map_len; +void *map; + +fd = open("/sys/class/uio/uio0/name", O_RDONLY); +ret = read(fd, buf, sizeof(buf)); +close(fd); +buf[ret-1] = '\0'; /* null-terminate and chop off the \n */ + +/* we only want uio devices whose name is a format we expect */ +if (strncmp(buf, "tcm-user", 8)) + exit(-1); + +/* Further checking for subtype also needed here */ + +fd = open(/sys/class/uio/%s/maps/map0/size, O_RDONLY); +ret = read(fd, buf, sizeof(buf)); +close(fd); +str_buf[ret-1] = '\0'; /* null-terminate and chop off the \n */ + +map_len = strtoull(buf, NULL, 0); + +dev_fd = open("/dev/uio0", O_RDWR); +map = mmap(NULL, map_len, PROT_READ|PROT_WRITE, MAP_SHARED, dev_fd, 0); + + +b) Waiting for events on the device(s) + +while (1) { + char buf[4]; + + int ret = read(dev_fd, buf, 4); /* will block */ + + handle_device_events(dev_fd, map); +} + + +c) Managing the command ring + +#include + +int handle_device_events(int fd, void *map) +{ + struct tcmu_mailbox *mb = map; + struct tcmu_cmd_entry *ent = (void *) mb + mb->cmdr_off + mb->cmd_tail; + int did_some_work = 0; + + /* Process events from cmd ring until we catch up with cmd_head */ + while (ent != (void *)mb + mb->cmdr_off + mb->cmd_head) { + + if (tcmu_hdr_get_op(&ent->hdr) == TCMU_OP_CMD) { + uint8_t *cdb = (void *)mb + ent->req.cdb_off; + bool success = true; + + /* Handle command here. */ + printf("SCSI opcode: 0x%x\n", cdb[0]); + + /* Set response fields */ + if (success) + ent->rsp.scsi_status = SCSI_NO_SENSE; + else { + /* Also fill in rsp->sense_buffer here */ + ent->rsp.scsi_status = SCSI_CHECK_CONDITION; + } + } + else { + /* Do nothing for PAD entries */ + } + + /* update cmd_tail */ + mb->cmd_tail = (mb->cmd_tail + tcmu_hdr_get_len(&ent->hdr)) % mb->cmdr_size; + ent = (void *) mb + mb->cmdr_off + mb->cmd_tail; + did_some_work = 1; + } + + /* Notify the kernel that work has been finished */ + if (did_some_work) { + uint32_t buf = 0; + + write(fd, &buf, 4); + } + + return 0; +} + + +Command filtering and pass_level +-------------------------------- + +TCMU supports a "pass_level" option with valid values of 0 or 1. When +the value is 0 (the default), nearly all SCSI commands received for +the device are passed through to the handler. This allows maximum +flexibility but increases the amount of code required by the handler, +to support all mandatory SCSI commands. If pass_level is set to 1, +then only IO-related commands are presented, and the rest are handled +by LIO's in-kernel command emulation. The commands presented at level +1 include all versions of: + +READ +WRITE +WRITE_VERIFY +XDWRITEREAD +WRITE_SAME +COMPARE_AND_WRITE +SYNCHRONIZE_CACHE +UNMAP + + +A final note +------------ + +Please be careful to return codes as defined by the SCSI +specifications. These are different than some values defined in the +scsi/scsi.h include file. For example, CHECK CONDITION's status code +is 2, not 1. diff --git a/Documentation/vDSO/Makefile b/Documentation/vDSO/Makefile index 2b99e57207c1..ee075c3d2124 100644 --- a/Documentation/vDSO/Makefile +++ b/Documentation/vDSO/Makefile @@ -10,3 +10,6 @@ always := $(hostprogs-y) HOSTCFLAGS := -I$(objtree)/usr/include -std=gnu99 HOSTCFLAGS_vdso_standalone_test_x86.o := -fno-asynchronous-unwind-tables -fno-stack-protector HOSTLOADLIBES_vdso_standalone_test_x86 := -nostdlib +ifeq ($(CONFIG_X86_32),y) +HOSTLOADLIBES_vdso_standalone_test_x86 += -lgcc_s +endif diff --git a/Documentation/vDSO/vdso_standalone_test_x86.c b/Documentation/vDSO/vdso_standalone_test_x86.c index d46240265c50..93b0ebf8cc38 100644 --- a/Documentation/vDSO/vdso_standalone_test_x86.c +++ b/Documentation/vDSO/vdso_standalone_test_x86.c @@ -63,7 +63,7 @@ static inline void linux_exit(int code) x86_syscall3(__NR_exit, code, 0, 0); } -void to_base10(char *lastdig, uint64_t n) +void to_base10(char *lastdig, time_t n) { while (n) { *lastdig = (n % 10) + '0'; diff --git a/Documentation/video4linux/vivid.txt b/Documentation/video4linux/vivid.txt index eeb11a28e4fc..e5a940e3d304 100644 --- a/Documentation/video4linux/vivid.txt +++ b/Documentation/video4linux/vivid.txt @@ -221,12 +221,11 @@ ccs_out_mode: specify the allowed video output crop/compose/scaling combination key, not quality. multiplanar: select whether each device instance supports multi-planar formats, - and thus the V4L2 multi-planar API. By default the first device instance - is single-planar, the second multi-planar, and it keeps alternating. + and thus the V4L2 multi-planar API. By default device instances are + single-planar. This module option can override that for each instance. Values are: - 0: use alternating single and multi-planar devices. 1: this is a single-planar instance. 2: this is a multi-planar instance. @@ -975,9 +974,8 @@ is set, then the alpha component is only used for the color red and set to 0 otherwise. The driver has to be configured to support the multiplanar formats. By default -the first driver instance is single-planar, the second is multi-planar, and it -keeps alternating. This can be changed by setting the multiplanar module option, -see section 1 for more details on that option. +the driver instances are single-planar. This can be changed by setting the +multiplanar module option, see section 1 for more details on that option. If the driver instance is using the multiplanar formats/API, then the first single planar format (YUYV) and the multiplanar NV16M and NV61M formats the @@ -1021,7 +1019,7 @@ the output overlay for the video output, turn on video looping and capture to see the blended framebuffer overlay that's being written to by the second instance. This setup would require the following commands: - $ sudo modprobe vivid n_devs=2 node_types=0x10101,0x1 multiplanar=1,1 + $ sudo modprobe vivid n_devs=2 node_types=0x10101,0x1 $ v4l2-ctl -d1 --find-fb /dev/fb1 is the framebuffer associated with base address 0x12800000 $ sudo v4l2-ctl -d2 --set-fbuf fb=1 diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt index bdd4bb97fff7..b64e0af9cc56 100644 --- a/Documentation/vm/hugetlbpage.txt +++ b/Documentation/vm/hugetlbpage.txt @@ -274,7 +274,7 @@ This command mounts a (pseudo) filesystem of type hugetlbfs on the directory /mnt/huge. Any files created on /mnt/huge uses huge pages. The uid and gid options sets the owner and group of the root of the file system. By default the uid and gid of the current process are taken. The mode option sets the -mode of root of file system to value & 0777. This value is given in octal. +mode of root of file system to value & 01777. This value is given in octal. By default the value 0755 is picked. The size option sets the maximum value of memory (huge pages) allowed for that filesystem (/mnt/huge). The size is rounded down to HPAGE_SIZE. The option nr_inodes sets the maximum number of diff --git a/MAINTAINERS b/MAINTAINERS index a20df9bf8ab0..c444907ccd69 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1543,6 +1543,7 @@ F: arch/arm/mach-pxa/include/mach/z2.h ARM/ZYNQ ARCHITECTURE M: Michal Simek +R: Sören Brinkmann L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://wiki.xilinx.com T: git git://git.xilinx.com/linux-xlnx.git @@ -1749,6 +1750,13 @@ M: Nicolas Ferre S: Supported F: drivers/spi/spi-atmel.* +ATMEL SSC DRIVER +M: Bo Shen +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Supported +F: drivers/misc/atmel-ssc.c +F: include/linux/atmel-ssc.h + ATMEL Timer Counter (TC) AND CLOCKSOURCE DRIVERS M: Nicolas Ferre L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -2064,8 +2072,9 @@ F: drivers/clocksource/bcm_kona_timer.c BROADCOM BCM2835 ARM ARCHITECTURE M: Stephen Warren +M: Lee Jones L: linux-rpi-kernel@lists.infradead.org (moderated for non-subscribers) -T: git git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/rpi/linux-rpi.git S: Maintained N: bcm2835 @@ -2735,6 +2744,13 @@ W: http://www.chelsio.com S: Supported F: drivers/net/ethernet/chelsio/cxgb3/ +CXGB3 ISCSI DRIVER (CXGB3I) +M: Karen Xie +L: linux-scsi@vger.kernel.org +W: http://www.chelsio.com +S: Supported +F: drivers/scsi/cxgbi/cxgb3i + CXGB3 IWARP RNIC DRIVER (IW_CXGB3) M: Steve Wise L: linux-rdma@vger.kernel.org @@ -2749,6 +2765,13 @@ W: http://www.chelsio.com S: Supported F: drivers/net/ethernet/chelsio/cxgb4/ +CXGB4 ISCSI DRIVER (CXGB4I) +M: Karen Xie +L: linux-scsi@vger.kernel.org +W: http://www.chelsio.com +S: Supported +F: drivers/scsi/cxgbi/cxgb4i + CXGB4 IWARP RNIC DRIVER (IW_CXGB4) M: Steve Wise L: linux-rdma@vger.kernel.org @@ -4305,8 +4328,10 @@ F: Documentation/blockdev/cpqarray.txt F: drivers/block/cpqarray.* HEWLETT-PACKARD SMART ARRAY RAID DRIVER (hpsa) -M: "Stephen M. Cameron" +M: Don Brace L: iss_storagedev@hp.com +L: storagedev@pmcs.com +L: linux-scsi@vger.kernel.org S: Supported F: Documentation/scsi/hpsa.txt F: drivers/scsi/hpsa*.[ch] @@ -4314,8 +4339,10 @@ F: include/linux/cciss*.h F: include/uapi/linux/cciss*.h HEWLETT-PACKARD SMART CISS RAID DRIVER (cciss) -M: Mike Miller +M: Don Brace L: iss_storagedev@hp.com +L: storagedev@pmcs.com +L: linux-scsi@vger.kernel.org S: Supported F: Documentation/blockdev/cciss.txt F: drivers/block/cciss* @@ -4601,7 +4628,7 @@ S: Supported F: drivers/crypto/nx/ IBM Power 842 compression accelerator -M: Nathan Fontenot +M: Dan Streetman S: Supported F: drivers/crypto/nx/nx-842.c F: include/linux/nx842.h @@ -4703,6 +4730,7 @@ L: linux-iio@vger.kernel.org S: Maintained F: drivers/iio/ F: drivers/staging/iio/ +F: include/linux/iio/ IKANOS/ADI EAGLE ADSL USB DRIVER M: Matthieu Castet @@ -5834,6 +5862,14 @@ S: Maintained F: drivers/net/macvlan.c F: include/linux/if_macvlan.h +MAILBOX API +M: Jassi Brar +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/mailbox/ +F: include/linux/mailbox_client.h +F: include/linux/mailbox_controller.h + MAN-PAGES: MANUAL PAGES FOR LINUX -- Sections 2, 3, 4, 5, and 7 M: Michael Kerrisk W: http://www.kernel.org/doc/man-pages @@ -6575,6 +6611,23 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git S: Maintained F: arch/arm/*omap*/ F: drivers/i2c/busses/i2c-omap.c +F: drivers/irqchip/irq-omap-intc.c +F: drivers/mfd/*omap*.c +F: drivers/mfd/menelaus.c +F: drivers/mfd/palmas.c +F: drivers/mfd/tps65217.c +F: drivers/mfd/tps65218.c +F: drivers/mfd/tps65910.c +F: drivers/mfd/twl-core.[ch] +F: drivers/mfd/twl4030*.c +F: drivers/mfd/twl6030*.c +F: drivers/mfd/twl6040*.c +F: drivers/regulator/palmas-regulator*.c +F: drivers/regulator/pbias-regulator.c +F: drivers/regulator/tps65217-regulator.c +F: drivers/regulator/tps65218-regulator.c +F: drivers/regulator/tps65910-regulator.c +F: drivers/regulator/twl-regulator.c F: include/linux/i2c-omap.h OMAP DEVICE TREE SUPPORT @@ -6585,6 +6638,9 @@ L: devicetree@vger.kernel.org S: Maintained F: arch/arm/boot/dts/*omap* F: arch/arm/boot/dts/*am3* +F: arch/arm/boot/dts/*am4* +F: arch/arm/boot/dts/*am5* +F: arch/arm/boot/dts/*dra7* OMAP CLOCK FRAMEWORK SUPPORT M: Paul Walmsley @@ -6822,7 +6878,7 @@ S: Orphan F: drivers/net/wireless/orinoco/ OSD LIBRARY and FILESYSTEM -M: Boaz Harrosh +M: Boaz Harrosh M: Benny Halevy L: osd-dev@open-osd.org W: http://open-osd.org @@ -6832,6 +6888,13 @@ F: drivers/scsi/osd/ F: include/scsi/osd_* F: fs/exofs/ +OVERLAYFS FILESYSTEM +M: Miklos Szeredi +L: linux-fsdevel@vger.kernel.org +S: Supported +F: fs/overlayfs/* +F: Documentation/filesystems/overlayfs.txt + P54 WIRELESS DRIVER M: Christian Lamparter L: linux-wireless@vger.kernel.org @@ -7153,6 +7216,7 @@ F: drivers/crypto/picoxcell* PIN CONTROL SUBSYSTEM M: Linus Walleij +L: linux-gpio@vger.kernel.org S: Maintained F: drivers/pinctrl/ F: include/linux/pinctrl/ @@ -8457,7 +8521,6 @@ F: arch/arm/mach-s3c24xx/bast-irq.c TI DAVINCI MACHINE SUPPORT M: Sekhar Nori M: Kevin Hilman -L: davinci-linux-open-source@linux.davincidsp.com (moderated for non-subscribers) T: git git://gitorious.org/linux-davinci/linux-davinci.git Q: http://patchwork.kernel.org/project/linux-davinci/list/ S: Supported @@ -8467,7 +8530,6 @@ F: drivers/i2c/busses/i2c-davinci.c TI DAVINCI SERIES MEDIA DRIVER M: Lad, Prabhakar L: linux-media@vger.kernel.org -L: davinci-linux-open-source@linux.davincidsp.com (moderated for non-subscribers) W: http://linuxtv.org/ Q: http://patchwork.linuxtv.org/project/linux-media/list/ T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git @@ -9584,7 +9646,6 @@ F: drivers/staging/unisys/ UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER M: Vinayak Holikatti -M: Santosh Y L: linux-scsi@vger.kernel.org S: Supported F: Documentation/scsi/ufs.txt @@ -9678,11 +9739,6 @@ S: Maintained F: Documentation/hid/hiddev.txt F: drivers/hid/usbhid/ -USB/IP DRIVERS -L: linux-usb@vger.kernel.org -S: Orphan -F: drivers/staging/usbip/ - USB ISP116X DRIVER M: Olav Kongas L: linux-usb@vger.kernel.org diff --git a/Makefile b/Makefile index 05d67af376c5..00d618bbe8e7 100644 --- a/Makefile +++ b/Makefile @@ -1,8 +1,8 @@ VERSION = 3 PATCHLEVEL = 18 SUBLEVEL = 0 -EXTRAVERSION = -rc1 -NAME = Shuffling Zombie Juror +EXTRAVERSION = -rc5 +NAME = Diseased Newt # *DOCUMENTATION* # To see a list of typical targets execute "make help" @@ -297,7 +297,7 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ HOSTCC = gcc HOSTCXX = g++ -HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer +HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 HOSTCXXFLAGS = -O2 ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) @@ -401,7 +401,8 @@ KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -fno-common \ -Werror-implicit-function-declaration \ - -Wno-format-security + -Wno-format-security \ + -std=gnu89 KBUILD_AFLAGS_KERNEL := KBUILD_CFLAGS_KERNEL := diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 9596b0ab108d..fe44b2494609 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -9,6 +9,7 @@ config ARC def_bool y select BUILDTIME_EXTABLE_SORT + select COMMON_CLK select CLONE_BACKWARDS # ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev select DEVTMPFS if !INITRAMFS_SOURCE="" @@ -73,9 +74,6 @@ config STACKTRACE_SUPPORT config HAVE_LATENCYTOP_SUPPORT def_bool y -config NO_DMA - def_bool n - source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -354,7 +352,7 @@ config ARC_CURR_IN_REG kernel mode. This saves memory access for each such access -config ARC_MISALIGN_ACCESS +config ARC_EMUL_UNALIGNED bool "Emulate unaligned memory access (userspace only)" select SYSCTL_ARCH_UNALIGN_NO_WARN select SYSCTL_ARCH_UNALIGN_ALLOW diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 8c0b1aa56f7e..10bc3d4e8a44 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -25,7 +25,6 @@ ifdef CONFIG_ARC_CURR_IN_REG LINUXINCLUDE += -include ${src}/arch/arc/include/asm/current.h endif -upto_gcc42 := $(call cc-ifversion, -le, 0402, y) upto_gcc44 := $(call cc-ifversion, -le, 0404, y) atleast_gcc44 := $(call cc-ifversion, -ge, 0404, y) atleast_gcc48 := $(call cc-ifversion, -ge, 0408, y) @@ -60,25 +59,11 @@ ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB # --build-id w/o "-marclinux". Default arc-elf32-ld is OK ldflags-$(upto_gcc44) += -marclinux -ARC_LIBGCC := -mA7 -cflags-$(CONFIG_ARC_HAS_HW_MPY) += -multcost=16 - ifndef CONFIG_ARC_HAS_HW_MPY cflags-y += -mno-mpy - -# newlib for ARC700 assumes MPY to be always present, which is generally true -# However, if someone really doesn't want MPY, we need to use the 600 ver -# which coupled with -mno-mpy will use mpy emulation -# With gcc 4.4.7, -mno-mpy is enough to make any other related adjustments, -# e.g. increased cost of MPY. With gcc 4.2.1 this had to be explicitly hinted - - ifeq ($(upto_gcc42),y) - ARC_LIBGCC := -marc600 - cflags-y += -multcost=30 - endif endif -LIBGCC := $(shell $(CC) $(ARC_LIBGCC) $(cflags-y) --print-libgcc-file-name) +LIBGCC := $(shell $(CC) $(cflags-y) --print-libgcc-file-name) # Modules with short calls might break for calls into builtin-kernel KBUILD_CFLAGS_MODULE += -mlong-calls diff --git a/arch/arc/boot/dts/angel4.dts b/arch/arc/boot/dts/angel4.dts index 6b57475967a6..757e0c62c4f9 100644 --- a/arch/arc/boot/dts/angel4.dts +++ b/arch/arc/boot/dts/angel4.dts @@ -24,11 +24,6 @@ aliases { serial0 = &arcuart0; }; - memory { - device_type = "memory"; - reg = <0x00000000 0x10000000>; /* 256M */ - }; - fpga { compatible = "simple-bus"; #address-cells = <1>; diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts index 4f31b2eb5cdf..cfaedd9c61c9 100644 --- a/arch/arc/boot/dts/nsimosci.dts +++ b/arch/arc/boot/dts/nsimosci.dts @@ -20,18 +20,13 @@ chosen { /* this is for console on PGU */ /* bootargs = "console=tty0 consoleblank=0"; */ /* this is for console on serial */ - bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=ttyS0,115200n8 consoleblank=0 debug"; + bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblank=0 debug"; }; aliases { serial0 = &uart0; }; - memory { - device_type = "memory"; - reg = <0x80000000 0x10000000>; /* 256M */ - }; - fpga { compatible = "simple-bus"; #address-cells = <1>; diff --git a/arch/arc/configs/fpga_defconfig b/arch/arc/configs/fpga_defconfig index e283aa586934..ef4d3bc7b6c0 100644 --- a/arch/arc/configs/fpga_defconfig +++ b/arch/arc/configs/fpga_defconfig @@ -23,7 +23,6 @@ CONFIG_MODULES=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_ARC_PLAT_FPGA_LEGACY=y -CONFIG_ARC_BOARD_ML509=y # CONFIG_ARC_HAS_RTSC is not set CONFIG_ARC_BUILTIN_DTB_NAME="angel4" CONFIG_PREEMPT=y diff --git a/arch/arc/configs/fpga_noramfs_defconfig b/arch/arc/configs/fpga_noramfs_defconfig index 5276a52f6a2f..49c93011ab96 100644 --- a/arch/arc/configs/fpga_noramfs_defconfig +++ b/arch/arc/configs/fpga_noramfs_defconfig @@ -20,7 +20,6 @@ CONFIG_MODULES=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_ARC_PLAT_FPGA_LEGACY=y -CONFIG_ARC_BOARD_ML509=y # CONFIG_ARC_HAS_RTSC is not set CONFIG_ARC_BUILTIN_DTB_NAME="angel4" CONFIG_PREEMPT=y diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig index c01ba35a4eff..278dacf2a3f9 100644 --- a/arch/arc/configs/nsimosci_defconfig +++ b/arch/arc/configs/nsimosci_defconfig @@ -21,7 +21,6 @@ CONFIG_MODULES=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_ARC_PLAT_FPGA_LEGACY=y -CONFIG_ARC_BOARD_ML509=y # CONFIG_ARC_IDE is not set # CONFIG_ARCTANGENT_EMAC is not set # CONFIG_ARC_HAS_RTSC is not set diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 372466b371bf..be33db8a2ee3 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -9,19 +9,16 @@ #ifndef _ASM_ARC_ARCREGS_H #define _ASM_ARC_ARCREGS_H -#ifdef __KERNEL__ - /* Build Configuration Registers */ #define ARC_REG_DCCMBASE_BCR 0x61 /* DCCM Base Addr */ #define ARC_REG_CRC_BCR 0x62 -#define ARC_REG_DVFB_BCR 0x64 -#define ARC_REG_EXTARITH_BCR 0x65 #define ARC_REG_VECBASE_BCR 0x68 #define ARC_REG_PERIBASE_BCR 0x69 -#define ARC_REG_FP_BCR 0x6B /* Single-Precision FPU */ -#define ARC_REG_DPFP_BCR 0x6C /* Dbl Precision FPU */ +#define ARC_REG_FP_BCR 0x6B /* ARCompact: Single-Precision FPU */ +#define ARC_REG_DPFP_BCR 0x6C /* ARCompact: Dbl Precision FPU */ #define ARC_REG_DCCM_BCR 0x74 /* DCCM Present + SZ */ #define ARC_REG_TIMERS_BCR 0x75 +#define ARC_REG_AP_BCR 0x76 #define ARC_REG_ICCM_BCR 0x78 #define ARC_REG_XY_MEM_BCR 0x79 #define ARC_REG_MAC_BCR 0x7a @@ -31,6 +28,9 @@ #define ARC_REG_MIXMAX_BCR 0x7e #define ARC_REG_BARREL_BCR 0x7f #define ARC_REG_D_UNCACH_BCR 0x6A +#define ARC_REG_BPU_BCR 0xc0 +#define ARC_REG_ISA_CFG_BCR 0xc1 +#define ARC_REG_SMART_BCR 0xFF /* status32 Bits Positions */ #define STATUS_AE_BIT 5 /* Exception active */ @@ -191,14 +191,6 @@ #define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10)) #define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10) -#ifdef CONFIG_ARC_FPU_SAVE_RESTORE -/* These DPFP regs need to be saved/restored across ctx-sw */ -struct arc_fpu { - struct { - unsigned int l, h; - } aux_dpfp[2]; -}; -#endif /* *************************************************************** @@ -212,27 +204,19 @@ struct bcr_identity { #endif }; -#define EXTN_SWAP_VALID 0x1 -#define EXTN_NORM_VALID 0x2 -#define EXTN_MINMAX_VALID 0x2 -#define EXTN_BARREL_VALID 0x2 - -struct bcr_extn { +struct bcr_isa { #ifdef CONFIG_CPU_BIG_ENDIAN - unsigned int pad:20, crc:1, ext_arith:2, mul:2, barrel:2, minmax:2, - norm:2, swap:1; + unsigned int pad1:23, atomic1:1, ver:8; #else - unsigned int swap:1, norm:2, minmax:2, barrel:2, mul:2, ext_arith:2, - crc:1, pad:20; + unsigned int ver:8, atomic1:1, pad1:23; #endif }; -/* DSP Options Ref Manual */ -struct bcr_extn_mac_mul { +struct bcr_mpy { #ifdef CONFIG_CPU_BIG_ENDIAN - unsigned int pad:16, type:8, ver:8; + unsigned int pad:8, x1616:8, dsp:4, cycles:2, type:2, ver:8; #else - unsigned int ver:8, type:8, pad:16; + unsigned int ver:8, type:2, cycles:2, dsp:4, x1616:8, pad:8; #endif }; @@ -251,6 +235,7 @@ struct bcr_perip { unsigned int pad:8, sz:8, pad2:8, start:8; #endif }; + struct bcr_iccm { #ifdef CONFIG_CPU_BIG_ENDIAN unsigned int base:16, pad:5, sz:3, ver:8; @@ -277,8 +262,8 @@ struct bcr_dccm { #endif }; -/* Both SP and DP FPU BCRs have same format */ -struct bcr_fp { +/* ARCompact: Both SP and DP FPU BCRs have same format */ +struct bcr_fp_arcompact { #ifdef CONFIG_CPU_BIG_ENDIAN unsigned int fast:1, ver:8; #else @@ -286,6 +271,30 @@ struct bcr_fp { #endif }; +struct bcr_timer { +#ifdef CONFIG_CPU_BIG_ENDIAN + unsigned int pad2:15, rtsc:1, pad1:6, t1:1, t0:1, ver:8; +#else + unsigned int ver:8, t0:1, t1:1, pad1:6, rtsc:1, pad2:15; +#endif +}; + +struct bcr_bpu_arcompact { +#ifdef CONFIG_CPU_BIG_ENDIAN + unsigned int pad2:19, fam:1, pad:2, ent:2, ver:8; +#else + unsigned int ver:8, ent:2, pad:2, fam:1, pad2:19; +#endif +}; + +struct bcr_generic { +#ifdef CONFIG_CPU_BIG_ENDIAN + unsigned int pad:24, ver:8; +#else + unsigned int ver:8, pad:24; +#endif +}; + /* ******************************************************************* * Generic structures to hold build configuration used at runtime @@ -299,6 +308,10 @@ struct cpuinfo_arc_cache { unsigned int sz_k:8, line_len:8, assoc:4, ver:4, alias:1, vipt:1, pad:6; }; +struct cpuinfo_arc_bpu { + unsigned int ver, full, num_cache, num_pred; +}; + struct cpuinfo_arc_ccm { unsigned int base_addr, sz; }; @@ -306,21 +319,25 @@ struct cpuinfo_arc_ccm { struct cpuinfo_arc { struct cpuinfo_arc_cache icache, dcache; struct cpuinfo_arc_mmu mmu; + struct cpuinfo_arc_bpu bpu; struct bcr_identity core; - unsigned int timers; + struct bcr_isa isa; + struct bcr_timer timers; unsigned int vec_base; unsigned int uncached_base; struct cpuinfo_arc_ccm iccm, dccm; - struct bcr_extn extn; + struct { + unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, pad1:3, + fpu_sp:1, fpu_dp:1, pad2:6, + debug:1, ap:1, smart:1, rtt:1, pad3:4, + pad4:8; + } extn; + struct bcr_mpy extn_mpy; struct bcr_extn_xymem extn_xymem; - struct bcr_extn_mac_mul extn_mac_mul; - struct bcr_fp fp, dpfp; }; extern struct cpuinfo_arc cpuinfo_arc700[]; #endif /* __ASEMBLY__ */ -#endif /* __KERNEL__ */ - #endif /* _ASM_ARC_ARCREGS_H */ diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index 173f303a868f..067551b6920a 100644 --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -9,8 +9,6 @@ #ifndef _ASM_ARC_ATOMIC_H #define _ASM_ARC_ATOMIC_H -#ifdef __KERNEL__ - #ifndef __ASSEMBLY__ #include @@ -170,5 +168,3 @@ ATOMIC_OP(and, &=, and) #endif #endif - -#endif diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index ebc0cf3164dc..1a5bf07eefe2 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -13,8 +13,6 @@ #error only can be included directly #endif -#ifdef __KERNEL__ - #ifndef __ASSEMBLY__ #include @@ -508,6 +506,4 @@ static inline __attribute__ ((const)) int __ffs(unsigned long word) #endif /* !__ASSEMBLY__ */ -#endif /* __KERNEL__ */ - #endif diff --git a/arch/arc/include/asm/bug.h b/arch/arc/include/asm/bug.h index 5b18e94c6678..ea022d47896c 100644 --- a/arch/arc/include/asm/bug.h +++ b/arch/arc/include/asm/bug.h @@ -21,10 +21,9 @@ void show_kernel_fault_diag(const char *str, struct pt_regs *regs, unsigned long address); void die(const char *str, struct pt_regs *regs, unsigned long address); -#define BUG() do { \ - dump_stack(); \ - pr_warn("Kernel BUG in %s: %s: %d!\n", \ - __FILE__, __func__, __LINE__); \ +#define BUG() do { \ + pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \ + dump_stack(); \ } while (0) #define HAVE_ARCH_BUG diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index b3c750979aa1..7861255da32d 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h @@ -20,7 +20,7 @@ #define CACHE_LINE_MASK (~(L1_CACHE_BYTES - 1)) /* - * ARC700 doesn't cache any access in top 256M. + * ARC700 doesn't cache any access in top 1G (0xc000_0000 to 0xFFFF_FFFF) * Ideal for wiring memory mapped peripherals as we don't need to do * explicit uncached accesses (LD.di/ST.di) hence more portable drivers */ diff --git a/arch/arc/include/asm/current.h b/arch/arc/include/asm/current.h index 87b918585c4a..c2453ee62801 100644 --- a/arch/arc/include/asm/current.h +++ b/arch/arc/include/asm/current.h @@ -12,8 +12,6 @@ #ifndef _ASM_ARC_CURRENT_H #define _ASM_ARC_CURRENT_H -#ifdef __KERNEL__ - #ifndef __ASSEMBLY__ #ifdef CONFIG_ARC_CURR_IN_REG @@ -27,6 +25,4 @@ register struct task_struct *curr_arc asm("r25"); #endif /* ! __ASSEMBLY__ */ -#endif /* __KERNEL__ */ - #endif /* _ASM_ARC_CURRENT_H */ diff --git a/arch/arc/include/asm/irqflags.h b/arch/arc/include/asm/irqflags.h index 587df8236e8b..742816f1b210 100644 --- a/arch/arc/include/asm/irqflags.h +++ b/arch/arc/include/asm/irqflags.h @@ -15,8 +15,6 @@ * -Conditionally disable interrupts (if they are not enabled, don't disable) */ -#ifdef __KERNEL__ - #include /* status32 Reg bits related to Interrupt Handling */ @@ -169,6 +167,4 @@ static inline int arch_irqs_disabled(void) #endif /* __ASSEMBLY__ */ -#endif /* KERNEL */ - #endif diff --git a/arch/arc/include/asm/kgdb.h b/arch/arc/include/asm/kgdb.h index b65fca7ffeb5..fea931634136 100644 --- a/arch/arc/include/asm/kgdb.h +++ b/arch/arc/include/asm/kgdb.h @@ -19,7 +19,7 @@ * register API yet */ #undef DBG_MAX_REG_NUM -#define GDB_MAX_REGS 39 +#define GDB_MAX_REGS 87 #define BREAK_INSTR_SIZE 2 #define CACHE_FLUSH_IS_SAFE 1 @@ -33,23 +33,27 @@ static inline void arch_kgdb_breakpoint(void) extern void kgdb_trap(struct pt_regs *regs); -enum arc700_linux_regnums { +/* This is the numbering of registers according to the GDB. See GDB's + * arc-tdep.h for details. + * + * Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */ +enum arc_linux_regnums { _R0 = 0, _R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13, _R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24, _R25, _R26, - _BTA = 27, - _LP_START = 28, - _LP_END = 29, - _LP_COUNT = 30, - _STATUS32 = 31, - _BLINK = 32, - _FP = 33, - __SP = 34, - _EFA = 35, - _RET = 36, - _ORIG_R8 = 37, - _STOP_PC = 38 + _FP = 27, + __SP = 28, + _R30 = 30, + _BLINK = 31, + _LP_COUNT = 60, + _STOP_PC = 64, + _RET = 64, + _LP_START = 65, + _LP_END = 66, + _STATUS32 = 67, + _ECR = 76, + _BTA = 82, }; #else diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h index 82588f3ba77f..210fe97464c3 100644 --- a/arch/arc/include/asm/processor.h +++ b/arch/arc/include/asm/processor.h @@ -14,12 +14,19 @@ #ifndef __ASM_ARC_PROCESSOR_H #define __ASM_ARC_PROCESSOR_H -#ifdef __KERNEL__ - #ifndef __ASSEMBLY__ #include +#ifdef CONFIG_ARC_FPU_SAVE_RESTORE +/* These DPFP regs need to be saved/restored across ctx-sw */ +struct arc_fpu { + struct { + unsigned int l, h; + } aux_dpfp[2]; +}; +#endif + /* Arch specific stuff which needs to be saved per task. * However these items are not so important so as to earn a place in * struct thread_info @@ -128,6 +135,4 @@ extern unsigned int get_wchan(struct task_struct *p); */ #define TASK_UNMAPPED_BASE (TASK_SIZE / 3) -#endif /* __KERNEL__ */ - #endif /* __ASM_ARC_PROCESSOR_H */ diff --git a/arch/arc/include/asm/setup.h b/arch/arc/include/asm/setup.h index e10f8cef56a8..6e3ef5ba4f74 100644 --- a/arch/arc/include/asm/setup.h +++ b/arch/arc/include/asm/setup.h @@ -29,7 +29,6 @@ struct cpuinfo_data { }; extern int root_mountflags, end_mem; -extern int running_on_hw; void setup_processor(void); void __init setup_arch_memory(void); diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h index 5d06eee43ea9..3845b9e94f69 100644 --- a/arch/arc/include/asm/smp.h +++ b/arch/arc/include/asm/smp.h @@ -59,7 +59,15 @@ struct plat_smp_ops { /* TBD: stop exporting it for direct population by platform */ extern struct plat_smp_ops plat_smp_ops; -#endif /* CONFIG_SMP */ +#else /* CONFIG_SMP */ + +static inline void smp_init_cpus(void) {} +static inline const char *arc_platform_smp_cpuinfo(void) +{ + return ""; +} + +#endif /* !CONFIG_SMP */ /* * ARC700 doesn't support atomic Read-Modify-Write ops. diff --git a/arch/arc/include/asm/string.h b/arch/arc/include/asm/string.h index 87676c8f1412..95822b550a18 100644 --- a/arch/arc/include/asm/string.h +++ b/arch/arc/include/asm/string.h @@ -17,8 +17,6 @@ #include -#ifdef __KERNEL__ - #define __HAVE_ARCH_MEMSET #define __HAVE_ARCH_MEMCPY #define __HAVE_ARCH_MEMCMP @@ -36,5 +34,4 @@ extern char *strcpy(char *dest, const char *src); extern int strcmp(const char *cs, const char *ct); extern __kernel_size_t strlen(const char *); -#endif /* __KERNEL__ */ #endif /* _ASM_ARC_STRING_H */ diff --git a/arch/arc/include/asm/syscalls.h b/arch/arc/include/asm/syscalls.h index dd785befe7fd..e56f9fcc5581 100644 --- a/arch/arc/include/asm/syscalls.h +++ b/arch/arc/include/asm/syscalls.h @@ -9,8 +9,6 @@ #ifndef _ASM_ARC_SYSCALLS_H #define _ASM_ARC_SYSCALLS_H 1 -#ifdef __KERNEL__ - #include #include #include @@ -22,6 +20,4 @@ int sys_arc_gettls(void); #include -#endif /* __KERNEL__ */ - #endif diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thread_info.h index 45be21672011..02bc5ec0fb2e 100644 --- a/arch/arc/include/asm/thread_info.h +++ b/arch/arc/include/asm/thread_info.h @@ -16,8 +16,6 @@ #ifndef _ASM_THREAD_INFO_H #define _ASM_THREAD_INFO_H -#ifdef __KERNEL__ - #include #ifdef CONFIG_16KSTACKS @@ -114,6 +112,4 @@ static inline __attribute_const__ struct thread_info *current_thread_info(void) * syscall, so all that reamins to be tested is _TIF_WORK_MASK */ -#endif /* __KERNEL__ */ - #endif /* _ASM_THREAD_INFO_H */ diff --git a/arch/arc/include/asm/unaligned.h b/arch/arc/include/asm/unaligned.h index 3e5f071bc00c..6da6b4edaeda 100644 --- a/arch/arc/include/asm/unaligned.h +++ b/arch/arc/include/asm/unaligned.h @@ -14,7 +14,7 @@ #include #include -#ifdef CONFIG_ARC_MISALIGN_ACCESS +#ifdef CONFIG_ARC_EMUL_UNALIGNED int misaligned_fixup(unsigned long address, struct pt_regs *regs, struct callee_regs *cregs); #else diff --git a/arch/arc/kernel/Makefile b/arch/arc/kernel/Makefile index 8004b4fa6461..113f2033da9f 100644 --- a/arch/arc/kernel/Makefile +++ b/arch/arc/kernel/Makefile @@ -16,7 +16,7 @@ obj-$(CONFIG_MODULES) += arcksyms.o module.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_ARC_DW2_UNWIND) += unwind.o obj-$(CONFIG_KPROBES) += kprobes.o -obj-$(CONFIG_ARC_MISALIGN_ACCESS) += unaligned.o +obj-$(CONFIG_ARC_EMUL_UNALIGNED) += unaligned.o obj-$(CONFIG_KGDB) += kgdb.o obj-$(CONFIG_ARC_METAWARE_HLINK) += arc_hostlink.o obj-$(CONFIG_PERF_EVENTS) += perf_event.o diff --git a/arch/arc/kernel/disasm.c b/arch/arc/kernel/disasm.c index b8a549c4f540..3b7cd4864ba2 100644 --- a/arch/arc/kernel/disasm.c +++ b/arch/arc/kernel/disasm.c @@ -15,7 +15,7 @@ #include #include -#if defined(CONFIG_KGDB) || defined(CONFIG_ARC_MISALIGN_ACCESS) || \ +#if defined(CONFIG_KGDB) || defined(CONFIG_ARC_EMUL_UNALIGNED) || \ defined(CONFIG_KPROBES) /* disasm_instr: Analyses instruction at addr, stores @@ -535,4 +535,4 @@ int __kprobes disasm_next_pc(unsigned long pc, struct pt_regs *regs, return instr.is_branch; } -#endif /* CONFIG_KGDB || CONFIG_ARC_MISALIGN_ACCESS || CONFIG_KPROBES */ +#endif /* CONFIG_KGDB || CONFIG_ARC_EMUL_UNALIGNED || CONFIG_KPROBES */ diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S index 4d2481bd8b98..b0e8666fdccc 100644 --- a/arch/arc/kernel/head.S +++ b/arch/arc/kernel/head.S @@ -91,16 +91,6 @@ stext: st r0, [@uboot_tag] st r2, [@uboot_arg] - ; Identify if running on ISS vs Silicon - ; IDENTITY Reg [ 3 2 1 0 ] - ; (chip-id) ^^^^^ ==> 0xffff for ISS - lr r0, [identity] - lsr r3, r0, 16 - cmp r3, 0xffff - mov.z r4, 0 - mov.nz r4, 1 - st r4, [@running_on_hw] - ; setup "current" tsk and optionally cache it in dedicated r25 mov r9, @init_task SET_CURR_TASK_ON_CPU r9, r0 ; r9 = tsk, r0 = scratch diff --git a/arch/arc/kernel/kgdb.c b/arch/arc/kernel/kgdb.c index a2ff5c5d1450..ecf6a7869375 100644 --- a/arch/arc/kernel/kgdb.c +++ b/arch/arc/kernel/kgdb.c @@ -158,11 +158,6 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, return -1; } -unsigned long kgdb_arch_pc(int exception, struct pt_regs *regs) -{ - return instruction_pointer(regs); -} - int kgdb_arch_init(void) { single_step_data.armed = 0; diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index b9a5685a990e..ae1c485cbc68 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -244,25 +244,23 @@ static int arc_pmu_device_probe(struct platform_device *pdev) pr_err("This core does not have performance counters!\n"); return -ENODEV; } + BUG_ON(pct_bcr.c > ARC_PMU_MAX_HWEVENTS); - arc_pmu = devm_kzalloc(&pdev->dev, sizeof(struct arc_pmu), - GFP_KERNEL); + READ_BCR(ARC_REG_CC_BUILD, cc_bcr); + if (!cc_bcr.v) { + pr_err("Performance counters exist, but no countable conditions?\n"); + return -ENODEV; + } + + arc_pmu = devm_kzalloc(&pdev->dev, sizeof(struct arc_pmu), GFP_KERNEL); if (!arc_pmu) return -ENOMEM; arc_pmu->n_counters = pct_bcr.c; - BUG_ON(arc_pmu->n_counters > ARC_PMU_MAX_HWEVENTS); - arc_pmu->counter_size = 32 + (pct_bcr.s << 4); - pr_info("ARC PMU found with %d counters of size %d bits\n", - arc_pmu->n_counters, arc_pmu->counter_size); - READ_BCR(ARC_REG_CC_BUILD, cc_bcr); - - if (!cc_bcr.v) - pr_err("Strange! Performance counters exist, but no countable conditions?\n"); - - pr_info("ARC PMU has %d countable conditions\n", cc_bcr.c); + pr_info("ARC perf\t: %d counters (%d bits), %d countable conditions\n", + arc_pmu->n_counters, arc_pmu->counter_size, cc_bcr.c); cc_name.str[8] = 0; for (i = 0; i < PERF_COUNT_HW_MAX; i++) diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index 119dddb752b2..252bf603db9c 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -13,7 +13,9 @@ #include #include #include +#include #include +#include #include #include #include @@ -24,11 +26,10 @@ #include #include #include +#include #define FIX_PTR(x) __asm__ __volatile__(";" : "+r"(x)) -int running_on_hw = 1; /* vs. on ISS */ - /* Part of U-boot ABI: see head.S */ int __initdata uboot_tag; char __initdata *uboot_arg; @@ -42,26 +43,26 @@ struct cpuinfo_arc cpuinfo_arc700[NR_CPUS]; static void read_arc_build_cfg_regs(void) { struct bcr_perip uncached_space; + struct bcr_generic bcr; struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; FIX_PTR(cpu); READ_BCR(AUX_IDENTITY, cpu->core); + READ_BCR(ARC_REG_ISA_CFG_BCR, cpu->isa); - cpu->timers = read_aux_reg(ARC_REG_TIMERS_BCR); + READ_BCR(ARC_REG_TIMERS_BCR, cpu->timers); cpu->vec_base = read_aux_reg(AUX_INTR_VEC_BASE); READ_BCR(ARC_REG_D_UNCACH_BCR, uncached_space); cpu->uncached_base = uncached_space.start << 24; - cpu->extn.mul = read_aux_reg(ARC_REG_MUL_BCR); - cpu->extn.swap = read_aux_reg(ARC_REG_SWAP_BCR); - cpu->extn.norm = read_aux_reg(ARC_REG_NORM_BCR); - cpu->extn.minmax = read_aux_reg(ARC_REG_MIXMAX_BCR); - cpu->extn.barrel = read_aux_reg(ARC_REG_BARREL_BCR); - READ_BCR(ARC_REG_MAC_BCR, cpu->extn_mac_mul); + READ_BCR(ARC_REG_MUL_BCR, cpu->extn_mpy); - cpu->extn.ext_arith = read_aux_reg(ARC_REG_EXTARITH_BCR); - cpu->extn.crc = read_aux_reg(ARC_REG_CRC_BCR); + cpu->extn.norm = read_aux_reg(ARC_REG_NORM_BCR) > 1 ? 1 : 0; /* 2,3 */ + cpu->extn.barrel = read_aux_reg(ARC_REG_BARREL_BCR) > 1 ? 1 : 0; /* 2,3 */ + cpu->extn.swap = read_aux_reg(ARC_REG_SWAP_BCR) ? 1 : 0; /* 1,3 */ + cpu->extn.crc = read_aux_reg(ARC_REG_CRC_BCR) ? 1 : 0; + cpu->extn.minmax = read_aux_reg(ARC_REG_MIXMAX_BCR) > 1 ? 1 : 0; /* 2 */ /* Note that we read the CCM BCRs independent of kernel config * This is to catch the cases where user doesn't know that @@ -95,43 +96,76 @@ static void read_arc_build_cfg_regs(void) read_decode_mmu_bcr(); read_decode_cache_bcr(); - READ_BCR(ARC_REG_FP_BCR, cpu->fp); - READ_BCR(ARC_REG_DPFP_BCR, cpu->dpfp); + { + struct bcr_fp_arcompact sp, dp; + struct bcr_bpu_arcompact bpu; + + READ_BCR(ARC_REG_FP_BCR, sp); + READ_BCR(ARC_REG_DPFP_BCR, dp); + cpu->extn.fpu_sp = sp.ver ? 1 : 0; + cpu->extn.fpu_dp = dp.ver ? 1 : 0; + + READ_BCR(ARC_REG_BPU_BCR, bpu); + cpu->bpu.ver = bpu.ver; + cpu->bpu.full = bpu.fam ? 1 : 0; + if (bpu.ent) { + cpu->bpu.num_cache = 256 << (bpu.ent - 1); + cpu->bpu.num_pred = 256 << (bpu.ent - 1); + } + } + + READ_BCR(ARC_REG_AP_BCR, bcr); + cpu->extn.ap = bcr.ver ? 1 : 0; + + READ_BCR(ARC_REG_SMART_BCR, bcr); + cpu->extn.smart = bcr.ver ? 1 : 0; + + cpu->extn.debug = cpu->extn.ap | cpu->extn.smart; } static const struct cpuinfo_data arc_cpu_tbl[] = { - { {0x10, "ARCTangent A5"}, 0x1F}, { {0x20, "ARC 600" }, 0x2F}, { {0x30, "ARC 700" }, 0x33}, { {0x34, "ARC 700 R4.10"}, 0x34}, + { {0x35, "ARC 700 R4.11"}, 0x35}, { {0x00, NULL } } }; +#define IS_AVAIL1(v, str) ((v) ? str : "") +#define IS_USED(cfg) (IS_ENABLED(cfg) ? "" : "(not used) ") +#define IS_AVAIL2(v, str, cfg) IS_AVAIL1(v, str), IS_AVAIL1(v, IS_USED(cfg)) + static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) { - int n = 0; struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; struct bcr_identity *core = &cpu->core; const struct cpuinfo_data *tbl; - int be = 0; -#ifdef CONFIG_CPU_BIG_ENDIAN - be = 1; -#endif + char *isa_nm; + int i, be, atomic; + int n = 0; + FIX_PTR(cpu); + { + isa_nm = "ARCompact"; + be = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN); + + atomic = cpu->isa.atomic1; + if (!cpu->isa.ver) /* ISA BCR absent, use Kconfig info */ + atomic = IS_ENABLED(CONFIG_ARC_HAS_LLSC); + } + n += scnprintf(buf + n, len - n, - "\nARC IDENTITY\t: Family [%#02x]" - " Cpu-id [%#02x] Chip-id [%#4x]\n", - core->family, core->cpu_id, - core->chip_id); + "\nIDENTITY\t: ARCVER [%#02x] ARCNUM [%#02x] CHIPID [%#4x]\n", + core->family, core->cpu_id, core->chip_id); for (tbl = &arc_cpu_tbl[0]; tbl->info.id != 0; tbl++) { if ((core->family >= tbl->info.id) && (core->family <= tbl->up_range)) { n += scnprintf(buf + n, len - n, - "processor\t: %s %s\n", - tbl->info.str, - be ? "[Big Endian]" : ""); + "processor [%d]\t: %s (%s ISA) %s\n", + cpu_id, tbl->info.str, isa_nm, + IS_AVAIL1(be, "[Big-Endian]")); break; } } @@ -143,102 +177,82 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) (unsigned int)(arc_get_core_freq() / 1000000), (unsigned int)(arc_get_core_freq() / 10000) % 100); - n += scnprintf(buf + n, len - n, "Timers\t\t: %s %s\n", - (cpu->timers & 0x200) ? "TIMER1" : "", - (cpu->timers & 0x100) ? "TIMER0" : ""); + n += scnprintf(buf + n, len - n, "Timers\t\t: %s%s%s%s\nISA Extn\t: ", + IS_AVAIL1(cpu->timers.t0, "Timer0 "), + IS_AVAIL1(cpu->timers.t1, "Timer1 "), + IS_AVAIL2(cpu->timers.rtsc, "64-bit RTSC ", CONFIG_ARC_HAS_RTSC)); - n += scnprintf(buf + n, len - n, "Vect Tbl Base\t: %#x\n", - cpu->vec_base); + n += i = scnprintf(buf + n, len - n, "%s%s", + IS_AVAIL2(atomic, "atomic ", CONFIG_ARC_HAS_LLSC)); - n += scnprintf(buf + n, len - n, "UNCACHED Base\t: %#x\n", - cpu->uncached_base); + if (i) + n += scnprintf(buf + n, len - n, "\n\t\t: "); + + n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", + IS_AVAIL1(cpu->extn_mpy.ver, "mpy "), + IS_AVAIL1(cpu->extn.norm, "norm "), + IS_AVAIL1(cpu->extn.barrel, "barrel-shift "), + IS_AVAIL1(cpu->extn.swap, "swap "), + IS_AVAIL1(cpu->extn.minmax, "minmax "), + IS_AVAIL1(cpu->extn.crc, "crc "), + IS_AVAIL2(1, "swape", CONFIG_ARC_HAS_SWAPE)); + + if (cpu->bpu.ver) + n += scnprintf(buf + n, len - n, + "BPU\t\t: %s%s match, cache:%d, Predict Table:%d\n", + IS_AVAIL1(cpu->bpu.full, "full"), + IS_AVAIL1(!cpu->bpu.full, "partial"), + cpu->bpu.num_cache, cpu->bpu.num_pred); return buf; } -static const struct id_to_str mul_type_nm[] = { - { 0x0, "N/A"}, - { 0x1, "32x32 (spl Result Reg)" }, - { 0x2, "32x32 (ANY Result Reg)" } -}; - -static const struct id_to_str mac_mul_nm[] = { - {0x0, "N/A"}, - {0x1, "N/A"}, - {0x2, "Dual 16 x 16"}, - {0x3, "N/A"}, - {0x4, "32x16"}, - {0x5, "N/A"}, - {0x6, "Dual 16x16 and 32x16"} -}; - static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) { int n = 0; struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; FIX_PTR(cpu); -#define IS_AVAIL1(var, str) ((var) ? str : "") -#define IS_AVAIL2(var, str) ((var == 0x2) ? str : "") -#define IS_USED(cfg) (IS_ENABLED(cfg) ? "(in-use)" : "(not used)") n += scnprintf(buf + n, len - n, - "Extn [700-Base]\t: %s %s %s %s %s %s\n", - IS_AVAIL2(cpu->extn.norm, "norm,"), - IS_AVAIL2(cpu->extn.barrel, "barrel-shift,"), - IS_AVAIL1(cpu->extn.swap, "swap,"), - IS_AVAIL2(cpu->extn.minmax, "minmax,"), - IS_AVAIL1(cpu->extn.crc, "crc,"), - IS_AVAIL2(cpu->extn.ext_arith, "ext-arith")); + "Vector Table\t: %#x\nUncached Base\t: %#x\n", + cpu->vec_base, cpu->uncached_base); - n += scnprintf(buf + n, len - n, "Extn [700-MPY]\t: %s", - mul_type_nm[cpu->extn.mul].str); + if (cpu->extn.fpu_sp || cpu->extn.fpu_dp) + n += scnprintf(buf + n, len - n, "FPU\t\t: %s%s\n", + IS_AVAIL1(cpu->extn.fpu_sp, "SP "), + IS_AVAIL1(cpu->extn.fpu_dp, "DP ")); - n += scnprintf(buf + n, len - n, " MAC MPY: %s\n", - mac_mul_nm[cpu->extn_mac_mul.type].str); + if (cpu->extn.debug) + n += scnprintf(buf + n, len - n, "DEBUG\t\t: %s%s%s\n", + IS_AVAIL1(cpu->extn.ap, "ActionPoint "), + IS_AVAIL1(cpu->extn.smart, "smaRT "), + IS_AVAIL1(cpu->extn.rtt, "RTT ")); - if (cpu->core.family == 0x34) { - n += scnprintf(buf + n, len - n, - "Extn [700-4.10]\t: LLOCK/SCOND %s, SWAPE %s, RTSC %s\n", - IS_USED(CONFIG_ARC_HAS_LLSC), - IS_USED(CONFIG_ARC_HAS_SWAPE), - IS_USED(CONFIG_ARC_HAS_RTSC)); - } - - n += scnprintf(buf + n, len - n, "Extn [CCM]\t: %s", - !(cpu->dccm.sz || cpu->iccm.sz) ? "N/A" : ""); - - if (cpu->dccm.sz) - n += scnprintf(buf + n, len - n, "DCCM: @ %x, %d KB ", - cpu->dccm.base_addr, TO_KB(cpu->dccm.sz)); - - if (cpu->iccm.sz) - n += scnprintf(buf + n, len - n, "ICCM: @ %x, %d KB", + if (cpu->dccm.sz || cpu->iccm.sz) + n += scnprintf(buf + n, len - n, "Extn [CCM]\t: DCCM @ %x, %d KB / ICCM: @ %x, %d KB\n", + cpu->dccm.base_addr, TO_KB(cpu->dccm.sz), cpu->iccm.base_addr, TO_KB(cpu->iccm.sz)); - n += scnprintf(buf + n, len - n, "\nExtn [FPU]\t: %s", - !(cpu->fp.ver || cpu->dpfp.ver) ? "N/A" : ""); - - if (cpu->fp.ver) - n += scnprintf(buf + n, len - n, "SP [v%d] %s", - cpu->fp.ver, cpu->fp.fast ? "(fast)" : ""); - - if (cpu->dpfp.ver) - n += scnprintf(buf + n, len - n, "DP [v%d] %s", - cpu->dpfp.ver, cpu->dpfp.fast ? "(fast)" : ""); - - n += scnprintf(buf + n, len - n, "\n"); - n += scnprintf(buf + n, len - n, "OS ABI [v3]\t: no-legacy-syscalls\n"); return buf; } -static void arc_chk_ccms(void) +static void arc_chk_core_config(void) { -#if defined(CONFIG_ARC_HAS_DCCM) || defined(CONFIG_ARC_HAS_ICCM) struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; + int fpu_enabled; + + if (!cpu->timers.t0) + panic("Timer0 is not present!\n"); + + if (!cpu->timers.t1) + panic("Timer1 is not present!\n"); + + if (IS_ENABLED(CONFIG_ARC_HAS_RTSC) && !cpu->timers.rtsc) + panic("RTSC is not present\n"); #ifdef CONFIG_ARC_HAS_DCCM /* @@ -256,33 +270,20 @@ static void arc_chk_ccms(void) if (CONFIG_ARC_ICCM_SZ != cpu->iccm.sz) panic("Linux built with incorrect ICCM Size\n"); #endif -#endif -} -/* - * Ensure that FP hardware and kernel config match - * -If hardware contains DPFP, kernel needs to save/restore FPU state - * across context switches - * -If hardware lacks DPFP, but kernel configured to save FPU state then - * kernel trying to access non-existant DPFP regs will crash - * - * We only check for Dbl precision Floating Point, because only DPFP - * hardware has dedicated regs which need to be saved/restored on ctx-sw - * (Single Precision uses core regs), thus kernel is kind of oblivious to it - */ -static void arc_chk_fpu(void) -{ - struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; + /* + * FP hardware/software config sanity + * -If hardware contains DPFP, kernel needs to save/restore FPU state + * -If not, it will crash trying to save/restore the non-existant regs + * + * (only DPDP checked since SP has no arch visible regs) + */ + fpu_enabled = IS_ENABLED(CONFIG_ARC_FPU_SAVE_RESTORE); - if (cpu->dpfp.ver) { -#ifndef CONFIG_ARC_FPU_SAVE_RESTORE - pr_warn("DPFP support broken in this kernel...\n"); -#endif - } else { -#ifdef CONFIG_ARC_FPU_SAVE_RESTORE - panic("H/w lacks DPFP support, apps won't work\n"); -#endif - } + if (cpu->extn.fpu_dp && !fpu_enabled) + pr_warn("CONFIG_ARC_FPU_SAVE_RESTORE needed for working apps\n"); + else if (!cpu->extn.fpu_dp && fpu_enabled) + panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n"); } /* @@ -303,15 +304,11 @@ void setup_processor(void) arc_mmu_init(); arc_cache_init(); - arc_chk_ccms(); printk(arc_extn_mumbojumbo(cpu_id, str, sizeof(str))); - -#ifdef CONFIG_SMP printk(arc_platform_smp_cpuinfo()); -#endif - arc_chk_fpu(); + arc_chk_core_config(); } static inline int is_kernel(unsigned long addr) @@ -360,11 +357,7 @@ void __init setup_arch(char **cmdline_p) machine_desc->init_early(); setup_processor(); - -#ifdef CONFIG_SMP smp_init_cpus(); -#endif - setup_arch_memory(); /* copy flat DT out of .init and then unflatten it */ @@ -385,7 +378,13 @@ void __init setup_arch(char **cmdline_p) static int __init customize_machine(void) { - /* Add platform devices */ + of_clk_init(NULL); + /* + * Traverses flattened DeviceTree - registering platform devices + * (if any) complete with their resources + */ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + if (machine_desc->init_machine) machine_desc->init_machine(); @@ -419,19 +418,14 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, arc_cpu_mumbojumbo(cpu_id, str, PAGE_SIZE)); - seq_printf(m, "Bogo MIPS : \t%lu.%02lu\n", + seq_printf(m, "Bogo MIPS\t: %lu.%02lu\n", loops_per_jiffy / (500000 / HZ), (loops_per_jiffy / (5000 / HZ)) % 100); seq_printf(m, arc_mmu_mumbojumbo(cpu_id, str, PAGE_SIZE)); - seq_printf(m, arc_cache_mumbojumbo(cpu_id, str, PAGE_SIZE)); - seq_printf(m, arc_extn_mumbojumbo(cpu_id, str, PAGE_SIZE)); - -#ifdef CONFIG_SMP seq_printf(m, arc_platform_smp_cpuinfo()); -#endif free_page((unsigned long)str); done: diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index dcd317c47d09..d01df0c517a2 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -101,7 +101,7 @@ void __weak arc_platform_smp_wait_to_boot(int cpu) const char *arc_platform_smp_cpuinfo(void) { - return plat_smp_ops.info; + return plat_smp_ops.info ? : ""; } /* diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c index 9e1142729fd1..8c3a3e02ba92 100644 --- a/arch/arc/mm/cache_arc700.c +++ b/arch/arc/mm/cache_arc700.c @@ -530,16 +530,9 @@ EXPORT_SYMBOL(dma_cache_wback); */ void flush_icache_range(unsigned long kstart, unsigned long kend) { - unsigned int tot_sz, off, sz; - unsigned long phy, pfn; + unsigned int tot_sz; - /* printk("Kernel Cache Cohenercy: %lx to %lx\n",kstart, kend); */ - - /* This is not the right API for user virtual address */ - if (kstart < TASK_SIZE) { - BUG_ON("Flush icache range for user virtual addr space"); - return; - } + WARN(kstart < TASK_SIZE, "%s() can't handle user vaddr", __func__); /* Shortcut for bigger flush ranges. * Here we don't care if this was kernel virtual or phy addr @@ -572,6 +565,9 @@ void flush_icache_range(unsigned long kstart, unsigned long kend) * straddles across 2 virtual pages and hence need for loop */ while (tot_sz > 0) { + unsigned int off, sz; + unsigned long phy, pfn; + off = kstart % PAGE_SIZE; pfn = vmalloc_to_pfn((void *)kstart); phy = (pfn << PAGE_SHIFT) + off; diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c index e1acf0ce5647..7f47d2a56f44 100644 --- a/arch/arc/mm/tlb.c +++ b/arch/arc/mm/tlb.c @@ -609,14 +609,12 @@ char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len) int n = 0; struct cpuinfo_arc_mmu *p_mmu = &cpuinfo_arc700[cpu_id].mmu; - n += scnprintf(buf + n, len - n, "ARC700 MMU [v%x]\t: %dk PAGE, ", - p_mmu->ver, TO_KB(p_mmu->pg_sz)); - n += scnprintf(buf + n, len - n, - "J-TLB %d (%dx%d), uDTLB %d, uITLB %d, %s\n", + "MMU [v%x]\t: %dk PAGE, JTLB %d (%dx%d), uDTLB %d, uITLB %d %s\n", + p_mmu->ver, TO_KB(p_mmu->pg_sz), p_mmu->num_tlb, p_mmu->sets, p_mmu->ways, p_mmu->u_dtlb, p_mmu->u_itlb, - IS_ENABLED(CONFIG_ARC_MMU_SASID) ? "SASID" : ""); + IS_ENABLED(CONFIG_ARC_MMU_SASID) ? ",SASID" : ""); return buf; } diff --git a/arch/arc/plat-arcfpga/Kconfig b/arch/arc/plat-arcfpga/Kconfig index b9f34cf55acf..217593a70751 100644 --- a/arch/arc/plat-arcfpga/Kconfig +++ b/arch/arc/plat-arcfpga/Kconfig @@ -8,7 +8,7 @@ menuconfig ARC_PLAT_FPGA_LEGACY bool "\"Legacy\" ARC FPGA dev Boards" - select ISS_SMP_EXTN if SMP + select ARC_HAS_COH_CACHES if SMP help Support for ARC development boards, provided by Synopsys. These are based on FPGA or ISS. e.g. @@ -18,17 +18,6 @@ menuconfig ARC_PLAT_FPGA_LEGACY if ARC_PLAT_FPGA_LEGACY -config ARC_BOARD_ANGEL4 - bool "ARC Angel4" - default y - help - ARC Angel4 FPGA Ref Platform (Xilinx Virtex Based) - -config ARC_BOARD_ML509 - bool "ML509" - help - ARC ML509 FPGA Ref Platform (Xilinx Virtex-5 Based) - config ISS_SMP_EXTN bool "ARC SMP Extensions (ISS Models only)" default n diff --git a/arch/arc/plat-arcfpga/include/plat/irq.h b/arch/arc/plat-arcfpga/include/plat/irq.h deleted file mode 100644 index 2c9dea690ac4..000000000000 --- a/arch/arc/plat-arcfpga/include/plat/irq.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * vineetg: Feb 2009 - * -For AA4 board, IRQ assignments to peripherals - */ - -#ifndef __PLAT_IRQ_H -#define __PLAT_IRQ_H - -#define UART0_IRQ 5 -#define UART1_IRQ 10 -#define UART2_IRQ 11 - -#define IDE_IRQ 13 -#define PCI_IRQ 14 -#define PS2_IRQ 15 - -#ifdef CONFIG_SMP -#define IDU_INTERRUPT_0 16 -#endif - -#endif diff --git a/arch/arc/plat-arcfpga/include/plat/memmap.h b/arch/arc/plat-arcfpga/include/plat/memmap.h deleted file mode 100644 index 5c78e6135a1f..000000000000 --- a/arch/arc/plat-arcfpga/include/plat/memmap.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * vineetg: Feb 2009 - * -For AA4 board, System Memory Map for Peripherals etc - */ - -#ifndef __PLAT_MEMMAP_H -#define __PLAT_MEMMAP_H - -#define UART0_BASE 0xC0FC1000 -#define UART1_BASE 0xC0FC1100 - -#define IDE_CONTROLLER_BASE 0xC0FC9000 - -#define AHB_PCI_HOST_BRG_BASE 0xC0FD0000 - -#define PGU_BASEADDR 0xC0FC8000 -#define VLCK_ADDR 0xC0FCF028 - -#define BVCI_LAT_UNIT_BASE 0xC0FED000 - -#define PS2_BASE_ADDR 0xC0FCC000 - -#endif diff --git a/arch/arc/plat-arcfpga/platform.c b/arch/arc/plat-arcfpga/platform.c index 1038949a99a1..afc88254acc1 100644 --- a/arch/arc/plat-arcfpga/platform.c +++ b/arch/arc/plat-arcfpga/platform.c @@ -8,37 +8,9 @@ * published by the Free Software Foundation. */ -#include #include -#include -#include -#include -#include -#include -#include -#include #include -#include #include -#include - -static void __init plat_fpga_early_init(void) -{ - pr_info("[plat-arcfpga]: registering early dev resources\n"); - -#ifdef CONFIG_ISS_SMP_EXTN - iss_model_init_early_smp(); -#endif -} - -static void __init plat_fpga_populate_dev(void) -{ - /* - * Traverses flattened DeviceTree - registering platform devices - * (if any) complete with their resources - */ - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); -} /*----------------------- Machine Descriptions ------------------------------ * @@ -48,41 +20,26 @@ static void __init plat_fpga_populate_dev(void) * callback set, by matching the DT compatible name. */ -static const char *aa4_compat[] __initconst = { +static const char *legacy_fpga_compat[] __initconst = { "snps,arc-angel4", - NULL, -}; - -MACHINE_START(ANGEL4, "angel4") - .dt_compat = aa4_compat, - .init_early = plat_fpga_early_init, - .init_machine = plat_fpga_populate_dev, -#ifdef CONFIG_ISS_SMP_EXTN - .init_smp = iss_model_init_smp, -#endif -MACHINE_END - -static const char *ml509_compat[] __initconst = { "snps,arc-ml509", NULL, }; -MACHINE_START(ML509, "ml509") - .dt_compat = ml509_compat, - .init_early = plat_fpga_early_init, - .init_machine = plat_fpga_populate_dev, -#ifdef CONFIG_SMP +MACHINE_START(LEGACY_FPGA, "legacy_fpga") + .dt_compat = legacy_fpga_compat, +#ifdef CONFIG_ISS_SMP_EXTN + .init_early = iss_model_init_early_smp, .init_smp = iss_model_init_smp, #endif MACHINE_END -static const char *nsimosci_compat[] __initconst = { +static const char *simulation_compat[] __initconst = { + "snps,nsim", "snps,nsimosci", NULL, }; -MACHINE_START(NSIMOSCI, "nsimosci") - .dt_compat = nsimosci_compat, - .init_early = NULL, - .init_machine = plat_fpga_populate_dev, +MACHINE_START(SIMULATION, "simulation") + .dt_compat = simulation_compat, MACHINE_END diff --git a/arch/arc/plat-arcfpga/smp.c b/arch/arc/plat-arcfpga/smp.c index 92bad9122077..64797ba3bbe3 100644 --- a/arch/arc/plat-arcfpga/smp.c +++ b/arch/arc/plat-arcfpga/smp.c @@ -13,9 +13,10 @@ #include #include -#include #include +#define IDU_INTERRUPT_0 16 + static char smp_cpuinfo_buf[128]; /* diff --git a/arch/arc/plat-tb10x/Kconfig b/arch/arc/plat-tb10x/Kconfig index 6994c188dc88..d14b3d3c5dfd 100644 --- a/arch/arc/plat-tb10x/Kconfig +++ b/arch/arc/plat-tb10x/Kconfig @@ -18,7 +18,6 @@ menuconfig ARC_PLAT_TB10X bool "Abilis TB10x" - select COMMON_CLK select PINCTRL select PINCTRL_TB10X select PINMUX diff --git a/arch/arc/plat-tb10x/tb10x.c b/arch/arc/plat-tb10x/tb10x.c index 06cb30929460..da0ac0960a4b 100644 --- a/arch/arc/plat-tb10x/tb10x.c +++ b/arch/arc/plat-tb10x/tb10x.c @@ -19,21 +19,9 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - #include -#include -#include -#include - #include - -static void __init tb10x_platform_init(void) -{ - of_clk_init(NULL); - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); -} - static const char *tb10x_compat[] __initdata = { "abilis,arc-tb10x", NULL, @@ -41,5 +29,4 @@ static const char *tb10x_compat[] __initdata = { MACHINE_START(TB10x, "tb10x") .dt_compat = tb10x_compat, - .init_machine = tb10x_platform_init, MACHINE_END diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 03dc4c1a8736..d8f6a2ec3d4e 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1187,7 +1187,7 @@ config DEBUG_UART_VIRT default 0xf1c28000 if DEBUG_SUNXI_UART0 default 0xf1c28400 if DEBUG_SUNXI_UART1 default 0xf1f02800 if DEBUG_SUNXI_R_UART - default 0xf2100000 if DEBUG_PXA_UART1 + default 0xf6200000 if DEBUG_PXA_UART1 default 0xf4090000 if ARCH_LPC32XX default 0xf4200000 if ARCH_GEMINI default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 413fd94b5301..68be9017593d 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -397,8 +397,7 @@ dtb_check_done: add sp, sp, r6 #endif - tst r4, #1 - bleq cache_clean_flush + bl cache_clean_flush adr r0, BSYM(restart) add r0, r0, r6 @@ -1047,6 +1046,8 @@ cache_clean_flush: b call_cache_fn __armv4_mpu_cache_flush: + tst r4, #1 + movne pc, lr mov r2, #1 mov r3, #0 mcr p15, 0, ip, c7, c6, 0 @ invalidate D cache @@ -1064,6 +1065,8 @@ __armv4_mpu_cache_flush: mov pc, lr __fa526_cache_flush: + tst r4, #1 + movne pc, lr mov r1, #0 mcr p15, 0, r1, c7, c14, 0 @ clean and invalidate D cache mcr p15, 0, r1, c7, c5, 0 @ flush I cache @@ -1072,13 +1075,16 @@ __fa526_cache_flush: __armv6_mmu_cache_flush: mov r1, #0 - mcr p15, 0, r1, c7, c14, 0 @ clean+invalidate D + tst r4, #1 + mcreq p15, 0, r1, c7, c14, 0 @ clean+invalidate D mcr p15, 0, r1, c7, c5, 0 @ invalidate I+BTB - mcr p15, 0, r1, c7, c15, 0 @ clean+invalidate unified + mcreq p15, 0, r1, c7, c15, 0 @ clean+invalidate unified mcr p15, 0, r1, c7, c10, 4 @ drain WB mov pc, lr __armv7_mmu_cache_flush: + tst r4, #1 + bne iflush mrc p15, 0, r10, c0, c1, 5 @ read ID_MMFR1 tst r10, #0xf << 16 @ hierarchical cache (ARMv7) mov r10, #0 @@ -1139,6 +1145,8 @@ iflush: mov pc, lr __armv5tej_mmu_cache_flush: + tst r4, #1 + movne pc, lr 1: mrc p15, 0, r15, c7, c14, 3 @ test,clean,invalidate D cache bne 1b mcr p15, 0, r0, c7, c5, 0 @ flush I cache @@ -1146,6 +1154,8 @@ __armv5tej_mmu_cache_flush: mov pc, lr __armv4_mmu_cache_flush: + tst r4, #1 + movne pc, lr mov r2, #64*1024 @ default: 32K dcache size (*2) mov r11, #32 @ default: 32 byte line size mrc p15, 0, r3, c0, c0, 1 @ read cache type @@ -1179,6 +1189,8 @@ no_cache_id: __armv3_mmu_cache_flush: __armv3_mpu_cache_flush: + tst r4, #1 + movne pc, lr mov r1, #0 mcr p15, 0, r1, c7, c0, 0 @ invalidate whole cache v3 mov pc, lr diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index e2156a583de7..c4b968f0feb5 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -489,7 +489,7 @@ partition@3 { reg = <0x00060000 0x00020000>; }; partition@4 { - label = "NAND.u-boot-spl"; + label = "NAND.u-boot-spl-os"; reg = <0x00080000 0x00040000>; }; partition@5 { diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index e7ac47fa6615..a521ac0a7d5a 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -291,8 +291,8 @@ dcdc2: regulator-dcdc2 { dcdc3: regulator-dcdc3 { compatible = "ti,tps65218-dcdc3"; regulator-name = "vdcdc3"; - regulator-min-microvolt = <1350000>; - regulator-max-microvolt = <1350000>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; regulator-boot-on; regulator-always-on; }; diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts index 859ff3d620ee..87aa4f3b8b3d 100644 --- a/arch/arm/boot/dts/am437x-sk-evm.dts +++ b/arch/arm/boot/dts/am437x-sk-evm.dts @@ -363,8 +363,8 @@ dcdc2: regulator-dcdc2 { dcdc3: regulator-dcdc3 { compatible = "ti,tps65218-dcdc3"; regulator-name = "vdds_ddr"; - regulator-min-microvolt = <1350000>; - regulator-max-microvolt = <1350000>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; regulator-boot-on; regulator-always-on; }; diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index ac3e4859935f..f7e9bba10bd6 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -358,8 +358,8 @@ dcdc2: regulator-dcdc2 { dcdc3: regulator-dcdc3 { compatible = "ti,tps65218-dcdc3"; regulator-name = "vdcdc3"; - regulator-min-microvolt = <1350000>; - regulator-max-microvolt = <1350000>; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; regulator-boot-on; regulator-always-on; }; diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index d68b3c4862bc..51416c7d0625 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -122,9 +122,10 @@ pllb: pllbck { interrupts-extended = <&pmc AT91_PMC_LOCKB>; clocks = <&main>; reg = <1>; - atmel,clk-input-range = <1000000 5000000>; + atmel,clk-input-range = <1000000 32000000>; #atmel,pll-clk-output-range-cells = <4>; - atmel,pll-clk-output-ranges = <70000000 130000000 1 1>; + atmel,pll-clk-output-ranges = <80000000 200000000 0 1>, + <190000000 240000000 2 1>; }; mck: masterck { diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index 09664fcf5afb..0e13b4b10a92 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -193,7 +193,6 @@ lradc@80050000 { i2c0: i2c@80058000 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; - clock-frequency = <400000>; status = "okay"; sgtl5000: codec@0a { diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index 739fcf29c643..bc82a12d4c2c 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -668,6 +668,8 @@ ethernet@gpmc { bank-width = <2>; pinctrl-names = "default"; pinctrl-0 = <ðernet_pins>; + power-gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>; /* gpio86 */ + reset-gpios = <&gpio6 4 GPIO_ACTIVE_HIGH>; /* gpio164 */ gpmc,device-width = <2>; gpmc,sync-clk-ps = <0>; gpmc,cs-on-ns = <0>; diff --git a/arch/arm/boot/dts/sama5d31.dtsi b/arch/arm/boot/dts/sama5d31.dtsi index 7997dc9863ed..883878b32971 100644 --- a/arch/arm/boot/dts/sama5d31.dtsi +++ b/arch/arm/boot/dts/sama5d31.dtsi @@ -12,5 +12,5 @@ #include "sama5d3_uart.dtsi" / { - compatible = "atmel,samad31", "atmel,sama5d3", "atmel,sama5"; + compatible = "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5"; }; diff --git a/arch/arm/boot/dts/sama5d33.dtsi b/arch/arm/boot/dts/sama5d33.dtsi index 39f832253caf..4b4434aca351 100644 --- a/arch/arm/boot/dts/sama5d33.dtsi +++ b/arch/arm/boot/dts/sama5d33.dtsi @@ -10,5 +10,5 @@ #include "sama5d3_gmac.dtsi" / { - compatible = "atmel,samad33", "atmel,sama5d3", "atmel,sama5"; + compatible = "atmel,sama5d33", "atmel,sama5d3", "atmel,sama5"; }; diff --git a/arch/arm/boot/dts/sama5d34.dtsi b/arch/arm/boot/dts/sama5d34.dtsi index 89cda2c0da39..aa01573fdee9 100644 --- a/arch/arm/boot/dts/sama5d34.dtsi +++ b/arch/arm/boot/dts/sama5d34.dtsi @@ -12,5 +12,5 @@ #include "sama5d3_mci2.dtsi" / { - compatible = "atmel,samad34", "atmel,sama5d3", "atmel,sama5"; + compatible = "atmel,sama5d34", "atmel,sama5d3", "atmel,sama5"; }; diff --git a/arch/arm/boot/dts/sama5d35.dtsi b/arch/arm/boot/dts/sama5d35.dtsi index d20cd71b5f0e..16c39f4c96a4 100644 --- a/arch/arm/boot/dts/sama5d35.dtsi +++ b/arch/arm/boot/dts/sama5d35.dtsi @@ -14,5 +14,5 @@ #include "sama5d3_tcb1.dtsi" / { - compatible = "atmel,samad35", "atmel,sama5d3", "atmel,sama5"; + compatible = "atmel,sama5d35", "atmel,sama5d3", "atmel,sama5"; }; diff --git a/arch/arm/boot/dts/sama5d36.dtsi b/arch/arm/boot/dts/sama5d36.dtsi index db58cad6acd3..e85139ef40af 100644 --- a/arch/arm/boot/dts/sama5d36.dtsi +++ b/arch/arm/boot/dts/sama5d36.dtsi @@ -16,5 +16,5 @@ #include "sama5d3_uart.dtsi" / { - compatible = "atmel,samad36", "atmel,sama5d3", "atmel,sama5"; + compatible = "atmel,sama5d36", "atmel,sama5d3", "atmel,sama5"; }; diff --git a/arch/arm/boot/dts/sama5d3xcm.dtsi b/arch/arm/boot/dts/sama5d3xcm.dtsi index 962dc28dc37b..cfcd200b0c17 100644 --- a/arch/arm/boot/dts/sama5d3xcm.dtsi +++ b/arch/arm/boot/dts/sama5d3xcm.dtsi @@ -8,7 +8,7 @@ */ / { - compatible = "atmel,samad3xcm", "atmel,sama5d3", "atmel,sama5"; + compatible = "atmel,sama5d3xcm", "atmel,sama5d3", "atmel,sama5"; chosen { bootargs = "console=ttyS0,115200 rootfstype=ubifs ubi.mtd=5 root=ubi0:rootfs"; diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi index 45fce2cf6fed..4472fd92685c 100644 --- a/arch/arm/boot/dts/socfpga.dtsi +++ b/arch/arm/boot/dts/socfpga.dtsi @@ -547,7 +547,7 @@ i2c3: i2c@ffc07000 { status = "disabled"; }; - gpio@ff708000 { + gpio0: gpio@ff708000 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,dw-apb-gpio"; @@ -555,7 +555,7 @@ gpio@ff708000 { clocks = <&per_base_clk>; status = "disabled"; - gpio0: gpio-controller@0 { + porta: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; @@ -567,7 +567,7 @@ gpio0: gpio-controller@0 { }; }; - gpio@ff709000 { + gpio1: gpio@ff709000 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,dw-apb-gpio"; @@ -575,7 +575,7 @@ gpio@ff709000 { clocks = <&per_base_clk>; status = "disabled"; - gpio1: gpio-controller@0 { + portb: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; @@ -587,7 +587,7 @@ gpio1: gpio-controller@0 { }; }; - gpio@ff70a000 { + gpio2: gpio@ff70a000 { #address-cells = <1>; #size-cells = <0>; compatible = "snps,dw-apb-gpio"; @@ -595,7 +595,7 @@ gpio@ff70a000 { clocks = <&per_base_clk>; status = "disabled"; - gpio2: gpio-controller@0 { + portc: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; diff --git a/arch/arm/boot/dts/socfpga_arria5.dtsi b/arch/arm/boot/dts/socfpga_arria5.dtsi index 03e8268ae219..1907cc600452 100644 --- a/arch/arm/boot/dts/socfpga_arria5.dtsi +++ b/arch/arm/boot/dts/socfpga_arria5.dtsi @@ -29,7 +29,7 @@ osc1 { }; }; - dwmmc0@ff704000 { + mmc0: dwmmc0@ff704000 { num-slots = <1>; broken-cd; bus-width = <4>; diff --git a/arch/arm/boot/dts/socfpga_arria5_socdk.dts b/arch/arm/boot/dts/socfpga_arria5_socdk.dts index 27d551c384d0..ccaf41742fc3 100644 --- a/arch/arm/boot/dts/socfpga_arria5_socdk.dts +++ b/arch/arm/boot/dts/socfpga_arria5_socdk.dts @@ -37,6 +37,13 @@ aliases { */ ethernet0 = &gmac1; }; + + regulator_3_3v: 3-3-v-regulator { + compatible = "regulator-fixed"; + regulator-name = "3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; }; &gmac1 { @@ -68,6 +75,11 @@ rtc@68 { }; }; +&mmc0 { + vmmc-supply = <®ulator_3_3v>; + vqmmc-supply = <®ulator_3_3v>; +}; + &usb1 { status = "okay"; }; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts index d7296a5f750c..258865da8f6a 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts @@ -37,6 +37,13 @@ aliases { */ ethernet0 = &gmac1; }; + + regulator_3_3v: 3-3-v-regulator { + compatible = "regulator-fixed"; + regulator-name = "3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; }; &gmac1 { @@ -53,6 +60,10 @@ &gmac1 { rxc-skew-ps = <2000>; }; +&gpio1 { + status = "okay"; +}; + &i2c0 { status = "okay"; @@ -69,7 +80,9 @@ rtc@68 { }; &mmc0 { - cd-gpios = <&gpio1 18 0>; + cd-gpios = <&portb 18 0>; + vmmc-supply = <®ulator_3_3v>; + vqmmc-supply = <®ulator_3_3v>; }; &usb1 { diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts index d26f155f5fd9..16ea6f5f2ab8 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts @@ -37,6 +37,13 @@ aliases { */ ethernet0 = &gmac1; }; + + regulator_3_3v: vcc3p3-regulator { + compatible = "regulator-fixed"; + regulator-name = "VCC3P3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; }; &gmac1 { @@ -53,6 +60,11 @@ &gmac1 { rxc-skew-ps = <2000>; }; +&mmc0 { + vmmc-supply = <®ulator_3_3v>; + vqmmc-supply = <®ulator_3_3v>; +}; + &usb1 { status = "okay"; }; diff --git a/arch/arm/boot/dts/vf610-cosmic.dts b/arch/arm/boot/dts/vf610-cosmic.dts index 3fd1b74e1216..de1b453c2932 100644 --- a/arch/arm/boot/dts/vf610-cosmic.dts +++ b/arch/arm/boot/dts/vf610-cosmic.dts @@ -33,6 +33,13 @@ enet_ext { }; +&esdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_esdhc1>; + bus-width = <4>; + status = "okay"; +}; + &fec1 { phy-mode = "rmii"; pinctrl-names = "default"; @@ -42,6 +49,18 @@ &fec1 { &iomuxc { vf610-cosmic { + pinctrl_esdhc1: esdhc1grp { + fsl,pins = < + VF610_PAD_PTA24__ESDHC1_CLK 0x31ef + VF610_PAD_PTA25__ESDHC1_CMD 0x31ef + VF610_PAD_PTA26__ESDHC1_DAT0 0x31ef + VF610_PAD_PTA27__ESDHC1_DAT1 0x31ef + VF610_PAD_PTA28__ESDHC1_DATA2 0x31ef + VF610_PAD_PTA29__ESDHC1_DAT3 0x31ef + VF610_PAD_PTB28__GPIO_98 0x219d + >; + }; + pinctrl_fec1: fec1grp { fsl,pins = < VF610_PAD_PTC9__ENET_RMII1_MDC 0x30d2 diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi index 24036c440440..ce2ef5bec4f2 100644 --- a/arch/arm/boot/dts/zynq-7000.dtsi +++ b/arch/arm/boot/dts/zynq-7000.dtsi @@ -30,7 +30,6 @@ cpu@0 { /* kHz uV */ 666667 1000000 333334 1000000 - 222223 1000000 >; }; @@ -65,7 +64,7 @@ amba { interrupt-parent = <&intc>; ranges; - adc@f8007100 { + adc: adc@f8007100 { compatible = "xlnx,zynq-xadc-1.00.a"; reg = <0xf8007100 0x20>; interrupts = <0 7 4>; @@ -137,7 +136,7 @@ intc: interrupt-controller@f8f01000 { <0xF8F00100 0x100>; }; - L2: cache-controller { + L2: cache-controller@f8f02000 { compatible = "arm,pl310-cache"; reg = <0xF8F02000 0x1000>; arm,data-latency = <3 2 2>; @@ -146,10 +145,10 @@ L2: cache-controller { cache-level = <2>; }; - memory-controller@f8006000 { + mc: memory-controller@f8006000 { compatible = "xlnx,zynq-ddrc-a05"; reg = <0xf8006000 0x1000>; - } ; + }; uart0: serial@e0000000 { compatible = "xlnx,xuartps", "cdns,uart-r1p8"; @@ -195,7 +194,7 @@ spi1: spi@e0007000 { gem0: ethernet@e000b000 { compatible = "cdns,gem"; - reg = <0xe000b000 0x4000>; + reg = <0xe000b000 0x1000>; status = "disabled"; interrupts = <0 22 4>; clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>; @@ -206,7 +205,7 @@ gem0: ethernet@e000b000 { gem1: ethernet@e000c000 { compatible = "cdns,gem"; - reg = <0xe000c000 0x4000>; + reg = <0xe000c000 0x1000>; status = "disabled"; interrupts = <0 45 4>; clocks = <&clkc 31>, <&clkc 31>, <&clkc 14>; @@ -315,5 +314,16 @@ scutimer: timer@f8f00600 { reg = <0xf8f00600 0x20>; clocks = <&clkc 4>; }; + + watchdog0: watchdog@f8005000 { + clocks = <&clkc 45>; + compatible = "xlnx,zynq-wdt-r1p2"; + device_type = "watchdog"; + interrupt-parent = <&intc>; + interrupts = <0 9 1>; + reg = <0xf8005000 0x1000>; + reset = <0>; + timeout-sec = <10>; + }; }; }; diff --git a/arch/arm/boot/dts/zynq-parallella.dts b/arch/arm/boot/dts/zynq-parallella.dts index e1f51ca127fe..0429bbd89fba 100644 --- a/arch/arm/boot/dts/zynq-parallella.dts +++ b/arch/arm/boot/dts/zynq-parallella.dts @@ -34,6 +34,10 @@ chosen { }; }; +&clkc { + fclk-enable = <0xf>; +}; + &gem0 { status = "okay"; phy-mode = "rgmii-id"; diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c index d86771abbf57..72041f002b7e 100644 --- a/arch/arm/common/edma.c +++ b/arch/arm/common/edma.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -1623,6 +1624,11 @@ static int edma_probe(struct platform_device *pdev) struct device_node *node = pdev->dev.of_node; struct device *dev = &pdev->dev; int ret; + struct platform_device_info edma_dev_info = { + .name = "edma-dma-engine", + .dma_mask = DMA_BIT_MASK(32), + .parent = &pdev->dev, + }; if (node) { /* Check if this is a second instance registered */ @@ -1793,6 +1799,9 @@ static int edma_probe(struct platform_device *pdev) edma_write_array(j, EDMA_QRAE, i, 0x0); } arch_num_cc++; + + edma_dev_info.id = j; + platform_device_register_full(&edma_dev_info); } return 0; diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig index e688741c89aa..e6b0007355f8 100644 --- a/arch/arm/configs/imx_v4_v5_defconfig +++ b/arch/arm/configs/imx_v4_v5_defconfig @@ -97,6 +97,7 @@ CONFIG_SERIAL_IMX_CONSOLE=y # CONFIG_HW_RANDOM is not set CONFIG_I2C_CHARDEV=y CONFIG_I2C_IMX=y +CONFIG_SPI=y CONFIG_SPI_IMX=y CONFIG_SPI_SPIDEV=y CONFIG_GPIO_SYSFS=y diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig index 8fca6e276b69..6790f1b3f3a1 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -158,6 +158,7 @@ CONFIG_I2C_CHARDEV=y CONFIG_I2C_ALGOPCF=m CONFIG_I2C_ALGOPCA=m CONFIG_I2C_IMX=y +CONFIG_SPI=y CONFIG_SPI_IMX=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_MC9S08DZ60=y diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 491b7d5523bf..3487046d8a78 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -235,6 +235,7 @@ CONFIG_SPI_TEGRA20_SLINK=y CONFIG_SPI_XILINX=y CONFIG_PINCTRL_AS3722=y CONFIG_PINCTRL_PALMAS=y +CONFIG_PINCTRL_APQ8084=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_GENERIC_PLATFORM=y CONFIG_GPIO_DWAPB=y @@ -261,6 +262,7 @@ CONFIG_WATCHDOG=y CONFIG_XILINX_WATCHDOG=y CONFIG_ORION_WATCHDOG=y CONFIG_SUNXI_WATCHDOG=y +CONFIG_MESON_WATCHDOG=y CONFIG_MFD_AS3722=y CONFIG_MFD_BCM590XX=y CONFIG_MFD_CROS_EC=y @@ -353,6 +355,7 @@ CONFIG_MMC_MVSDIO=y CONFIG_MMC_SUNXI=y CONFIG_MMC_DW=y CONFIG_MMC_DW_EXYNOS=y +CONFIG_MMC_DW_ROCKCHIP=y CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y CONFIG_LEDS_GPIO=y @@ -409,6 +412,7 @@ CONFIG_NVEC_POWER=y CONFIG_NVEC_PAZ00=y CONFIG_QCOM_GSBI=y CONFIG_COMMON_CLK_QCOM=y +CONFIG_APQ_MMCC_8084=y CONFIG_MSM_GCC_8660=y CONFIG_MSM_MMCC_8960=y CONFIG_MSM_MMCC_8974=y diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index 16e719c268dd..b3f86670d2eb 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -86,7 +86,6 @@ CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_IP_PNP_RARP=y # CONFIG_INET_LRO is not set -CONFIG_IPV6=y CONFIG_NETFILTER=y CONFIG_CAN=m CONFIG_CAN_C_CAN=m @@ -112,6 +111,7 @@ CONFIG_MTD_OOPS=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_INTELEXT=y CONFIG_MTD_NAND=y +CONFIG_MTD_NAND_ECC_BCH=y CONFIG_MTD_NAND_OMAP2=y CONFIG_MTD_ONENAND=y CONFIG_MTD_ONENAND_VERIFY_WRITE=y @@ -317,7 +317,7 @@ CONFIG_EXT4_FS=y CONFIG_FANOTIFY=y CONFIG_QUOTA=y CONFIG_QFMT_V2=y -CONFIG_AUTOFS4_FS=y +CONFIG_AUTOFS4_FS=m CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y diff --git a/arch/arm/configs/socfpga_defconfig b/arch/arm/configs/socfpga_defconfig index d7a5855a5db8..a2956c3112f1 100644 --- a/arch/arm/configs/socfpga_defconfig +++ b/arch/arm/configs/socfpga_defconfig @@ -1,5 +1,6 @@ -CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y +CONFIG_FHANDLE=y +CONFIG_HIGH_RES_TIMERS=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 @@ -11,23 +12,17 @@ CONFIG_PROFILING=y CONFIG_OPROFILE=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y -CONFIG_HOTPLUG=y # CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_ARCH_SOCFPGA=y -CONFIG_MACH_SOCFPGA_CYCLONE5=y CONFIG_ARM_THUMBEE=y -# CONFIG_ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA is not set -# CONFIG_CACHE_L2X0 is not set -CONFIG_HIGH_RES_TIMERS=y CONFIG_SMP=y CONFIG_NR_CPUS=2 CONFIG_AEABI=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="" CONFIG_VFP=y CONFIG_NEON=y CONFIG_NET=y @@ -41,38 +36,30 @@ CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_IP_PNP_RARP=y +CONFIG_IPV6=y +CONFIG_NETWORK_PHY_TIMESTAMPING=y +CONFIG_VLAN_8021Q=y +CONFIG_VLAN_8021Q_GVRP=y CONFIG_CAN=y -CONFIG_CAN_RAW=y -CONFIG_CAN_BCM=y -CONFIG_CAN_GW=y -CONFIG_CAN_DEV=y -CONFIG_CAN_CALC_BITTIMING=y CONFIG_CAN_C_CAN=y CONFIG_CAN_C_CAN_PLATFORM=y CONFIG_CAN_DEBUG_DEVICES=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y -CONFIG_PROC_DEVICETREE=y +CONFIG_DEVTMPFS_MOUNT=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=2 CONFIG_BLK_DEV_RAM_SIZE=8192 +CONFIG_SRAM=y CONFIG_SCSI=y # CONFIG_SCSI_PROC_FS is not set CONFIG_BLK_DEV_SD=y # CONFIG_SCSI_LOWLEVEL is not set CONFIG_NETDEVICES=y CONFIG_STMMAC_ETH=y -CONFIG_MICREL_PHY=y -# CONFIG_STMMAC_PHY_ID_ZERO_WORKAROUND is not set -CONFIG_INPUT_EVDEV=y CONFIG_DWMAC_SOCFPGA=y -CONFIG_PPS=y -CONFIG_NETWORK_PHY_TIMESTAMPING=y -CONFIG_PTP_1588_CLOCK=y -CONFIG_VLAN_8021Q=y -CONFIG_VLAN_8021Q_GVRP=y -CONFIG_GARP=y -CONFIG_IPV6=y +CONFIG_MICREL_PHY=y +CONFIG_INPUT_EVDEV=y # CONFIG_SERIO_SERPORT is not set CONFIG_SERIO_AMBAKMI=y CONFIG_LEGACY_PTY_COUNT=16 @@ -81,45 +68,43 @@ CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_NR_UARTS=2 CONFIG_SERIAL_8250_RUNTIME_UARTS=2 CONFIG_SERIAL_8250_DW=y +CONFIG_I2C=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_DESIGNWARE_PLATFORM=y CONFIG_GPIOLIB=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_DWAPB=y -# CONFIG_RTC_HCTOSYS is not set +CONFIG_PMBUS=y +CONFIG_SENSORS_LTC2978=y +CONFIG_SENSORS_LTC2978_REGULATOR=y CONFIG_WATCHDOG=y CONFIG_DW_WATCHDOG=y +CONFIG_REGULATOR=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y +CONFIG_USB=y +CONFIG_USB_DWC2=y +CONFIG_USB_DWC2_HOST=y +CONFIG_MMC=y +CONFIG_MMC_DW=y CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y CONFIG_EXT3_FS=y -CONFIG_NFS_FS=y -CONFIG_ROOT_NFS=y -# CONFIG_DNOTIFY is not set -# CONFIG_INOTIFY_USER is not set -CONFIG_FHANDLE=y +CONFIG_EXT4_FS=y CONFIG_VFAT_FS=y CONFIG_NTFS_FS=y CONFIG_NTFS_RW=y CONFIG_TMPFS=y -CONFIG_JFFS2_FS=y +CONFIG_CONFIGFS_FS=y +CONFIG_NFS_FS=y +CONFIG_ROOT_NFS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y +CONFIG_PRINTK_TIME=y +CONFIG_DEBUG_INFO=y CONFIG_MAGIC_SYSRQ=y CONFIG_DETECT_HUNG_TASK=y # CONFIG_SCHED_DEBUG is not set -CONFIG_DEBUG_INFO=y CONFIG_ENABLE_DEFAULT_TRACERS=y CONFIG_DEBUG_USER=y CONFIG_XZ_DEC=y -CONFIG_I2C=y -CONFIG_I2C_DESIGNWARE_CORE=y -CONFIG_I2C_DESIGNWARE_PLATFORM=y -CONFIG_I2C_CHARDEV=y -CONFIG_MMC=y -CONFIG_MMC_DW=y -CONFIG_PM=y -CONFIG_SUSPEND=y -CONFIG_MMC_UNSAFE_RESUME=y -CONFIG_USB=y -CONFIG_USB_DWC2=y -CONFIG_USB_DWC2_HOST=y -CONFIG_USB_DWC2_PLATFORM=y diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig index 847045313101..f7ac0379850f 100644 --- a/arch/arm/configs/sunxi_defconfig +++ b/arch/arm/configs/sunxi_defconfig @@ -76,6 +76,7 @@ CONFIG_WATCHDOG=y CONFIG_SUNXI_WATCHDOG=y CONFIG_MFD_AXP20X=y CONFIG_REGULATOR=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_GPIO=y CONFIG_USB=y CONFIG_USB_EHCI_HCD=y diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h index 3aaa75cae90c..705bb7620673 100644 --- a/arch/arm/include/uapi/asm/unistd.h +++ b/arch/arm/include/uapi/asm/unistd.h @@ -412,6 +412,7 @@ #define __NR_seccomp (__NR_SYSCALL_BASE+383) #define __NR_getrandom (__NR_SYSCALL_BASE+384) #define __NR_memfd_create (__NR_SYSCALL_BASE+385) +#define __NR_bpf (__NR_SYSCALL_BASE+386) /* * The following SWIs are ARM private. diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 713e807621d2..2d2d6087b9b1 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -10,6 +10,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include #include #include #include @@ -39,10 +40,19 @@ * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c * (http://gcc.gnu.org/PR8896) and incorrect structure * initialisation in fs/jffs2/erase.c + * GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 + * miscompiles find_get_entry(), and can result in EXT3 and EXT4 + * filesystem corruption (possibly other FS too). */ +#ifdef __GNUC__ #if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) #error Your compiler is too buggy; it is known to miscompile kernels. -#error Known good compilers: 3.3 +#error Known good compilers: 3.3, 4.x +#endif +#if GCC_VERSION >= 40800 && GCC_VERSION < 40803 +#error Your compiler is too buggy; it is known to miscompile kernels +#error and result in filesystem corruption and oopses. +#endif #endif int main(void) diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 9f899d8fdcca..e51833f8cc38 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -395,6 +395,7 @@ CALL(sys_seccomp) CALL(sys_getrandom) /* 385 */ CALL(sys_memfd_create) + CALL(sys_bpf) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 8c35ae4ff176..07a09570175d 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -20,7 +20,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 1412daf4a714..4e79da7c5e30 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -50,8 +50,8 @@ static const char *pcie_axi_sels[] = { "axi", "ahb", }; static const char *ssi_sels[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio_div", }; static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", }; static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", }; -static const char *emi_sels[] = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", }; -static const char *emi_slow_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", }; +static const char *eim_sels[] = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", }; +static const char *eim_slow_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", }; static const char *vdo_axi_sels[] = { "axi", "ahb", }; static const char *vpu_axi_sels[] = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", }; static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div", @@ -302,8 +302,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk[IMX6QDL_CLK_USDHC3_SEL] = imx_clk_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup); clk[IMX6QDL_CLK_USDHC4_SEL] = imx_clk_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup); clk[IMX6QDL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels)); - clk[IMX6QDL_CLK_EMI_SEL] = imx_clk_fixup_mux("emi_sel", base + 0x1c, 27, 2, emi_sels, ARRAY_SIZE(emi_sels), imx_cscmr1_fixup); - clk[IMX6QDL_CLK_EMI_SLOW_SEL] = imx_clk_fixup_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_slow_sels, ARRAY_SIZE(emi_slow_sels), imx_cscmr1_fixup); + clk[IMX6QDL_CLK_EIM_SEL] = imx_clk_fixup_mux("eim_sel", base + 0x1c, 27, 2, eim_sels, ARRAY_SIZE(eim_sels), imx_cscmr1_fixup); + clk[IMX6QDL_CLK_EIM_SLOW_SEL] = imx_clk_fixup_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels), imx_cscmr1_fixup); clk[IMX6QDL_CLK_VDO_AXI_SEL] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels)); clk[IMX6QDL_CLK_VPU_AXI_SEL] = imx_clk_mux("vpu_axi_sel", base + 0x18, 14, 2, vpu_axi_sels, ARRAY_SIZE(vpu_axi_sels)); clk[IMX6QDL_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels)); @@ -354,8 +354,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk[IMX6QDL_CLK_USDHC4_PODF] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3); clk[IMX6QDL_CLK_ENFC_PRED] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3); clk[IMX6QDL_CLK_ENFC_PODF] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6); - clk[IMX6QDL_CLK_EMI_PODF] = imx_clk_fixup_divider("emi_podf", "emi_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup); - clk[IMX6QDL_CLK_EMI_SLOW_PODF] = imx_clk_fixup_divider("emi_slow_podf", "emi_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup); + clk[IMX6QDL_CLK_EIM_PODF] = imx_clk_fixup_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup); + clk[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_fixup_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup); clk[IMX6QDL_CLK_VPU_AXI_PODF] = imx_clk_divider("vpu_axi_podf", "vpu_axi_sel", base + 0x24, 25, 3); clk[IMX6QDL_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3); clk[IMX6QDL_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", base + 0x60, 21, 3); @@ -456,7 +456,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk[IMX6QDL_CLK_USDHC2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4); clk[IMX6QDL_CLK_USDHC3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6); clk[IMX6QDL_CLK_USDHC4] = imx_clk_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8); - clk[IMX6QDL_CLK_EIM_SLOW] = imx_clk_gate2("eim_slow", "emi_slow_podf", base + 0x80, 10); + clk[IMX6QDL_CLK_EIM_SLOW] = imx_clk_gate2("eim_slow", "eim_slow_podf", base + 0x80, 10); clk[IMX6QDL_CLK_VDO_AXI] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12); clk[IMX6QDL_CLK_VPU_AXI] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14); clk[IMX6QDL_CLK_CKO1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7); diff --git a/arch/arm/mach-imx/clk-vf610.c b/arch/arm/mach-imx/clk-vf610.c index a17818475050..409637254594 100644 --- a/arch/arm/mach-imx/clk-vf610.c +++ b/arch/arm/mach-imx/clk-vf610.c @@ -58,8 +58,14 @@ #define PFD_PLL1_BASE (anatop_base + 0x2b0) #define PFD_PLL2_BASE (anatop_base + 0x100) #define PFD_PLL3_BASE (anatop_base + 0xf0) +#define PLL1_CTRL (anatop_base + 0x270) +#define PLL2_CTRL (anatop_base + 0x30) #define PLL3_CTRL (anatop_base + 0x10) +#define PLL4_CTRL (anatop_base + 0x70) +#define PLL5_CTRL (anatop_base + 0xe0) +#define PLL6_CTRL (anatop_base + 0xa0) #define PLL7_CTRL (anatop_base + 0x20) +#define ANA_MISC1 (anatop_base + 0x160) static void __iomem *anatop_base; static void __iomem *ccm_base; @@ -67,25 +73,34 @@ static void __iomem *ccm_base; /* sources for multiplexer clocks, this is used multiple times */ static const char *fast_sels[] = { "firc", "fxosc", }; static const char *slow_sels[] = { "sirc_32k", "sxosc", }; -static const char *pll1_sels[] = { "pll1_main", "pll1_pfd1", "pll1_pfd2", "pll1_pfd3", "pll1_pfd4", }; -static const char *pll2_sels[] = { "pll2_main", "pll2_pfd1", "pll2_pfd2", "pll2_pfd3", "pll2_pfd4", }; -static const char *sys_sels[] = { "fast_clk_sel", "slow_clk_sel", "pll2_pfd_sel", "pll2_main", "pll1_pfd_sel", "pll3_main", }; +static const char *pll1_sels[] = { "pll1_sys", "pll1_pfd1", "pll1_pfd2", "pll1_pfd3", "pll1_pfd4", }; +static const char *pll2_sels[] = { "pll2_bus", "pll2_pfd1", "pll2_pfd2", "pll2_pfd3", "pll2_pfd4", }; +static const char *pll_bypass_src_sels[] = { "fast_clk_sel", "lvds1_in", }; +static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", }; +static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", }; +static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", }; +static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", }; +static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", }; +static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", }; +static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", }; +static const char *sys_sels[] = { "fast_clk_sel", "slow_clk_sel", "pll2_pfd_sel", "pll2_bus", "pll1_pfd_sel", "pll3_usb_otg", }; static const char *ddr_sels[] = { "pll2_pfd2", "sys_sel", }; static const char *rmii_sels[] = { "enet_ext", "audio_ext", "enet_50m", "enet_25m", }; static const char *enet_ts_sels[] = { "enet_ext", "fxosc", "audio_ext", "usb", "enet_ts", "enet_25m", "enet_50m", }; -static const char *esai_sels[] = { "audio_ext", "mlb", "spdif_rx", "pll4_main_div", }; -static const char *sai_sels[] = { "audio_ext", "mlb", "spdif_rx", "pll4_main_div", }; +static const char *esai_sels[] = { "audio_ext", "mlb", "spdif_rx", "pll4_audio_div", }; +static const char *sai_sels[] = { "audio_ext", "mlb", "spdif_rx", "pll4_audio_div", }; static const char *nfc_sels[] = { "platform_bus", "pll1_pfd1", "pll3_pfd1", "pll3_pfd3", }; -static const char *qspi_sels[] = { "pll3_main", "pll3_pfd4", "pll2_pfd4", "pll1_pfd4", }; -static const char *esdhc_sels[] = { "pll3_main", "pll3_pfd3", "pll1_pfd3", "platform_bus", }; -static const char *dcu_sels[] = { "pll1_pfd2", "pll3_main", }; +static const char *qspi_sels[] = { "pll3_usb_otg", "pll3_pfd4", "pll2_pfd4", "pll1_pfd4", }; +static const char *esdhc_sels[] = { "pll3_usb_otg", "pll3_pfd3", "pll1_pfd3", "platform_bus", }; +static const char *dcu_sels[] = { "pll1_pfd2", "pll3_usb_otg", }; static const char *gpu_sels[] = { "pll2_pfd2", "pll3_pfd2", }; -static const char *vadc_sels[] = { "pll6_main_div", "pll3_main_div", "pll3_main", }; +static const char *vadc_sels[] = { "pll6_video_div", "pll3_usb_otg_div", "pll3_usb_otg", }; /* FTM counter clock source, not module clock */ static const char *ftm_ext_sels[] = {"sirc_128k", "sxosc", "fxosc_half", "audio_ext", }; static const char *ftm_fix_sels[] = { "sxosc", "ipg_bus", }; -static struct clk_div_table pll4_main_div_table[] = { + +static struct clk_div_table pll4_audio_div_table[] = { { .val = 0, .div = 1 }, { .val = 1, .div = 2 }, { .val = 2, .div = 6 }, @@ -120,6 +135,9 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_AUDIO_EXT] = imx_obtain_fixed_clock("audio_ext", 0); clk[VF610_CLK_ENET_EXT] = imx_obtain_fixed_clock("enet_ext", 0); + /* Clock source from external clock via LVDs PAD */ + clk[VF610_CLK_ANACLK1] = imx_obtain_fixed_clock("anaclk1", 0); + clk[VF610_CLK_FXOSC_HALF] = imx_clk_fixed_factor("fxosc_half", "fxosc", 1, 2); np = of_find_compatible_node(NULL, NULL, "fsl,vf610-anatop"); @@ -133,31 +151,63 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_SLOW_CLK_SEL] = imx_clk_mux("slow_clk_sel", CCM_CCSR, 4, 1, slow_sels, ARRAY_SIZE(slow_sels)); clk[VF610_CLK_FASK_CLK_SEL] = imx_clk_mux("fast_clk_sel", CCM_CCSR, 5, 1, fast_sels, ARRAY_SIZE(fast_sels)); - clk[VF610_CLK_PLL1_MAIN] = imx_clk_fixed_factor("pll1_main", "fast_clk_sel", 22, 1); - clk[VF610_CLK_PLL1_PFD1] = imx_clk_pfd("pll1_pfd1", "pll1_main", PFD_PLL1_BASE, 0); - clk[VF610_CLK_PLL1_PFD2] = imx_clk_pfd("pll1_pfd2", "pll1_main", PFD_PLL1_BASE, 1); - clk[VF610_CLK_PLL1_PFD3] = imx_clk_pfd("pll1_pfd3", "pll1_main", PFD_PLL1_BASE, 2); - clk[VF610_CLK_PLL1_PFD4] = imx_clk_pfd("pll1_pfd4", "pll1_main", PFD_PLL1_BASE, 3); + clk[VF610_CLK_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", PLL1_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clk[VF610_CLK_PLL2_BYPASS_SRC] = imx_clk_mux("pll2_bypass_src", PLL2_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clk[VF610_CLK_PLL3_BYPASS_SRC] = imx_clk_mux("pll3_bypass_src", PLL3_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clk[VF610_CLK_PLL4_BYPASS_SRC] = imx_clk_mux("pll4_bypass_src", PLL4_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clk[VF610_CLK_PLL5_BYPASS_SRC] = imx_clk_mux("pll5_bypass_src", PLL5_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clk[VF610_CLK_PLL6_BYPASS_SRC] = imx_clk_mux("pll6_bypass_src", PLL6_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clk[VF610_CLK_PLL7_BYPASS_SRC] = imx_clk_mux("pll7_bypass_src", PLL7_CTRL, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); - clk[VF610_CLK_PLL2_MAIN] = imx_clk_fixed_factor("pll2_main", "fast_clk_sel", 22, 1); - clk[VF610_CLK_PLL2_PFD1] = imx_clk_pfd("pll2_pfd1", "pll2_main", PFD_PLL2_BASE, 0); - clk[VF610_CLK_PLL2_PFD2] = imx_clk_pfd("pll2_pfd2", "pll2_main", PFD_PLL2_BASE, 1); - clk[VF610_CLK_PLL2_PFD3] = imx_clk_pfd("pll2_pfd3", "pll2_main", PFD_PLL2_BASE, 2); - clk[VF610_CLK_PLL2_PFD4] = imx_clk_pfd("pll2_pfd4", "pll2_main", PFD_PLL2_BASE, 3); + clk[VF610_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll1", "pll1_bypass_src", PLL1_CTRL, 0x1); + clk[VF610_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2", "pll2_bypass_src", PLL2_CTRL, 0x1); + clk[VF610_CLK_PLL3] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3", "pll3_bypass_src", PLL3_CTRL, 0x1); + clk[VF610_CLK_PLL4] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4", "pll4_bypass_src", PLL4_CTRL, 0x7f); + clk[VF610_CLK_PLL5] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll5", "pll5_bypass_src", PLL5_CTRL, 0x3); + clk[VF610_CLK_PLL6] = imx_clk_pllv3(IMX_PLLV3_AV, "pll6", "pll6_bypass_src", PLL6_CTRL, 0x7f); + clk[VF610_CLK_PLL7] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7", "pll7_bypass_src", PLL7_CTRL, 0x1); - clk[VF610_CLK_PLL3_MAIN] = imx_clk_fixed_factor("pll3_main", "fast_clk_sel", 20, 1); - clk[VF610_CLK_PLL3_PFD1] = imx_clk_pfd("pll3_pfd1", "pll3_main", PFD_PLL3_BASE, 0); - clk[VF610_CLK_PLL3_PFD2] = imx_clk_pfd("pll3_pfd2", "pll3_main", PFD_PLL3_BASE, 1); - clk[VF610_CLK_PLL3_PFD3] = imx_clk_pfd("pll3_pfd3", "pll3_main", PFD_PLL3_BASE, 2); - clk[VF610_CLK_PLL3_PFD4] = imx_clk_pfd("pll3_pfd4", "pll3_main", PFD_PLL3_BASE, 3); + clk[VF610_PLL1_BYPASS] = imx_clk_mux_flags("pll1_bypass", PLL1_CTRL, 16, 1, pll1_bypass_sels, ARRAY_SIZE(pll1_bypass_sels), CLK_SET_RATE_PARENT); + clk[VF610_PLL2_BYPASS] = imx_clk_mux_flags("pll2_bypass", PLL2_CTRL, 16, 1, pll2_bypass_sels, ARRAY_SIZE(pll2_bypass_sels), CLK_SET_RATE_PARENT); + clk[VF610_PLL3_BYPASS] = imx_clk_mux_flags("pll3_bypass", PLL3_CTRL, 16, 1, pll3_bypass_sels, ARRAY_SIZE(pll3_bypass_sels), CLK_SET_RATE_PARENT); + clk[VF610_PLL4_BYPASS] = imx_clk_mux_flags("pll4_bypass", PLL4_CTRL, 16, 1, pll4_bypass_sels, ARRAY_SIZE(pll4_bypass_sels), CLK_SET_RATE_PARENT); + clk[VF610_PLL5_BYPASS] = imx_clk_mux_flags("pll5_bypass", PLL5_CTRL, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT); + clk[VF610_PLL6_BYPASS] = imx_clk_mux_flags("pll6_bypass", PLL6_CTRL, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT); + clk[VF610_PLL7_BYPASS] = imx_clk_mux_flags("pll7_bypass", PLL7_CTRL, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT); - clk[VF610_CLK_PLL4_MAIN] = imx_clk_fixed_factor("pll4_main", "fast_clk_sel", 25, 1); - /* Enet pll: fixed 50Mhz */ - clk[VF610_CLK_PLL5_MAIN] = imx_clk_fixed_factor("pll5_main", "fast_clk_sel", 125, 6); - /* pll6: default 960Mhz */ - clk[VF610_CLK_PLL6_MAIN] = imx_clk_fixed_factor("pll6_main", "fast_clk_sel", 40, 1); - /* pll7: USB1 PLL at 480MHz */ - clk[VF610_CLK_PLL7_MAIN] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_main", "fast_clk_sel", PLL7_CTRL, 0x2); + /* Do not bypass PLLs initially */ + clk_set_parent(clk[VF610_PLL1_BYPASS], clk[VF610_CLK_PLL1]); + clk_set_parent(clk[VF610_PLL2_BYPASS], clk[VF610_CLK_PLL2]); + clk_set_parent(clk[VF610_PLL3_BYPASS], clk[VF610_CLK_PLL3]); + clk_set_parent(clk[VF610_PLL4_BYPASS], clk[VF610_CLK_PLL4]); + clk_set_parent(clk[VF610_PLL5_BYPASS], clk[VF610_CLK_PLL5]); + clk_set_parent(clk[VF610_PLL6_BYPASS], clk[VF610_CLK_PLL6]); + clk_set_parent(clk[VF610_PLL7_BYPASS], clk[VF610_CLK_PLL7]); + + clk[VF610_CLK_PLL1_SYS] = imx_clk_gate("pll1_sys", "pll1_bypass", PLL1_CTRL, 13); + clk[VF610_CLK_PLL2_BUS] = imx_clk_gate("pll2_bus", "pll2_bypass", PLL2_CTRL, 13); + clk[VF610_CLK_PLL3_USB_OTG] = imx_clk_gate("pll3_usb_otg", "pll3_bypass", PLL3_CTRL, 13); + clk[VF610_CLK_PLL4_AUDIO] = imx_clk_gate("pll4_audio", "pll4_bypass", PLL4_CTRL, 13); + clk[VF610_CLK_PLL5_ENET] = imx_clk_gate("pll5_enet", "pll5_bypass", PLL5_CTRL, 13); + clk[VF610_CLK_PLL6_VIDEO] = imx_clk_gate("pll6_video", "pll6_bypass", PLL6_CTRL, 13); + clk[VF610_CLK_PLL7_USB_HOST] = imx_clk_gate("pll7_usb_host", "pll7_bypass", PLL7_CTRL, 13); + + clk[VF610_CLK_LVDS1_IN] = imx_clk_gate_exclusive("lvds1_in", "anaclk1", ANA_MISC1, 12, BIT(10)); + + clk[VF610_CLK_PLL1_PFD1] = imx_clk_pfd("pll1_pfd1", "pll1_sys", PFD_PLL1_BASE, 0); + clk[VF610_CLK_PLL1_PFD2] = imx_clk_pfd("pll1_pfd2", "pll1_sys", PFD_PLL1_BASE, 1); + clk[VF610_CLK_PLL1_PFD3] = imx_clk_pfd("pll1_pfd3", "pll1_sys", PFD_PLL1_BASE, 2); + clk[VF610_CLK_PLL1_PFD4] = imx_clk_pfd("pll1_pfd4", "pll1_sys", PFD_PLL1_BASE, 3); + + clk[VF610_CLK_PLL2_PFD1] = imx_clk_pfd("pll2_pfd1", "pll2_bus", PFD_PLL2_BASE, 0); + clk[VF610_CLK_PLL2_PFD2] = imx_clk_pfd("pll2_pfd2", "pll2_bus", PFD_PLL2_BASE, 1); + clk[VF610_CLK_PLL2_PFD3] = imx_clk_pfd("pll2_pfd3", "pll2_bus", PFD_PLL2_BASE, 2); + clk[VF610_CLK_PLL2_PFD4] = imx_clk_pfd("pll2_pfd4", "pll2_bus", PFD_PLL2_BASE, 3); + + clk[VF610_CLK_PLL3_PFD1] = imx_clk_pfd("pll3_pfd1", "pll3_usb_otg", PFD_PLL3_BASE, 0); + clk[VF610_CLK_PLL3_PFD2] = imx_clk_pfd("pll3_pfd2", "pll3_usb_otg", PFD_PLL3_BASE, 1); + clk[VF610_CLK_PLL3_PFD3] = imx_clk_pfd("pll3_pfd3", "pll3_usb_otg", PFD_PLL3_BASE, 2); + clk[VF610_CLK_PLL3_PFD4] = imx_clk_pfd("pll3_pfd4", "pll3_usb_otg", PFD_PLL3_BASE, 3); clk[VF610_CLK_PLL1_PFD_SEL] = imx_clk_mux("pll1_pfd_sel", CCM_CCSR, 16, 3, pll1_sels, 5); clk[VF610_CLK_PLL2_PFD_SEL] = imx_clk_mux("pll2_pfd_sel", CCM_CCSR, 19, 3, pll2_sels, 5); @@ -167,12 +217,12 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_PLATFORM_BUS] = imx_clk_divider("platform_bus", "sys_bus", CCM_CACRR, 3, 3); clk[VF610_CLK_IPG_BUS] = imx_clk_divider("ipg_bus", "platform_bus", CCM_CACRR, 11, 2); - clk[VF610_CLK_PLL3_MAIN_DIV] = imx_clk_divider("pll3_main_div", "pll3_main", CCM_CACRR, 20, 1); - clk[VF610_CLK_PLL4_MAIN_DIV] = clk_register_divider_table(NULL, "pll4_main_div", "pll4_main", 0, CCM_CACRR, 6, 3, 0, pll4_main_div_table, &imx_ccm_lock); - clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_main_div", "pll6_main", CCM_CACRR, 21, 1); + clk[VF610_CLK_PLL3_MAIN_DIV] = imx_clk_divider("pll3_usb_otg_div", "pll3_usb_otg", CCM_CACRR, 20, 1); + clk[VF610_CLK_PLL4_MAIN_DIV] = clk_register_divider_table(NULL, "pll4_audio_div", "pll4_audio", 0, CCM_CACRR, 6, 3, 0, pll4_audio_div_table, &imx_ccm_lock); + clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_video_div", "pll6_video", CCM_CACRR, 21, 1); - clk[VF610_CLK_USBPHY0] = imx_clk_gate("usbphy0", "pll3_main", PLL3_CTRL, 6); - clk[VF610_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll7_main", PLL7_CTRL, 6); + clk[VF610_CLK_USBPHY0] = imx_clk_gate("usbphy0", "pll3_usb_otg", PLL3_CTRL, 6); + clk[VF610_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll7_usb_host", PLL7_CTRL, 6); clk[VF610_CLK_USBC0] = imx_clk_gate2("usbc0", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(4)); clk[VF610_CLK_USBC1] = imx_clk_gate2("usbc1", "ipg_bus", CCM_CCGR7, CCM_CCGRx_CGn(4)); @@ -191,8 +241,8 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_QSPI1_X1_DIV] = imx_clk_divider("qspi1_x1", "qspi1_x2", CCM_CSCDR3, 11, 1); clk[VF610_CLK_QSPI1] = imx_clk_gate2("qspi1", "qspi1_x1", CCM_CCGR8, CCM_CCGRx_CGn(4)); - clk[VF610_CLK_ENET_50M] = imx_clk_fixed_factor("enet_50m", "pll5_main", 1, 10); - clk[VF610_CLK_ENET_25M] = imx_clk_fixed_factor("enet_25m", "pll5_main", 1, 20); + clk[VF610_CLK_ENET_50M] = imx_clk_fixed_factor("enet_50m", "pll5_enet", 1, 10); + clk[VF610_CLK_ENET_25M] = imx_clk_fixed_factor("enet_25m", "pll5_enet", 1, 20); clk[VF610_CLK_ENET_SEL] = imx_clk_mux("enet_sel", CCM_CSCMR2, 4, 2, rmii_sels, 4); clk[VF610_CLK_ENET_TS_SEL] = imx_clk_mux("enet_ts_sel", CCM_CSCMR2, 0, 3, enet_ts_sels, 7); clk[VF610_CLK_ENET] = imx_clk_gate("enet", "enet_sel", CCM_CSCDR1, 24); diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h index 559c69a47731..7d11979da030 100644 --- a/arch/arm/mach-ixp4xx/include/mach/io.h +++ b/arch/arm/mach-ixp4xx/include/mach/io.h @@ -76,7 +76,7 @@ static inline void __indirect_writeb(u8 value, volatile void __iomem *p) u32 n, byte_enables, data; if (!is_pci_memory(addr)) { - __raw_writeb(value, addr); + __raw_writeb(value, p); return; } @@ -141,7 +141,7 @@ static inline unsigned char __indirect_readb(const volatile void __iomem *p) u32 n, byte_enables, data; if (!is_pci_memory(addr)) - return __raw_readb(addr); + return __raw_readb(p); n = addr % 4; byte_enables = (0xf & ~BIT(n)) << IXP4XX_PCI_NP_CBE_BESL; diff --git a/arch/arm/mach-mvebu/board-v7.c b/arch/arm/mach-mvebu/board-v7.c index 6478626e3ff6..d0d39f150fab 100644 --- a/arch/arm/mach-mvebu/board-v7.c +++ b/arch/arm/mach-mvebu/board-v7.c @@ -188,7 +188,7 @@ static void __init thermal_quirk(void) static void __init mvebu_dt_init(void) { - if (of_machine_is_compatible("plathome,openblocks-ax3-4")) + if (of_machine_is_compatible("marvell,armadaxp")) i2c_quirk(); if (of_machine_is_compatible("marvell,a375-db")) { external_abort_quirk(); diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index d22c30d3ccfa..8c58b71c2727 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -917,6 +917,10 @@ static int __init omap_device_late_idle(struct device *dev, void *data) static int __init omap_device_late_init(void) { bus_for_each_dev(&platform_bus_type, NULL, NULL, omap_device_late_idle); + + WARN(!of_have_populated_dt(), + "legacy booting deprecated, please update to boot with .dts\n"); + return 0; } omap_late_initcall_sync(omap_device_late_init); diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index c95346c94829..cec9d6c6442c 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -252,9 +252,6 @@ static void __init nokia_n900_legacy_init(void) platform_device_register(&omap3_rom_rng_device); } - - /* Only on some development boards */ - gpio_request_one(164, GPIOF_OUT_INIT_LOW, "smc91x reset"); } static void __init omap3_tao3530_legacy_init(void) diff --git a/arch/arm/mach-pxa/include/mach/addr-map.h b/arch/arm/mach-pxa/include/mach/addr-map.h index bbf9df37ad4b..d28fe291233a 100644 --- a/arch/arm/mach-pxa/include/mach/addr-map.h +++ b/arch/arm/mach-pxa/include/mach/addr-map.h @@ -38,6 +38,11 @@ #define DMEMC_VIRT IOMEM(0xf6100000) #define DMEMC_SIZE 0x00100000 +/* + * Reserved space for low level debug virtual addresses within + * 0xf6200000..0xf6201000 + */ + /* * Internal Memory Controller (PXA27x and later) */ diff --git a/arch/arm/mach-socfpga/core.h b/arch/arm/mach-socfpga/core.h index 572b8f719ffb..60c443dadb58 100644 --- a/arch/arm/mach-socfpga/core.h +++ b/arch/arm/mach-socfpga/core.h @@ -40,7 +40,7 @@ extern void __iomem *rst_manager_base_addr; extern struct smp_operations socfpga_smp_ops; extern char secondary_trampoline, secondary_trampoline_end; -extern unsigned long cpu1start_addr; +extern unsigned long socfpga_cpu1start_addr; #define SOCFPGA_SCU_VIRT_BASE 0xfffec000 diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S index 95c115d8b5ee..f65ea0af4af3 100644 --- a/arch/arm/mach-socfpga/headsmp.S +++ b/arch/arm/mach-socfpga/headsmp.S @@ -9,21 +9,26 @@ */ #include #include +#include .arch armv7-a ENTRY(secondary_trampoline) - movw r2, #:lower16:cpu1start_addr - movt r2, #:upper16:cpu1start_addr - - /* The socfpga VT cannot handle a 0xC0000000 page offset when loading - the cpu1start_addr, we bit clear it. Tested on HW and VT. */ - bic r2, r2, #0x40000000 - - ldr r0, [r2] - ldr r1, [r0] - bx r1 + /* CPU1 will always fetch from 0x0 when it is brought out of reset. + * Thus, we can just subtract the PAGE_OFFSET to get the physical + * address of &cpu1start_addr. This would not work for platforms + * where the physical memory does not start at 0x0. + */ + adr r0, 1f + ldmia r0, {r1, r2} + sub r2, r2, #PAGE_OFFSET + ldr r3, [r2] + ldr r4, [r3] + bx r4 + .align +1: .long . + .long socfpga_cpu1start_addr ENTRY(secondary_trampoline_end) ENTRY(socfpga_secondary_startup) diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c index 5356a72bc8ce..16ca97b039f9 100644 --- a/arch/arm/mach-socfpga/platsmp.c +++ b/arch/arm/mach-socfpga/platsmp.c @@ -33,11 +33,11 @@ static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle) { int trampoline_size = &secondary_trampoline_end - &secondary_trampoline; - if (cpu1start_addr) { + if (socfpga_cpu1start_addr) { memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size); __raw_writel(virt_to_phys(socfpga_secondary_startup), - (sys_manager_base_addr + (cpu1start_addr & 0x000000ff))); + (sys_manager_base_addr + (socfpga_cpu1start_addr & 0x000000ff))); flush_cache_all(); smp_wmb(); diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c index adbf38314ca8..383d61e138af 100644 --- a/arch/arm/mach-socfpga/socfpga.c +++ b/arch/arm/mach-socfpga/socfpga.c @@ -29,7 +29,7 @@ void __iomem *socfpga_scu_base_addr = ((void __iomem *)(SOCFPGA_SCU_VIRT_BASE)); void __iomem *sys_manager_base_addr; void __iomem *rst_manager_base_addr; -unsigned long cpu1start_addr; +unsigned long socfpga_cpu1start_addr; static struct map_desc scu_io_desc __initdata = { .virtual = SOCFPGA_SCU_VIRT_BASE, @@ -70,7 +70,7 @@ void __init socfpga_sysmgr_init(void) np = of_find_compatible_node(NULL, NULL, "altr,sys-mgr"); if (of_property_read_u32(np, "cpu1-start-addr", - (u32 *) &cpu1start_addr)) + (u32 *) &socfpga_cpu1start_addr)) pr_err("SMP: Need cpu1-start-addr in device tree.\n"); sys_manager_base_addr = of_iomap(np, 0); diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index ae69809a9e47..7eb94e6fc376 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -798,6 +798,7 @@ config NEED_KUSER_HELPERS config KUSER_HELPERS bool "Enable kuser helpers in vector page" if !NEED_KUSER_HELPERS + depends on MMU default y help Warning: disabling this option may break user programs. diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 55f9d6e0cc88..5e65ca8dea62 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -956,7 +956,7 @@ static u32 cache_id_part_number_from_dt; * @associativity: variable to return the calculated associativity in * @max_way_size: the maximum size in bytes for the cache ways */ -static void __init l2x0_cache_size_of_parse(const struct device_node *np, +static int __init l2x0_cache_size_of_parse(const struct device_node *np, u32 *aux_val, u32 *aux_mask, u32 *associativity, u32 max_way_size) @@ -974,7 +974,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np, of_property_read_u32(np, "cache-line-size", &line_size); if (!cache_size || !sets) - return; + return -ENODEV; /* All these l2 caches have the same line = block size actually */ if (!line_size) { @@ -1009,7 +1009,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np, if (way_size > max_way_size) { pr_err("L2C OF: set size %dKB is too large\n", way_size); - return; + return -EINVAL; } pr_info("L2C OF: override cache size: %d bytes (%dKB)\n", @@ -1027,7 +1027,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np, if (way_size_bits < 1 || way_size_bits > 6) { pr_err("L2C OF: cache way size illegal: %dKB is not mapped\n", way_size); - return; + return -EINVAL; } mask |= L2C_AUX_CTRL_WAY_SIZE_MASK; @@ -1036,6 +1036,8 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np, *aux_val &= ~mask; *aux_val |= val; *aux_mask &= ~mask; + + return 0; } static void __init l2x0_of_parse(const struct device_node *np, @@ -1046,6 +1048,7 @@ static void __init l2x0_of_parse(const struct device_node *np, u32 dirty = 0; u32 val = 0, mask = 0; u32 assoc; + int ret; of_property_read_u32(np, "arm,tag-latency", &tag); if (tag) { @@ -1068,7 +1071,10 @@ static void __init l2x0_of_parse(const struct device_node *np, val |= (dirty - 1) << L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT; } - l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_256K); + ret = l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_256K); + if (ret) + return; + if (assoc > 8) { pr_err("l2x0 of: cache setting yield too high associativity\n"); pr_err("l2x0 of: %d calculated, max 8\n", assoc); @@ -1125,6 +1131,7 @@ static void __init l2c310_of_parse(const struct device_node *np, u32 tag[3] = { 0, 0, 0 }; u32 filter[2] = { 0, 0 }; u32 assoc; + int ret; of_property_read_u32_array(np, "arm,tag-latency", tag, ARRAY_SIZE(tag)); if (tag[0] && tag[1] && tag[2]) @@ -1152,7 +1159,10 @@ static void __init l2c310_of_parse(const struct device_node *np, l2x0_base + L310_ADDR_FILTER_START); } - l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_512K); + ret = l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_512K); + if (ret) + return; + switch (assoc) { case 16: *aux_val &= ~L2X0_AUX_CTRL_ASSOC_MASK; @@ -1164,8 +1174,8 @@ static void __init l2c310_of_parse(const struct device_node *np, *aux_mask &= ~L2X0_AUX_CTRL_ASSOC_MASK; break; default: - pr_err("PL310 OF: cache setting yield illegal associativity\n"); - pr_err("PL310 OF: %d calculated, only 8 and 16 legal\n", assoc); + pr_err("L2C-310 OF cache associativity %d invalid, only 8 or 16 permitted\n", + assoc); break; } } diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index c245d903927f..e8907117861e 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1198,7 +1198,6 @@ __iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot, { return dma_common_pages_remap(pages, size, VM_ARM_DMA_CONSISTENT | VM_USERMAP, prot, caller); - return NULL; } /* diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index 45aeaaca9052..e17ed00828d7 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -127,8 +127,11 @@ void *kmap_atomic_pfn(unsigned long pfn) { unsigned long vaddr; int idx, type; + struct page *page = pfn_to_page(pfn); pagefault_disable(); + if (!PageHighMem(page)) + return page_address(page); type = kmap_atomic_idx_push(); idx = type + KM_TYPE_NR * smp_processor_id(); diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 92bba32d9230..9481f85c56e6 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -559,10 +559,10 @@ void __init mem_init(void) #ifdef CONFIG_MODULES " modules : 0x%08lx - 0x%08lx (%4ld MB)\n" #endif - " .text : 0x%p" " - 0x%p" " (%4d kB)\n" - " .init : 0x%p" " - 0x%p" " (%4d kB)\n" - " .data : 0x%p" " - 0x%p" " (%4d kB)\n" - " .bss : 0x%p" " - 0x%p" " (%4d kB)\n", + " .text : 0x%p" " - 0x%p" " (%4td kB)\n" + " .init : 0x%p" " - 0x%p" " (%4td kB)\n" + " .data : 0x%p" " - 0x%p" " (%4td kB)\n" + " .bss : 0x%p" " - 0x%p" " (%4td kB)\n", MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) + (PAGE_SIZE)), diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c index b61a3bcc2fa8..e048f6198d68 100644 --- a/arch/arm/plat-orion/gpio.c +++ b/arch/arm/plat-orion/gpio.c @@ -497,6 +497,34 @@ static void orion_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) #define orion_gpio_dbg_show NULL #endif +static void orion_gpio_unmask_irq(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct irq_chip_type *ct = irq_data_get_chip_type(d); + u32 reg_val; + u32 mask = d->mask; + + irq_gc_lock(gc); + reg_val = irq_reg_readl(gc->reg_base + ct->regs.mask); + reg_val |= mask; + irq_reg_writel(reg_val, gc->reg_base + ct->regs.mask); + irq_gc_unlock(gc); +} + +static void orion_gpio_mask_irq(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct irq_chip_type *ct = irq_data_get_chip_type(d); + u32 mask = d->mask; + u32 reg_val; + + irq_gc_lock(gc); + reg_val = irq_reg_readl(gc->reg_base + ct->regs.mask); + reg_val &= ~mask; + irq_reg_writel(reg_val, gc->reg_base + ct->regs.mask); + irq_gc_unlock(gc); +} + void __init orion_gpio_init(struct device_node *np, int gpio_base, int ngpio, void __iomem *base, int mask_offset, @@ -565,8 +593,8 @@ void __init orion_gpio_init(struct device_node *np, ct = gc->chip_types; ct->regs.mask = ochip->mask_offset + GPIO_LEVEL_MASK_OFF; ct->type = IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW; - ct->chip.irq_mask = irq_gc_mask_clr_bit; - ct->chip.irq_unmask = irq_gc_mask_set_bit; + ct->chip.irq_mask = orion_gpio_mask_irq; + ct->chip.irq_unmask = orion_gpio_unmask_irq; ct->chip.irq_set_type = gpio_irq_set_type; ct->chip.name = ochip->chip.label; @@ -575,8 +603,8 @@ void __init orion_gpio_init(struct device_node *np, ct->regs.ack = GPIO_EDGE_CAUSE_OFF; ct->type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING; ct->chip.irq_ack = irq_gc_ack_clr_bit; - ct->chip.irq_mask = irq_gc_mask_clr_bit; - ct->chip.irq_unmask = irq_gc_mask_set_bit; + ct->chip.irq_mask = orion_gpio_mask_irq; + ct->chip.irq_unmask = orion_gpio_unmask_irq; ct->chip.irq_set_type = gpio_irq_set_type; ct->handler = handle_edge_irq; ct->chip.name = ochip->chip.label; diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index ac9afde76dea..9532f8d5857e 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1,5 +1,6 @@ config ARM64 def_bool y + select ARCH_BINFMT_ELF_RANDOMIZE_PIE select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select ARCH_HAS_SG_CHAIN select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST @@ -232,7 +233,7 @@ config ARM64_VA_BITS_42 config ARM64_VA_BITS_48 bool "48-bit" - depends on BROKEN + depends on !ARM_SMMU endchoice diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi index 295c72d52a1f..f1ad9c2ab2e9 100644 --- a/arch/arm64/boot/dts/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm-storm.dtsi @@ -599,7 +599,7 @@ menet: ethernet@17020000 { compatible = "apm,xgene-enet"; status = "disabled"; reg = <0x0 0x17020000 0x0 0xd100>, - <0x0 0X17030000 0x0 0X400>, + <0x0 0X17030000 0x0 0Xc300>, <0x0 0X10000000 0x0 0X200>; reg-names = "enet_csr", "ring_csr", "ring_cmd"; interrupts = <0x0 0x3c 0x4>; @@ -624,9 +624,9 @@ menetphy: menetphy@3 { sgenet0: ethernet@1f210000 { compatible = "apm,xgene-enet"; status = "disabled"; - reg = <0x0 0x1f210000 0x0 0x10000>, - <0x0 0x1f200000 0x0 0X10000>, - <0x0 0x1B000000 0x0 0X20000>; + reg = <0x0 0x1f210000 0x0 0xd100>, + <0x0 0x1f200000 0x0 0Xc300>, + <0x0 0x1B000000 0x0 0X200>; reg-names = "enet_csr", "ring_csr", "ring_cmd"; interrupts = <0x0 0xA0 0x4>; dma-coherent; @@ -639,7 +639,7 @@ xgenet: ethernet@1f610000 { compatible = "apm,xgene-enet"; status = "disabled"; reg = <0x0 0x1f610000 0x0 0xd100>, - <0x0 0x1f600000 0x0 0X400>, + <0x0 0x1f600000 0x0 0Xc300>, <0x0 0x18000000 0x0 0X200>; reg-names = "enet_csr", "ring_csr", "ring_cmd"; interrupts = <0x0 0x60 0x4>; diff --git a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi index ac2cb2418025..c46cbb29f3c6 100644 --- a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi +++ b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi @@ -22,7 +22,7 @@ flash@0,00000000 { bank-width = <4>; }; - vram@2,00000000 { + v2m_video_ram: vram@2,00000000 { compatible = "arm,vexpress-vram"; reg = <2 0x00000000 0x00800000>; }; @@ -179,9 +179,42 @@ rtc@170000 { clcd@1f0000 { compatible = "arm,pl111", "arm,primecell"; reg = <0x1f0000 0x1000>; + interrupt-names = "combined"; interrupts = <14>; clocks = <&v2m_oscclk1>, <&v2m_clk24mhz>; clock-names = "clcdclk", "apb_pclk"; + arm,pl11x,framebuffer = <0x18000000 0x00180000>; + memory-region = <&v2m_video_ram>; + max-memory-bandwidth = <130000000>; /* 16bpp @ 63.5MHz */ + + port { + v2m_clcd_pads: endpoint { + remote-endpoint = <&v2m_clcd_panel>; + arm,pl11x,tft-r0g0b0-pads = <0 8 16>; + }; + }; + + panel { + compatible = "panel-dpi"; + + port { + v2m_clcd_panel: endpoint { + remote-endpoint = <&v2m_clcd_pads>; + }; + }; + + panel-timing { + clock-frequency = <63500127>; + hactive = <1024>; + hback-porch = <152>; + hfront-porch = <48>; + hsync-len = <104>; + vactive = <768>; + vback-porch = <23>; + vfront-porch = <3>; + vsync-len = <4>; + }; + }; }; virtio_block@0130000 { diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 9cd37de9aa8d..dd301be89ecc 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -35,6 +35,9 @@ CONFIG_MODULE_UNLOAD=y CONFIG_ARCH_THUNDER=y CONFIG_ARCH_VEXPRESS=y CONFIG_ARCH_XGENE=y +CONFIG_PCI=y +CONFIG_PCI_MSI=y +CONFIG_PCI_XGENE=y CONFIG_SMP=y CONFIG_PREEMPT=y CONFIG_KSM=y @@ -52,6 +55,7 @@ CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y # CONFIG_INET_LRO is not set # CONFIG_IPV6 is not set +CONFIG_BPF_JIT=y # CONFIG_WIRELESS is not set CONFIG_NET_9P=y CONFIG_NET_9P_VIRTIO=y @@ -65,19 +69,21 @@ CONFIG_VIRTIO_BLK=y CONFIG_BLK_DEV_SD=y # CONFIG_SCSI_LOWLEVEL is not set CONFIG_ATA=y +CONFIG_SATA_AHCI=y +CONFIG_SATA_AHCI_PLATFORM=y CONFIG_AHCI_XGENE=y -CONFIG_PHY_XGENE=y CONFIG_PATA_PLATFORM=y CONFIG_PATA_OF_PLATFORM=y CONFIG_NETDEVICES=y CONFIG_TUN=y CONFIG_VIRTIO_NET=y +CONFIG_NET_XGENE=y CONFIG_SMC91X=y CONFIG_SMSC911X=y -CONFIG_NET_XGENE=y # CONFIG_WLAN is not set CONFIG_INPUT_EVDEV=y # CONFIG_SERIO_SERPORT is not set +CONFIG_SERIO_AMBAKMI=y CONFIG_LEGACY_PTY_COUNT=16 CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y @@ -86,22 +92,40 @@ CONFIG_SERIAL_AMBA_PL011_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y CONFIG_VIRTIO_CONSOLE=y # CONFIG_HW_RANDOM is not set +# CONFIG_HMC_DRV is not set +CONFIG_SPI=y +CONFIG_SPI_PL022=y +CONFIG_GPIO_PL061=y +CONFIG_GPIO_XGENE=y # CONFIG_HWMON is not set CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_FB=y +CONFIG_FB_ARMCLCD=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_USB=y +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_EHCI_HCD_PLATFORM=y CONFIG_USB_ISP1760_HCD=y +CONFIG_USB_OHCI_HCD=y +CONFIG_USB_OHCI_HCD_PLATFORM=y CONFIG_USB_STORAGE=y +CONFIG_USB_ULPI=y CONFIG_MMC=y CONFIG_MMC_ARMMMCI=y +CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_MMC_SPI=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_EFI=y +CONFIG_RTC_DRV_XGENE=y CONFIG_VIRTIO_BALLOON=y CONFIG_VIRTIO_MMIO=y # CONFIG_IOMMU_SUPPORT is not set +CONFIG_PHY_XGENE=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 253e33bc94fb..56de5aadede2 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -37,8 +37,8 @@ typedef s32 compat_ssize_t; typedef s32 compat_time_t; typedef s32 compat_clock_t; typedef s32 compat_pid_t; -typedef u32 __compat_uid_t; -typedef u32 __compat_gid_t; +typedef u16 __compat_uid_t; +typedef u16 __compat_gid_t; typedef u16 __compat_uid16_t; typedef u16 __compat_gid16_t; typedef u32 __compat_uid32_t; diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h index 01d3aab64b79..1f65be393139 100644 --- a/arch/arm64/include/asm/elf.h +++ b/arch/arm64/include/asm/elf.h @@ -126,7 +126,7 @@ typedef struct user_fpsimd_state elf_fpregset_t; * that it will "exec", and that there is sufficient room for the brk. */ extern unsigned long randomize_et_dyn(unsigned long base); -#define ELF_ET_DYN_BASE (randomize_et_dyn(2 * TASK_SIZE_64 / 3)) +#define ELF_ET_DYN_BASE (2 * TASK_SIZE_64 / 3) /* * When the program starts, a1 contains a pointer to a function to be @@ -169,7 +169,7 @@ extern unsigned long arch_randomize_brk(struct mm_struct *mm); #define COMPAT_ELF_PLATFORM ("v8l") #endif -#define COMPAT_ELF_ET_DYN_BASE (randomize_et_dyn(2 * TASK_SIZE_32 / 3)) +#define COMPAT_ELF_ET_DYN_BASE (2 * TASK_SIZE_32 / 3) /* AArch32 registers. */ #define COMPAT_ELF_NGREG 18 diff --git a/arch/arm64/include/asm/irq_work.h b/arch/arm64/include/asm/irq_work.h index 8e24ef3f7c82..b4f6b19a8a68 100644 --- a/arch/arm64/include/asm/irq_work.h +++ b/arch/arm64/include/asm/irq_work.h @@ -1,6 +1,8 @@ #ifndef __ASM_IRQ_WORK_H #define __ASM_IRQ_WORK_H +#ifdef CONFIG_SMP + #include static inline bool arch_irq_work_has_interrupt(void) @@ -8,4 +10,13 @@ static inline bool arch_irq_work_has_interrupt(void) return !!__smp_cross_call; } +#else + +static inline bool arch_irq_work_has_interrupt(void) +{ + return false; +} + +#endif + #endif /* __ASM_IRQ_WORK_H */ diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index ccc7087d3c4e..a62cd077457b 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -142,7 +142,7 @@ static inline void *phys_to_virt(phys_addr_t x) * virt_to_page(k) convert a _valid_ virtual address to struct page * * virt_addr_valid(k) indicates whether a virtual address is valid */ -#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET +#define ARCH_PFN_OFFSET ((unsigned long)PHYS_PFN_OFFSET) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index da1f06b535e3..9dfdac4a74a1 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -792,3 +792,5 @@ __SYSCALL(__NR_renameat2, sys_renameat2) __SYSCALL(__NR_getrandom, sys_getrandom) #define __NR_memfd_create 385 __SYSCALL(__NR_memfd_create, sys_memfd_create) +#define __NR_bpf 386 +__SYSCALL(__NR_bpf, sys_bpf) diff --git a/arch/arm64/kernel/efi-entry.S b/arch/arm64/kernel/efi-entry.S index 619b1dd7bcde..d18a44940968 100644 --- a/arch/arm64/kernel/efi-entry.S +++ b/arch/arm64/kernel/efi-entry.S @@ -54,18 +54,17 @@ ENTRY(efi_stub_entry) b.eq efi_load_fail /* - * efi_entry() will have relocated the kernel image if necessary - * and we return here with device tree address in x0 and the kernel - * entry point stored at *image_addr. Save those values in registers - * which are callee preserved. + * efi_entry() will have copied the kernel image if necessary and we + * return here with device tree address in x0 and the kernel entry + * point stored at *image_addr. Save those values in registers which + * are callee preserved. */ mov x20, x0 // DTB address ldr x0, [sp, #16] // relocated _text address mov x21, x0 /* - * Flush dcache covering current runtime addresses - * of kernel text/data. Then flush all of icache. + * Calculate size of the kernel Image (same for original and copy). */ adrp x1, _text add x1, x1, #:lo12:_text @@ -73,9 +72,24 @@ ENTRY(efi_stub_entry) add x2, x2, #:lo12:_edata sub x1, x2, x1 + /* + * Flush the copied Image to the PoC, and ensure it is not shadowed by + * stale icache entries from before relocation. + */ bl __flush_dcache_area ic ialluis + /* + * Ensure that the rest of this function (in the original Image) is + * visible when the caches are disabled. The I-cache can't have stale + * entries for the VA range of the current image, so no maintenance is + * necessary. + */ + adr x0, efi_stub_entry + adr x1, efi_stub_entry_end + sub x1, x1, x0 + bl __flush_dcache_area + /* Turn off Dcache and MMU */ mrs x0, CurrentEL cmp x0, #CurrentEL_EL2 @@ -105,4 +119,5 @@ efi_load_fail: ldp x29, x30, [sp], #32 ret +efi_stub_entry_end: ENDPROC(efi_stub_entry) diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index 03aaa99e1ea0..95c49ebc660d 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -89,7 +89,8 @@ static int __init uefi_init(void) */ if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) { pr_err("System table signature incorrect\n"); - return -EINVAL; + retval = -EINVAL; + goto out; } if ((efi.systab->hdr.revision >> 16) < 2) pr_warn("Warning: EFI system table version %d.%02d, expected 2.00 or greater\n", @@ -103,6 +104,7 @@ static int __init uefi_init(void) for (i = 0; i < (int) sizeof(vendor) - 1 && *c16; ++i) vendor[i] = c16[i]; vendor[i] = '\0'; + early_memunmap(c16, sizeof(vendor)); } pr_info("EFI v%u.%.02u by %s\n", @@ -113,29 +115,11 @@ static int __init uefi_init(void) if (retval == 0) set_bit(EFI_CONFIG_TABLES, &efi.flags); - early_memunmap(c16, sizeof(vendor)); +out: early_memunmap(efi.systab, sizeof(efi_system_table_t)); - return retval; } -static __initdata char memory_type_name[][32] = { - {"Reserved"}, - {"Loader Code"}, - {"Loader Data"}, - {"Boot Code"}, - {"Boot Data"}, - {"Runtime Code"}, - {"Runtime Data"}, - {"Conventional Memory"}, - {"Unusable Memory"}, - {"ACPI Reclaim Memory"}, - {"ACPI Memory NVS"}, - {"Memory Mapped I/O"}, - {"MMIO Port Space"}, - {"PAL Code"}, -}; - /* * Return true for RAM regions we want to permanently reserve. */ @@ -166,10 +150,13 @@ static __init void reserve_regions(void) paddr = md->phys_addr; npages = md->num_pages; - if (uefi_debug) - pr_info(" 0x%012llx-0x%012llx [%s]", + if (uefi_debug) { + char buf[64]; + + pr_info(" 0x%012llx-0x%012llx %s", paddr, paddr + (npages << EFI_PAGE_SHIFT) - 1, - memory_type_name[md->type]); + efi_md_typeattr_format(buf, sizeof(buf), md)); + } memrange_efi_to_native(&paddr, &npages); size = npages << PAGE_SHIFT; @@ -393,11 +380,16 @@ static int __init arm64_enter_virtual_mode(void) return -1; } - pr_info("Remapping and enabling EFI services.\n"); - - /* replace early memmap mapping with permanent mapping */ mapsize = memmap.map_end - memmap.map; early_memunmap(memmap.map, mapsize); + + if (efi_runtime_disabled()) { + pr_info("EFI runtime services will be disabled.\n"); + return -1; + } + + pr_info("Remapping and enabling EFI services.\n"); + /* replace early memmap mapping with permanent mapping */ memmap.map = (__force void *)ioremap_cache((phys_addr_t)memmap.phys_map, mapsize); memmap.map_end = memmap.map + mapsize; diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c index e007714ded04..8cd27fedc8b6 100644 --- a/arch/arm64/kernel/insn.c +++ b/arch/arm64/kernel/insn.c @@ -163,9 +163,10 @@ static int __kprobes aarch64_insn_patch_text_cb(void *arg) * which ends with "dsb; isb" pair guaranteeing global * visibility. */ - atomic_set(&pp->cpu_count, -1); + /* Notify other processors with an additional increment. */ + atomic_inc(&pp->cpu_count); } else { - while (atomic_read(&pp->cpu_count) != -1) + while (atomic_read(&pp->cpu_count) <= num_online_cpus()) cpu_relax(); isb(); } diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index c3065dbc4fa2..fde9923af859 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -378,8 +378,3 @@ unsigned long arch_randomize_brk(struct mm_struct *mm) { return randomize_base(mm->brk); } - -unsigned long randomize_et_dyn(unsigned long base) -{ - return randomize_base(base); -} diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c index 866c1c821860..663da771580a 100644 --- a/arch/arm64/kernel/psci.c +++ b/arch/arm64/kernel/psci.c @@ -528,7 +528,7 @@ static int __maybe_unused cpu_psci_cpu_suspend(unsigned long index) if (WARN_ON_ONCE(!index)) return -EINVAL; - if (state->type == PSCI_POWER_STATE_TYPE_STANDBY) + if (state[index - 1].type == PSCI_POWER_STATE_TYPE_STANDBY) ret = psci_ops.cpu_suspend(state[index - 1], 0); else ret = __cpu_suspend(index, psci_suspend_finisher); diff --git a/arch/arm64/lib/clear_user.S b/arch/arm64/lib/clear_user.S index 6e0ed93d51fe..c17967fdf5f6 100644 --- a/arch/arm64/lib/clear_user.S +++ b/arch/arm64/lib/clear_user.S @@ -46,7 +46,7 @@ USER(9f, strh wzr, [x0], #2 ) sub x1, x1, #2 4: adds x1, x1, #1 b.mi 5f - strb wzr, [x0] +USER(9f, strb wzr, [x0] ) 5: mov x0, #0 ret ENDPROC(__clear_user) diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c index fa324bd5a5c4..4a07630a6616 100644 --- a/arch/arm64/mm/ioremap.c +++ b/arch/arm64/mm/ioremap.c @@ -105,10 +105,10 @@ EXPORT_SYMBOL(ioremap_cache); static pte_t bm_pte[PTRS_PER_PTE] __page_aligned_bss; #if CONFIG_ARM64_PGTABLE_LEVELS > 2 -static pte_t bm_pmd[PTRS_PER_PMD] __page_aligned_bss; +static pmd_t bm_pmd[PTRS_PER_PMD] __page_aligned_bss; #endif #if CONFIG_ARM64_PGTABLE_LEVELS > 3 -static pte_t bm_pud[PTRS_PER_PUD] __page_aligned_bss; +static pud_t bm_pud[PTRS_PER_PUD] __page_aligned_bss; #endif static inline pud_t * __init early_ioremap_pud(unsigned long addr) diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 6894ef3e6234..f4f8b500f74c 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -202,7 +202,7 @@ static void __init alloc_init_pmd(pud_t *pud, unsigned long addr, } static void __init alloc_init_pud(pgd_t *pgd, unsigned long addr, - unsigned long end, unsigned long phys, + unsigned long end, phys_addr_t phys, int map_io) { pud_t *pud; @@ -297,11 +297,15 @@ static void __init map_mem(void) * create_mapping requires puds, pmds and ptes to be allocated from * memory addressable from the initial direct kernel mapping. * - * The initial direct kernel mapping, located at swapper_pg_dir, - * gives us PUD_SIZE memory starting from PHYS_OFFSET (which must be - * aligned to 2MB as per Documentation/arm64/booting.txt). + * The initial direct kernel mapping, located at swapper_pg_dir, gives + * us PUD_SIZE (4K pages) or PMD_SIZE (64K pages) memory starting from + * PHYS_OFFSET (which must be aligned to 2MB as per + * Documentation/arm64/booting.txt). */ - limit = PHYS_OFFSET + PUD_SIZE; + if (IS_ENABLED(CONFIG_ARM64_64K_PAGES)) + limit = PHYS_OFFSET + PMD_SIZE; + else + limit = PHYS_OFFSET + PUD_SIZE; memblock_set_current_limit(limit); /* map all the memory banks */ diff --git a/arch/arm64/mm/pgd.c b/arch/arm64/mm/pgd.c index 62c6101df260..6682b361d3ac 100644 --- a/arch/arm64/mm/pgd.c +++ b/arch/arm64/mm/pgd.c @@ -30,12 +30,14 @@ #define PGD_SIZE (PTRS_PER_PGD * sizeof(pgd_t)) +static struct kmem_cache *pgd_cache; + pgd_t *pgd_alloc(struct mm_struct *mm) { if (PGD_SIZE == PAGE_SIZE) return (pgd_t *)get_zeroed_page(GFP_KERNEL); else - return kzalloc(PGD_SIZE, GFP_KERNEL); + return kmem_cache_zalloc(pgd_cache, GFP_KERNEL); } void pgd_free(struct mm_struct *mm, pgd_t *pgd) @@ -43,5 +45,17 @@ void pgd_free(struct mm_struct *mm, pgd_t *pgd) if (PGD_SIZE == PAGE_SIZE) free_page((unsigned long)pgd); else - kfree(pgd); + kmem_cache_free(pgd_cache, pgd); } + +static int __init pgd_cache_init(void) +{ + /* + * Naturally aligned pgds required by the architecture. + */ + if (PGD_SIZE != PAGE_SIZE) + pgd_cache = kmem_cache_create("pgd_cache", PGD_SIZE, PGD_SIZE, + SLAB_PANIC, NULL); + return 0; +} +core_initcall(pgd_cache_init); diff --git a/arch/arm64/net/bpf_jit.h b/arch/arm64/net/bpf_jit.h index 2134f7e6c288..de0a81a539a0 100644 --- a/arch/arm64/net/bpf_jit.h +++ b/arch/arm64/net/bpf_jit.h @@ -144,8 +144,12 @@ /* Data-processing (2 source) */ /* Rd = Rn OP Rm */ -#define A64_UDIV(sf, Rd, Rn, Rm) aarch64_insn_gen_data2(Rd, Rn, Rm, \ - A64_VARIANT(sf), AARCH64_INSN_DATA2_UDIV) +#define A64_DATA2(sf, Rd, Rn, Rm, type) aarch64_insn_gen_data2(Rd, Rn, Rm, \ + A64_VARIANT(sf), AARCH64_INSN_DATA2_##type) +#define A64_UDIV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, UDIV) +#define A64_LSLV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, LSLV) +#define A64_LSRV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, LSRV) +#define A64_ASRV(sf, Rd, Rn, Rm) A64_DATA2(sf, Rd, Rn, Rm, ASRV) /* Data-processing (3 source) */ /* Rd = Ra + Rn * Rm */ diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 7ae33545535b..41f1e3e2ea24 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -19,12 +19,13 @@ #define pr_fmt(fmt) "bpf_jit: " fmt #include -#include #include #include #include + #include #include +#include #include "bpf_jit.h" @@ -119,6 +120,14 @@ static inline int bpf2a64_offset(int bpf_to, int bpf_from, return to - from; } +static void jit_fill_hole(void *area, unsigned int size) +{ + u32 *ptr; + /* We are guaranteed to have aligned memory. */ + for (ptr = area; size >= sizeof(u32); size -= sizeof(u32)) + *ptr++ = cpu_to_le32(AARCH64_BREAK_FAULT); +} + static inline int epilogue_offset(const struct jit_ctx *ctx) { int to = ctx->offset[ctx->prog->len - 1]; @@ -196,6 +205,12 @@ static void build_epilogue(struct jit_ctx *ctx) emit(A64_RET(A64_LR), ctx); } +/* JITs an eBPF instruction. + * Returns: + * 0 - successfully JITed an 8-byte eBPF instruction. + * >0 - successfully JITed a 16-byte eBPF instruction. + * <0 - failed to JIT. + */ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) { const u8 code = insn->code; @@ -252,6 +267,18 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) emit(A64_MUL(is64, tmp, tmp, src), ctx); emit(A64_SUB(is64, dst, dst, tmp), ctx); break; + case BPF_ALU | BPF_LSH | BPF_X: + case BPF_ALU64 | BPF_LSH | BPF_X: + emit(A64_LSLV(is64, dst, dst, src), ctx); + break; + case BPF_ALU | BPF_RSH | BPF_X: + case BPF_ALU64 | BPF_RSH | BPF_X: + emit(A64_LSRV(is64, dst, dst, src), ctx); + break; + case BPF_ALU | BPF_ARSH | BPF_X: + case BPF_ALU64 | BPF_ARSH | BPF_X: + emit(A64_ASRV(is64, dst, dst, src), ctx); + break; /* dst = -dst */ case BPF_ALU | BPF_NEG: case BPF_ALU64 | BPF_NEG: @@ -443,6 +470,27 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) emit(A64_B(jmp_offset), ctx); break; + /* dst = imm64 */ + case BPF_LD | BPF_IMM | BPF_DW: + { + const struct bpf_insn insn1 = insn[1]; + u64 imm64; + + if (insn1.code != 0 || insn1.src_reg != 0 || + insn1.dst_reg != 0 || insn1.off != 0) { + /* Note: verifier in BPF core must catch invalid + * instructions. + */ + pr_err_once("Invalid BPF_LD_IMM64 instruction\n"); + return -EINVAL; + } + + imm64 = (u64)insn1.imm << 32 | imm; + emit_a64_mov_i64(dst, imm64, ctx); + + return 1; + } + /* LDX: dst = *(size *)(src + off) */ case BPF_LDX | BPF_MEM | BPF_W: case BPF_LDX | BPF_MEM | BPF_H: @@ -594,6 +642,10 @@ static int build_body(struct jit_ctx *ctx) ctx->offset[i] = ctx->idx; ret = build_insn(insn, ctx); + if (ret > 0) { + i++; + continue; + } if (ret) return ret; } @@ -613,8 +665,10 @@ void bpf_jit_compile(struct bpf_prog *prog) void bpf_int_jit_compile(struct bpf_prog *prog) { + struct bpf_binary_header *header; struct jit_ctx ctx; int image_size; + u8 *image_ptr; if (!bpf_jit_enable) return; @@ -636,23 +690,25 @@ void bpf_int_jit_compile(struct bpf_prog *prog) goto out; build_prologue(&ctx); - build_epilogue(&ctx); /* Now we know the actual image size. */ image_size = sizeof(u32) * ctx.idx; - ctx.image = module_alloc(image_size); - if (unlikely(ctx.image == NULL)) + header = bpf_jit_binary_alloc(image_size, &image_ptr, + sizeof(u32), jit_fill_hole); + if (header == NULL) goto out; /* 2. Now, the actual pass. */ + ctx.image = (u32 *)image_ptr; ctx.idx = 0; + build_prologue(&ctx); ctx.body_offset = ctx.idx; if (build_body(&ctx)) { - module_free(NULL, ctx.image); + bpf_jit_binary_free(header); goto out; } @@ -663,17 +719,25 @@ void bpf_int_jit_compile(struct bpf_prog *prog) bpf_jit_dump(prog->len, image_size, 2, ctx.image); bpf_flush_icache(ctx.image, ctx.image + ctx.idx); - prog->bpf_func = (void *)ctx.image; - prog->jited = 1; + set_memory_ro((unsigned long)header, header->pages); + prog->bpf_func = (void *)ctx.image; + prog->jited = true; out: kfree(ctx.offset); } void bpf_jit_free(struct bpf_prog *prog) { - if (prog->jited) - module_free(NULL, prog->bpf_func); + unsigned long addr = (unsigned long)prog->bpf_func & PAGE_MASK; + struct bpf_binary_header *header = (void *)addr; - kfree(prog); + if (!prog->jited) + goto free_filter; + + set_memory_rw(addr, header->pages); + bpf_jit_binary_free(header); + +free_filter: + bpf_prog_unlock_free(prog); } diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 741b99c1a0b1..c52d7540dc05 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -568,6 +568,7 @@ efi_init (void) { const char *unit; unsigned long size; + char buf[64]; md = p; size = md->num_pages << EFI_PAGE_SHIFT; @@ -586,9 +587,10 @@ efi_init (void) unit = "KB"; } - printk("mem%02d: type=%2u, attr=0x%016lx, " + printk("mem%02d: %s " "range=[0x%016lx-0x%016lx) (%4lu%s)\n", - i, md->type, md->attribute, md->phys_addr, + i, efi_md_typeattr_format(buf, sizeof(buf), md), + md->phys_addr, md->phys_addr + efi_md_size(md), size, unit); } } diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 4ef7a54813e6..75e75d7b1702 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include -#define NR_syscalls 354 +#define NR_syscalls 355 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index b419c6b7ac37..2c1bec9a14b6 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -359,5 +359,6 @@ #define __NR_renameat2 351 #define __NR_getrandom 352 #define __NR_memfd_create 353 +#define __NR_bpf 354 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index 05b46c2b08b8..2ca219e184cd 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -374,4 +374,5 @@ ENTRY(sys_call_table) .long sys_renameat2 .long sys_getrandom .long sys_memfd_create + .long sys_bpf diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 6feded3b0c4c..a7736fa0580c 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -129,6 +129,10 @@ endmenu menu "Kernel features" +config NR_CPUS + int + default "1" + config ADVANCED_OPTIONS bool "Prompt for advanced kernel configuration options" help diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h index ea4b233647c1..0a53362d5548 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -38,6 +38,6 @@ #endif /* __ASSEMBLY__ */ -#define __NR_syscalls 387 +#define __NR_syscalls 388 #endif /* _ASM_MICROBLAZE_UNISTD_H */ diff --git a/arch/microblaze/include/uapi/asm/unistd.h b/arch/microblaze/include/uapi/asm/unistd.h index 1c2380bf8fe6..c712677f8a2a 100644 --- a/arch/microblaze/include/uapi/asm/unistd.h +++ b/arch/microblaze/include/uapi/asm/unistd.h @@ -402,5 +402,6 @@ #define __NR_seccomp 384 #define __NR_getrandom 385 #define __NR_memfd_create 386 +#define __NR_bpf 387 #endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */ diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index de59ee1d7010..0166e890486c 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -387,3 +387,4 @@ ENTRY(sys_call_table) .long sys_seccomp .long sys_getrandom /* 385 */ .long sys_memfd_create + .long sys_bpf diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 9037914f6985..b30e41c0c033 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -660,8 +660,13 @@ void pci_process_bridge_OF_ranges(struct pci_controller *hose, res = &hose->mem_resources[memno++]; break; } - if (res != NULL) - of_pci_range_to_resource(&range, dev, res); + if (res != NULL) { + res->name = dev->full_name; + res->flags = range.flags; + res->start = range.cpu_addr; + res->end = range.cpu_addr + range.size - 1; + res->parent = res->child = res->sibling = NULL; + } } /* If there's an ISA hole and the pci_mem_offset is -not- matching diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index ad6badb6be71..f43aa536c517 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2066,6 +2066,7 @@ config MIPS_CPS support is unavailable. config MIPS_CPS_PM + depends on MIPS_CPS select MIPS_CPC bool diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 23cb94806fbc..58076472bdd8 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -93,6 +93,15 @@ LDFLAGS_vmlinux += -G 0 -static -n -nostdlib KBUILD_AFLAGS_MODULE += -mlong-calls KBUILD_CFLAGS_MODULE += -mlong-calls +# +# pass -msoft-float to GAS if it supports it. However on newer binutils +# (specifically newer than 2.24.51.20140728) we then also need to explicitly +# set ".set hardfloat" in all files which manipulate floating point registers. +# +ifneq ($(call as-option,-Wa$(comma)-msoft-float,),) + cflags-y += -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float +endif + cflags-y += -ffreestanding # diff --git a/arch/mips/ath79/mach-db120.c b/arch/mips/ath79/mach-db120.c index 4d661a1d2dae..9423f5aed287 100644 --- a/arch/mips/ath79/mach-db120.c +++ b/arch/mips/ath79/mach-db120.c @@ -113,7 +113,7 @@ static void __init db120_pci_init(u8 *eeprom) ath79_register_pci(); } #else -static inline void db120_pci_init(void) {} +static inline void db120_pci_init(u8 *eeprom) {} #endif /* CONFIG_PCI */ static void __init db120_setup(void) diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index 741734049675..2bc4aa95944e 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -809,6 +809,7 @@ static struct irq_chip octeon_irq_chip_ciu_gpio_v2 = { .irq_set_type = octeon_irq_ciu_gpio_set_type, #ifdef CONFIG_SMP .irq_set_affinity = octeon_irq_ciu_set_affinity_v2, + .irq_cpu_offline = octeon_irq_cpu_offline_ciu, #endif .flags = IRQCHIP_SET_TYPE_MASKED, }; @@ -823,6 +824,7 @@ static struct irq_chip octeon_irq_chip_ciu_gpio = { .irq_set_type = octeon_irq_ciu_gpio_set_type, #ifdef CONFIG_SMP .irq_set_affinity = octeon_irq_ciu_set_affinity, + .irq_cpu_offline = octeon_irq_cpu_offline_ciu, #endif .flags = IRQCHIP_SET_TYPE_MASKED, }; diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index 38f4c32e2816..5ebdb32d9a2b 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -806,15 +806,6 @@ void __init prom_init(void) #endif } - if (octeon_is_simulation()) { - /* - * The simulator uses a mtdram device pre filled with - * the filesystem. Also specify the calibration delay - * to avoid calculating it every time. - */ - strcat(arcs_cmdline, " rw root=1f00 slram=root,0x40000000,+1073741824"); - } - mips_hpt_frequency = octeon_get_clock_rate(); octeon_init_cvmcount(); diff --git a/arch/mips/include/asm/asmmacro-32.h b/arch/mips/include/asm/asmmacro-32.h index e38c2811d4e2..cdac7b3eeaf7 100644 --- a/arch/mips/include/asm/asmmacro-32.h +++ b/arch/mips/include/asm/asmmacro-32.h @@ -13,6 +13,8 @@ #include .macro fpu_save_single thread tmp=t0 + .set push + SET_HARDFLOAT cfc1 \tmp, fcr31 swc1 $f0, THREAD_FPR0_LS64(\thread) swc1 $f1, THREAD_FPR1_LS64(\thread) @@ -47,9 +49,12 @@ swc1 $f30, THREAD_FPR30_LS64(\thread) swc1 $f31, THREAD_FPR31_LS64(\thread) sw \tmp, THREAD_FCR31(\thread) + .set pop .endm .macro fpu_restore_single thread tmp=t0 + .set push + SET_HARDFLOAT lw \tmp, THREAD_FCR31(\thread) lwc1 $f0, THREAD_FPR0_LS64(\thread) lwc1 $f1, THREAD_FPR1_LS64(\thread) @@ -84,6 +89,7 @@ lwc1 $f30, THREAD_FPR30_LS64(\thread) lwc1 $f31, THREAD_FPR31_LS64(\thread) ctc1 \tmp, fcr31 + .set pop .endm .macro cpu_save_nonscratch thread diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h index cd9a98bc8f60..6caf8766b80f 100644 --- a/arch/mips/include/asm/asmmacro.h +++ b/arch/mips/include/asm/asmmacro.h @@ -57,6 +57,8 @@ #endif /* CONFIG_CPU_MIPSR2 */ .macro fpu_save_16even thread tmp=t0 + .set push + SET_HARDFLOAT cfc1 \tmp, fcr31 sdc1 $f0, THREAD_FPR0_LS64(\thread) sdc1 $f2, THREAD_FPR2_LS64(\thread) @@ -75,11 +77,13 @@ sdc1 $f28, THREAD_FPR28_LS64(\thread) sdc1 $f30, THREAD_FPR30_LS64(\thread) sw \tmp, THREAD_FCR31(\thread) + .set pop .endm .macro fpu_save_16odd thread .set push .set mips64r2 + SET_HARDFLOAT sdc1 $f1, THREAD_FPR1_LS64(\thread) sdc1 $f3, THREAD_FPR3_LS64(\thread) sdc1 $f5, THREAD_FPR5_LS64(\thread) @@ -110,6 +114,8 @@ .endm .macro fpu_restore_16even thread tmp=t0 + .set push + SET_HARDFLOAT lw \tmp, THREAD_FCR31(\thread) ldc1 $f0, THREAD_FPR0_LS64(\thread) ldc1 $f2, THREAD_FPR2_LS64(\thread) @@ -133,6 +139,7 @@ .macro fpu_restore_16odd thread .set push .set mips64r2 + SET_HARDFLOAT ldc1 $f1, THREAD_FPR1_LS64(\thread) ldc1 $f3, THREAD_FPR3_LS64(\thread) ldc1 $f5, THREAD_FPR5_LS64(\thread) @@ -277,6 +284,7 @@ .macro cfcmsa rd, cs .set push .set noat + SET_HARDFLOAT .insn .word CFC_MSA_INSN | (\cs << 11) move \rd, $1 @@ -286,6 +294,7 @@ .macro ctcmsa cd, rs .set push .set noat + SET_HARDFLOAT move $1, \rs .word CTC_MSA_INSN | (\cd << 6) .set pop @@ -294,6 +303,7 @@ .macro ld_d wd, off, base .set push .set noat + SET_HARDFLOAT add $1, \base, \off .word LDD_MSA_INSN | (\wd << 6) .set pop @@ -302,6 +312,7 @@ .macro st_d wd, off, base .set push .set noat + SET_HARDFLOAT add $1, \base, \off .word STD_MSA_INSN | (\wd << 6) .set pop @@ -310,6 +321,7 @@ .macro copy_u_w rd, ws, n .set push .set noat + SET_HARDFLOAT .insn .word COPY_UW_MSA_INSN | (\n << 16) | (\ws << 11) /* move triggers an assembler bug... */ @@ -320,6 +332,7 @@ .macro copy_u_d rd, ws, n .set push .set noat + SET_HARDFLOAT .insn .word COPY_UD_MSA_INSN | (\n << 16) | (\ws << 11) /* move triggers an assembler bug... */ @@ -330,6 +343,7 @@ .macro insert_w wd, n, rs .set push .set noat + SET_HARDFLOAT /* move triggers an assembler bug... */ or $1, \rs, zero .word INSERT_W_MSA_INSN | (\n << 16) | (\wd << 6) @@ -339,6 +353,7 @@ .macro insert_d wd, n, rs .set push .set noat + SET_HARDFLOAT /* move triggers an assembler bug... */ or $1, \rs, zero .word INSERT_D_MSA_INSN | (\n << 16) | (\wd << 6) @@ -381,6 +396,7 @@ st_d 31, THREAD_FPR31, \thread .set push .set noat + SET_HARDFLOAT cfcmsa $1, MSA_CSR sw $1, THREAD_MSA_CSR(\thread) .set pop @@ -389,6 +405,7 @@ .macro msa_restore_all thread .set push .set noat + SET_HARDFLOAT lw $1, THREAD_MSA_CSR(\thread) ctcmsa MSA_CSR, $1 .set pop @@ -441,6 +458,7 @@ .macro msa_init_all_upper .set push .set noat + SET_HARDFLOAT not $1, zero msa_init_upper 0 .set pop diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h index 51f80bd36fcc..63b3468ede4c 100644 --- a/arch/mips/include/asm/cop2.h +++ b/arch/mips/include/asm/cop2.h @@ -37,15 +37,15 @@ extern void nlm_cop2_restore(struct nlm_cop2_state *); #define cop2_present 1 #define cop2_lazy_restore 1 -#define cop2_save(r) do { (r); } while (0) -#define cop2_restore(r) do { (r); } while (0) +#define cop2_save(r) do { (void)(r); } while (0) +#define cop2_restore(r) do { (void)(r); } while (0) #else #define cop2_present 0 #define cop2_lazy_restore 0 -#define cop2_save(r) do { (r); } while (0) -#define cop2_restore(r) do { (r); } while (0) +#define cop2_save(r) do { (void)(r); } while (0) +#define cop2_restore(r) do { (void)(r); } while (0) #endif enum cu2_ops { diff --git a/arch/mips/include/asm/fpregdef.h b/arch/mips/include/asm/fpregdef.h index 429481f9028d..f184ba088532 100644 --- a/arch/mips/include/asm/fpregdef.h +++ b/arch/mips/include/asm/fpregdef.h @@ -14,6 +14,20 @@ #include +/* + * starting with binutils 2.24.51.20140729, MIPS binutils warn about mixing + * hardfloat and softfloat object files. The kernel build uses soft-float by + * default, so we also need to pass -msoft-float along to GAS if it supports it. + * But this in turn causes assembler errors in files which access hardfloat + * registers. We detect if GAS supports "-msoft-float" in the Makefile and + * explicitly put ".set hardfloat" where floating point registers are touched. + */ +#ifdef GAS_HAS_SET_HARDFLOAT +#define SET_HARDFLOAT .set hardfloat +#else +#define SET_HARDFLOAT +#endif + #if _MIPS_SIM == _MIPS_SIM_ABI32 /* diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index 4d0aeda68397..dd562414cd5e 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -145,8 +145,8 @@ static inline void lose_fpu(int save) if (is_msa_enabled()) { if (save) { save_msa(current); - asm volatile("cfc1 %0, $31" - : "=r"(current->thread.fpu.fcr31)); + current->thread.fpu.fcr31 = + read_32bit_cp1_register(CP1_STATUS); } disable_msa(); clear_thread_flag(TIF_USEDMSA); diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h index 992aaba603b5..b463f2aa5a61 100644 --- a/arch/mips/include/asm/ftrace.h +++ b/arch/mips/include/asm/ftrace.h @@ -24,7 +24,7 @@ do { \ asm volatile ( \ "1: " load " %[tmp_dst], 0(%[tmp_src])\n" \ " li %[tmp_err], 0\n" \ - "2:\n" \ + "2: .insn\n" \ \ ".section .fixup, \"ax\"\n" \ "3: li %[tmp_err], 1\n" \ @@ -46,7 +46,7 @@ do { \ asm volatile ( \ "1: " store " %[tmp_src], 0(%[tmp_dst])\n"\ " li %[tmp_err], 0\n" \ - "2:\n" \ + "2: .insn\n" \ \ ".section .fixup, \"ax\"\n" \ "3: li %[tmp_err], 1\n" \ diff --git a/arch/mips/include/asm/idle.h b/arch/mips/include/asm/idle.h index d9f932de80e9..1c967abd545c 100644 --- a/arch/mips/include/asm/idle.h +++ b/arch/mips/include/asm/idle.h @@ -8,19 +8,12 @@ extern void (*cpu_wait)(void); extern void r4k_wait(void); extern asmlinkage void __r4k_wait(void); extern void r4k_wait_irqoff(void); -extern void __pastwait(void); static inline int using_rollback_handler(void) { return cpu_wait == r4k_wait; } -static inline int address_is_in_r4k_wait_irqoff(unsigned long addr) -{ - return addr >= (unsigned long)r4k_wait_irqoff && - addr < (unsigned long)__pastwait; -} - extern int mips_cpuidle_wait_enter(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index cf3b580c3df6..b46cd220a018 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1324,7 +1324,7 @@ do { \ /* * Macros to access the floating point coprocessor control registers */ -#define read_32bit_cp1_register(source) \ +#define _read_32bit_cp1_register(source, gas_hardfloat) \ ({ \ int __res; \ \ @@ -1334,12 +1334,21 @@ do { \ " # gas fails to assemble cfc1 for some archs, \n" \ " # like Octeon. \n" \ " .set mips1 \n" \ + " "STR(gas_hardfloat)" \n" \ " cfc1 %0,"STR(source)" \n" \ " .set pop \n" \ : "=r" (__res)); \ __res; \ }) +#ifdef GAS_HAS_SET_HARDFLOAT +#define read_32bit_cp1_register(source) \ + _read_32bit_cp1_register(source, .set hardfloat) +#else +#define read_32bit_cp1_register(source) \ + _read_32bit_cp1_register(source, ) +#endif + #ifdef HAVE_AS_DSP #define rddsp(mask) \ ({ \ diff --git a/arch/mips/include/uapi/asm/ptrace.h b/arch/mips/include/uapi/asm/ptrace.h index bbcfb8ba8106..91a3d197ede3 100644 --- a/arch/mips/include/uapi/asm/ptrace.h +++ b/arch/mips/include/uapi/asm/ptrace.h @@ -9,6 +9,8 @@ #ifndef _UAPI_ASM_PTRACE_H #define _UAPI_ASM_PTRACE_H +#include + /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ #define FPR_BASE 32 #define PC 64 diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index fdb4923777d1..9dc58568f230 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -375,16 +375,17 @@ #define __NR_seccomp (__NR_Linux + 352) #define __NR_getrandom (__NR_Linux + 353) #define __NR_memfd_create (__NR_Linux + 354) +#define __NR_bpf (__NR_Linux + 355) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 354 +#define __NR_Linux_syscalls 355 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 354 +#define __NR_O32_Linux_syscalls 355 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -707,16 +708,17 @@ #define __NR_seccomp (__NR_Linux + 312) #define __NR_getrandom (__NR_Linux + 313) #define __NR_memfd_create (__NR_Linux + 314) +#define __NR_bpf (__NR_Linux + 315) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 314 +#define __NR_Linux_syscalls 315 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 314 +#define __NR_64_Linux_syscalls 315 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1043,15 +1045,16 @@ #define __NR_seccomp (__NR_Linux + 316) #define __NR_getrandom (__NR_Linux + 317) #define __NR_memfd_create (__NR_Linux + 318) +#define __NR_memfd_create (__NR_Linux + 319) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 318 +#define __NR_Linux_syscalls 319 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 318 +#define __NR_N32_Linux_syscalls 319 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index 7b2df224f041..4d7d99d601cc 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -144,7 +144,7 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, case mm_bc1t_op: preempt_disable(); if (is_fpu_owner()) - asm volatile("cfc1\t%0,$31" : "=r" (fcr31)); + fcr31 = read_32bit_cp1_register(CP1_STATUS); else fcr31 = current->thread.fpu.fcr31; preempt_enable(); @@ -562,11 +562,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, case cop1_op: preempt_disable(); if (is_fpu_owner()) - asm volatile( - ".set push\n" - "\t.set mips1\n" - "\tcfc1\t%0,$31\n" - "\t.set pop" : "=r" (fcr31)); + fcr31 = read_32bit_cp1_register(CP1_STATUS); else fcr31 = current->thread.fpu.fcr31; preempt_enable(); diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index ac35e12cb1f3..a5e26dd90592 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -358,6 +358,7 @@ NESTED(nmi_handler, PT_SIZE, sp) .set push /* gas fails to assemble cfc1 for some archs (octeon).*/ \ .set mips1 + SET_HARDFLOAT cfc1 a1, fcr31 li a2, ~(0x3f << 12) and a2, a1 diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c index 09ce45980758..0b9082b6b683 100644 --- a/arch/mips/kernel/idle.c +++ b/arch/mips/kernel/idle.c @@ -68,9 +68,6 @@ void r4k_wait_irqoff(void) " wait \n" " .set pop \n"); local_irq_enable(); - __asm__( - " .globl __pastwait \n" - "__pastwait: \n"); } /* diff --git a/arch/mips/kernel/r2300_fpu.S b/arch/mips/kernel/r2300_fpu.S index f31063dbdaeb..5ce3b746cedc 100644 --- a/arch/mips/kernel/r2300_fpu.S +++ b/arch/mips/kernel/r2300_fpu.S @@ -28,6 +28,8 @@ .set mips1 /* Save floating point context */ LEAF(_save_fp_context) + .set push + SET_HARDFLOAT li v0, 0 # assume success cfc1 t1,fcr31 EX(swc1 $f0,(SC_FPREGS+0)(a0)) @@ -65,6 +67,7 @@ LEAF(_save_fp_context) EX(sw t1,(SC_FPC_CSR)(a0)) cfc1 t0,$0 # implementation/version jr ra + .set pop .set nomacro EX(sw t0,(SC_FPC_EIR)(a0)) .set macro @@ -80,6 +83,8 @@ LEAF(_save_fp_context) * stack frame which might have been changed by the user. */ LEAF(_restore_fp_context) + .set push + SET_HARDFLOAT li v0, 0 # assume success EX(lw t0,(SC_FPC_CSR)(a0)) EX(lwc1 $f0,(SC_FPREGS+0)(a0)) @@ -116,6 +121,7 @@ LEAF(_restore_fp_context) EX(lwc1 $f31,(SC_FPREGS+248)(a0)) jr ra ctc1 t0,fcr31 + .set pop END(_restore_fp_context) .set reorder diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S index 20b7b040e76f..435ea652f5fa 100644 --- a/arch/mips/kernel/r2300_switch.S +++ b/arch/mips/kernel/r2300_switch.S @@ -120,6 +120,9 @@ LEAF(_restore_fp) #define FPU_DEFAULT 0x00000000 + .set push + SET_HARDFLOAT + LEAF(_init_fpu) mfc0 t0, CP0_STATUS li t1, ST0_CU1 @@ -165,3 +168,5 @@ LEAF(_init_fpu) mtc1 t0, $f31 jr ra END(_init_fpu) + + .set pop diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S index 8352523568e6..6c160c67984c 100644 --- a/arch/mips/kernel/r4k_fpu.S +++ b/arch/mips/kernel/r4k_fpu.S @@ -19,8 +19,12 @@ #include #include +/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */ +#undef fp + .macro EX insn, reg, src .set push + SET_HARDFLOAT .set nomacro .ex\@: \insn \reg, \src .set pop @@ -33,12 +37,17 @@ .set arch=r4000 LEAF(_save_fp_context) + .set push + SET_HARDFLOAT cfc1 t1, fcr31 + .set pop #if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) .set push + SET_HARDFLOAT #ifdef CONFIG_CPU_MIPS32_R2 - .set mips64r2 + .set mips32r2 + .set fp=64 mfc0 t0, CP0_STATUS sll t0, t0, 5 bgez t0, 1f # skip storing odd if FR=0 @@ -64,6 +73,8 @@ LEAF(_save_fp_context) 1: .set pop #endif + .set push + SET_HARDFLOAT /* Store the 16 even double precision registers */ EX sdc1 $f0, SC_FPREGS+0(a0) EX sdc1 $f2, SC_FPREGS+16(a0) @@ -84,11 +95,14 @@ LEAF(_save_fp_context) EX sw t1, SC_FPC_CSR(a0) jr ra li v0, 0 # success + .set pop END(_save_fp_context) #ifdef CONFIG_MIPS32_COMPAT /* Save 32-bit process floating point context */ LEAF(_save_fp_context32) + .set push + SET_HARDFLOAT cfc1 t1, fcr31 mfc0 t0, CP0_STATUS @@ -134,6 +148,7 @@ LEAF(_save_fp_context32) EX sw t1, SC32_FPC_CSR(a0) cfc1 t0, $0 # implementation/version EX sw t0, SC32_FPC_EIR(a0) + .set pop jr ra li v0, 0 # success @@ -150,8 +165,10 @@ LEAF(_restore_fp_context) #if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2) .set push + SET_HARDFLOAT #ifdef CONFIG_CPU_MIPS32_R2 - .set mips64r2 + .set mips32r2 + .set fp=64 mfc0 t0, CP0_STATUS sll t0, t0, 5 bgez t0, 1f # skip loading odd if FR=0 @@ -175,6 +192,8 @@ LEAF(_restore_fp_context) EX ldc1 $f31, SC_FPREGS+248(a0) 1: .set pop #endif + .set push + SET_HARDFLOAT EX ldc1 $f0, SC_FPREGS+0(a0) EX ldc1 $f2, SC_FPREGS+16(a0) EX ldc1 $f4, SC_FPREGS+32(a0) @@ -192,6 +211,7 @@ LEAF(_restore_fp_context) EX ldc1 $f28, SC_FPREGS+224(a0) EX ldc1 $f30, SC_FPREGS+240(a0) ctc1 t1, fcr31 + .set pop jr ra li v0, 0 # success END(_restore_fp_context) @@ -199,6 +219,8 @@ LEAF(_restore_fp_context) #ifdef CONFIG_MIPS32_COMPAT LEAF(_restore_fp_context32) /* Restore an o32 sigcontext. */ + .set push + SET_HARDFLOAT EX lw t1, SC32_FPC_CSR(a0) mfc0 t0, CP0_STATUS @@ -242,6 +264,7 @@ LEAF(_restore_fp_context32) ctc1 t1, fcr31 jr ra li v0, 0 # success + .set pop END(_restore_fp_context32) #endif diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S index 4c4ec1812420..64591e671878 100644 --- a/arch/mips/kernel/r4k_switch.S +++ b/arch/mips/kernel/r4k_switch.S @@ -22,6 +22,9 @@ #include +/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */ +#undef fp + /* * Offset to the current process status flags, the first 32 bytes of the * stack are not used. @@ -65,8 +68,12 @@ bgtz a3, 1f /* Save 128b MSA vector context + scalar FP control & status. */ + .set push + SET_HARDFLOAT cfc1 t1, fcr31 msa_save_all a0 + .set pop /* SET_HARDFLOAT */ + sw t1, THREAD_FCR31(a0) b 2f @@ -161,6 +168,9 @@ LEAF(_init_msa_upper) #define FPU_DEFAULT 0x00000000 + .set push + SET_HARDFLOAT + LEAF(_init_fpu) mfc0 t0, CP0_STATUS li t1, ST0_CU1 @@ -232,7 +242,8 @@ LEAF(_init_fpu) #ifdef CONFIG_CPU_MIPS32_R2 .set push - .set mips64r2 + .set mips32r2 + .set fp=64 sll t0, t0, 5 # is Status.FR set? bgez t0, 1f # no: skip setting upper 32b @@ -291,3 +302,5 @@ LEAF(_init_fpu) #endif jr ra END(_init_fpu) + + .set pop /* SET_HARDFLOAT */ diff --git a/arch/mips/kernel/r6000_fpu.S b/arch/mips/kernel/r6000_fpu.S index da0fbe46d83b..47077380c15c 100644 --- a/arch/mips/kernel/r6000_fpu.S +++ b/arch/mips/kernel/r6000_fpu.S @@ -18,6 +18,9 @@ .set noreorder .set mips2 + .set push + SET_HARDFLOAT + /* Save floating point context */ LEAF(_save_fp_context) mfc0 t0,CP0_STATUS @@ -85,3 +88,5 @@ 1: jr ra nop END(_restore_fp_context) + + .set pop /* SET_HARDFLOAT */ diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 744cd10ba599..00cad1005a16 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -579,3 +579,4 @@ EXPORT(sys_call_table) PTR sys_seccomp PTR sys_getrandom PTR sys_memfd_create + PTR sys_bpf /* 4355 */ diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 002b1bc09c38..5251565e344b 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -434,4 +434,5 @@ EXPORT(sys_call_table) PTR sys_seccomp PTR sys_getrandom PTR sys_memfd_create + PTR sys_bpf /* 5315 */ .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index ca6cbbe9805b..77e74398b828 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -427,4 +427,5 @@ EXPORT(sysn32_call_table) PTR sys_seccomp PTR sys_getrandom PTR sys_memfd_create + PTR sys_bpf .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 9e10d11fbb84..6f8db9f728e8 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -564,4 +564,5 @@ EXPORT(sys32_call_table) PTR sys_seccomp PTR sys_getrandom PTR sys_memfd_create + PTR sys_bpf /* 4355 */ .size sys32_call_table,.-sys32_call_table diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index b3b8f0d9d4a7..d21ec57b6e95 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -683,7 +683,8 @@ static void __init arch_mem_init(char **cmdline_p) dma_contiguous_reserve(PFN_PHYS(max_low_pfn)); /* Tell bootmem about cma reserved memblock section */ for_each_memblock(reserved, reg) - reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT); + if (reg->size != 0) + reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT); } static void __init resource_init(void) diff --git a/arch/mips/lasat/Kconfig b/arch/mips/lasat/Kconfig index 1d2ee8a9be13..8776d0a34274 100644 --- a/arch/mips/lasat/Kconfig +++ b/arch/mips/lasat/Kconfig @@ -4,7 +4,7 @@ config PICVUE config PICVUE_PROC tristate "PICVUE LCD display driver /proc interface" - depends on PICVUE + depends on PICVUE && PROC_FS config DS1603 bool "DS1603 RTC driver" diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c index 91615c2ef0cf..1ef365ab3cd3 100644 --- a/arch/mips/lib/r3k_dump_tlb.c +++ b/arch/mips/lib/r3k_dump_tlb.c @@ -34,7 +34,7 @@ static void dump_tlb(int first, int last) entrylo0 = read_c0_entrylo0(); /* Unused entries have a virtual address of KSEG0. */ - if ((entryhi & 0xffffe000) != 0x80000000 + if ((entryhi & 0xfffff000) != 0x80000000 && (entryhi & 0xfc0) == asid) { /* * Only print entries in use @@ -43,7 +43,7 @@ static void dump_tlb(int first, int last) printk("va=%08lx asid=%08lx" " [pa=%06lx n=%d d=%d v=%d g=%d]", - (entryhi & 0xffffe000), + (entryhi & 0xfffff000), entryhi & 0xfc0, entrylo0 & PAGE_MASK, (entrylo0 & (1 << 11)) ? 1 : 0, diff --git a/arch/mips/lib/strnlen_user.S b/arch/mips/lib/strnlen_user.S index f3af6995e2a6..7d12c0dded3d 100644 --- a/arch/mips/lib/strnlen_user.S +++ b/arch/mips/lib/strnlen_user.S @@ -40,9 +40,11 @@ FEXPORT(__strnlen_\func\()_nocheck_asm) .else EX(lbe, t0, (v0), .Lfault\@) .endif - PTR_ADDIU v0, 1 + .set noreorder bnez t0, 1b -1: PTR_SUBU v0, a0 +1: PTR_ADDIU v0, 1 + .set reorder + PTR_SUBU v0, a0 jr ra END(__strnlen_\func\()_asm) diff --git a/arch/mips/loongson/lemote-2f/clock.c b/arch/mips/loongson/lemote-2f/clock.c index a217061beee3..462e34d46b4a 100644 --- a/arch/mips/loongson/lemote-2f/clock.c +++ b/arch/mips/loongson/lemote-2f/clock.c @@ -91,6 +91,7 @@ EXPORT_SYMBOL(clk_put); int clk_set_rate(struct clk *clk, unsigned long rate) { + unsigned int rate_khz = rate / 1000; struct cpufreq_frequency_table *pos; int ret = 0; int regval; @@ -107,9 +108,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate) propagate_rate(clk); cpufreq_for_each_valid_entry(pos, loongson2_clockmod_table) - if (rate == pos->frequency) + if (rate_khz == pos->frequency) break; - if (rate != pos->frequency) + if (rate_khz != pos->frequency) return -ENOTSUPP; clk->rate = rate; diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 7a4727795a70..cac529a405b8 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -584,11 +584,7 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, if (insn.i_format.rs == bc_op) { preempt_disable(); if (is_fpu_owner()) - asm volatile( - ".set push\n" - "\t.set mips1\n" - "\tcfc1\t%0,$31\n" - "\t.set pop" : "=r" (fcr31)); + fcr31 = read_32bit_cp1_register(CP1_STATUS); else fcr31 = current->thread.fpu.fcr31; preempt_enable(); @@ -1023,7 +1019,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, goto emul; case cop1x_op: - if (cpu_has_mips_4_5 || cpu_has_mips64) + if (cpu_has_mips_4_5 || cpu_has_mips64 || cpu_has_mips32r2) /* its one of ours */ goto emul; @@ -1068,7 +1064,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, break; case cop1x_op: - if (!cpu_has_mips_4_5 && !cpu_has_mips64) + if (!cpu_has_mips_4_5 && !cpu_has_mips64 && !cpu_has_mips32r2) return SIGILL; sig = fpux_emu(xcp, ctx, ir, fault_addr); diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index a08dd53a1cc5..b5f228e7eae6 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -1062,6 +1062,7 @@ static void build_update_entries(u32 **p, unsigned int tmp, unsigned int ptep) struct mips_huge_tlb_info { int huge_pte; int restore_scratch; + bool need_reload_pte; }; static struct mips_huge_tlb_info @@ -1076,6 +1077,7 @@ build_fast_tlb_refill_handler (u32 **p, struct uasm_label **l, rv.huge_pte = scratch; rv.restore_scratch = 0; + rv.need_reload_pte = false; if (check_for_high_segbits) { UASM_i_MFC0(p, tmp, C0_BADVADDR); @@ -1264,6 +1266,7 @@ static void build_r4000_tlb_refill_handler(void) } else { htlb_info.huge_pte = K0; htlb_info.restore_scratch = 0; + htlb_info.need_reload_pte = true; vmalloc_mode = refill_noscratch; /* * create the plain linear handler @@ -1300,7 +1303,8 @@ static void build_r4000_tlb_refill_handler(void) } #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT uasm_l_tlb_huge_update(&l, p); - UASM_i_LW(&p, K0, 0, K1); + if (htlb_info.need_reload_pte) + UASM_i_LW(&p, htlb_info.huge_pte, 0, K1); build_huge_update_entries(&p, htlb_info.huge_pte, K1); build_huge_tlb_write_entry(&p, &l, &r, K0, tlb_random, htlb_info.restore_scratch); diff --git a/arch/mips/mti-malta/Makefile b/arch/mips/mti-malta/Makefile index b9510ea8db56..6510ace272d4 100644 --- a/arch/mips/mti-malta/Makefile +++ b/arch/mips/mti-malta/Makefile @@ -5,8 +5,9 @@ # Copyright (C) 2008 Wind River Systems, Inc. # written by Ralf Baechle # -obj-y := malta-amon.o malta-display.o malta-init.o \ +obj-y := malta-display.o malta-init.o \ malta-int.o malta-memory.o malta-platform.o \ malta-reset.o malta-setup.o malta-time.o +obj-$(CONFIG_MIPS_CMP) += malta-amon.o obj-$(CONFIG_MIPS_MALTA_PM) += malta-pm.o diff --git a/arch/mips/mti-sead3/Makefile b/arch/mips/mti-sead3/Makefile index febf4334545e..2ae49e99eb67 100644 --- a/arch/mips/mti-sead3/Makefile +++ b/arch/mips/mti-sead3/Makefile @@ -14,7 +14,6 @@ obj-y := sead3-lcd.o sead3-display.o sead3-init.o \ sead3-setup.o sead3-time.o obj-y += sead3-i2c-dev.o sead3-i2c.o \ - sead3-pic32-i2c-drv.o sead3-pic32-bus.o \ leds-sead3.o sead3-leds.o obj-$(CONFIG_EARLY_PRINTK) += sead3-console.o diff --git a/arch/mips/mti-sead3/sead3-i2c.c b/arch/mips/mti-sead3/sead3-i2c.c index f70d5fc58ef5..795ae83894e0 100644 --- a/arch/mips/mti-sead3/sead3-i2c.c +++ b/arch/mips/mti-sead3/sead3-i2c.c @@ -5,10 +5,8 @@ * * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. */ -#include #include #include -#include struct resource sead3_i2c_resources[] = { { @@ -30,8 +28,4 @@ static int __init sead3_i2c_init(void) return platform_device_register(&sead3_i2c_device); } -module_init(sead3_i2c_init); - -MODULE_AUTHOR("Chris Dearman "); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("I2C probe driver for SEAD3"); +device_initcall(sead3_i2c_init); diff --git a/arch/mips/mti-sead3/sead3-pic32-bus.c b/arch/mips/mti-sead3/sead3-pic32-bus.c deleted file mode 100644 index 3b12aa5a7c88..000000000000 --- a/arch/mips/mti-sead3/sead3-pic32-bus.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include -#include -#include -#include -#include - -#define PIC32_NULL 0x00 -#define PIC32_RD 0x01 -#define PIC32_SYSRD 0x02 -#define PIC32_WR 0x10 -#define PIC32_SYSWR 0x20 -#define PIC32_IRQ_CLR 0x40 -#define PIC32_STATUS 0x80 - -#define DELAY() udelay(100) /* FIXME: needed? */ - -/* spinlock to ensure atomic access to PIC32 */ -static DEFINE_SPINLOCK(pic32_bus_lock); - -/* FIXME: io_remap these */ -static void __iomem *bus_xfer = (void __iomem *)0xbf000600; -static void __iomem *bus_status = (void __iomem *)0xbf000060; - -static inline unsigned int ioready(void) -{ - return readl(bus_status) & 1; -} - -static inline void wait_ioready(void) -{ - do { } while (!ioready()); -} - -static inline void wait_ioclear(void) -{ - do { } while (ioready()); -} - -static inline void check_ioclear(void) -{ - if (ioready()) { - pr_debug("ioclear: initially busy\n"); - do { - (void) readl(bus_xfer); - DELAY(); - } while (ioready()); - pr_debug("ioclear: cleared busy\n"); - } -} - -u32 pic32_bus_readl(u32 reg) -{ - unsigned long flags; - u32 status, val; - - spin_lock_irqsave(&pic32_bus_lock, flags); - - check_ioclear(); - - writel((PIC32_RD << 24) | (reg & 0x00ffffff), bus_xfer); - DELAY(); - wait_ioready(); - status = readl(bus_xfer); - DELAY(); - val = readl(bus_xfer); - wait_ioclear(); - - pr_debug("pic32_bus_readl: *%x -> %x (status=%x)\n", reg, val, status); - - spin_unlock_irqrestore(&pic32_bus_lock, flags); - - return val; -} - -void pic32_bus_writel(u32 val, u32 reg) -{ - unsigned long flags; - u32 status; - - spin_lock_irqsave(&pic32_bus_lock, flags); - - check_ioclear(); - - writel((PIC32_WR << 24) | (reg & 0x00ffffff), bus_xfer); - DELAY(); - writel(val, bus_xfer); - DELAY(); - wait_ioready(); - status = readl(bus_xfer); - wait_ioclear(); - - pr_debug("pic32_bus_writel: *%x <- %x (status=%x)\n", reg, val, status); - - spin_unlock_irqrestore(&pic32_bus_lock, flags); -} diff --git a/arch/mips/mti-sead3/sead3-pic32-i2c-drv.c b/arch/mips/mti-sead3/sead3-pic32-i2c-drv.c deleted file mode 100644 index 80fe194cfa53..000000000000 --- a/arch/mips/mti-sead3/sead3-pic32-i2c-drv.c +++ /dev/null @@ -1,423 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define PIC32_I2CxCON 0x0000 -#define PIC32_I2CxCONCLR 0x0004 -#define PIC32_I2CxCONSET 0x0008 -#define PIC32_I2CxCONINV 0x000C -#define I2CCON_ON (1<<15) -#define I2CCON_FRZ (1<<14) -#define I2CCON_SIDL (1<<13) -#define I2CCON_SCLREL (1<<12) -#define I2CCON_STRICT (1<<11) -#define I2CCON_A10M (1<<10) -#define I2CCON_DISSLW (1<<9) -#define I2CCON_SMEN (1<<8) -#define I2CCON_GCEN (1<<7) -#define I2CCON_STREN (1<<6) -#define I2CCON_ACKDT (1<<5) -#define I2CCON_ACKEN (1<<4) -#define I2CCON_RCEN (1<<3) -#define I2CCON_PEN (1<<2) -#define I2CCON_RSEN (1<<1) -#define I2CCON_SEN (1<<0) - -#define PIC32_I2CxSTAT 0x0010 -#define PIC32_I2CxSTATCLR 0x0014 -#define PIC32_I2CxSTATSET 0x0018 -#define PIC32_I2CxSTATINV 0x001C -#define I2CSTAT_ACKSTAT (1<<15) -#define I2CSTAT_TRSTAT (1<<14) -#define I2CSTAT_BCL (1<<10) -#define I2CSTAT_GCSTAT (1<<9) -#define I2CSTAT_ADD10 (1<<8) -#define I2CSTAT_IWCOL (1<<7) -#define I2CSTAT_I2COV (1<<6) -#define I2CSTAT_DA (1<<5) -#define I2CSTAT_P (1<<4) -#define I2CSTAT_S (1<<3) -#define I2CSTAT_RW (1<<2) -#define I2CSTAT_RBF (1<<1) -#define I2CSTAT_TBF (1<<0) - -#define PIC32_I2CxADD 0x0020 -#define PIC32_I2CxADDCLR 0x0024 -#define PIC32_I2CxADDSET 0x0028 -#define PIC32_I2CxADDINV 0x002C -#define PIC32_I2CxMSK 0x0030 -#define PIC32_I2CxMSKCLR 0x0034 -#define PIC32_I2CxMSKSET 0x0038 -#define PIC32_I2CxMSKINV 0x003C -#define PIC32_I2CxBRG 0x0040 -#define PIC32_I2CxBRGCLR 0x0044 -#define PIC32_I2CxBRGSET 0x0048 -#define PIC32_I2CxBRGINV 0x004C -#define PIC32_I2CxTRN 0x0050 -#define PIC32_I2CxTRNCLR 0x0054 -#define PIC32_I2CxTRNSET 0x0058 -#define PIC32_I2CxTRNINV 0x005C -#define PIC32_I2CxRCV 0x0060 - -struct i2c_platform_data { - u32 base; - struct i2c_adapter adap; - u32 xfer_timeout; - u32 ack_timeout; - u32 ctl_timeout; -}; - -extern u32 pic32_bus_readl(u32 reg); -extern void pic32_bus_writel(u32 val, u32 reg); - -static inline void -StartI2C(struct i2c_platform_data *adap) -{ - pr_debug("StartI2C\n"); - pic32_bus_writel(I2CCON_SEN, adap->base + PIC32_I2CxCONSET); -} - -static inline void -StopI2C(struct i2c_platform_data *adap) -{ - pr_debug("StopI2C\n"); - pic32_bus_writel(I2CCON_PEN, adap->base + PIC32_I2CxCONSET); -} - -static inline void -AckI2C(struct i2c_platform_data *adap) -{ - pr_debug("AckI2C\n"); - pic32_bus_writel(I2CCON_ACKDT, adap->base + PIC32_I2CxCONCLR); - pic32_bus_writel(I2CCON_ACKEN, adap->base + PIC32_I2CxCONSET); -} - -static inline void -NotAckI2C(struct i2c_platform_data *adap) -{ - pr_debug("NakI2C\n"); - pic32_bus_writel(I2CCON_ACKDT, adap->base + PIC32_I2CxCONSET); - pic32_bus_writel(I2CCON_ACKEN, adap->base + PIC32_I2CxCONSET); -} - -static inline int -IdleI2C(struct i2c_platform_data *adap) -{ - int i; - - pr_debug("IdleI2C\n"); - for (i = 0; i < adap->ctl_timeout; i++) { - if (((pic32_bus_readl(adap->base + PIC32_I2CxCON) & - (I2CCON_ACKEN | I2CCON_RCEN | I2CCON_PEN | I2CCON_RSEN | - I2CCON_SEN)) == 0) && - ((pic32_bus_readl(adap->base + PIC32_I2CxSTAT) & - (I2CSTAT_TRSTAT)) == 0)) - return 0; - udelay(1); - } - return -ETIMEDOUT; -} - -static inline u32 -MasterWriteI2C(struct i2c_platform_data *adap, u32 byte) -{ - pr_debug("MasterWriteI2C\n"); - - pic32_bus_writel(byte, adap->base + PIC32_I2CxTRN); - - return pic32_bus_readl(adap->base + PIC32_I2CxSTAT) & I2CSTAT_IWCOL; -} - -static inline u32 -MasterReadI2C(struct i2c_platform_data *adap) -{ - pr_debug("MasterReadI2C\n"); - - pic32_bus_writel(I2CCON_RCEN, adap->base + PIC32_I2CxCONSET); - - while (pic32_bus_readl(adap->base + PIC32_I2CxCON) & I2CCON_RCEN) - ; - - pic32_bus_writel(I2CSTAT_I2COV, adap->base + PIC32_I2CxSTATCLR); - - return pic32_bus_readl(adap->base + PIC32_I2CxRCV); -} - -static int -do_address(struct i2c_platform_data *adap, unsigned int addr, int rd) -{ - pr_debug("doaddress\n"); - - IdleI2C(adap); - StartI2C(adap); - IdleI2C(adap); - - addr <<= 1; - if (rd) - addr |= 1; - - if (MasterWriteI2C(adap, addr)) - return -EIO; - IdleI2C(adap); - if (pic32_bus_readl(adap->base + PIC32_I2CxSTAT) & I2CSTAT_ACKSTAT) - return -EIO; - return 0; -} - -static int -i2c_read(struct i2c_platform_data *adap, unsigned char *buf, - unsigned int len) -{ - int i; - u32 data; - - pr_debug("i2c_read\n"); - - i = 0; - while (i < len) { - data = MasterReadI2C(adap); - buf[i++] = data; - if (i < len) - AckI2C(adap); - else - NotAckI2C(adap); - } - - StopI2C(adap); - IdleI2C(adap); - return 0; -} - -static int -i2c_write(struct i2c_platform_data *adap, unsigned char *buf, - unsigned int len) -{ - int i; - u32 data; - - pr_debug("i2c_write\n"); - - i = 0; - while (i < len) { - data = buf[i]; - if (MasterWriteI2C(adap, data)) - return -EIO; - IdleI2C(adap); - if (pic32_bus_readl(adap->base + PIC32_I2CxSTAT) & - I2CSTAT_ACKSTAT) - return -EIO; - i++; - } - - StopI2C(adap); - IdleI2C(adap); - return 0; -} - -static int -platform_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num) -{ - struct i2c_platform_data *adap = i2c_adap->algo_data; - struct i2c_msg *p; - int i, err = 0; - - pr_debug("platform_xfer\n"); - for (i = 0; i < num; i++) { -#define __BUFSIZE 80 - int ii; - static char buf[__BUFSIZE]; - char *b = buf; - - p = &msgs[i]; - b += sprintf(buf, " [%d bytes]", p->len); - if ((p->flags & I2C_M_RD) == 0) { - for (ii = 0; ii < p->len; ii++) { - if (b < &buf[__BUFSIZE-4]) { - b += sprintf(b, " %02x", p->buf[ii]); - } else { - strcat(b, "..."); - break; - } - } - } - pr_debug("xfer%d: DevAddr: %04x Op:%s Data:%s\n", i, p->addr, - (p->flags & I2C_M_RD) ? "Rd" : "Wr", buf); - } - - - for (i = 0; !err && i < num; i++) { - p = &msgs[i]; - err = do_address(adap, p->addr, p->flags & I2C_M_RD); - if (err || !p->len) - continue; - if (p->flags & I2C_M_RD) - err = i2c_read(adap, p->buf, p->len); - else - err = i2c_write(adap, p->buf, p->len); - } - - /* Return the number of messages processed, or the error code. */ - if (err == 0) - err = num; - - return err; -} - -static u32 -platform_func(struct i2c_adapter *adap) -{ - pr_debug("platform_algo\n"); - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; -} - -static const struct i2c_algorithm platform_algo = { - .master_xfer = platform_xfer, - .functionality = platform_func, -}; - -static void i2c_platform_setup(struct i2c_platform_data *priv) -{ - pr_debug("i2c_platform_setup\n"); - - pic32_bus_writel(500, priv->base + PIC32_I2CxBRG); - pic32_bus_writel(I2CCON_ON, priv->base + PIC32_I2CxCONCLR); - pic32_bus_writel(I2CCON_ON, priv->base + PIC32_I2CxCONSET); - pic32_bus_writel((I2CSTAT_BCL | I2CSTAT_IWCOL), - (priv->base + PIC32_I2CxSTATCLR)); -} - -static void i2c_platform_disable(struct i2c_platform_data *priv) -{ - pr_debug("i2c_platform_disable\n"); -} - -static int i2c_platform_probe(struct platform_device *pdev) -{ - struct i2c_platform_data *priv; - struct resource *r; - int ret; - - pr_debug("i2c_platform_probe\n"); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) - return -ENODEV; - - priv = devm_kzalloc(&pdev->dev, sizeof(struct i2c_platform_data), - GFP_KERNEL); - if (!priv) - return -ENOMEM; - - /* FIXME: need to allocate resource in PIC32 space */ -#if 0 - priv->base = bus_request_region(r->start, resource_size(r), - pdev->name); -#else - priv->base = r->start; -#endif - if (!priv->base) - return -EBUSY; - - priv->xfer_timeout = 200; - priv->ack_timeout = 200; - priv->ctl_timeout = 200; - - priv->adap.nr = pdev->id; - priv->adap.algo = &platform_algo; - priv->adap.algo_data = priv; - priv->adap.dev.parent = &pdev->dev; - strlcpy(priv->adap.name, "PIC32 I2C", sizeof(priv->adap.name)); - - i2c_platform_setup(priv); - - ret = i2c_add_numbered_adapter(&priv->adap); - if (ret) { - i2c_platform_disable(priv); - return ret; - } - - platform_set_drvdata(pdev, priv); - return 0; -} - -static int i2c_platform_remove(struct platform_device *pdev) -{ - struct i2c_platform_data *priv = platform_get_drvdata(pdev); - - pr_debug("i2c_platform_remove\n"); - platform_set_drvdata(pdev, NULL); - i2c_del_adapter(&priv->adap); - i2c_platform_disable(priv); - return 0; -} - -#ifdef CONFIG_PM -static int -i2c_platform_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct i2c_platform_data *priv = platform_get_drvdata(pdev); - - dev_dbg(&pdev->dev, "i2c_platform_disable\n"); - i2c_platform_disable(priv); - - return 0; -} - -static int -i2c_platform_resume(struct platform_device *pdev) -{ - struct i2c_platform_data *priv = platform_get_drvdata(pdev); - - dev_dbg(&pdev->dev, "i2c_platform_setup\n"); - i2c_platform_setup(priv); - - return 0; -} -#else -#define i2c_platform_suspend NULL -#define i2c_platform_resume NULL -#endif - -static struct platform_driver i2c_platform_driver = { - .driver = { - .name = "i2c_pic32", - .owner = THIS_MODULE, - }, - .probe = i2c_platform_probe, - .remove = i2c_platform_remove, - .suspend = i2c_platform_suspend, - .resume = i2c_platform_resume, -}; - -static int __init -i2c_platform_init(void) -{ - pr_debug("i2c_platform_init\n"); - return platform_driver_register(&i2c_platform_driver); -} - -static void __exit -i2c_platform_exit(void) -{ - pr_debug("i2c_platform_exit\n"); - platform_driver_unregister(&i2c_platform_driver); -} - -MODULE_AUTHOR("Chris Dearman, MIPS Technologies INC."); -MODULE_DESCRIPTION("PIC32 I2C driver"); -MODULE_LICENSE("GPL"); - -module_init(i2c_platform_init); -module_exit(i2c_platform_exit); diff --git a/arch/mips/pci/msi-xlp.c b/arch/mips/pci/msi-xlp.c index fa374fe3746b..f7ac3edda1b2 100644 --- a/arch/mips/pci/msi-xlp.c +++ b/arch/mips/pci/msi-xlp.c @@ -443,10 +443,8 @@ static int xlp_setup_msix(uint64_t lnkbase, int node, int link, msg.data = 0xc00 | msixvec; ret = irq_set_msi_desc(xirq, desc); - if (ret < 0) { - destroy_irq(xirq); + if (ret < 0) return ret; - } write_msi_msg(xirq, &msg); return 0; diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 37fe8e7887e2..d3ed15b2b2d1 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c @@ -215,17 +215,12 @@ static int ltq_pci_probe(struct platform_device *pdev) pci_clear_flags(PCI_PROBE_ONLY); - res_cfg = platform_get_resource(pdev, IORESOURCE_MEM, 0); res_bridge = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!res_cfg || !res_bridge) { - dev_err(&pdev->dev, "missing memory resources\n"); - return -EINVAL; - } - ltq_pci_membase = devm_ioremap_resource(&pdev->dev, res_bridge); if (IS_ERR(ltq_pci_membase)) return PTR_ERR(ltq_pci_membase); + res_cfg = platform_get_resource(pdev, IORESOURCE_MEM, 0); ltq_pci_mapped_cfg = devm_ioremap_resource(&pdev->dev, res_cfg); if (IS_ERR(ltq_pci_mapped_cfg)) return PTR_ERR(ltq_pci_mapped_cfg); diff --git a/arch/mips/pmcs-msp71xx/msp_irq.c b/arch/mips/pmcs-msp71xx/msp_irq.c index f914c753de21..8d53d7a2ed45 100644 --- a/arch/mips/pmcs-msp71xx/msp_irq.c +++ b/arch/mips/pmcs-msp71xx/msp_irq.c @@ -16,6 +16,7 @@ #include #include +#include #include diff --git a/arch/mips/pmcs-msp71xx/msp_irq_cic.c b/arch/mips/pmcs-msp71xx/msp_irq_cic.c index b8df2f7b3328..1207ec4dfb77 100644 --- a/arch/mips/pmcs-msp71xx/msp_irq_cic.c +++ b/arch/mips/pmcs-msp71xx/msp_irq_cic.c @@ -131,11 +131,11 @@ static int msp_cic_irq_set_affinity(struct irq_data *d, int cpu; unsigned long flags; unsigned int mtflags; - unsigned long imask = (1 << (irq - MSP_CIC_INTBASE)); + unsigned long imask = (1 << (d->irq - MSP_CIC_INTBASE)); volatile u32 *cic_mask = (volatile u32 *)CIC_VPE0_MSK_REG; /* timer balancing should be disabled in kernel code */ - BUG_ON(irq == MSP_INT_VPE0_TIMER || irq == MSP_INT_VPE1_TIMER); + BUG_ON(d->irq == MSP_INT_VPE0_TIMER || d->irq == MSP_INT_VPE1_TIMER); LOCK_CORE(flags, mtflags); /* enable if any of each VPE's TCs require this IRQ */ diff --git a/arch/mips/sibyte/Makefile b/arch/mips/sibyte/Makefile index c8ed2c807e69..455c40d6d625 100644 --- a/arch/mips/sibyte/Makefile +++ b/arch/mips/sibyte/Makefile @@ -25,3 +25,4 @@ obj-$(CONFIG_SIBYTE_RHONE) += swarm/ obj-$(CONFIG_SIBYTE_SENTOSA) += swarm/ obj-$(CONFIG_SIBYTE_SWARM) += swarm/ obj-$(CONFIG_SIBYTE_BIGSUR) += swarm/ +obj-$(CONFIG_SIBYTE_LITTLESUR) += swarm/ diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index 4006964d8e12..a5cb070b54bf 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -9,6 +9,8 @@ #include #include +#include + #define VERIFY_READ 0 #define VERIFY_WRITE 1 @@ -28,11 +30,6 @@ * that put_user is the same as __put_user, etc. */ -extern int __get_kernel_bad(void); -extern int __get_user_bad(void); -extern int __put_kernel_bad(void); -extern int __put_user_bad(void); - static inline long access_ok(int type, const void __user * addr, unsigned long size) { @@ -43,8 +40,8 @@ static inline long access_ok(int type, const void __user * addr, #define get_user __get_user #if !defined(CONFIG_64BIT) -#define LDD_KERNEL(ptr) __get_kernel_bad(); -#define LDD_USER(ptr) __get_user_bad(); +#define LDD_KERNEL(ptr) BUILD_BUG() +#define LDD_USER(ptr) BUILD_BUG() #define STD_KERNEL(x, ptr) __put_kernel_asm64(x,ptr) #define STD_USER(x, ptr) __put_user_asm64(x,ptr) #define ASM_WORD_INSN ".word\t" @@ -94,7 +91,7 @@ struct exception_data { case 2: __get_kernel_asm("ldh",ptr); break; \ case 4: __get_kernel_asm("ldw",ptr); break; \ case 8: LDD_KERNEL(ptr); break; \ - default: __get_kernel_bad(); break; \ + default: BUILD_BUG(); break; \ } \ } \ else { \ @@ -103,7 +100,7 @@ struct exception_data { case 2: __get_user_asm("ldh",ptr); break; \ case 4: __get_user_asm("ldw",ptr); break; \ case 8: LDD_USER(ptr); break; \ - default: __get_user_bad(); break; \ + default: BUILD_BUG(); break; \ } \ } \ \ @@ -136,7 +133,7 @@ struct exception_data { case 2: __put_kernel_asm("sth",__x,ptr); break; \ case 4: __put_kernel_asm("stw",__x,ptr); break; \ case 8: STD_KERNEL(__x,ptr); break; \ - default: __put_kernel_bad(); break; \ + default: BUILD_BUG(); break; \ } \ } \ else { \ @@ -145,7 +142,7 @@ struct exception_data { case 2: __put_user_asm("sth",__x,ptr); break; \ case 4: __put_user_asm("stw",__x,ptr); break; \ case 8: STD_USER(__x,ptr); break; \ - default: __put_user_bad(); break; \ + default: BUILD_BUG(); break; \ } \ } \ \ diff --git a/arch/parisc/include/uapi/asm/bitsperlong.h b/arch/parisc/include/uapi/asm/bitsperlong.h index 75196b415d3f..e0a23c7bdd43 100644 --- a/arch/parisc/include/uapi/asm/bitsperlong.h +++ b/arch/parisc/include/uapi/asm/bitsperlong.h @@ -1,13 +1,7 @@ #ifndef __ASM_PARISC_BITSPERLONG_H #define __ASM_PARISC_BITSPERLONG_H -/* - * using CONFIG_* outside of __KERNEL__ is wrong, - * __LP64__ was also removed from headers, so what - * is the right approach on parisc? - * -arnd - */ -#if (defined(__KERNEL__) && defined(CONFIG_64BIT)) || defined (__LP64__) +#if defined(__LP64__) #define __BITS_PER_LONG 64 #define SHIFT_PER_LONG 6 #else diff --git a/arch/parisc/include/uapi/asm/msgbuf.h b/arch/parisc/include/uapi/asm/msgbuf.h index fe88f2649418..342138983914 100644 --- a/arch/parisc/include/uapi/asm/msgbuf.h +++ b/arch/parisc/include/uapi/asm/msgbuf.h @@ -1,6 +1,8 @@ #ifndef _PARISC_MSGBUF_H #define _PARISC_MSGBUF_H +#include + /* * The msqid64_ds structure for parisc architecture, copied from sparc. * Note extra padding because this structure is passed back and forth @@ -13,15 +15,15 @@ struct msqid64_ds { struct ipc64_perm msg_perm; -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad1; #endif __kernel_time_t msg_stime; /* last msgsnd time */ -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad2; #endif __kernel_time_t msg_rtime; /* last msgrcv time */ -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad3; #endif __kernel_time_t msg_ctime; /* last change time */ diff --git a/arch/parisc/include/uapi/asm/sembuf.h b/arch/parisc/include/uapi/asm/sembuf.h index 1e59ffd3bd1e..f01d89e30d73 100644 --- a/arch/parisc/include/uapi/asm/sembuf.h +++ b/arch/parisc/include/uapi/asm/sembuf.h @@ -1,6 +1,8 @@ #ifndef _PARISC_SEMBUF_H #define _PARISC_SEMBUF_H +#include + /* * The semid64_ds structure for parisc architecture. * Note extra padding because this structure is passed back and forth @@ -13,11 +15,11 @@ struct semid64_ds { struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad1; #endif __kernel_time_t sem_otime; /* last semop time */ -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad2; #endif __kernel_time_t sem_ctime; /* last change time */ diff --git a/arch/parisc/include/uapi/asm/shmbuf.h b/arch/parisc/include/uapi/asm/shmbuf.h index 0a3eada1863b..8496c38560c6 100644 --- a/arch/parisc/include/uapi/asm/shmbuf.h +++ b/arch/parisc/include/uapi/asm/shmbuf.h @@ -1,6 +1,8 @@ #ifndef _PARISC_SHMBUF_H #define _PARISC_SHMBUF_H +#include + /* * The shmid64_ds structure for parisc architecture. * Note extra padding because this structure is passed back and forth @@ -13,19 +15,19 @@ struct shmid64_ds { struct ipc64_perm shm_perm; /* operation perms */ -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad1; #endif __kernel_time_t shm_atime; /* last attach time */ -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad2; #endif __kernel_time_t shm_dtime; /* last detach time */ -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad3; #endif __kernel_time_t shm_ctime; /* last change time */ -#ifndef CONFIG_64BIT +#if __BITS_PER_LONG != 64 unsigned int __pad4; #endif size_t shm_segsz; /* size of segment (bytes) */ @@ -36,23 +38,16 @@ struct shmid64_ds { unsigned int __unused2; }; -#ifdef CONFIG_64BIT -/* The 'unsigned int' (formerly 'unsigned long') data types below will - * ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on - * a wide kernel, but if some of these values are meant to contain pointers - * they may need to be 'long long' instead. -PB XXX FIXME - */ -#endif struct shminfo64 { - unsigned int shmmax; - unsigned int shmmin; - unsigned int shmmni; - unsigned int shmseg; - unsigned int shmall; - unsigned int __unused1; - unsigned int __unused2; - unsigned int __unused3; - unsigned int __unused4; + unsigned long shmmax; + unsigned long shmmin; + unsigned long shmmni; + unsigned long shmseg; + unsigned long shmall; + unsigned long __unused1; + unsigned long __unused2; + unsigned long __unused3; + unsigned long __unused4; }; #endif /* _PARISC_SHMBUF_H */ diff --git a/arch/parisc/include/uapi/asm/signal.h b/arch/parisc/include/uapi/asm/signal.h index 10df7079f4cd..e26043b73f5d 100644 --- a/arch/parisc/include/uapi/asm/signal.h +++ b/arch/parisc/include/uapi/asm/signal.h @@ -85,7 +85,7 @@ struct siginfo; /* Type of a signal handler. */ -#ifdef CONFIG_64BIT +#if defined(__LP64__) /* function pointers on 64-bit parisc are pointers to little structs and the * compiler doesn't support code which changes or tests the address of * the function in the little struct. This is really ugly -PB diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index 8667f18be238..5f5c0373de63 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -833,8 +833,9 @@ #define __NR_seccomp (__NR_Linux + 338) #define __NR_getrandom (__NR_Linux + 339) #define __NR_memfd_create (__NR_Linux + 340) +#define __NR_bpf (__NR_Linux + 341) -#define __NR_Linux_syscalls (__NR_memfd_create + 1) +#define __NR_Linux_syscalls (__NR_bpf + 1) #define __IGNORE_select /* newselect */ diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index b563d9c8268b..fe4f0b89bf8f 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -286,11 +286,11 @@ ENTRY_COMP(msgsnd) ENTRY_COMP(msgrcv) ENTRY_SAME(msgget) /* 190 */ - ENTRY_SAME(msgctl) - ENTRY_SAME(shmat) + ENTRY_COMP(msgctl) + ENTRY_COMP(shmat) ENTRY_SAME(shmdt) ENTRY_SAME(shmget) - ENTRY_SAME(shmctl) /* 195 */ + ENTRY_COMP(shmctl) /* 195 */ ENTRY_SAME(ni_syscall) /* streams1 */ ENTRY_SAME(ni_syscall) /* streams2 */ ENTRY_SAME(lstat64) @@ -323,7 +323,7 @@ ENTRY_SAME(epoll_ctl) /* 225 */ ENTRY_SAME(epoll_wait) ENTRY_SAME(remap_file_pages) - ENTRY_SAME(semtimedop) + ENTRY_COMP(semtimedop) ENTRY_COMP(mq_open) ENTRY_SAME(mq_unlink) /* 230 */ ENTRY_COMP(mq_timedsend) @@ -436,6 +436,7 @@ ENTRY_SAME(seccomp) ENTRY_SAME(getrandom) ENTRY_SAME(memfd_create) /* 340 */ + ENTRY_SAME(bpf) /* Nothing yet */ diff --git a/arch/powerpc/configs/pseries_le_defconfig b/arch/powerpc/configs/pseries_le_defconfig index 63392f4b29a4..d2008887eb8c 100644 --- a/arch/powerpc/configs/pseries_le_defconfig +++ b/arch/powerpc/configs/pseries_le_defconfig @@ -48,7 +48,6 @@ CONFIG_KEXEC=y CONFIG_IRQ_ALL_CPUS=y CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTREMOVE=y -CONFIG_CMA=y CONFIG_PPC_64K_PAGES=y CONFIG_PPC_SUBPAGE_PROT=y CONFIG_SCHED_SMT=y @@ -138,6 +137,7 @@ CONFIG_NETCONSOLE=y CONFIG_NETPOLL_TRAP=y CONFIG_TUN=m CONFIG_VIRTIO_NET=m +CONFIG_VHOST_NET=m CONFIG_VORTEX=y CONFIG_ACENIC=m CONFIG_ACENIC_OMIT_TIGON_I=y @@ -303,4 +303,9 @@ CONFIG_CRYPTO_LZO=m # CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRYPTO_DEV_NX=y CONFIG_CRYPTO_DEV_NX_ENCRYPT=m +CONFIG_VIRTUALIZATION=y +CONFIG_KVM_BOOK3S_64=m +CONFIG_KVM_BOOK3S_64_HV=y +CONFIG_TRANSPARENT_HUGEPAGE=y +CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index 3b260efbfbf9..ca07f9c27335 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -71,9 +71,10 @@ struct device_node; #define EEH_PE_ISOLATED (1 << 0) /* Isolated PE */ #define EEH_PE_RECOVERING (1 << 1) /* Recovering PE */ -#define EEH_PE_RESET (1 << 2) /* PE reset in progress */ +#define EEH_PE_CFG_BLOCKED (1 << 2) /* Block config access */ #define EEH_PE_KEEP (1 << 8) /* Keep PE on hotplug */ +#define EEH_PE_CFG_RESTRICTED (1 << 9) /* Block config on error */ struct eeh_pe { int type; /* PE type: PHB/Bus/Device */ diff --git a/arch/powerpc/include/asm/fadump.h b/arch/powerpc/include/asm/fadump.h index a6774560afe3..493e72f64b35 100644 --- a/arch/powerpc/include/asm/fadump.h +++ b/arch/powerpc/include/asm/fadump.h @@ -70,39 +70,39 @@ #define CPU_UNKNOWN (~((u32)0)) /* Utility macros */ -#define SKIP_TO_NEXT_CPU(reg_entry) \ -({ \ - while (reg_entry->reg_id != REG_ID("CPUEND")) \ - reg_entry++; \ - reg_entry++; \ +#define SKIP_TO_NEXT_CPU(reg_entry) \ +({ \ + while (be64_to_cpu(reg_entry->reg_id) != REG_ID("CPUEND")) \ + reg_entry++; \ + reg_entry++; \ }) /* Kernel Dump section info */ struct fadump_section { - u32 request_flag; - u16 source_data_type; - u16 error_flags; - u64 source_address; - u64 source_len; - u64 bytes_dumped; - u64 destination_address; + __be32 request_flag; + __be16 source_data_type; + __be16 error_flags; + __be64 source_address; + __be64 source_len; + __be64 bytes_dumped; + __be64 destination_address; }; /* ibm,configure-kernel-dump header. */ struct fadump_section_header { - u32 dump_format_version; - u16 dump_num_sections; - u16 dump_status_flag; - u32 offset_first_dump_section; + __be32 dump_format_version; + __be16 dump_num_sections; + __be16 dump_status_flag; + __be32 offset_first_dump_section; /* Fields for disk dump option. */ - u32 dd_block_size; - u64 dd_block_offset; - u64 dd_num_blocks; - u32 dd_offset_disk_path; + __be32 dd_block_size; + __be64 dd_block_offset; + __be64 dd_num_blocks; + __be32 dd_offset_disk_path; /* Maximum time allowed to prevent an automatic dump-reboot. */ - u32 max_time_auto; + __be32 max_time_auto; }; /* @@ -174,15 +174,15 @@ static inline u64 str_to_u64(const char *str) /* Register save area header. */ struct fadump_reg_save_area_header { - u64 magic_number; - u32 version; - u32 num_cpu_offset; + __be64 magic_number; + __be32 version; + __be32 num_cpu_offset; }; /* Register entry. */ struct fadump_reg_entry { - u64 reg_id; - u64 reg_value; + __be64 reg_id; + __be64 reg_value; }; /* fadump crash info structure */ diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 623f2971ce0e..766b77d527ac 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -71,7 +71,7 @@ pte_t *huge_pte_offset_and_shift(struct mm_struct *mm, void flush_dcache_icache_hugepage(struct page *page); -#if defined(CONFIG_PPC_MM_SLICES) || defined(CONFIG_PPC_SUBPAGE_PROT) +#if defined(CONFIG_PPC_MM_SLICES) int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len); #else diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index 42632c7a2a4e..9cfa3706a1b8 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -137,13 +137,16 @@ static inline void set_iommu_table_base_and_group(struct device *dev, iommu_add_device(dev); } -extern int iommu_map_sg(struct device *dev, struct iommu_table *tbl, - struct scatterlist *sglist, int nelems, - unsigned long mask, enum dma_data_direction direction, - struct dma_attrs *attrs); -extern void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, - int nelems, enum dma_data_direction direction, - struct dma_attrs *attrs); +extern int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl, + struct scatterlist *sglist, int nelems, + unsigned long mask, + enum dma_data_direction direction, + struct dma_attrs *attrs); +extern void ppc_iommu_unmap_sg(struct iommu_table *tbl, + struct scatterlist *sglist, + int nelems, + enum dma_data_direction direction, + struct dma_attrs *attrs); extern void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl, size_t size, dma_addr_t *dma_handle, diff --git a/arch/powerpc/include/asm/perf_event.h b/arch/powerpc/include/asm/perf_event.h index 0bb23725b1e7..8bf1b6351716 100644 --- a/arch/powerpc/include/asm/perf_event.h +++ b/arch/powerpc/include/asm/perf_event.h @@ -34,7 +34,7 @@ do { \ (regs)->result = 0; \ (regs)->nip = __ip; \ - (regs)->gpr[1] = *(unsigned long *)__get_SP(); \ + (regs)->gpr[1] = current_stack_pointer(); \ asm volatile("mfmsr %0" : "=r" ((regs)->msr)); \ } while (0) #endif diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index fe3f9488f321..c998279bd85b 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1265,8 +1265,7 @@ static inline unsigned long mfvtb (void) #define proc_trap() asm volatile("trap") -#define __get_SP() ({unsigned long sp; \ - asm volatile("mr %0,1": "=r" (sp)); sp;}) +extern unsigned long current_stack_pointer(void); extern unsigned long scom970_read(unsigned int address); extern void scom970_write(unsigned int address, unsigned long value); diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h index 6fa2708da153..6240698fee9a 100644 --- a/arch/powerpc/include/asm/syscall.h +++ b/arch/powerpc/include/asm/syscall.h @@ -19,7 +19,7 @@ /* ftrace syscalls requires exporting the sys_call_table */ #ifdef CONFIG_FTRACE_SYSCALLS -extern const unsigned long *sys_call_table; +extern const unsigned long sys_call_table[]; #endif /* CONFIG_FTRACE_SYSCALLS */ static inline long syscall_get_nr(struct task_struct *task, diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index 7d8a60068805..ce9577d693be 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -365,3 +365,4 @@ SYSCALL_SPU(renameat2) SYSCALL_SPU(seccomp) SYSCALL_SPU(getrandom) SYSCALL_SPU(memfd_create) +SYSCALL_SPU(bpf) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 4e9af3fd43e7..e0da021caa00 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include -#define __NR_syscalls 361 +#define __NR_syscalls 362 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index 0688fc06e183..f55351f2e66e 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -383,5 +383,6 @@ #define __NR_seccomp 358 #define __NR_getrandom 359 #define __NR_memfd_create 360 +#define __NR_bpf 361 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index 54d0116256f7..4c68bfe4108a 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -60,16 +60,16 @@ static int dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist, int nelems, enum dma_data_direction direction, struct dma_attrs *attrs) { - return iommu_map_sg(dev, get_iommu_table_base(dev), sglist, nelems, - device_to_mask(dev), direction, attrs); + return ppc_iommu_map_sg(dev, get_iommu_table_base(dev), sglist, nelems, + device_to_mask(dev), direction, attrs); } static void dma_iommu_unmap_sg(struct device *dev, struct scatterlist *sglist, int nelems, enum dma_data_direction direction, struct dma_attrs *attrs) { - iommu_unmap_sg(get_iommu_table_base(dev), sglist, nelems, direction, - attrs); + ppc_iommu_unmap_sg(get_iommu_table_base(dev), sglist, nelems, + direction, attrs); } /* We support DMA to/from any memory page via the iommu */ diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index adac9dc54aee..484b2d4462c1 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -53,9 +53,16 @@ void *dma_direct_alloc_coherent(struct device *dev, size_t size, #else struct page *page; int node = dev_to_node(dev); +#ifdef CONFIG_FSL_SOC u64 pfn = get_pfn_limit(dev); int zone; + /* + * This code should be OK on other platforms, but we have drivers that + * don't set coherent_dma_mask. As a workaround we just ifdef it. This + * whole routine needs some serious cleanup. + */ + zone = dma_pfn_limit_to_zone(pfn); if (zone < 0) { dev_err(dev, "%s: No suitable zone for pfn %#llx\n", @@ -73,6 +80,7 @@ void *dma_direct_alloc_coherent(struct device *dev, size_t size, break; #endif }; +#endif /* CONFIG_FSL_SOC */ /* ignore region specifiers */ flag &= ~(__GFP_HIGHMEM); diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index d543e4179c18..2248a1999c64 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -257,6 +257,13 @@ static void *eeh_dump_pe_log(void *data, void *flag) struct eeh_dev *edev, *tmp; size_t *plen = flag; + /* If the PE's config space is blocked, 0xFF's will be + * returned. It's pointless to collect the log in this + * case. + */ + if (pe->state & EEH_PE_CFG_BLOCKED) + return NULL; + eeh_pe_for_each_dev(pe, edev, tmp) *plen += eeh_dump_dev_log(edev, pci_regs_buf + *plen, EEH_PCI_REGS_LOG_LEN - *plen); @@ -673,18 +680,18 @@ int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state stat switch (state) { case pcie_deassert_reset: eeh_ops->reset(pe, EEH_RESET_DEACTIVATE); - eeh_pe_state_clear(pe, EEH_PE_RESET); + eeh_pe_state_clear(pe, EEH_PE_CFG_BLOCKED); break; case pcie_hot_reset: - eeh_pe_state_mark(pe, EEH_PE_RESET); + eeh_pe_state_mark(pe, EEH_PE_CFG_BLOCKED); eeh_ops->reset(pe, EEH_RESET_HOT); break; case pcie_warm_reset: - eeh_pe_state_mark(pe, EEH_PE_RESET); + eeh_pe_state_mark(pe, EEH_PE_CFG_BLOCKED); eeh_ops->reset(pe, EEH_RESET_FUNDAMENTAL); break; default: - eeh_pe_state_clear(pe, EEH_PE_RESET); + eeh_pe_state_clear(pe, EEH_PE_CFG_BLOCKED); return -EINVAL; }; @@ -1523,7 +1530,7 @@ int eeh_pe_reset(struct eeh_pe *pe, int option) switch (option) { case EEH_RESET_DEACTIVATE: ret = eeh_ops->reset(pe, option); - eeh_pe_state_clear(pe, EEH_PE_RESET); + eeh_pe_state_clear(pe, EEH_PE_CFG_BLOCKED); if (ret) break; @@ -1538,7 +1545,7 @@ int eeh_pe_reset(struct eeh_pe *pe, int option) */ eeh_ops->set_option(pe, EEH_OPT_FREEZE_PE); - eeh_pe_state_mark(pe, EEH_PE_RESET); + eeh_pe_state_mark(pe, EEH_PE_CFG_BLOCKED); ret = eeh_ops->reset(pe, option); break; default: diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 3fd514f8e4b2..6535936bdf27 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -528,13 +528,13 @@ int eeh_pe_reset_and_recover(struct eeh_pe *pe) eeh_pe_dev_traverse(pe, eeh_report_error, &result); /* Issue reset */ - eeh_pe_state_mark(pe, EEH_PE_RESET); + eeh_pe_state_mark(pe, EEH_PE_CFG_BLOCKED); ret = eeh_reset_pe(pe); if (ret) { - eeh_pe_state_clear(pe, EEH_PE_RECOVERING | EEH_PE_RESET); + eeh_pe_state_clear(pe, EEH_PE_RECOVERING | EEH_PE_CFG_BLOCKED); return ret; } - eeh_pe_state_clear(pe, EEH_PE_RESET); + eeh_pe_state_clear(pe, EEH_PE_CFG_BLOCKED); /* Unfreeze the PE */ ret = eeh_clear_pe_frozen_state(pe, true); @@ -601,10 +601,10 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus) * config accesses. So we prefer to block them. However, controlled * PCI config accesses initiated from EEH itself are allowed. */ - eeh_pe_state_mark(pe, EEH_PE_RESET); + eeh_pe_state_mark(pe, EEH_PE_CFG_BLOCKED); rc = eeh_reset_pe(pe); if (rc) { - eeh_pe_state_clear(pe, EEH_PE_RESET); + eeh_pe_state_clear(pe, EEH_PE_CFG_BLOCKED); return rc; } @@ -613,7 +613,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus) /* Restore PE */ eeh_ops->configure_bridge(pe); eeh_pe_restore_bars(pe); - eeh_pe_state_clear(pe, EEH_PE_RESET); + eeh_pe_state_clear(pe, EEH_PE_CFG_BLOCKED); /* Clear frozen state */ rc = eeh_clear_pe_frozen_state(pe, false); diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c index 53dd0915e690..5a63e2b0f65b 100644 --- a/arch/powerpc/kernel/eeh_pe.c +++ b/arch/powerpc/kernel/eeh_pe.c @@ -525,7 +525,7 @@ static void *__eeh_pe_state_mark(void *data, void *flag) pe->state |= state; /* Offline PCI devices if applicable */ - if (state != EEH_PE_ISOLATED) + if (!(state & EEH_PE_ISOLATED)) return NULL; eeh_pe_for_each_dev(pe, edev, tmp) { @@ -534,6 +534,10 @@ static void *__eeh_pe_state_mark(void *data, void *flag) pdev->error_state = pci_channel_io_frozen; } + /* Block PCI config access if required */ + if (pe->state & EEH_PE_CFG_RESTRICTED) + pe->state |= EEH_PE_CFG_BLOCKED; + return NULL; } @@ -611,6 +615,10 @@ static void *__eeh_pe_state_clear(void *data, void *flag) pdev->error_state = pci_channel_io_normal; } + /* Unblock PCI config access if required */ + if (pe->state & EEH_PE_CFG_RESTRICTED) + pe->state &= ~EEH_PE_CFG_BLOCKED; + return NULL; } diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 5bbd1bc8c3b0..0905c8da90f1 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -659,7 +659,13 @@ _GLOBAL(ret_from_except_lite) 3: #endif bl save_nvgprs + /* + * Use a non volatile GPR to save and restore our thread_info flags + * across the call to restore_interrupts. + */ + mr r30,r4 bl restore_interrupts + mr r4,r30 addi r3,r1,STACK_FRAME_OVERHEAD bl do_notify_resume b ret_from_except diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 050f79a4a168..72e783ea0681 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1270,11 +1270,6 @@ hmi_exception_early: addi r3,r1,STACK_FRAME_OVERHEAD bl hmi_exception_realmode /* Windup the stack. */ - /* Clear MSR_RI before setting SRR0 and SRR1. */ - li r0,MSR_RI - mfmsr r9 /* get MSR value */ - andc r9,r9,r0 - mtmsrd r9,1 /* Clear MSR_RI */ /* Move original HSRR0 and HSRR1 into the respective regs */ ld r9,_MSR(r1) mtspr SPRN_HSRR1,r9 diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 742694c1d852..26d091a1a54c 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -58,7 +58,7 @@ int __init early_init_dt_scan_fw_dump(unsigned long node, const __be32 *sections; int i, num_sections; int size; - const int *token; + const __be32 *token; if (depth != 1 || strcmp(uname, "rtas") != 0) return 0; @@ -72,7 +72,7 @@ int __init early_init_dt_scan_fw_dump(unsigned long node, return 1; fw_dump.fadump_supported = 1; - fw_dump.ibm_configure_kernel_dump = *token; + fw_dump.ibm_configure_kernel_dump = be32_to_cpu(*token); /* * The 'ibm,kernel-dump' rtas node is present only if there is @@ -147,11 +147,11 @@ static unsigned long init_fadump_mem_struct(struct fadump_mem_struct *fdm, memset(fdm, 0, sizeof(struct fadump_mem_struct)); addr = addr & PAGE_MASK; - fdm->header.dump_format_version = 0x00000001; - fdm->header.dump_num_sections = 3; + fdm->header.dump_format_version = cpu_to_be32(0x00000001); + fdm->header.dump_num_sections = cpu_to_be16(3); fdm->header.dump_status_flag = 0; fdm->header.offset_first_dump_section = - (u32)offsetof(struct fadump_mem_struct, cpu_state_data); + cpu_to_be32((u32)offsetof(struct fadump_mem_struct, cpu_state_data)); /* * Fields for disk dump option. @@ -167,27 +167,27 @@ static unsigned long init_fadump_mem_struct(struct fadump_mem_struct *fdm, /* Kernel dump sections */ /* cpu state data section. */ - fdm->cpu_state_data.request_flag = FADUMP_REQUEST_FLAG; - fdm->cpu_state_data.source_data_type = FADUMP_CPU_STATE_DATA; + fdm->cpu_state_data.request_flag = cpu_to_be32(FADUMP_REQUEST_FLAG); + fdm->cpu_state_data.source_data_type = cpu_to_be16(FADUMP_CPU_STATE_DATA); fdm->cpu_state_data.source_address = 0; - fdm->cpu_state_data.source_len = fw_dump.cpu_state_data_size; - fdm->cpu_state_data.destination_address = addr; + fdm->cpu_state_data.source_len = cpu_to_be64(fw_dump.cpu_state_data_size); + fdm->cpu_state_data.destination_address = cpu_to_be64(addr); addr += fw_dump.cpu_state_data_size; /* hpte region section */ - fdm->hpte_region.request_flag = FADUMP_REQUEST_FLAG; - fdm->hpte_region.source_data_type = FADUMP_HPTE_REGION; + fdm->hpte_region.request_flag = cpu_to_be32(FADUMP_REQUEST_FLAG); + fdm->hpte_region.source_data_type = cpu_to_be16(FADUMP_HPTE_REGION); fdm->hpte_region.source_address = 0; - fdm->hpte_region.source_len = fw_dump.hpte_region_size; - fdm->hpte_region.destination_address = addr; + fdm->hpte_region.source_len = cpu_to_be64(fw_dump.hpte_region_size); + fdm->hpte_region.destination_address = cpu_to_be64(addr); addr += fw_dump.hpte_region_size; /* RMA region section */ - fdm->rmr_region.request_flag = FADUMP_REQUEST_FLAG; - fdm->rmr_region.source_data_type = FADUMP_REAL_MODE_REGION; - fdm->rmr_region.source_address = RMA_START; - fdm->rmr_region.source_len = fw_dump.boot_memory_size; - fdm->rmr_region.destination_address = addr; + fdm->rmr_region.request_flag = cpu_to_be32(FADUMP_REQUEST_FLAG); + fdm->rmr_region.source_data_type = cpu_to_be16(FADUMP_REAL_MODE_REGION); + fdm->rmr_region.source_address = cpu_to_be64(RMA_START); + fdm->rmr_region.source_len = cpu_to_be64(fw_dump.boot_memory_size); + fdm->rmr_region.destination_address = cpu_to_be64(addr); addr += fw_dump.boot_memory_size; return addr; @@ -272,7 +272,7 @@ int __init fadump_reserve_mem(void) * first kernel. */ if (fdm_active) - fw_dump.boot_memory_size = fdm_active->rmr_region.source_len; + fw_dump.boot_memory_size = be64_to_cpu(fdm_active->rmr_region.source_len); else fw_dump.boot_memory_size = fadump_calculate_reserve_size(); @@ -314,8 +314,8 @@ int __init fadump_reserve_mem(void) (unsigned long)(base >> 20)); fw_dump.fadumphdr_addr = - fdm_active->rmr_region.destination_address + - fdm_active->rmr_region.source_len; + be64_to_cpu(fdm_active->rmr_region.destination_address) + + be64_to_cpu(fdm_active->rmr_region.source_len); pr_debug("fadumphdr_addr = %p\n", (void *) fw_dump.fadumphdr_addr); } else { @@ -472,9 +472,9 @@ fadump_read_registers(struct fadump_reg_entry *reg_entry, struct pt_regs *regs) { memset(regs, 0, sizeof(struct pt_regs)); - while (reg_entry->reg_id != REG_ID("CPUEND")) { - fadump_set_regval(regs, reg_entry->reg_id, - reg_entry->reg_value); + while (be64_to_cpu(reg_entry->reg_id) != REG_ID("CPUEND")) { + fadump_set_regval(regs, be64_to_cpu(reg_entry->reg_id), + be64_to_cpu(reg_entry->reg_value)); reg_entry++; } reg_entry++; @@ -603,20 +603,20 @@ static int __init fadump_build_cpu_notes(const struct fadump_mem_struct *fdm) if (!fdm->cpu_state_data.bytes_dumped) return -EINVAL; - addr = fdm->cpu_state_data.destination_address; + addr = be64_to_cpu(fdm->cpu_state_data.destination_address); vaddr = __va(addr); reg_header = vaddr; - if (reg_header->magic_number != REGSAVE_AREA_MAGIC) { + if (be64_to_cpu(reg_header->magic_number) != REGSAVE_AREA_MAGIC) { printk(KERN_ERR "Unable to read register save area.\n"); return -ENOENT; } pr_debug("--------CPU State Data------------\n"); - pr_debug("Magic Number: %llx\n", reg_header->magic_number); - pr_debug("NumCpuOffset: %x\n", reg_header->num_cpu_offset); + pr_debug("Magic Number: %llx\n", be64_to_cpu(reg_header->magic_number)); + pr_debug("NumCpuOffset: %x\n", be32_to_cpu(reg_header->num_cpu_offset)); - vaddr += reg_header->num_cpu_offset; - num_cpus = *((u32 *)(vaddr)); + vaddr += be32_to_cpu(reg_header->num_cpu_offset); + num_cpus = be32_to_cpu(*((__be32 *)(vaddr))); pr_debug("NumCpus : %u\n", num_cpus); vaddr += sizeof(u32); reg_entry = (struct fadump_reg_entry *)vaddr; @@ -639,13 +639,13 @@ static int __init fadump_build_cpu_notes(const struct fadump_mem_struct *fdm) fdh = __va(fw_dump.fadumphdr_addr); for (i = 0; i < num_cpus; i++) { - if (reg_entry->reg_id != REG_ID("CPUSTRT")) { + if (be64_to_cpu(reg_entry->reg_id) != REG_ID("CPUSTRT")) { printk(KERN_ERR "Unable to read CPU state data\n"); rc = -ENOENT; goto error_out; } /* Lower 4 bytes of reg_value contains logical cpu id */ - cpu = reg_entry->reg_value & FADUMP_CPU_ID_MASK; + cpu = be64_to_cpu(reg_entry->reg_value) & FADUMP_CPU_ID_MASK; if (fdh && !cpumask_test_cpu(cpu, &fdh->cpu_online_mask)) { SKIP_TO_NEXT_CPU(reg_entry); continue; @@ -692,7 +692,7 @@ static int __init process_fadump(const struct fadump_mem_struct *fdm_active) return -EINVAL; /* Check if the dump data is valid. */ - if ((fdm_active->header.dump_status_flag == FADUMP_ERROR_FLAG) || + if ((be16_to_cpu(fdm_active->header.dump_status_flag) == FADUMP_ERROR_FLAG) || (fdm_active->cpu_state_data.error_flags != 0) || (fdm_active->rmr_region.error_flags != 0)) { printk(KERN_ERR "Dump taken by platform is not valid\n"); @@ -828,7 +828,7 @@ static void fadump_setup_crash_memory_ranges(void) static inline unsigned long fadump_relocate(unsigned long paddr) { if (paddr > RMA_START && paddr < fw_dump.boot_memory_size) - return fdm.rmr_region.destination_address + paddr; + return be64_to_cpu(fdm.rmr_region.destination_address) + paddr; else return paddr; } @@ -902,7 +902,7 @@ static int fadump_create_elfcore_headers(char *bufp) * to the specified destination_address. Hence set * the correct offset. */ - phdr->p_offset = fdm.rmr_region.destination_address; + phdr->p_offset = be64_to_cpu(fdm.rmr_region.destination_address); } phdr->p_paddr = mbase; @@ -951,7 +951,7 @@ static void register_fadump(void) fadump_setup_crash_memory_ranges(); - addr = fdm.rmr_region.destination_address + fdm.rmr_region.source_len; + addr = be64_to_cpu(fdm.rmr_region.destination_address) + be64_to_cpu(fdm.rmr_region.source_len); /* Initialize fadump crash info header. */ addr = init_fadump_header(addr); vaddr = __va(addr); @@ -1023,7 +1023,7 @@ void fadump_cleanup(void) /* Invalidate the registration only if dump is active. */ if (fw_dump.dump_active) { init_fadump_mem_struct(&fdm, - fdm_active->cpu_state_data.destination_address); + be64_to_cpu(fdm_active->cpu_state_data.destination_address)); fadump_invalidate_dump(&fdm); } } @@ -1063,7 +1063,7 @@ static void fadump_invalidate_release_mem(void) return; } - destination_address = fdm_active->cpu_state_data.destination_address; + destination_address = be64_to_cpu(fdm_active->cpu_state_data.destination_address); fadump_cleanup(); mutex_unlock(&fadump_mutex); @@ -1183,31 +1183,31 @@ static int fadump_region_show(struct seq_file *m, void *private) seq_printf(m, "CPU : [%#016llx-%#016llx] %#llx bytes, " "Dumped: %#llx\n", - fdm_ptr->cpu_state_data.destination_address, - fdm_ptr->cpu_state_data.destination_address + - fdm_ptr->cpu_state_data.source_len - 1, - fdm_ptr->cpu_state_data.source_len, - fdm_ptr->cpu_state_data.bytes_dumped); + be64_to_cpu(fdm_ptr->cpu_state_data.destination_address), + be64_to_cpu(fdm_ptr->cpu_state_data.destination_address) + + be64_to_cpu(fdm_ptr->cpu_state_data.source_len) - 1, + be64_to_cpu(fdm_ptr->cpu_state_data.source_len), + be64_to_cpu(fdm_ptr->cpu_state_data.bytes_dumped)); seq_printf(m, "HPTE: [%#016llx-%#016llx] %#llx bytes, " "Dumped: %#llx\n", - fdm_ptr->hpte_region.destination_address, - fdm_ptr->hpte_region.destination_address + - fdm_ptr->hpte_region.source_len - 1, - fdm_ptr->hpte_region.source_len, - fdm_ptr->hpte_region.bytes_dumped); + be64_to_cpu(fdm_ptr->hpte_region.destination_address), + be64_to_cpu(fdm_ptr->hpte_region.destination_address) + + be64_to_cpu(fdm_ptr->hpte_region.source_len) - 1, + be64_to_cpu(fdm_ptr->hpte_region.source_len), + be64_to_cpu(fdm_ptr->hpte_region.bytes_dumped)); seq_printf(m, "DUMP: [%#016llx-%#016llx] %#llx bytes, " "Dumped: %#llx\n", - fdm_ptr->rmr_region.destination_address, - fdm_ptr->rmr_region.destination_address + - fdm_ptr->rmr_region.source_len - 1, - fdm_ptr->rmr_region.source_len, - fdm_ptr->rmr_region.bytes_dumped); + be64_to_cpu(fdm_ptr->rmr_region.destination_address), + be64_to_cpu(fdm_ptr->rmr_region.destination_address) + + be64_to_cpu(fdm_ptr->rmr_region.source_len) - 1, + be64_to_cpu(fdm_ptr->rmr_region.source_len), + be64_to_cpu(fdm_ptr->rmr_region.bytes_dumped)); if (!fdm_active || (fw_dump.reserve_dump_area_start == - fdm_ptr->cpu_state_data.destination_address)) + be64_to_cpu(fdm_ptr->cpu_state_data.destination_address))) goto out; /* Dump is active. Show reserved memory region. */ @@ -1215,10 +1215,10 @@ static int fadump_region_show(struct seq_file *m, void *private) " : [%#016llx-%#016llx] %#llx bytes, " "Dumped: %#llx\n", (unsigned long long)fw_dump.reserve_dump_area_start, - fdm_ptr->cpu_state_data.destination_address - 1, - fdm_ptr->cpu_state_data.destination_address - + be64_to_cpu(fdm_ptr->cpu_state_data.destination_address) - 1, + be64_to_cpu(fdm_ptr->cpu_state_data.destination_address) - fw_dump.reserve_dump_area_start, - fdm_ptr->cpu_state_data.destination_address - + be64_to_cpu(fdm_ptr->cpu_state_data.destination_address) - fw_dump.reserve_dump_area_start); out: if (fdm_active) diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index a10642a0d861..a83cf5ef6488 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -428,10 +428,10 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, ppc_md.tce_flush(tbl); } -int iommu_map_sg(struct device *dev, struct iommu_table *tbl, - struct scatterlist *sglist, int nelems, - unsigned long mask, enum dma_data_direction direction, - struct dma_attrs *attrs) +int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl, + struct scatterlist *sglist, int nelems, + unsigned long mask, enum dma_data_direction direction, + struct dma_attrs *attrs) { dma_addr_t dma_next = 0, dma_addr; struct scatterlist *s, *outs, *segstart; @@ -539,7 +539,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, DBG("mapped %d elements:\n", outcount); - /* For the sake of iommu_unmap_sg, we clear out the length in the + /* For the sake of ppc_iommu_unmap_sg, we clear out the length in the * next entry of the sglist if we didn't fill the list completely */ if (outcount < incount) { @@ -572,9 +572,9 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, } -void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, - int nelems, enum dma_data_direction direction, - struct dma_attrs *attrs) +void ppc_iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, + int nelems, enum dma_data_direction direction, + struct dma_attrs *attrs) { struct scatterlist *sg; diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 8eb857f216c1..c14383575fe8 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -466,7 +466,7 @@ static inline void check_stack_overflow(void) #ifdef CONFIG_DEBUG_STACKOVERFLOW long sp; - sp = __get_SP() & (THREAD_SIZE-1); + sp = current_stack_pointer() & (THREAD_SIZE-1); /* check for stack overflow: is there less than 2KB free? */ if (unlikely(sp < (sizeof(struct thread_info) + 2048))) { diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S index 7ce26d45777e..0d432194c018 100644 --- a/arch/powerpc/kernel/misc.S +++ b/arch/powerpc/kernel/misc.S @@ -114,3 +114,7 @@ _GLOBAL(longjmp) mtlr r0 mr r3,r4 blr + +_GLOBAL(current_stack_pointer) + PPC_LL r3,0(r1) + blr diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index c4dfff6c2719..202963ee013a 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -41,3 +41,5 @@ EXPORT_SYMBOL(giveup_spe); #ifdef CONFIG_EPAPR_PARAVIRT EXPORT_SYMBOL(epapr_hypercall_start); #endif + +EXPORT_SYMBOL(current_stack_pointer); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index aa1df89c8b2a..923cd2daba89 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1545,7 +1545,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) tsk = current; if (sp == 0) { if (tsk == current) - asm("mr %0,1" : "=r" (sp)); + sp = current_stack_pointer(); else sp = tsk->thread.ksp; } diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c index c168337aef9d..7c55b86206b3 100644 --- a/arch/powerpc/kernel/rtas_pci.c +++ b/arch/powerpc/kernel/rtas_pci.c @@ -66,6 +66,11 @@ int rtas_read_config(struct pci_dn *pdn, int where, int size, u32 *val) return PCIBIOS_DEVICE_NOT_FOUND; if (!config_access_valid(pdn, where)) return PCIBIOS_BAD_REGISTER_NUMBER; +#ifdef CONFIG_EEH + if (pdn->edev && pdn->edev->pe && + (pdn->edev->pe->state & EEH_PE_CFG_BLOCKED)) + return PCIBIOS_SET_FAILED; +#endif addr = rtas_config_addr(pdn->busno, pdn->devfn, where); buid = pdn->phb->buid; @@ -90,9 +95,6 @@ static int rtas_pci_read_config(struct pci_bus *bus, struct device_node *busdn, *dn; struct pci_dn *pdn; bool found = false; -#ifdef CONFIG_EEH - struct eeh_dev *edev; -#endif int ret; /* Search only direct children of the bus */ @@ -109,11 +111,6 @@ static int rtas_pci_read_config(struct pci_bus *bus, if (!found) return PCIBIOS_DEVICE_NOT_FOUND; -#ifdef CONFIG_EEH - edev = of_node_to_eeh_dev(dn); - if (edev && edev->pe && edev->pe->state & EEH_PE_RESET) - return PCIBIOS_DEVICE_NOT_FOUND; -#endif ret = rtas_read_config(pdn, where, size, val); if (*val == EEH_IO_ERROR_VALUE(size) && @@ -132,6 +129,11 @@ int rtas_write_config(struct pci_dn *pdn, int where, int size, u32 val) return PCIBIOS_DEVICE_NOT_FOUND; if (!config_access_valid(pdn, where)) return PCIBIOS_BAD_REGISTER_NUMBER; +#ifdef CONFIG_EEH + if (pdn->edev && pdn->edev->pe && + (pdn->edev->pe->state & EEH_PE_CFG_BLOCKED)) + return PCIBIOS_SET_FAILED; +#endif addr = rtas_config_addr(pdn->busno, pdn->devfn, where); buid = pdn->phb->buid; @@ -155,10 +157,6 @@ static int rtas_pci_write_config(struct pci_bus *bus, struct device_node *busdn, *dn; struct pci_dn *pdn; bool found = false; -#ifdef CONFIG_EEH - struct eeh_dev *edev; -#endif - int ret; /* Search only direct children of the bus */ busdn = pci_bus_to_OF_node(bus); @@ -173,14 +171,8 @@ static int rtas_pci_write_config(struct pci_bus *bus, if (!found) return PCIBIOS_DEVICE_NOT_FOUND; -#ifdef CONFIG_EEH - edev = of_node_to_eeh_dev(dn); - if (edev && edev->pe && (edev->pe->state & EEH_PE_RESET)) - return PCIBIOS_DEVICE_NOT_FOUND; -#endif - ret = rtas_write_config(pdn, where, size, val); - return ret; + return rtas_write_config(pdn, where, size, val); } static struct pci_ops rtas_pci_ops = { diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index cd07d79ad21c..4f3cfe1b6a33 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -522,36 +522,36 @@ void __init setup_system(void) smp_release_cpus(); #endif - printk("Starting Linux PPC64 %s\n", init_utsname()->version); + pr_info("Starting Linux PPC64 %s\n", init_utsname()->version); - printk("-----------------------------------------------------\n"); - printk("ppc64_pft_size = 0x%llx\n", ppc64_pft_size); - printk("phys_mem_size = 0x%llx\n", memblock_phys_mem_size()); + pr_info("-----------------------------------------------------\n"); + pr_info("ppc64_pft_size = 0x%llx\n", ppc64_pft_size); + pr_info("phys_mem_size = 0x%llx\n", memblock_phys_mem_size()); if (ppc64_caches.dline_size != 0x80) - printk("dcache_line_size = 0x%x\n", ppc64_caches.dline_size); + pr_info("dcache_line_size = 0x%x\n", ppc64_caches.dline_size); if (ppc64_caches.iline_size != 0x80) - printk("icache_line_size = 0x%x\n", ppc64_caches.iline_size); + pr_info("icache_line_size = 0x%x\n", ppc64_caches.iline_size); - printk("cpu_features = 0x%016lx\n", cur_cpu_spec->cpu_features); - printk(" possible = 0x%016lx\n", CPU_FTRS_POSSIBLE); - printk(" always = 0x%016lx\n", CPU_FTRS_ALWAYS); - printk("cpu_user_features = 0x%08x 0x%08x\n", cur_cpu_spec->cpu_user_features, + pr_info("cpu_features = 0x%016lx\n", cur_cpu_spec->cpu_features); + pr_info(" possible = 0x%016lx\n", CPU_FTRS_POSSIBLE); + pr_info(" always = 0x%016lx\n", CPU_FTRS_ALWAYS); + pr_info("cpu_user_features = 0x%08x 0x%08x\n", cur_cpu_spec->cpu_user_features, cur_cpu_spec->cpu_user_features2); - printk("mmu_features = 0x%08x\n", cur_cpu_spec->mmu_features); - printk("firmware_features = 0x%016lx\n", powerpc_firmware_features); + pr_info("mmu_features = 0x%08x\n", cur_cpu_spec->mmu_features); + pr_info("firmware_features = 0x%016lx\n", powerpc_firmware_features); #ifdef CONFIG_PPC_STD_MMU_64 if (htab_address) - printk("htab_address = 0x%p\n", htab_address); + pr_info("htab_address = 0x%p\n", htab_address); - printk("htab_hash_mask = 0x%lx\n", htab_hash_mask); + pr_info("htab_hash_mask = 0x%lx\n", htab_hash_mask); #endif if (PHYSICAL_START > 0) - printk("physical_start = 0x%llx\n", + pr_info("physical_start = 0x%llx\n", (unsigned long long)PHYSICAL_START); - printk("-----------------------------------------------------\n"); + pr_info("-----------------------------------------------------\n"); DBG(" <- setup_system()\n"); } diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c index 3d30ef1038e5..ea43a347a104 100644 --- a/arch/powerpc/kernel/stacktrace.c +++ b/arch/powerpc/kernel/stacktrace.c @@ -50,7 +50,7 @@ void save_stack_trace(struct stack_trace *trace) { unsigned long sp; - asm("mr %0,1" : "=r" (sp)); + sp = current_stack_pointer(); save_context_stack(trace, sp, current, 1); } diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c index 0f9939e693df..5a236f082c78 100644 --- a/arch/powerpc/mm/copro_fault.c +++ b/arch/powerpc/mm/copro_fault.c @@ -99,8 +99,6 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb) u64 vsid; int psize, ssize; - slb->esid = (ea & ESID_MASK) | SLB_ESID_V; - switch (REGION_ID(ea)) { case USER_REGION_ID: pr_devel("%s: 0x%llx -- USER_REGION_ID\n", __func__, ea); @@ -133,6 +131,7 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb) vsid |= mmu_psize_defs[psize].sllp | ((ssize == MMU_SEGSIZE_1T) ? SLB_VSID_B_1T : 0); + slb->esid = (ea & (ssize == MMU_SEGSIZE_1T ? ESID_MASK_1T : ESID_MASK)) | SLB_ESID_V; slb->vsid = vsid; return 0; diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index cad68ff8eca5..415a51b028b9 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -103,7 +103,7 @@ unsigned long __max_low_memory = MAX_LOW_MEM; /* * Check for command-line options that affect what MMU_init will do. */ -void MMU_setup(void) +void __init MMU_setup(void) { /* Check for nobats option (used in mapin_ram). */ if (strstr(boot_command_line, "nobats")) { diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 649666d5d1c2..b9d1dfdbe5bb 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -8,6 +8,8 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ +#define pr_fmt(fmt) "numa: " fmt + #include #include #include @@ -1153,6 +1155,22 @@ static int __init early_numa(char *p) } early_param("numa", early_numa); +static bool topology_updates_enabled = true; + +static int __init early_topology_updates(char *p) +{ + if (!p) + return 0; + + if (!strcmp(p, "off")) { + pr_info("Disabling topology updates\n"); + topology_updates_enabled = false; + } + + return 0; +} +early_param("topology_updates", early_topology_updates); + #ifdef CONFIG_MEMORY_HOTPLUG /* * Find the node associated with a hot added memory section for @@ -1442,8 +1460,11 @@ static long hcall_vphn(unsigned long cpu, __be32 *associativity) long retbuf[PLPAR_HCALL9_BUFSIZE] = {0}; u64 flags = 1; int hwcpu = get_hard_smp_processor_id(cpu); + int i; rc = plpar_hcall9(H_HOME_NODE_ASSOCIATIVITY, retbuf, flags, hwcpu); + for (i = 0; i < 6; i++) + retbuf[i] = cpu_to_be64(retbuf[i]); vphn_unpack_associativity(retbuf, associativity); return rc; @@ -1488,11 +1509,14 @@ static int update_cpu_topology(void *data) cpu = smp_processor_id(); for (update = data; update; update = update->next) { + int new_nid = update->new_nid; if (cpu != update->cpu) continue; - unmap_cpu_from_node(update->cpu); - map_cpu_to_node(update->cpu, update->new_nid); + unmap_cpu_from_node(cpu); + map_cpu_to_node(cpu, new_nid); + set_cpu_numa_node(cpu, new_nid); + set_cpu_numa_mem(cpu, local_memory_node(new_nid)); vdso_getcpu_init(); } @@ -1539,6 +1563,9 @@ int arch_update_cpu_topology(void) struct device *dev; int weight, new_nid, i = 0; + if (!prrn_enabled && !vphn_enabled) + return 0; + weight = cpumask_weight(&cpu_associativity_changes_mask); if (!weight) return 0; @@ -1592,6 +1619,15 @@ int arch_update_cpu_topology(void) cpu = cpu_last_thread_sibling(cpu); } + pr_debug("Topology update for the following CPUs:\n"); + if (cpumask_weight(&updated_cpus)) { + for (ud = &updates[0]; ud; ud = ud->next) { + pr_debug("cpu %d moving from node %d " + "to %d\n", ud->cpu, + ud->old_nid, ud->new_nid); + } + } + /* * In cases where we have nothing to update (because the updates list * is too short or because the new topology is same as the old one), @@ -1800,8 +1836,12 @@ static const struct file_operations topology_ops = { static int topology_update_init(void) { - start_topology_update(); - proc_create("powerpc/topology_updates", 0644, NULL, &topology_ops); + /* Do not poll for changes if disabled at boot */ + if (topology_updates_enabled) + start_topology_update(); + + if (!proc_create("powerpc/topology_updates", 0644, NULL, &topology_ops)) + return -ENOMEM; return 0; } diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index 8d7bda94d196..ded0ea1afde4 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -682,6 +682,7 @@ void slice_set_range_psize(struct mm_struct *mm, unsigned long start, slice_convert(mm, mask, psize); } +#ifdef CONFIG_HUGETLB_PAGE /* * is_hugepage_only_range() is used by generic code to verify whether * a normal mmap mapping (non hugetlbfs) is valid on a given area. @@ -726,4 +727,4 @@ int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, #endif return !slice_check_fit(mask, available); } - +#endif diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 6c8710dd90c9..dba34088da28 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -417,11 +417,6 @@ static int h_24x7_event_add(struct perf_event *event, int flags) return 0; } -static int h_24x7_event_idx(struct perf_event *event) -{ - return 0; -} - static struct pmu h_24x7_pmu = { .task_ctx_nr = perf_invalid_context, @@ -433,7 +428,6 @@ static struct pmu h_24x7_pmu = { .start = h_24x7_event_start, .stop = h_24x7_event_stop, .read = h_24x7_event_update, - .event_idx = h_24x7_event_idx, }; static int hv_24x7_init(void) diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index 15fc76c93022..a051fe946c63 100644 --- a/arch/powerpc/perf/hv-gpci.c +++ b/arch/powerpc/perf/hv-gpci.c @@ -246,11 +246,6 @@ static int h_gpci_event_init(struct perf_event *event) return 0; } -static int h_gpci_event_idx(struct perf_event *event) -{ - return 0; -} - static struct pmu h_gpci_pmu = { .task_ctx_nr = perf_invalid_context, @@ -262,7 +257,6 @@ static struct pmu h_gpci_pmu = { .start = h_gpci_event_start, .stop = h_gpci_event_stop, .read = h_gpci_event_update, - .event_idx = h_gpci_event_idx, }; static int hv_gpci_init(void) diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 2b90ff8a93be..c7c8720aa39f 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -621,8 +621,9 @@ static int dma_fixed_map_sg(struct device *dev, struct scatterlist *sg, if (iommu_fixed_is_weak == dma_get_attr(DMA_ATTR_WEAK_ORDERING, attrs)) return dma_direct_ops.map_sg(dev, sg, nents, direction, attrs); else - return iommu_map_sg(dev, cell_get_iommu_table(dev), sg, nents, - device_to_mask(dev), direction, attrs); + return ppc_iommu_map_sg(dev, cell_get_iommu_table(dev), sg, + nents, device_to_mask(dev), + direction, attrs); } static void dma_fixed_unmap_sg(struct device *dev, struct scatterlist *sg, @@ -632,8 +633,8 @@ static void dma_fixed_unmap_sg(struct device *dev, struct scatterlist *sg, if (iommu_fixed_is_weak == dma_get_attr(DMA_ATTR_WEAK_ORDERING, attrs)) dma_direct_ops.unmap_sg(dev, sg, nents, direction, attrs); else - iommu_unmap_sg(cell_get_iommu_table(dev), sg, nents, direction, - attrs); + ppc_iommu_unmap_sg(cell_get_iommu_table(dev), sg, nents, + direction, attrs); } static int dma_fixed_dma_supported(struct device *dev, u64 mask) diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c index 426814a2ede3..eba9cb10619c 100644 --- a/arch/powerpc/platforms/powernv/eeh-ioda.c +++ b/arch/powerpc/platforms/powernv/eeh-ioda.c @@ -373,7 +373,7 @@ static int ioda_eeh_get_pe_state(struct eeh_pe *pe) * moving forward, we have to return operational * state during PE reset. */ - if (pe->state & EEH_PE_RESET) { + if (pe->state & EEH_PE_CFG_BLOCKED) { result = (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE | EEH_STATE_MMIO_ENABLED | diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index 3e89cbf55885..1d19e7917d7f 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -168,6 +168,26 @@ static int powernv_eeh_dev_probe(struct pci_dev *dev, void *flag) return ret; } + /* + * If the PE contains any one of following adapters, the + * PCI config space can't be accessed when dumping EEH log. + * Otherwise, we will run into fenced PHB caused by shortage + * of outbound credits in the adapter. The PCI config access + * should be blocked until PE reset. MMIO access is dropped + * by hardware certainly. In order to drop PCI config requests, + * one more flag (EEH_PE_CFG_RESTRICTED) is introduced, which + * will be checked in the backend for PE state retrival. If + * the PE becomes frozen for the first time and the flag has + * been set for the PE, we will set EEH_PE_CFG_BLOCKED for + * that PE to block its config space. + * + * Broadcom Austin 4-ports NICs (14e4:1657) + * Broadcom Shiner 2-ports 10G NICs (14e4:168e) + */ + if ((dev->vendor == PCI_VENDOR_ID_BROADCOM && dev->device == 0x1657) || + (dev->vendor == PCI_VENDOR_ID_BROADCOM && dev->device == 0x168e)) + edev->pe->state |= EEH_PE_CFG_RESTRICTED; + /* * Cache the PE primary bus, which can't be fetched when * full hotplug is in progress. In that case, all child @@ -383,6 +403,39 @@ static int powernv_eeh_err_inject(struct eeh_pe *pe, int type, int func, return ret; } +static inline bool powernv_eeh_cfg_blocked(struct device_node *dn) +{ + struct eeh_dev *edev = of_node_to_eeh_dev(dn); + + if (!edev || !edev->pe) + return false; + + if (edev->pe->state & EEH_PE_CFG_BLOCKED) + return true; + + return false; +} + +static int powernv_eeh_read_config(struct device_node *dn, + int where, int size, u32 *val) +{ + if (powernv_eeh_cfg_blocked(dn)) { + *val = 0xFFFFFFFF; + return PCIBIOS_SET_FAILED; + } + + return pnv_pci_cfg_read(dn, where, size, val); +} + +static int powernv_eeh_write_config(struct device_node *dn, + int where, int size, u32 val) +{ + if (powernv_eeh_cfg_blocked(dn)) + return PCIBIOS_SET_FAILED; + + return pnv_pci_cfg_write(dn, where, size, val); +} + /** * powernv_eeh_next_error - Retrieve next EEH error to handle * @pe: Affected PE @@ -440,8 +493,8 @@ static struct eeh_ops powernv_eeh_ops = { .get_log = powernv_eeh_get_log, .configure_bridge = powernv_eeh_configure_bridge, .err_inject = powernv_eeh_err_inject, - .read_config = pnv_pci_cfg_read, - .write_config = pnv_pci_cfg_write, + .read_config = powernv_eeh_read_config, + .write_config = powernv_eeh_write_config, .next_error = powernv_eeh_next_error, .restore_config = powernv_eeh_restore_config }; diff --git a/arch/powerpc/platforms/powernv/opal-lpc.c b/arch/powerpc/platforms/powernv/opal-lpc.c index dd2c285ad170..e4169d68cb32 100644 --- a/arch/powerpc/platforms/powernv/opal-lpc.c +++ b/arch/powerpc/platforms/powernv/opal-lpc.c @@ -191,7 +191,6 @@ static ssize_t lpc_debug_read(struct file *filp, char __user *ubuf, { struct lpc_debugfs_entry *lpc = filp->private_data; u32 data, pos, len, todo; - __be32 bedata; int rc; if (!access_ok(VERIFY_WRITE, ubuf, count)) @@ -214,18 +213,57 @@ static ssize_t lpc_debug_read(struct file *filp, char __user *ubuf, len = 2; } rc = opal_lpc_read(opal_lpc_chip_id, lpc->lpc_type, pos, - &bedata, len); + &data, len); if (rc) return -ENXIO; - data = be32_to_cpu(bedata); + + /* + * Now there is some trickery with the data returned by OPAL + * as it's the desired data right justified in a 32-bit BE + * word. + * + * This is a very bad interface and I'm to blame for it :-( + * + * So we can't just apply a 32-bit swap to what comes from OPAL, + * because user space expects the *bytes* to be in their proper + * respective positions (ie, LPC position). + * + * So what we really want to do here is to shift data right + * appropriately on a LE kernel. + * + * IE. If the LPC transaction has bytes B0, B1, B2 and B3 in that + * order, we have in memory written to by OPAL at the "data" + * pointer: + * + * Bytes: OPAL "data" LE "data" + * 32-bit: B0 B1 B2 B3 B0B1B2B3 B3B2B1B0 + * 16-bit: B0 B1 0000B0B1 B1B00000 + * 8-bit: B0 000000B0 B0000000 + * + * So a BE kernel will have the leftmost of the above in the MSB + * and rightmost in the LSB and can just then "cast" the u32 "data" + * down to the appropriate quantity and write it. + * + * However, an LE kernel can't. It doesn't need to swap because a + * load from data followed by a store to user are going to preserve + * the byte ordering which is the wire byte order which is what the + * user wants, but in order to "crop" to the right size, we need to + * shift right first. + */ switch(len) { case 4: rc = __put_user((u32)data, (u32 __user *)ubuf); break; case 2: +#ifdef __LITTLE_ENDIAN__ + data >>= 16; +#endif rc = __put_user((u16)data, (u16 __user *)ubuf); break; default: +#ifdef __LITTLE_ENDIAN__ + data >>= 24; +#endif rc = __put_user((u8)data, (u8 __user *)ubuf); break; } @@ -265,12 +303,31 @@ static ssize_t lpc_debug_write(struct file *filp, const char __user *ubuf, else if (todo > 1 && (pos & 1) == 0) len = 2; } + + /* + * Similarly to the read case, we have some trickery here but + * it's different to handle. We need to pass the value to OPAL in + * a register whose layout depends on the access size. We want + * to reproduce the memory layout of the user, however we aren't + * doing a load from user and a store to another memory location + * which would achieve that. Here we pass the value to OPAL via + * a register which is expected to contain the "BE" interpretation + * of the byte sequence. IE: for a 32-bit access, byte 0 should be + * in the MSB. So here we *do* need to byteswap on LE. + * + * User bytes: LE "data" OPAL "data" + * 32-bit: B0 B1 B2 B3 B3B2B1B0 B0B1B2B3 + * 16-bit: B0 B1 0000B1B0 0000B0B1 + * 8-bit: B0 000000B0 000000B0 + */ switch(len) { case 4: rc = __get_user(data, (u32 __user *)ubuf); + data = cpu_to_be32(data); break; case 2: rc = __get_user(data, (u16 __user *)ubuf); + data = cpu_to_be16(data); break; default: rc = __get_user(data, (u8 __user *)ubuf); diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index e9e2450c1fdd..feb549aa3eea 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -58,7 +58,7 @@ END_FTR_SECTION(0, 1); \ */ #define OPAL_CALL(name, token) \ - _GLOBAL(name); \ + _GLOBAL_TOC(name); \ mflr r0; \ std r0,16(r1); \ li r0,token; \ diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index b642b0562f5a..d019b081df9d 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -194,6 +194,27 @@ static int __init opal_register_exception_handlers(void) * fwnmi area at 0x7000 to provide the glue space to OPAL */ glue = 0x7000; + + /* + * Check if we are running on newer firmware that exports + * OPAL_HANDLE_HMI token. If yes, then don't ask OPAL to patch + * the HMI interrupt and we catch it directly in Linux. + * + * For older firmware (i.e currently released POWER8 System Firmware + * as of today <= SV810_087), we fallback to old behavior and let OPAL + * patch the HMI vector and handle it inside OPAL firmware. + * + * For newer firmware (in development/yet to be released) we will + * start catching/handling HMI directly in Linux. + */ + if (!opal_check_token(OPAL_HANDLE_HMI)) { + pr_info("opal: Old firmware detected, OPAL handles HMIs.\n"); + opal_register_exception_handler( + OPAL_HYPERVISOR_MAINTENANCE_HANDLER, + 0, glue); + glue += 128; + } + opal_register_exception_handler(OPAL_SOFTPATCH_HANDLER, 0, glue); #endif diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index b3ca77ddf36d..b2187d0068b8 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -505,7 +505,7 @@ static bool pnv_pci_cfg_check(struct pci_controller *hose, edev = of_node_to_eeh_dev(dn); if (edev) { if (edev->pe && - (edev->pe->state & EEH_PE_RESET)) + (edev->pe->state & EEH_PE_CFG_BLOCKED)) return false; if (edev->mode & EEH_DEV_REMOVED) diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index fdf01b660d59..c22bb1b4beb8 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -25,11 +25,11 @@ #include struct cc_workarea { - u32 drc_index; - u32 zero; - u32 name_offset; - u32 prop_length; - u32 prop_offset; + __be32 drc_index; + __be32 zero; + __be32 name_offset; + __be32 prop_length; + __be32 prop_offset; }; void dlpar_free_cc_property(struct property *prop) @@ -49,11 +49,11 @@ static struct property *dlpar_parse_cc_property(struct cc_workarea *ccwa) if (!prop) return NULL; - name = (char *)ccwa + ccwa->name_offset; + name = (char *)ccwa + be32_to_cpu(ccwa->name_offset); prop->name = kstrdup(name, GFP_KERNEL); - prop->length = ccwa->prop_length; - value = (char *)ccwa + ccwa->prop_offset; + prop->length = be32_to_cpu(ccwa->prop_length); + value = (char *)ccwa + be32_to_cpu(ccwa->prop_offset); prop->value = kmemdup(value, prop->length, GFP_KERNEL); if (!prop->value) { dlpar_free_cc_property(prop); @@ -79,7 +79,7 @@ static struct device_node *dlpar_parse_cc_node(struct cc_workarea *ccwa, if (!dn) return NULL; - name = (char *)ccwa + ccwa->name_offset; + name = (char *)ccwa + be32_to_cpu(ccwa->name_offset); dn->full_name = kasprintf(GFP_KERNEL, "%s/%s", path, name); if (!dn->full_name) { kfree(dn); @@ -126,7 +126,7 @@ void dlpar_free_cc_nodes(struct device_node *dn) #define CALL_AGAIN -2 #define ERR_CFG_USE -9003 -struct device_node *dlpar_configure_connector(u32 drc_index, +struct device_node *dlpar_configure_connector(__be32 drc_index, struct device_node *parent) { struct device_node *dn; @@ -382,7 +382,7 @@ static int dlpar_online_cpu(struct device_node *dn) BUG_ON(get_cpu_current_state(cpu) != CPU_STATE_OFFLINE); cpu_maps_update_done(); - rc = cpu_up(cpu); + rc = device_online(get_cpu_device(cpu)); if (rc) goto out; cpu_maps_update_begin(); @@ -414,7 +414,7 @@ static ssize_t dlpar_cpu_probe(const char *buf, size_t count) if (!parent) return -ENODEV; - dn = dlpar_configure_connector(drc_index, parent); + dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent); if (!dn) return -EINVAL; @@ -467,7 +467,7 @@ static int dlpar_offline_cpu(struct device_node *dn) if (get_cpu_current_state(cpu) == CPU_STATE_ONLINE) { set_preferred_offline_state(cpu, CPU_STATE_OFFLINE); cpu_maps_update_done(); - rc = cpu_down(cpu); + rc = device_offline(get_cpu_device(cpu)); if (rc) goto out; cpu_maps_update_begin(); diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index b174fa751d26..5c375f93c669 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -247,7 +247,7 @@ static int pseries_add_processor(struct device_node *np) unsigned int cpu; cpumask_var_t candidate_mask, tmp; int err = -ENOSPC, len, nthreads, i; - const u32 *intserv; + const __be32 *intserv; intserv = of_get_property(np, "ibm,ppc-interrupt-server#s", &len); if (!intserv) @@ -293,7 +293,7 @@ static int pseries_add_processor(struct device_node *np) for_each_cpu(cpu, tmp) { BUG_ON(cpu_present(cpu)); set_cpu_present(cpu, true); - set_hard_smp_processor_id(cpu, *intserv++); + set_hard_smp_processor_id(cpu, be32_to_cpu(*intserv++)); } err = 0; out_unlock: diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index de1ec54a2a57..e32e00976a94 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -30,7 +30,6 @@ #include #include #include -#include /* for show_stack */ #include #include #include @@ -168,7 +167,7 @@ static int tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum, printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\ttcenum = 0x%llx\n", (u64)tcenum); printk("\ttce val = 0x%llx\n", tce ); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } tcenum++; @@ -257,7 +256,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\tnpages = 0x%llx\n", (u64)npages); printk("\ttce[0] val = 0x%llx\n", tcep[0]); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } return ret; } @@ -273,7 +272,7 @@ static void tce_free_pSeriesLP(struct iommu_table *tbl, long tcenum, long npages printk("tce_free_pSeriesLP: plpar_tce_put failed. rc=%lld\n", rc); printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\ttcenum = 0x%llx\n", (u64)tcenum); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } tcenum++; @@ -292,7 +291,7 @@ static void tce_freemulti_pSeriesLP(struct iommu_table *tbl, long tcenum, long n printk("\trc = %lld\n", rc); printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\tnpages = 0x%llx\n", (u64)npages); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } } @@ -307,7 +306,7 @@ static unsigned long tce_get_pSeriesLP(struct iommu_table *tbl, long tcenum) printk("tce_get_pSeriesLP: plpar_tce_get failed. rc=%lld\n", rc); printk("\tindex = 0x%llx\n", (u64)tbl->it_index); printk("\ttcenum = 0x%llx\n", (u64)tcenum); - show_stack(current, (unsigned long *)__get_SP()); + dump_stack(); } return tce_ret; diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 8c509d5397c6..f6880d2a40fb 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -43,6 +43,7 @@ #include #include #include +#include #include "pseries.h" @@ -247,8 +248,17 @@ static void pSeries_lpar_hptab_clear(void) } #ifdef __LITTLE_ENDIAN__ - /* Reset exceptions to big endian */ - if (firmware_has_feature(FW_FEATURE_SET_MODE)) { + /* + * Reset exceptions to big endian. + * + * FIXME this is a hack for kexec, we need to reset the exception + * endian before starting the new kernel and this is a convenient place + * to do it. + * + * This is also called on boot when a fadump happens. In that case we + * must not change the exception endian mode. + */ + if (firmware_has_feature(FW_FEATURE_SET_MODE) && !is_fadump_active()) { long rc; rc = pseries_big_endian_exceptions(); diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index 361add62abf1..1796c5438cc6 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -56,7 +56,8 @@ extern void hvc_vio_init_early(void); /* Dynamic logical Partitioning/Mobility */ extern void dlpar_free_cc_nodes(struct device_node *); extern void dlpar_free_cc_property(struct property *); -extern struct device_node *dlpar_configure_connector(u32, struct device_node *); +extern struct device_node *dlpar_configure_connector(__be32, + struct device_node *); extern int dlpar_attach_node(struct device_node *); extern int dlpar_detach_node(struct device_node *); diff --git a/arch/powerpc/sysdev/msi_bitmap.c b/arch/powerpc/sysdev/msi_bitmap.c index 0c75214b6f92..73b64c73505b 100644 --- a/arch/powerpc/sysdev/msi_bitmap.c +++ b/arch/powerpc/sysdev/msi_bitmap.c @@ -145,59 +145,64 @@ void msi_bitmap_free(struct msi_bitmap *bmp) #ifdef CONFIG_MSI_BITMAP_SELFTEST -#define check(x) \ - if (!(x)) printk("msi_bitmap: test failed at line %d\n", __LINE__); - static void __init test_basics(void) { struct msi_bitmap bmp; - int i, size = 512; + int rc, i, size = 512; /* Can't allocate a bitmap of 0 irqs */ - check(msi_bitmap_alloc(&bmp, 0, NULL) != 0); + WARN_ON(msi_bitmap_alloc(&bmp, 0, NULL) == 0); /* of_node may be NULL */ - check(0 == msi_bitmap_alloc(&bmp, size, NULL)); + WARN_ON(msi_bitmap_alloc(&bmp, size, NULL)); /* Should all be free by default */ - check(0 == bitmap_find_free_region(bmp.bitmap, size, - get_count_order(size))); + WARN_ON(bitmap_find_free_region(bmp.bitmap, size, get_count_order(size))); bitmap_release_region(bmp.bitmap, 0, get_count_order(size)); /* With no node, there's no msi-available-ranges, so expect > 0 */ - check(msi_bitmap_reserve_dt_hwirqs(&bmp) > 0); + WARN_ON(msi_bitmap_reserve_dt_hwirqs(&bmp) <= 0); /* Should all still be free */ - check(0 == bitmap_find_free_region(bmp.bitmap, size, - get_count_order(size))); + WARN_ON(bitmap_find_free_region(bmp.bitmap, size, get_count_order(size))); bitmap_release_region(bmp.bitmap, 0, get_count_order(size)); /* Check we can fill it up and then no more */ for (i = 0; i < size; i++) - check(msi_bitmap_alloc_hwirqs(&bmp, 1) >= 0); + WARN_ON(msi_bitmap_alloc_hwirqs(&bmp, 1) < 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 1) < 0); + WARN_ON(msi_bitmap_alloc_hwirqs(&bmp, 1) >= 0); /* Should all be allocated */ - check(bitmap_find_free_region(bmp.bitmap, size, 0) < 0); + WARN_ON(bitmap_find_free_region(bmp.bitmap, size, 0) >= 0); /* And if we free one we can then allocate another */ msi_bitmap_free_hwirqs(&bmp, size / 2, 1); - check(msi_bitmap_alloc_hwirqs(&bmp, 1) == size / 2); + WARN_ON(msi_bitmap_alloc_hwirqs(&bmp, 1) != size / 2); + + /* Free most of them for the alignment tests */ + msi_bitmap_free_hwirqs(&bmp, 3, size - 3); /* Check we get a naturally aligned offset */ - check(msi_bitmap_alloc_hwirqs(&bmp, 2) % 2 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 4) % 4 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 8) % 8 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 9) % 16 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 3) % 4 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 7) % 8 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 121) % 128 == 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 2); + WARN_ON(rc < 0 && rc % 2 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 4); + WARN_ON(rc < 0 && rc % 4 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 8); + WARN_ON(rc < 0 && rc % 8 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 9); + WARN_ON(rc < 0 && rc % 16 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 3); + WARN_ON(rc < 0 && rc % 4 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 7); + WARN_ON(rc < 0 && rc % 8 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 121); + WARN_ON(rc < 0 && rc % 128 != 0); msi_bitmap_free(&bmp); - /* Clients may check bitmap == NULL for "not-allocated" */ - check(bmp.bitmap == NULL); + /* Clients may WARN_ON bitmap == NULL for "not-allocated" */ + WARN_ON(bmp.bitmap != NULL); kfree(bmp.bitmap); } @@ -219,14 +224,13 @@ static void __init test_of_node(void) of_node_init(&of_node); of_node.full_name = node_name; - check(0 == msi_bitmap_alloc(&bmp, size, &of_node)); + WARN_ON(msi_bitmap_alloc(&bmp, size, &of_node)); /* No msi-available-ranges, so expect > 0 */ - check(msi_bitmap_reserve_dt_hwirqs(&bmp) > 0); + WARN_ON(msi_bitmap_reserve_dt_hwirqs(&bmp) <= 0); /* Should all still be free */ - check(0 == bitmap_find_free_region(bmp.bitmap, size, - get_count_order(size))); + WARN_ON(bitmap_find_free_region(bmp.bitmap, size, get_count_order(size))); bitmap_release_region(bmp.bitmap, 0, get_count_order(size)); /* Now create a fake msi-available-ranges property */ @@ -240,11 +244,11 @@ static void __init test_of_node(void) of_node.properties = ∝ /* msi-available-ranges, so expect == 0 */ - check(msi_bitmap_reserve_dt_hwirqs(&bmp) == 0); + WARN_ON(msi_bitmap_reserve_dt_hwirqs(&bmp)); /* Check we got the expected result */ - check(0 == bitmap_parselist(expected_str, expected, size)); - check(bitmap_equal(expected, bmp.bitmap, size)); + WARN_ON(bitmap_parselist(expected_str, expected, size)); + WARN_ON(!bitmap_equal(expected, bmp.bitmap, size)); msi_bitmap_free(&bmp); kfree(bmp.bitmap); diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig index 9d94fdd9f525..9432d0f202ef 100644 --- a/arch/s390/configs/default_defconfig +++ b/arch/s390/configs/default_defconfig @@ -35,7 +35,6 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y -CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y @@ -245,6 +244,7 @@ CONFIG_NF_TABLES_IPV4=m CONFIG_NFT_CHAIN_ROUTE_IPV4=m CONFIG_NFT_CHAIN_NAT_IPV4=m CONFIG_NF_TABLES_ARP=m +CONFIG_NF_NAT_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -252,11 +252,6 @@ CONFIG_IP_NF_MATCH_RPFILTER=m CONFIG_IP_NF_MATCH_TTL=m CONFIG_IP_NF_FILTER=m CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_NF_NAT_IPV4=m -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_REDIRECT=m CONFIG_IP_NF_MANGLE=m CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m @@ -270,6 +265,7 @@ CONFIG_NF_CONNTRACK_IPV6=m CONFIG_NF_TABLES_IPV6=m CONFIG_NFT_CHAIN_ROUTE_IPV6=m CONFIG_NFT_CHAIN_NAT_IPV6=m +CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_IPTABLES=m CONFIG_IP6_NF_MATCH_AH=m CONFIG_IP6_NF_MATCH_EUI64=m @@ -286,9 +282,6 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m CONFIG_IP6_NF_SECURITY=m -CONFIG_NF_NAT_IPV6=m -CONFIG_IP6_NF_TARGET_MASQUERADE=m -CONFIG_IP6_NF_TARGET_NPT=m CONFIG_NF_TABLES_BRIDGE=m CONFIG_NET_SCTPPROBE=m CONFIG_RDS=m @@ -374,14 +367,13 @@ CONFIG_BLK_DEV_SR=m CONFIG_CHR_DEV_SG=y CONFIG_CHR_DEV_SCH=m CONFIG_SCSI_ENCLOSURE=m -CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_SPI_ATTRS=m +CONFIG_SCSI_FC_ATTRS=y CONFIG_SCSI_SAS_LIBSAS=m CONFIG_SCSI_SRP_ATTRS=m CONFIG_ISCSI_TCP=m -CONFIG_LIBFCOE=m CONFIG_SCSI_DEBUG=m CONFIG_ZFCP=y CONFIG_SCSI_VIRTIO=m @@ -427,7 +419,6 @@ CONFIG_VIRTIO_NET=m CONFIG_NLMON=m CONFIG_VHOST_NET=m # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_CHELSIO is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set @@ -481,14 +472,14 @@ CONFIG_JFS_FS=m CONFIG_JFS_POSIX_ACL=y CONFIG_JFS_SECURITY=y CONFIG_JFS_STATISTICS=y -CONFIG_XFS_FS=m +CONFIG_XFS_FS=y CONFIG_XFS_QUOTA=y CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_XFS_DEBUG=y CONFIG_GFS2_FS=m CONFIG_OCFS2_FS=m -CONFIG_BTRFS_FS=m +CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_NILFS2_FS=m CONFIG_FANOTIFY=y @@ -574,7 +565,6 @@ CONFIG_DEBUG_SHIRQ=y CONFIG_DETECT_HUNG_TASK=y CONFIG_TIMER_STATS=y CONFIG_DEBUG_RT_MUTEXES=y -CONFIG_RT_MUTEX_TESTER=y CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y CONFIG_PROVE_LOCKING=y CONFIG_LOCK_STAT=y @@ -600,8 +590,13 @@ CONFIG_FAULT_INJECTION_DEBUG_FS=y CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y CONFIG_LATENCYTOP=y CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y +CONFIG_IRQSOFF_TRACER=y +CONFIG_PREEMPT_TRACER=y +CONFIG_SCHED_TRACER=y +CONFIG_FTRACE_SYSCALLS=y +CONFIG_STACK_TRACER=y CONFIG_BLK_DEV_IO_TRACE=y -# CONFIG_KPROBE_EVENT is not set +CONFIG_UPROBE_EVENT=y CONFIG_LKDTM=m CONFIG_TEST_LIST_SORT=y CONFIG_KPROBES_SANITY_TEST=y @@ -609,7 +604,10 @@ CONFIG_RBTREE_TEST=y CONFIG_INTERVAL_TREE_TEST=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y +CONFIG_TEST_STRING_HELPERS=y +CONFIG_TEST_KSTRTOX=y CONFIG_DMA_API_DEBUG=y +CONFIG_TEST_BPF=m # CONFIG_STRICT_DEVMEM is not set CONFIG_S390_PTDUMP=y CONFIG_ENCRYPTED_KEYS=m @@ -673,12 +671,6 @@ CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m CONFIG_X509_CERTIFICATE_PARSER=m CONFIG_CRC7=m CONFIG_CRC8=m -CONFIG_XZ_DEC_X86=y -CONFIG_XZ_DEC_POWERPC=y -CONFIG_XZ_DEC_IA64=y -CONFIG_XZ_DEC_ARM=y -CONFIG_XZ_DEC_ARMTHUMB=y -CONFIG_XZ_DEC_SPARC=y CONFIG_CORDIC=m CONFIG_CMM=m CONFIG_APPLDATA_BASE=y diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig index 90f514baa37d..219dca6ea926 100644 --- a/arch/s390/configs/gcov_defconfig +++ b/arch/s390/configs/gcov_defconfig @@ -35,7 +35,6 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y -CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y @@ -243,6 +242,7 @@ CONFIG_NF_TABLES_IPV4=m CONFIG_NFT_CHAIN_ROUTE_IPV4=m CONFIG_NFT_CHAIN_NAT_IPV4=m CONFIG_NF_TABLES_ARP=m +CONFIG_NF_NAT_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -250,11 +250,6 @@ CONFIG_IP_NF_MATCH_RPFILTER=m CONFIG_IP_NF_MATCH_TTL=m CONFIG_IP_NF_FILTER=m CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_NF_NAT_IPV4=m -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_REDIRECT=m CONFIG_IP_NF_MANGLE=m CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m @@ -268,6 +263,7 @@ CONFIG_NF_CONNTRACK_IPV6=m CONFIG_NF_TABLES_IPV6=m CONFIG_NFT_CHAIN_ROUTE_IPV6=m CONFIG_NFT_CHAIN_NAT_IPV6=m +CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_IPTABLES=m CONFIG_IP6_NF_MATCH_AH=m CONFIG_IP6_NF_MATCH_EUI64=m @@ -284,9 +280,6 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m CONFIG_IP6_NF_SECURITY=m -CONFIG_NF_NAT_IPV6=m -CONFIG_IP6_NF_TARGET_MASQUERADE=m -CONFIG_IP6_NF_TARGET_NPT=m CONFIG_NF_TABLES_BRIDGE=m CONFIG_NET_SCTPPROBE=m CONFIG_RDS=m @@ -371,14 +364,13 @@ CONFIG_BLK_DEV_SR=m CONFIG_CHR_DEV_SG=y CONFIG_CHR_DEV_SCH=m CONFIG_SCSI_ENCLOSURE=m -CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_SPI_ATTRS=m +CONFIG_SCSI_FC_ATTRS=y CONFIG_SCSI_SAS_LIBSAS=m CONFIG_SCSI_SRP_ATTRS=m CONFIG_ISCSI_TCP=m -CONFIG_LIBFCOE=m CONFIG_SCSI_DEBUG=m CONFIG_ZFCP=y CONFIG_SCSI_VIRTIO=m @@ -424,7 +416,6 @@ CONFIG_VIRTIO_NET=m CONFIG_NLMON=m CONFIG_VHOST_NET=m # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_CHELSIO is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set @@ -478,13 +469,13 @@ CONFIG_JFS_FS=m CONFIG_JFS_POSIX_ACL=y CONFIG_JFS_SECURITY=y CONFIG_JFS_STATISTICS=y -CONFIG_XFS_FS=m +CONFIG_XFS_FS=y CONFIG_XFS_QUOTA=y CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_GFS2_FS=m CONFIG_OCFS2_FS=m -CONFIG_BTRFS_FS=m +CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_NILFS2_FS=m CONFIG_FANOTIFY=y @@ -626,12 +617,6 @@ CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m CONFIG_X509_CERTIFICATE_PARSER=m CONFIG_CRC7=m CONFIG_CRC8=m -CONFIG_XZ_DEC_X86=y -CONFIG_XZ_DEC_POWERPC=y -CONFIG_XZ_DEC_IA64=y -CONFIG_XZ_DEC_ARM=y -CONFIG_XZ_DEC_ARMTHUMB=y -CONFIG_XZ_DEC_SPARC=y CONFIG_CORDIC=m CONFIG_CMM=m CONFIG_APPLDATA_BASE=y diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig index 13559d32af69..822c2f2e0c25 100644 --- a/arch/s390/configs/performance_defconfig +++ b/arch/s390/configs/performance_defconfig @@ -33,7 +33,6 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y -CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y @@ -241,6 +240,7 @@ CONFIG_NF_TABLES_IPV4=m CONFIG_NFT_CHAIN_ROUTE_IPV4=m CONFIG_NFT_CHAIN_NAT_IPV4=m CONFIG_NF_TABLES_ARP=m +CONFIG_NF_NAT_IPV4=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP_NF_MATCH_AH=m CONFIG_IP_NF_MATCH_ECN=m @@ -248,11 +248,6 @@ CONFIG_IP_NF_MATCH_RPFILTER=m CONFIG_IP_NF_MATCH_TTL=m CONFIG_IP_NF_FILTER=m CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_NF_NAT_IPV4=m -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_REDIRECT=m CONFIG_IP_NF_MANGLE=m CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m @@ -266,6 +261,7 @@ CONFIG_NF_CONNTRACK_IPV6=m CONFIG_NF_TABLES_IPV6=m CONFIG_NFT_CHAIN_ROUTE_IPV6=m CONFIG_NFT_CHAIN_NAT_IPV6=m +CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_IPTABLES=m CONFIG_IP6_NF_MATCH_AH=m CONFIG_IP6_NF_MATCH_EUI64=m @@ -282,9 +278,6 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m CONFIG_IP6_NF_SECURITY=m -CONFIG_NF_NAT_IPV6=m -CONFIG_IP6_NF_TARGET_MASQUERADE=m -CONFIG_IP6_NF_TARGET_NPT=m CONFIG_NF_TABLES_BRIDGE=m CONFIG_NET_SCTPPROBE=m CONFIG_RDS=m @@ -369,14 +362,13 @@ CONFIG_BLK_DEV_SR=m CONFIG_CHR_DEV_SG=y CONFIG_CHR_DEV_SCH=m CONFIG_SCSI_ENCLOSURE=m -CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_SPI_ATTRS=m +CONFIG_SCSI_FC_ATTRS=y CONFIG_SCSI_SAS_LIBSAS=m CONFIG_SCSI_SRP_ATTRS=m CONFIG_ISCSI_TCP=m -CONFIG_LIBFCOE=m CONFIG_SCSI_DEBUG=m CONFIG_ZFCP=y CONFIG_SCSI_VIRTIO=m @@ -422,7 +414,6 @@ CONFIG_VIRTIO_NET=m CONFIG_NLMON=m CONFIG_VHOST_NET=m # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_CHELSIO is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set @@ -476,13 +467,13 @@ CONFIG_JFS_FS=m CONFIG_JFS_POSIX_ACL=y CONFIG_JFS_SECURITY=y CONFIG_JFS_STATISTICS=y -CONFIG_XFS_FS=m +CONFIG_XFS_FS=y CONFIG_XFS_QUOTA=y CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_GFS2_FS=m CONFIG_OCFS2_FS=m -CONFIG_BTRFS_FS=m +CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_NILFS2_FS=m CONFIG_FANOTIFY=y @@ -550,8 +541,11 @@ CONFIG_TIMER_STATS=y CONFIG_RCU_TORTURE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=60 CONFIG_LATENCYTOP=y +CONFIG_SCHED_TRACER=y +CONFIG_FTRACE_SYSCALLS=y +CONFIG_STACK_TRACER=y CONFIG_BLK_DEV_IO_TRACE=y -# CONFIG_KPROBE_EVENT is not set +CONFIG_UPROBE_EVENT=y CONFIG_LKDTM=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y @@ -618,12 +612,6 @@ CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m CONFIG_X509_CERTIFICATE_PARSER=m CONFIG_CRC7=m CONFIG_CRC8=m -CONFIG_XZ_DEC_X86=y -CONFIG_XZ_DEC_POWERPC=y -CONFIG_XZ_DEC_IA64=y -CONFIG_XZ_DEC_ARM=y -CONFIG_XZ_DEC_ARMTHUMB=y -CONFIG_XZ_DEC_SPARC=y CONFIG_CORDIC=m CONFIG_CMM=m CONFIG_APPLDATA_BASE=y diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig index e376789f2d8d..9d63051ebec4 100644 --- a/arch/s390/configs/zfcpdump_defconfig +++ b/arch/s390/configs/zfcpdump_defconfig @@ -22,8 +22,8 @@ CONFIG_HZ_100=y CONFIG_CRASH_DUMP=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set # CONFIG_SECCOMP is not set -# CONFIG_IUCV is not set CONFIG_NET=y +# CONFIG_IUCV is not set CONFIG_ATM=y CONFIG_ATM_LANE=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" @@ -36,9 +36,9 @@ CONFIG_ENCLOSURE_SERVICES=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_ENCLOSURE=y -CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y +CONFIG_SCSI_FC_ATTRS=y CONFIG_SCSI_SRP_ATTRS=y CONFIG_ZFCP=y # CONFIG_INPUT_MOUSEDEV_PSAUX is not set @@ -75,12 +75,6 @@ CONFIG_DEBUG_KERNEL=y CONFIG_RCU_CPU_STALL_TIMEOUT=60 # CONFIG_FTRACE is not set # CONFIG_STRICT_DEVMEM is not set -CONFIG_XZ_DEC_X86=y -CONFIG_XZ_DEC_POWERPC=y -CONFIG_XZ_DEC_IA64=y -CONFIG_XZ_DEC_ARM=y -CONFIG_XZ_DEC_ARMTHUMB=y -CONFIG_XZ_DEC_SPARC=y # CONFIG_PFAULT is not set # CONFIG_S390_HYPFS_FS is not set # CONFIG_VIRTUALIZATION is not set diff --git a/arch/s390/defconfig b/arch/s390/defconfig index fab35a8efa4f..785c5f24d6f9 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -92,10 +92,10 @@ CONFIG_CHR_DEV_ST=y CONFIG_BLK_DEV_SR=y CONFIG_BLK_DEV_SR_VENDOR=y CONFIG_CHR_DEV_SG=y -CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_SCAN_ASYNC=y +CONFIG_SCSI_FC_ATTRS=y CONFIG_ZFCP=y CONFIG_SCSI_VIRTIO=y CONFIG_NETDEVICES=y @@ -164,14 +164,13 @@ CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m -CONFIG_CRYPTO_CRCT10DIF=m CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD128=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_RMD256=m CONFIG_CRYPTO_RMD320=m -CONFIG_CRYPTO_SHA256=m +CONFIG_CRYPTO_SHA256=y CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h index 940ac49198db..4197c89c52d4 100644 --- a/arch/s390/include/uapi/asm/unistd.h +++ b/arch/s390/include/uapi/asm/unistd.h @@ -286,7 +286,8 @@ #define __NR_seccomp 348 #define __NR_getrandom 349 #define __NR_memfd_create 350 -#define NR_syscalls 351 +#define __NR_bpf 351 +#define NR_syscalls 352 /* * There are some system calls that are not present on 64 bit, some diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c index faf6caa510dc..c4f7a3d655b8 100644 --- a/arch/s390/kernel/compat_wrapper.c +++ b/arch/s390/kernel/compat_wrapper.c @@ -217,3 +217,4 @@ COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, int, COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, const char __user *, uargs) COMPAT_SYSCALL_WRAP3(getrandom, char __user *, buf, size_t, count, unsigned int, flags) COMPAT_SYSCALL_WRAP2(memfd_create, const char __user *, uname, unsigned int, flags) +COMPAT_SYSCALL_WRAP3(bpf, int, cmd, union bpf_attr *, attr, unsigned int, size); diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 51d14fe5eb9a..ca1cabb3a96c 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -121,6 +121,8 @@ unsigned long __kprobes prepare_ftrace_return(unsigned long parent, { struct ftrace_graph_ent trace; + if (unlikely(ftrace_graph_is_dead())) + goto out; if (unlikely(atomic_read(¤t->tracing_graph_pause))) goto out; ip = (ip & PSW_ADDR_INSN) - MCOUNT_INSN_SIZE; diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 08e761318c17..b878f12a9597 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1411,11 +1411,6 @@ static void cpumsf_pmu_del(struct perf_event *event, int flags) perf_pmu_enable(event->pmu); } -static int cpumsf_pmu_event_idx(struct perf_event *event) -{ - return event->hw.idx; -} - CPUMF_EVENT_ATTR(SF, SF_CYCLES_BASIC, PERF_EVENT_CPUM_SF); CPUMF_EVENT_ATTR(SF, SF_CYCLES_BASIC_DIAG, PERF_EVENT_CPUM_SF_DIAG); @@ -1458,7 +1453,6 @@ static struct pmu cpumf_sampling = { .stop = cpumsf_pmu_stop, .read = cpumsf_pmu_read, - .event_idx = cpumsf_pmu_event_idx, .attr_groups = cpumsf_pmu_attr_groups, }; diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 6fe886ac2db5..9f7087fd58de 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -359,3 +359,4 @@ SYSCALL(sys_renameat2,sys_renameat2,compat_sys_renameat2) SYSCALL(sys_seccomp,sys_seccomp,compat_sys_seccomp) SYSCALL(sys_getrandom,sys_getrandom,compat_sys_getrandom) SYSCALL(sys_memfd_create,sys_memfd_create,compat_sys_memfd_create) /* 350 */ +SYSCALL(sys_bpf,sys_bpf,compat_sys_bpf) diff --git a/arch/s390/kernel/uprobes.c b/arch/s390/kernel/uprobes.c index 956f4f7a591c..f6b3cd056ec2 100644 --- a/arch/s390/kernel/uprobes.c +++ b/arch/s390/kernel/uprobes.c @@ -5,13 +5,13 @@ * Author(s): Jan Willeke, */ -#include #include #include #include #include #include #include +#include #include #include "entry.h" diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S index 48c2206a3956..5eec9afbb5b5 100644 --- a/arch/s390/kernel/vdso32/clock_gettime.S +++ b/arch/s390/kernel/vdso32/clock_gettime.S @@ -19,6 +19,7 @@ .type __kernel_clock_gettime,@function __kernel_clock_gettime: .cfi_startproc + ahi %r15,-16 basr %r5,0 0: al %r5,21f-0b(%r5) /* get &_vdso_data */ chi %r2,__CLOCK_REALTIME_COARSE @@ -34,8 +35,8 @@ __kernel_clock_gettime: 1: l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ tml %r4,0x0001 /* pending update ? loop */ jnz 1b - stcke 24(%r15) /* Store TOD clock */ - lm %r0,%r1,25(%r15) + stcke 0(%r15) /* Store TOD clock */ + lm %r0,%r1,1(%r15) s %r0,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ sl %r1,__VDSO_XTIME_STAMP+4(%r5) brc 3,2f @@ -70,6 +71,7 @@ __kernel_clock_gettime: 8: st %r2,0(%r3) /* store tp->tv_sec */ st %r1,4(%r3) /* store tp->tv_nsec */ lhi %r2,0 + ahi %r15,16 br %r14 /* CLOCK_MONOTONIC_COARSE */ @@ -96,8 +98,8 @@ __kernel_clock_gettime: 11: l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ tml %r4,0x0001 /* pending update ? loop */ jnz 11b - stcke 24(%r15) /* Store TOD clock */ - lm %r0,%r1,25(%r15) + stcke 0(%r15) /* Store TOD clock */ + lm %r0,%r1,1(%r15) s %r0,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ sl %r1,__VDSO_XTIME_STAMP+4(%r5) brc 3,12f @@ -132,11 +134,13 @@ __kernel_clock_gettime: 17: st %r2,0(%r3) /* store tp->tv_sec */ st %r1,4(%r3) /* store tp->tv_nsec */ lhi %r2,0 + ahi %r15,16 br %r14 /* Fallback to system call */ 19: lhi %r1,__NR_clock_gettime svc 0 + ahi %r15,16 br %r14 20: .long 1000000000 diff --git a/arch/s390/kernel/vdso32/gettimeofday.S b/arch/s390/kernel/vdso32/gettimeofday.S index 60def5f562db..719de6186b20 100644 --- a/arch/s390/kernel/vdso32/gettimeofday.S +++ b/arch/s390/kernel/vdso32/gettimeofday.S @@ -19,6 +19,7 @@ .type __kernel_gettimeofday,@function __kernel_gettimeofday: .cfi_startproc + ahi %r15,-16 basr %r5,0 0: al %r5,13f-0b(%r5) /* get &_vdso_data */ 1: ltr %r3,%r3 /* check if tz is NULL */ @@ -29,30 +30,30 @@ __kernel_gettimeofday: l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ tml %r4,0x0001 /* pending update ? loop */ jnz 1b - stcke 24(%r15) /* Store TOD clock */ - lm %r0,%r1,25(%r15) + stcke 0(%r15) /* Store TOD clock */ + lm %r0,%r1,1(%r15) s %r0,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ sl %r1,__VDSO_XTIME_STAMP+4(%r5) brc 3,3f ahi %r0,-1 3: ms %r0,__VDSO_TK_MULT(%r5) /* * tk->mult */ - st %r0,24(%r15) + st %r0,0(%r15) l %r0,__VDSO_TK_MULT(%r5) ltr %r1,%r1 mr %r0,%r0 jnm 4f a %r0,__VDSO_TK_MULT(%r5) -4: al %r0,24(%r15) +4: al %r0,0(%r15) al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */ al %r1,__VDSO_XTIME_NSEC+4(%r5) brc 12,5f ahi %r0,1 -5: mvc 24(4,%r15),__VDSO_XTIME_SEC+4(%r5) +5: mvc 0(4,%r15),__VDSO_XTIME_SEC+4(%r5) cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */ jne 1b l %r4,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */ srdl %r0,0(%r4) /* >> tk->shift */ - l %r4,24(%r15) /* get tv_sec from stack */ + l %r4,0(%r15) /* get tv_sec from stack */ basr %r5,0 6: ltr %r0,%r0 jnz 7f @@ -71,6 +72,7 @@ __kernel_gettimeofday: 9: srl %r0,6 st %r0,4(%r2) /* store tv->tv_usec */ 10: slr %r2,%r2 + ahi %r15,16 br %r14 11: .long 1000000000 12: .long 274877907 diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S index 9d9761f8e110..7699e735ae28 100644 --- a/arch/s390/kernel/vdso64/clock_gettime.S +++ b/arch/s390/kernel/vdso64/clock_gettime.S @@ -19,6 +19,7 @@ .type __kernel_clock_gettime,@function __kernel_clock_gettime: .cfi_startproc + aghi %r15,-16 larl %r5,_vdso_data cghi %r2,__CLOCK_REALTIME_COARSE je 4f @@ -37,10 +38,10 @@ __kernel_clock_gettime: 0: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ tmll %r4,0x0001 /* pending update ? loop */ jnz 0b - stcke 48(%r15) /* Store TOD clock */ + stcke 0(%r15) /* Store TOD clock */ lgf %r2,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */ lg %r0,__VDSO_WTOM_SEC(%r5) - lg %r1,49(%r15) + lg %r1,1(%r15) sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ msgf %r1,__VDSO_TK_MULT(%r5) /* * tk->mult */ alg %r1,__VDSO_WTOM_NSEC(%r5) @@ -56,6 +57,7 @@ __kernel_clock_gettime: 2: stg %r0,0(%r3) /* store tp->tv_sec */ stg %r1,8(%r3) /* store tp->tv_nsec */ lghi %r2,0 + aghi %r15,16 br %r14 /* CLOCK_MONOTONIC_COARSE */ @@ -82,9 +84,9 @@ __kernel_clock_gettime: 5: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ tmll %r4,0x0001 /* pending update ? loop */ jnz 5b - stcke 48(%r15) /* Store TOD clock */ + stcke 0(%r15) /* Store TOD clock */ lgf %r2,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */ - lg %r1,49(%r15) + lg %r1,1(%r15) sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ msgf %r1,__VDSO_TK_MULT(%r5) /* * tk->mult */ alg %r1,__VDSO_XTIME_NSEC(%r5) /* + tk->xtime_nsec */ @@ -101,6 +103,7 @@ __kernel_clock_gettime: 7: stg %r0,0(%r3) /* store tp->tv_sec */ stg %r1,8(%r3) /* store tp->tv_nsec */ lghi %r2,0 + aghi %r15,16 br %r14 /* CLOCK_THREAD_CPUTIME_ID for this thread */ @@ -134,11 +137,13 @@ __kernel_clock_gettime: slgr %r4,%r0 /* r4 = tv_nsec */ stg %r4,8(%r3) lghi %r2,0 + aghi %r15,16 br %r14 /* Fallback to system call */ 12: lghi %r1,__NR_clock_gettime svc 0 + aghi %r15,16 br %r14 13: .quad 1000000000 diff --git a/arch/s390/kernel/vdso64/gettimeofday.S b/arch/s390/kernel/vdso64/gettimeofday.S index 7a344995a97f..6ce46707663c 100644 --- a/arch/s390/kernel/vdso64/gettimeofday.S +++ b/arch/s390/kernel/vdso64/gettimeofday.S @@ -19,6 +19,7 @@ .type __kernel_gettimeofday,@function __kernel_gettimeofday: .cfi_startproc + aghi %r15,-16 larl %r5,_vdso_data 0: ltgr %r3,%r3 /* check if tz is NULL */ je 1f @@ -28,8 +29,8 @@ __kernel_gettimeofday: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ tmll %r4,0x0001 /* pending update ? loop */ jnz 0b - stcke 48(%r15) /* Store TOD clock */ - lg %r1,49(%r15) + stcke 0(%r15) /* Store TOD clock */ + lg %r1,1(%r15) sg %r1,__VDSO_XTIME_STAMP(%r5) /* TOD - cycle_last */ msgf %r1,__VDSO_TK_MULT(%r5) /* * tk->mult */ alg %r1,__VDSO_XTIME_NSEC(%r5) /* + tk->xtime_nsec */ @@ -50,6 +51,7 @@ __kernel_gettimeofday: srlg %r0,%r0,6 stg %r0,8(%r2) /* store tv->tv_usec */ 4: lghi %r2,0 + aghi %r15,16 br %r14 5: .quad 1000000000 .long 274877907 diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 416f2a323ba5..7f0089d9a4aa 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -66,7 +66,11 @@ static int do_account_vtime(struct task_struct *tsk, int hardirq_offset) clock = S390_lowcore.last_update_clock; asm volatile( " stpt %0\n" /* Store current cpu timer value */ +#ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES + " stckf %1" /* Store current tod clock value */ +#else " stck %1" /* Store current tod clock value */ +#endif : "=m" (S390_lowcore.last_update_timer), "=m" (S390_lowcore.last_update_clock)); S390_lowcore.system_timer += timer - S390_lowcore.last_update_timer; diff --git a/arch/s390/lib/probes.c b/arch/s390/lib/probes.c index c5d64a099719..ae90e1ae3607 100644 --- a/arch/s390/lib/probes.c +++ b/arch/s390/lib/probes.c @@ -4,7 +4,7 @@ * Copyright IBM Corp. 2014 */ -#include +#include #include int probe_is_prohibited_opcode(u16 *insn) diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 296b61a4af59..1b79ca67392f 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -656,7 +656,7 @@ void __gmap_zap(struct gmap *gmap, unsigned long gaddr) } pgste_set_unlock(ptep, pgste); out_pte: - pte_unmap_unlock(*ptep, ptl); + pte_unmap_unlock(ptep, ptl); } EXPORT_SYMBOL_GPL(__gmap_zap); @@ -943,7 +943,7 @@ int set_guest_storage_key(struct mm_struct *mm, unsigned long addr, } if (!(pte_val(*ptep) & _PAGE_INVALID) && (pte_val(*ptep) & _PAGE_PROTECT)) { - pte_unmap_unlock(*ptep, ptl); + pte_unmap_unlock(ptep, ptl); if (fixup_user_fault(current, mm, addr, FAULT_FLAG_WRITE)) { up_read(&mm->mmap_sem); return -EFAULT; @@ -974,7 +974,7 @@ int set_guest_storage_key(struct mm_struct *mm, unsigned long addr, pgste_val(new) |= PGSTE_UC_BIT; pgste_set_unlock(ptep, new); - pte_unmap_unlock(*ptep, ptl); + pte_unmap_unlock(ptep, ptl); up_read(&mm->mmap_sem); return 0; } diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c index 9139d14b9c53..538c10db3537 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c @@ -118,7 +118,7 @@ static struct plat_sci_port scif0_platform_data = { }; static struct resource scif0_resources[] = { - DEFINE_RES_MEM(0xfffffe80, 0x100), + DEFINE_RES_MEM(0xfffffe80, 0x10), DEFINE_RES_IRQ(evt2irq(0x4e0)), }; @@ -143,7 +143,7 @@ static struct plat_sci_port scif1_platform_data = { }; static struct resource scif1_resources[] = { - DEFINE_RES_MEM(0xa4000150, 0x100), + DEFINE_RES_MEM(0xa4000150, 0x10), DEFINE_RES_IRQ(evt2irq(0x900)), }; @@ -169,7 +169,7 @@ static struct plat_sci_port scif2_platform_data = { }; static struct resource scif2_resources[] = { - DEFINE_RES_MEM(0xa4000140, 0x100), + DEFINE_RES_MEM(0xa4000140, 0x10), DEFINE_RES_IRQ(evt2irq(0x880)), }; diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h index 765c1776ec9f..0e69b7e7a439 100644 --- a/arch/sparc/include/asm/atomic_32.h +++ b/arch/sparc/include/asm/atomic_32.h @@ -22,7 +22,7 @@ int atomic_add_return(int, atomic_t *); int atomic_cmpxchg(atomic_t *, int, int); -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) +int atomic_xchg(atomic_t *, int); int __atomic_add_unless(atomic_t *, int, int); void atomic_set(atomic_t *, int); diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h index 32c29a133f9d..d38b52dca216 100644 --- a/arch/sparc/include/asm/cmpxchg_32.h +++ b/arch/sparc/include/asm/cmpxchg_32.h @@ -11,22 +11,14 @@ #ifndef __ARCH_SPARC_CMPXCHG__ #define __ARCH_SPARC_CMPXCHG__ -static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned long val) -{ - __asm__ __volatile__("swap [%2], %0" - : "=&r" (val) - : "0" (val), "r" (m) - : "memory"); - return val; -} - +unsigned long __xchg_u32(volatile u32 *m, u32 new); void __xchg_called_with_bad_pointer(void); static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int size) { switch (size) { case 4: - return xchg_u32(ptr, x); + return __xchg_u32(ptr, x); } __xchg_called_with_bad_pointer(); return x; diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h index f34682430fcf..2e3a4add8591 100644 --- a/arch/sparc/include/asm/oplib_64.h +++ b/arch/sparc/include/asm/oplib_64.h @@ -62,7 +62,8 @@ struct linux_mem_p1275 { /* You must call prom_init() before using any of the library services, * preferably as early as possible. Pass it the romvec pointer. */ -void prom_init(void *cif_handler, void *cif_stack); +void prom_init(void *cif_handler); +void prom_init_report(void); /* Boot argument acquisition, returns the boot command line string. */ char *prom_getbootargs(void); diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h index f5fffd84d0dd..29d64b1758ed 100644 --- a/arch/sparc/include/asm/setup.h +++ b/arch/sparc/include/asm/setup.h @@ -48,6 +48,8 @@ unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int); #endif #ifdef CONFIG_SPARC64 +void __init start_early_boot(void); + /* unaligned_64.c */ int handle_ldf_stq(u32 insn, struct pt_regs *regs); void handle_ld_nf(u32 insn, struct pt_regs *regs); diff --git a/arch/sparc/include/uapi/asm/swab.h b/arch/sparc/include/uapi/asm/swab.h index a34ad079487e..4c7c12d69bea 100644 --- a/arch/sparc/include/uapi/asm/swab.h +++ b/arch/sparc/include/uapi/asm/swab.h @@ -9,9 +9,9 @@ static inline __u16 __arch_swab16p(const __u16 *addr) { __u16 ret; - __asm__ __volatile__ ("lduha [%1] %2, %0" + __asm__ __volatile__ ("lduha [%2] %3, %0" : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); + : "m" (*addr), "r" (addr), "i" (ASI_PL)); return ret; } #define __arch_swab16p __arch_swab16p @@ -20,9 +20,9 @@ static inline __u32 __arch_swab32p(const __u32 *addr) { __u32 ret; - __asm__ __volatile__ ("lduwa [%1] %2, %0" + __asm__ __volatile__ ("lduwa [%2] %3, %0" : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); + : "m" (*addr), "r" (addr), "i" (ASI_PL)); return ret; } #define __arch_swab32p __arch_swab32p @@ -31,9 +31,9 @@ static inline __u64 __arch_swab64p(const __u64 *addr) { __u64 ret; - __asm__ __volatile__ ("ldxa [%1] %2, %0" + __asm__ __volatile__ ("ldxa [%2] %3, %0" : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); + : "m" (*addr), "r" (addr), "i" (ASI_PL)); return ret; } #define __arch_swab64p __arch_swab64p diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index c842a89b1190..46d83842eddc 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -414,8 +414,9 @@ #define __NR_seccomp 346 #define __NR_getrandom 347 #define __NR_memfd_create 348 +#define __NR_bpf 349 -#define NR_syscalls 349 +#define NR_syscalls 350 /* Bitmask values returned from kern_features system call. */ #define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index ebaba6167dd4..88d322b67fac 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -65,13 +65,10 @@ struct pause_patch_entry { extern struct pause_patch_entry __pause_3insn_patch, __pause_3insn_patch_end; -void __init per_cpu_patch(void); void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *, struct sun4v_1insn_patch_entry *); void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *, struct sun4v_2insn_patch_entry *); -void __init sun4v_patch(void); -void __init boot_cpu_id_too_large(int cpu); extern unsigned int dcache_parity_tl1_occurred; extern unsigned int icache_parity_tl1_occurred; diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 4fdeb8040d4d..3d61fcae7ee3 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -672,14 +672,12 @@ tlb_fixup_done: sethi %hi(init_thread_union), %g6 or %g6, %lo(init_thread_union), %g6 ldx [%g6 + TI_TASK], %g4 - mov %sp, %l6 wr %g0, ASI_P, %asi mov 1, %g1 sllx %g1, THREAD_SHIFT, %g1 sub %g1, (STACKFRAME_SZ + STACK_BIAS), %g1 add %g6, %g1, %sp - mov 0, %fp /* Set per-cpu pointer initially to zero, this makes * the boot-cpu use the in-kernel-image per-cpu areas @@ -706,44 +704,14 @@ tlb_fixup_done: nop #endif - mov %l6, %o1 ! OpenPROM stack call prom_init mov %l7, %o0 ! OpenPROM cif handler - /* Initialize current_thread_info()->cpu as early as possible. - * In order to do that accurately we have to patch up the get_cpuid() - * assembler sequences. And that, in turn, requires that we know - * if we are on a Starfire box or not. While we're here, patch up - * the sun4v sequences as well. + /* To create a one-register-window buffer between the kernel's + * initial stack and the last stack frame we use from the firmware, + * do the rest of the boot from a C helper function. */ - call check_if_starfire - nop - call per_cpu_patch - nop - call sun4v_patch - nop - -#ifdef CONFIG_SMP - call hard_smp_processor_id - nop - cmp %o0, NR_CPUS - blu,pt %xcc, 1f - nop - call boot_cpu_id_too_large - nop - /* Not reached... */ - -1: -#else - mov 0, %o0 -#endif - sth %o0, [%g6 + TI_CPU] - - call prom_init_report - nop - - /* Off we go.... */ - call start_kernel + call start_early_boot nop /* Not reached... */ diff --git a/arch/sparc/kernel/hvtramp.S b/arch/sparc/kernel/hvtramp.S index b7ddcdd1dea9..cdbfec299f2f 100644 --- a/arch/sparc/kernel/hvtramp.S +++ b/arch/sparc/kernel/hvtramp.S @@ -109,7 +109,6 @@ hv_cpu_startup: sllx %g5, THREAD_SHIFT, %g5 sub %g5, (STACKFRAME_SZ + STACK_BIAS), %g5 add %g6, %g5, %sp - mov 0, %fp call init_irqwork_curcpu nop diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 8f76f23dac38..f9c6813c132d 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -581,7 +581,7 @@ static irqreturn_t schizo_pcierr_intr_other(struct pci_pbm_info *pbm) { unsigned long csr_reg, csr, csr_error_bits; irqreturn_t ret = IRQ_NONE; - u16 stat; + u32 stat; csr_reg = pbm->pbm_regs + SCHIZO_PCI_CTRL; csr = upa_readq(csr_reg); @@ -617,7 +617,7 @@ static irqreturn_t schizo_pcierr_intr_other(struct pci_pbm_info *pbm) pbm->name); ret = IRQ_HANDLED; } - pci_read_config_word(pbm->pci_bus->self, PCI_STATUS, &stat); + pbm->pci_ops->read(pbm->pci_bus, 0, PCI_STATUS, 2, &stat); if (stat & (PCI_STATUS_PARITY | PCI_STATUS_SIG_TARGET_ABORT | PCI_STATUS_REC_TARGET_ABORT | @@ -625,7 +625,7 @@ static irqreturn_t schizo_pcierr_intr_other(struct pci_pbm_info *pbm) PCI_STATUS_SIG_SYSTEM_ERROR)) { printk("%s: PCI bus error, PCI_STATUS[%04x]\n", pbm->name, stat); - pci_write_config_word(pbm->pci_bus->self, PCI_STATUS, 0xffff); + pbm->pci_ops->write(pbm->pci_bus, 0, PCI_STATUS, 2, 0xffff); ret = IRQ_HANDLED; } return ret; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index e629b8377587..c38d19fc27ba 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include @@ -162,7 +163,7 @@ char reboot_command[COMMAND_LINE_SIZE]; static struct pt_regs fake_swapper_regs = { { 0, }, 0, 0, 0, 0 }; -void __init per_cpu_patch(void) +static void __init per_cpu_patch(void) { struct cpuid_patch_entry *p; unsigned long ver; @@ -254,7 +255,7 @@ void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start, } } -void __init sun4v_patch(void) +static void __init sun4v_patch(void) { extern void sun4v_hvapi_init(void); @@ -323,14 +324,25 @@ static void __init pause_patch(void) } } -#ifdef CONFIG_SMP -void __init boot_cpu_id_too_large(int cpu) +void __init start_early_boot(void) { - prom_printf("Serious problem, boot cpu id (%d) >= NR_CPUS (%d)\n", - cpu, NR_CPUS); - prom_halt(); + int cpu; + + check_if_starfire(); + per_cpu_patch(); + sun4v_patch(); + + cpu = hard_smp_processor_id(); + if (cpu >= NR_CPUS) { + prom_printf("Serious problem, boot cpu id (%d) >= NR_CPUS (%d)\n", + cpu, NR_CPUS); + prom_halt(); + } + current_thread_info()->cpu = cpu; + + prom_init_report(); + start_kernel(); } -#endif /* On Ultra, we support all of the v8 capabilities. */ unsigned long sparc64_elf_hwcap = (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 302c476413d5..da6f1a7fc4db 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -816,13 +816,17 @@ void arch_send_call_function_single_ipi(int cpu) void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs) { clear_softint(1 << irq); + irq_enter(); generic_smp_call_function_interrupt(); + irq_exit(); } void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs) { clear_softint(1 << irq); + irq_enter(); generic_smp_call_function_single_interrupt(); + irq_exit(); } static void tsb_sync(void *info) diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 6a873c344bc0..ad0cdf497b78 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -86,4 +86,4 @@ sys_call_table: /*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime /*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev /*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr -/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create +/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index d9151b6490d8..580cde9370c9 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -87,7 +87,7 @@ sys_call_table32: /*330*/ .word compat_sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr - .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create + .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf #endif /* CONFIG_COMPAT */ @@ -166,4 +166,4 @@ sys_call_table: /*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr - .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create + .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf diff --git a/arch/sparc/kernel/trampoline_64.S b/arch/sparc/kernel/trampoline_64.S index 737f8cbc7d56..88ede1d53b4c 100644 --- a/arch/sparc/kernel/trampoline_64.S +++ b/arch/sparc/kernel/trampoline_64.S @@ -109,10 +109,13 @@ startup_continue: brnz,pn %g1, 1b nop - sethi %hi(p1275buf), %g2 - or %g2, %lo(p1275buf), %g2 - ldx [%g2 + 0x10], %l2 - add %l2, -(192 + 128), %sp + /* Get onto temporary stack which will be in the locked + * kernel image. + */ + sethi %hi(tramp_stack), %g1 + or %g1, %lo(tramp_stack), %g1 + add %g1, TRAMP_STACK_SIZE, %g1 + sub %g1, STACKFRAME_SZ + STACK_BIAS + 256, %sp flushw /* Setup the loop variables: @@ -394,7 +397,6 @@ after_lock_tlb: sllx %g5, THREAD_SHIFT, %g5 sub %g5, (STACKFRAME_SZ + STACK_BIAS), %g5 add %g6, %g5, %sp - mov 0, %fp rdpr %pstate, %o1 or %o1, PSTATE_IE, %o1 diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index a7c418ac26af..71cd65ab200c 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -45,6 +45,19 @@ ATOMIC_OP(add, +=) #undef ATOMIC_OP +int atomic_xchg(atomic_t *v, int new) +{ + int ret; + unsigned long flags; + + spin_lock_irqsave(ATOMIC_HASH(v), flags); + ret = v->counter; + v->counter = new; + spin_unlock_irqrestore(ATOMIC_HASH(v), flags); + return ret; +} +EXPORT_SYMBOL(atomic_xchg); + int atomic_cmpxchg(atomic_t *v, int old, int new) { int ret; @@ -137,3 +150,17 @@ unsigned long __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new) return (unsigned long)prev; } EXPORT_SYMBOL(__cmpxchg_u32); + +unsigned long __xchg_u32(volatile u32 *ptr, u32 new) +{ + unsigned long flags; + u32 prev; + + spin_lock_irqsave(ATOMIC_HASH(ptr), flags); + prev = *ptr; + *ptr = new; + spin_unlock_irqrestore(ATOMIC_HASH(ptr), flags); + + return (unsigned long)prev; +} +EXPORT_SYMBOL(__xchg_u32); diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index 1aed0432c64b..ae6ce383d4df 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -160,6 +160,36 @@ static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end, return 1; } +int __get_user_pages_fast(unsigned long start, int nr_pages, int write, + struct page **pages) +{ + struct mm_struct *mm = current->mm; + unsigned long addr, len, end; + unsigned long next, flags; + pgd_t *pgdp; + int nr = 0; + + start &= PAGE_MASK; + addr = start; + len = (unsigned long) nr_pages << PAGE_SHIFT; + end = start + len; + + local_irq_save(flags); + pgdp = pgd_offset(mm, addr); + do { + pgd_t pgd = *pgdp; + + next = pgd_addr_end(addr, end); + if (pgd_none(pgd)) + break; + if (!gup_pud_range(pgd, addr, next, write, pages, &nr)) + break; + } while (pgdp++, addr = next, addr != end); + local_irq_restore(flags); + + return nr; +} + int get_user_pages_fast(unsigned long start, int nr_pages, int write, struct page **pages) { diff --git a/arch/sparc/prom/cif.S b/arch/sparc/prom/cif.S index 9c86b4b7d429..8050f381f518 100644 --- a/arch/sparc/prom/cif.S +++ b/arch/sparc/prom/cif.S @@ -11,11 +11,10 @@ .text .globl prom_cif_direct prom_cif_direct: + save %sp, -192, %sp sethi %hi(p1275buf), %o1 or %o1, %lo(p1275buf), %o1 - ldx [%o1 + 0x0010], %o2 ! prom_cif_stack - save %o2, -192, %sp - ldx [%i1 + 0x0008], %l2 ! prom_cif_handler + ldx [%o1 + 0x0008], %l2 ! prom_cif_handler mov %g4, %l0 mov %g5, %l1 mov %g6, %l3 diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c index d95db755828f..110b0d78b864 100644 --- a/arch/sparc/prom/init_64.c +++ b/arch/sparc/prom/init_64.c @@ -26,13 +26,13 @@ phandle prom_chosen_node; * It gets passed the pointer to the PROM vector. */ -extern void prom_cif_init(void *, void *); +extern void prom_cif_init(void *); -void __init prom_init(void *cif_handler, void *cif_stack) +void __init prom_init(void *cif_handler) { phandle node; - prom_cif_init(cif_handler, cif_stack); + prom_cif_init(cif_handler); prom_chosen_node = prom_finddevice(prom_chosen_path); if (!prom_chosen_node || (s32)prom_chosen_node == -1) diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c index b2340f008ae0..545d8bb79b65 100644 --- a/arch/sparc/prom/p1275.c +++ b/arch/sparc/prom/p1275.c @@ -20,7 +20,6 @@ struct { long prom_callback; /* 0x00 */ void (*prom_cif_handler)(long *); /* 0x08 */ - unsigned long prom_cif_stack; /* 0x10 */ } p1275buf; extern void prom_world(int); @@ -52,5 +51,4 @@ void p1275_cmd_direct(unsigned long *args) void prom_cif_init(void *cif_handler, void *cif_stack) { p1275buf.prom_cif_handler = (void (*)(long *))cif_handler; - p1275buf.prom_cif_stack = (unsigned long)cif_stack; } diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f2327e88e07c..ded8a6774ac9 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -142,6 +142,10 @@ config INSTRUCTION_DECODER def_bool y depends on KPROBES || PERF_EVENTS || UPROBES +config PERF_EVENTS_INTEL_UNCORE + def_bool y + depends on PERF_EVENTS && SUP_SUP_INTEL && PCI + config OUTPUT_FORMAT string default "elf32-i386" if X86_32 diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 704f58aa79cd..be1e07d4b596 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -76,8 +76,10 @@ suffix-$(CONFIG_KERNEL_XZ) := xz suffix-$(CONFIG_KERNEL_LZO) := lzo suffix-$(CONFIG_KERNEL_LZ4) := lz4 +RUN_SIZE = $(shell objdump -h vmlinux | \ + perl $(srctree)/arch/x86/tools/calc_run_size.pl) quiet_cmd_mkpiggy = MKPIGGY $@ - cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) + cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false ) targets += piggy.S $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index de8eebd6f67c..1acf605a646d 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -330,8 +330,10 @@ __setup_efi_pci32(efi_pci_io_protocol_32 *pci, struct pci_setup_rom **__rom) size = pci->romsize + sizeof(*rom); status = efi_call_early(allocate_pool, EFI_LOADER_DATA, size, &rom); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "Failed to alloc mem for rom\n"); return status; + } memset(rom, 0, sizeof(*rom)); @@ -344,14 +346,18 @@ __setup_efi_pci32(efi_pci_io_protocol_32 *pci, struct pci_setup_rom **__rom) status = efi_early->call(pci->pci.read, pci, EfiPciIoWidthUint16, PCI_VENDOR_ID, 1, &(rom->vendor)); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "Failed to read rom->vendor\n"); goto free_struct; + } status = efi_early->call(pci->pci.read, pci, EfiPciIoWidthUint16, PCI_DEVICE_ID, 1, &(rom->devid)); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "Failed to read rom->devid\n"); goto free_struct; + } status = efi_early->call(pci->get_location, pci, &(rom->segment), &(rom->bus), &(rom->device), &(rom->function)); @@ -432,8 +438,10 @@ __setup_efi_pci64(efi_pci_io_protocol_64 *pci, struct pci_setup_rom **__rom) size = pci->romsize + sizeof(*rom); status = efi_call_early(allocate_pool, EFI_LOADER_DATA, size, &rom); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "Failed to alloc mem for rom\n"); return status; + } rom->data.type = SETUP_PCI; rom->data.len = size - sizeof(struct setup_data); @@ -444,14 +452,18 @@ __setup_efi_pci64(efi_pci_io_protocol_64 *pci, struct pci_setup_rom **__rom) status = efi_early->call(pci->pci.read, pci, EfiPciIoWidthUint16, PCI_VENDOR_ID, 1, &(rom->vendor)); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "Failed to read rom->vendor\n"); goto free_struct; + } status = efi_early->call(pci->pci.read, pci, EfiPciIoWidthUint16, PCI_DEVICE_ID, 1, &(rom->devid)); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "Failed to read rom->devid\n"); goto free_struct; + } status = efi_early->call(pci->get_location, pci, &(rom->segment), &(rom->bus), &(rom->device), &(rom->function)); @@ -538,8 +550,10 @@ static void setup_efi_pci(struct boot_params *params) EFI_LOADER_DATA, size, (void **)&pci_handle); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "Failed to alloc mem for pci_handle\n"); return; + } status = efi_call_early(locate_handle, EFI_LOCATE_BY_PROTOCOL, &pci_proto, @@ -1105,6 +1119,10 @@ struct boot_params *make_boot_params(struct efi_config *c) memset(sdt, 0, sizeof(*sdt)); + status = efi_parse_options(cmdline_ptr); + if (status != EFI_SUCCESS) + goto fail2; + status = handle_cmdline_files(sys_table, image, (char *)(unsigned long)hdr->cmd_line_ptr, "initrd=", hdr->initrd_addr_max, diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index cbed1407a5cd..1d7fbbcc196d 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -207,7 +207,8 @@ relocated: * Do the decompression, and jump to the new kernel.. */ /* push arguments for decompress_kernel: */ - pushl $z_output_len /* decompressed length */ + pushl $z_run_size /* size of kernel with .bss and .brk */ + pushl $z_output_len /* decompressed length, end of relocs */ leal z_extract_offset_negative(%ebx), %ebp pushl %ebp /* output address */ pushl $z_input_len /* input_len */ @@ -217,7 +218,7 @@ relocated: pushl %eax /* heap area */ pushl %esi /* real mode pointer */ call decompress_kernel /* returns kernel location in %eax */ - addl $24, %esp + addl $28, %esp /* * Jump to the decompressed kernel. diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index 2884e0c3e8a5..6b1766c6c082 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -402,13 +402,16 @@ relocated: * Do the decompression, and jump to the new kernel.. */ pushq %rsi /* Save the real mode argument */ + movq $z_run_size, %r9 /* size of kernel with .bss and .brk */ + pushq %r9 movq %rsi, %rdi /* real mode address */ leaq boot_heap(%rip), %rsi /* malloc area for uncompression */ leaq input_data(%rip), %rdx /* input_data */ movl $z_input_len, %ecx /* input_len */ movq %rbp, %r8 /* output target address */ - movq $z_output_len, %r9 /* decompressed length */ + movq $z_output_len, %r9 /* decompressed length, end of relocs */ call decompress_kernel /* returns kernel location in %rax */ + popq %r9 popq %rsi /* diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 57ab74df7eea..30dd59a9f0b4 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -358,7 +358,8 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, unsigned char *input_data, unsigned long input_len, unsigned char *output, - unsigned long output_len) + unsigned long output_len, + unsigned long run_size) { real_mode = rmode; @@ -381,8 +382,14 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, free_mem_ptr = heap; /* Heap */ free_mem_end_ptr = heap + BOOT_HEAP_SIZE; - output = choose_kernel_location(input_data, input_len, - output, output_len); + /* + * The memory hole needed for the kernel is the larger of either + * the entire decompressed kernel plus relocation table, or the + * entire decompressed kernel plus .bss and .brk sections. + */ + output = choose_kernel_location(input_data, input_len, output, + output_len > run_size ? output_len + : run_size); /* Validate memory location choices. */ if ((unsigned long)output & (MIN_KERNEL_ALIGN - 1)) diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c index b669ab65bf6c..d8222f213182 100644 --- a/arch/x86/boot/compressed/mkpiggy.c +++ b/arch/x86/boot/compressed/mkpiggy.c @@ -36,11 +36,13 @@ int main(int argc, char *argv[]) uint32_t olen; long ilen; unsigned long offs; + unsigned long run_size; FILE *f = NULL; int retval = 1; - if (argc < 2) { - fprintf(stderr, "Usage: %s compressed_file\n", argv[0]); + if (argc < 3) { + fprintf(stderr, "Usage: %s compressed_file run_size\n", + argv[0]); goto bail; } @@ -74,6 +76,7 @@ int main(int argc, char *argv[]) offs += olen >> 12; /* Add 8 bytes for each 32K block */ offs += 64*1024 + 128; /* Add 64K + 128 bytes slack */ offs = (offs+4095) & ~4095; /* Round to a 4K boundary */ + run_size = atoi(argv[2]); printf(".section \".rodata..compressed\",\"a\",@progbits\n"); printf(".globl z_input_len\n"); @@ -85,6 +88,8 @@ int main(int argc, char *argv[]) /* z_extract_offset_negative allows simplification of head_32.S */ printf(".globl z_extract_offset_negative\n"); printf("z_extract_offset_negative = -0x%lx\n", offs); + printf(".globl z_run_size\n"); + printf("z_run_size = %lu\n", run_size); printf(".globl input_data, input_data_end\n"); printf("input_data:\n"); diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index 8ffba18395c8..ffe71228fc10 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -157,7 +157,7 @@ ENTRY(ia32_sysenter_target) * ourselves. To save a few cycles, we can check whether * NT was set instead of doing an unconditional popfq. */ - testl $X86_EFLAGS_NT,EFLAGS(%rsp) /* saved EFLAGS match cpu */ + testl $X86_EFLAGS_NT,EFLAGS-ARGOFFSET(%rsp) jnz sysenter_fix_flags sysenter_flags_fixed: diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h index 0ec241ede5a2..9b11757975d0 100644 --- a/arch/x86/include/asm/efi.h +++ b/arch/x86/include/asm/efi.h @@ -81,24 +81,23 @@ extern u64 asmlinkage efi_call(void *fp, ...); */ #define __efi_call_virt(f, args...) efi_call_virt(f, args) -extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size, - u32 type, u64 attribute); +extern void __iomem *__init efi_ioremap(unsigned long addr, unsigned long size, + u32 type, u64 attribute); #endif /* CONFIG_X86_32 */ -extern int add_efi_memmap; extern struct efi_scratch efi_scratch; -extern void efi_set_executable(efi_memory_desc_t *md, bool executable); -extern int efi_memblock_x86_reserve_range(void); -extern void efi_call_phys_prelog(void); -extern void efi_call_phys_epilog(void); -extern void efi_unmap_memmap(void); -extern void efi_memory_uc(u64 addr, unsigned long size); +extern void __init efi_set_executable(efi_memory_desc_t *md, bool executable); +extern int __init efi_memblock_x86_reserve_range(void); +extern void __init efi_call_phys_prolog(void); +extern void __init efi_call_phys_epilog(void); +extern void __init efi_unmap_memmap(void); +extern void __init efi_memory_uc(u64 addr, unsigned long size); extern void __init efi_map_region(efi_memory_desc_t *md); extern void __init efi_map_region_fixed(efi_memory_desc_t *md); extern void efi_sync_low_kernel_mappings(void); -extern int efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages); -extern void efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages); +extern int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages); +extern void __init efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages); extern void __init old_map_region(efi_memory_desc_t *md); extern void __init runtime_code_page_mkexec(void); extern void __init efi_runtime_mkexec(void); @@ -162,16 +161,6 @@ static inline efi_status_t efi_thunk_set_virtual_address_map( extern bool efi_reboot_required(void); #else -/* - * IF EFI is not configured, have the EFI calls return -ENOSYS. - */ -#define efi_call0(_f) (-ENOSYS) -#define efi_call1(_f, _a1) (-ENOSYS) -#define efi_call2(_f, _a1, _a2) (-ENOSYS) -#define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS) -#define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS) -#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS) -#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS) static inline void parse_efi_setup(u64 phys_addr, u32 data_len) {} static inline bool efi_reboot_required(void) { diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 7d603a71ab3a..6ed0c30d6a0c 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -989,6 +989,20 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code) kvm_queue_exception_e(vcpu, GP_VECTOR, error_code); } +static inline u64 get_canonical(u64 la) +{ + return ((int64_t)la << 16) >> 16; +} + +static inline bool is_noncanonical_address(u64 la) +{ +#ifdef CONFIG_X86_64 + return get_canonical(la) != la; +#else + return false; +#endif +} + #define TSS_IOPB_BASE_OFFSET 0x66 #define TSS_BASE_SIZE 0x68 #define TSS_IOPB_SIZE (65536 / 8) @@ -1050,7 +1064,7 @@ void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, unsigned long address); void kvm_define_shared_msr(unsigned index, u32 msr); -void kvm_set_shared_msr(unsigned index, u64 val, u64 mask); +int kvm_set_shared_msr(unsigned index, u64 val, u64 mask); bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip); diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h index 7024c12f7bfe..400873450e33 100644 --- a/arch/x86/include/asm/preempt.h +++ b/arch/x86/include/asm/preempt.h @@ -105,6 +105,7 @@ static __always_inline bool should_resched(void) # ifdef CONFIG_CONTEXT_TRACKING extern asmlinkage void ___preempt_schedule_context(void); # define __preempt_schedule_context() asm ("call ___preempt_schedule_context") + extern asmlinkage void preempt_schedule_context(void); # endif #endif diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 8cd27e08e23c..8cd1cc3bc835 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -150,6 +150,7 @@ static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask) } void cpu_disable_common(void); +void cpu_die_common(unsigned int cpu); void native_smp_prepare_boot_cpu(void); void native_smp_prepare_cpus(unsigned int max_cpus); void native_smp_cpus_done(unsigned int max_cpus); diff --git a/arch/x86/include/uapi/asm/vmx.h b/arch/x86/include/uapi/asm/vmx.h index 0e79420376eb..990a2fe1588d 100644 --- a/arch/x86/include/uapi/asm/vmx.h +++ b/arch/x86/include/uapi/asm/vmx.h @@ -67,6 +67,7 @@ #define EXIT_REASON_EPT_MISCONFIG 49 #define EXIT_REASON_INVEPT 50 #define EXIT_REASON_PREEMPTION_TIMER 52 +#define EXIT_REASON_INVVPID 53 #define EXIT_REASON_WBINVD 54 #define EXIT_REASON_XSETBV 55 #define EXIT_REASON_APIC_WRITE 56 @@ -114,6 +115,7 @@ { EXIT_REASON_EOI_INDUCED, "EOI_INDUCED" }, \ { EXIT_REASON_INVALID_STATE, "INVALID_STATE" }, \ { EXIT_REASON_INVD, "INVD" }, \ + { EXIT_REASON_INVVPID, "INVVPID" }, \ { EXIT_REASON_INVPCID, "INVPCID" } #endif /* _UAPIVMX_H */ diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index b436fc735aa4..a142e77693e1 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -397,7 +397,7 @@ static int mp_register_gsi(struct device *dev, u32 gsi, int trigger, /* Don't set up the ACPI SCI because it's already set up */ if (acpi_gbl_FADT.sci_interrupt == gsi) - return gsi; + return mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC); trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1; polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1; @@ -604,14 +604,18 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) int acpi_gsi_to_irq(u32 gsi, unsigned int *irqp) { - int irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK); + int irq; - if (irq >= 0) { + if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) { + *irqp = gsi; + } else { + irq = mp_map_gsi_to_irq(gsi, + IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK); + if (irq < 0) + return -1; *irqp = irq; - return 0; } - - return -1; + return 0; } EXPORT_SYMBOL_GPL(acpi_gsi_to_irq); diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c index 5972b108f15a..b708738d016e 100644 --- a/arch/x86/kernel/apb_timer.c +++ b/arch/x86/kernel/apb_timer.c @@ -185,8 +185,6 @@ static void apbt_setup_irq(struct apbt_dev *adev) irq_modify_status(adev->irq, 0, IRQ_MOVE_PCNTXT); irq_set_affinity(adev->irq, cpumask_of(adev->cpu)); - /* APB timer irqs are set up as mp_irqs, timer is edge type */ - __irq_set_handler(adev->irq, handle_edge_irq, 0, "edge"); } /* Should be called with per cpu */ diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 00853b254ab0..ba6cc041edb1 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1297,7 +1297,7 @@ void setup_local_APIC(void) unsigned int value, queued; int i, j, acked = 0; unsigned long long tsc = 0, ntsc; - long long max_loops = cpu_khz; + long long max_loops = cpu_khz ? cpu_khz : 1000000; if (cpu_has_tsc) rdtscll(tsc); @@ -1383,7 +1383,7 @@ void setup_local_APIC(void) break; } if (queued) { - if (cpu_has_tsc) { + if (cpu_has_tsc && cpu_khz) { rdtscll(ntsc); max_loops = (cpu_khz << 10) - (ntsc - tsc); } else diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index 01d5453b5502..e27b49d7c922 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -39,9 +39,12 @@ obj-$(CONFIG_CPU_SUP_AMD) += perf_event_amd_iommu.o endif obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_knc.o perf_event_p4.o obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_lbr.o perf_event_intel_ds.o perf_event_intel.o -obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_uncore.o perf_event_intel_uncore_snb.o -obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_uncore_snbep.o perf_event_intel_uncore_nhmex.o obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_rapl.o + +obj-$(CONFIG_PERF_EVENTS_INTEL_UNCORE) += perf_event_intel_uncore.o \ + perf_event_intel_uncore_snb.o \ + perf_event_intel_uncore_snbep.o \ + perf_event_intel_uncore_nhmex.o endif diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 1ef456273172..9cc6b6f25f42 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -213,12 +213,13 @@ static void intel_workarounds(struct cpuinfo_x86 *c) { #ifdef CONFIG_X86_F00F_BUG /* - * All current models of Pentium and Pentium with MMX technology CPUs + * All models of Pentium and Pentium with MMX technology CPUs * have the F0 0F bug, which lets nonprivileged users lock up the * system. Announce that the fault handler will be checking for it. + * The Quark is also family 5, but does not have the same bug. */ clear_cpu_bug(c, X86_BUG_F00F); - if (!paravirt_enabled() && c->x86 == 5) { + if (!paravirt_enabled() && c->x86 == 5 && c->x86_model < 9) { static int f00f_workaround_enabled; set_cpu_bug(c, X86_BUG_F00F); diff --git a/arch/x86/kernel/cpu/microcode/amd_early.c b/arch/x86/kernel/cpu/microcode/amd_early.c index 7aa1acc79789..06674473b0e6 100644 --- a/arch/x86/kernel/cpu/microcode/amd_early.c +++ b/arch/x86/kernel/cpu/microcode/amd_early.c @@ -108,12 +108,13 @@ static size_t compute_container_size(u8 *data, u32 total_size) * load_microcode_amd() to save equivalent cpu table and microcode patches in * kernel heap memory. */ -static void apply_ucode_in_initrd(void *ucode, size_t size) +static void apply_ucode_in_initrd(void *ucode, size_t size, bool save_patch) { struct equiv_cpu_entry *eq; size_t *cont_sz; u32 *header; u8 *data, **cont; + u8 (*patch)[PATCH_MAX_SIZE]; u16 eq_id = 0; int offset, left; u32 rev, eax, ebx, ecx, edx; @@ -123,10 +124,12 @@ static void apply_ucode_in_initrd(void *ucode, size_t size) new_rev = (u32 *)__pa_nodebug(&ucode_new_rev); cont_sz = (size_t *)__pa_nodebug(&container_size); cont = (u8 **)__pa_nodebug(&container); + patch = (u8 (*)[PATCH_MAX_SIZE])__pa_nodebug(&amd_ucode_patch); #else new_rev = &ucode_new_rev; cont_sz = &container_size; cont = &container; + patch = &amd_ucode_patch; #endif data = ucode; @@ -213,9 +216,9 @@ static void apply_ucode_in_initrd(void *ucode, size_t size) rev = mc->hdr.patch_id; *new_rev = rev; - /* save ucode patch */ - memcpy(amd_ucode_patch, mc, - min_t(u32, header[1], PATCH_MAX_SIZE)); + if (save_patch) + memcpy(patch, mc, + min_t(u32, header[1], PATCH_MAX_SIZE)); } } @@ -246,7 +249,7 @@ void __init load_ucode_amd_bsp(void) *data = cp.data; *size = cp.size; - apply_ucode_in_initrd(cp.data, cp.size); + apply_ucode_in_initrd(cp.data, cp.size, true); } #ifdef CONFIG_X86_32 @@ -263,7 +266,7 @@ void load_ucode_amd_ap(void) size_t *usize; void **ucode; - mc = (struct microcode_amd *)__pa(amd_ucode_patch); + mc = (struct microcode_amd *)__pa_nodebug(amd_ucode_patch); if (mc->hdr.patch_id && mc->hdr.processor_rev_id) { __apply_microcode_amd(mc); return; @@ -275,7 +278,7 @@ void load_ucode_amd_ap(void) if (!*ucode || !*usize) return; - apply_ucode_in_initrd(*ucode, *usize); + apply_ucode_in_initrd(*ucode, *usize, false); } static void __init collect_cpu_sig_on_bsp(void *arg) @@ -339,7 +342,7 @@ void load_ucode_amd_ap(void) * AP has a different equivalence ID than BSP, looks like * mixed-steppings silicon so go through the ucode blob anew. */ - apply_ucode_in_initrd(ucode_cpio.data, ucode_cpio.size); + apply_ucode_in_initrd(ucode_cpio.data, ucode_cpio.size, false); } } #endif @@ -347,7 +350,9 @@ void load_ucode_amd_ap(void) int __init save_microcode_in_initrd_amd(void) { unsigned long cont; + int retval = 0; enum ucode_state ret; + u8 *cont_va; u32 eax; if (!container) @@ -355,13 +360,15 @@ int __init save_microcode_in_initrd_amd(void) #ifdef CONFIG_X86_32 get_bsp_sig(); - cont = (unsigned long)container; + cont = (unsigned long)container; + cont_va = __va(container); #else /* * We need the physical address of the container for both bitness since * boot_params.hdr.ramdisk_image is a physical address. */ - cont = __pa(container); + cont = __pa(container); + cont_va = container; #endif /* @@ -372,6 +379,8 @@ int __init save_microcode_in_initrd_amd(void) if (relocated_ramdisk) container = (u8 *)(__va(relocated_ramdisk) + (cont - boot_params.hdr.ramdisk_image)); + else + container = cont_va; if (ucode_new_rev) pr_info("microcode: updated early to new patch_level=0x%08x\n", @@ -382,7 +391,7 @@ int __init save_microcode_in_initrd_amd(void) ret = load_microcode_amd(eax, container, container_size); if (ret != UCODE_OK) - return -EINVAL; + retval = -EINVAL; /* * This will be freed any msec now, stash patches for the current @@ -391,5 +400,5 @@ int __init save_microcode_in_initrd_amd(void) container = NULL; container_size = 0; - return 0; + return retval; } diff --git a/arch/x86/kernel/cpu/microcode/core_early.c b/arch/x86/kernel/cpu/microcode/core_early.c index 5f28a64e71ea..2c017f242a78 100644 --- a/arch/x86/kernel/cpu/microcode/core_early.c +++ b/arch/x86/kernel/cpu/microcode/core_early.c @@ -124,7 +124,7 @@ void __init load_ucode_bsp(void) static bool check_loader_disabled_ap(void) { #ifdef CONFIG_X86_32 - return __pa_nodebug(dis_ucode_ldr); + return *((bool *)__pa_nodebug(&dis_ucode_ldr)); #else return dis_ucode_ldr; #endif diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 1b8299dd3d91..143e5f5dc855 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -243,8 +243,9 @@ static bool check_hw_exists(void) msr_fail: printk(KERN_CONT "Broken PMU hardware detected, using software events only.\n"); - printk(boot_cpu_has(X86_FEATURE_HYPERVISOR) ? KERN_INFO : KERN_ERR - "Failed to access perfctr msr (MSR %x is %Lx)\n", reg, val_new); + printk("%sFailed to access perfctr msr (MSR %x is %Lx)\n", + boot_cpu_has(X86_FEATURE_HYPERVISOR) ? KERN_INFO : KERN_ERR, + reg, val_new); return false; } @@ -444,12 +445,6 @@ int x86_pmu_hw_config(struct perf_event *event) if (event->attr.type == PERF_TYPE_RAW) event->hw.config |= event->attr.config & X86_RAW_EVENT_MASK; - if (event->attr.sample_period && x86_pmu.limit_period) { - if (x86_pmu.limit_period(event, event->attr.sample_period) > - event->attr.sample_period) - return -EINVAL; - } - return x86_setup_perfctr(event); } @@ -987,9 +982,6 @@ int x86_perf_event_set_period(struct perf_event *event) if (left > x86_pmu.max_period) left = x86_pmu.max_period; - if (x86_pmu.limit_period) - left = x86_pmu.limit_period(event, left); - per_cpu(pmc_prev_left[idx], smp_processor_id()) = left; /* diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index d98a34d435d7..fc5eb390b368 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -445,7 +445,6 @@ struct x86_pmu { struct x86_pmu_quirk *quirks; int perfctr_second_write; bool late_ack; - unsigned (*limit_period)(struct perf_event *event, unsigned l); /* * sysfs attrs diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index a73947c53b65..944bf019b74f 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -220,15 +220,6 @@ static struct event_constraint intel_hsw_event_constraints[] = { EVENT_CONSTRAINT_END }; -static struct event_constraint intel_bdw_event_constraints[] = { - FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ - FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */ - INTEL_EVENT_CONSTRAINT(0xa3, 0x4), /* CYCLE_ACTIVITY.* */ - EVENT_CONSTRAINT_END -}; - static u64 intel_pmu_event_map(int hw_event) { return intel_perfmon_event_map[hw_event]; @@ -424,126 +415,6 @@ static __initconst const u64 snb_hw_cache_event_ids }; -static __initconst const u64 hsw_hw_cache_event_ids - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(L1D ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x0, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(L1I ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x280, /* ICACHE.MISSES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(LL ) ] = { - [ C(OP_READ) ] = { - /* OFFCORE_RESPONSE:ALL_DATA_RD|ALL_CODE_RD */ - [ C(RESULT_ACCESS) ] = 0x1b7, - /* OFFCORE_RESPONSE:ALL_DATA_RD|ALL_CODE_RD|SUPPLIER_NONE| - L3_MISS|ANY_SNOOP */ - [ C(RESULT_MISS) ] = 0x1b7, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE:ALL_RFO */ - /* OFFCORE_RESPONSE:ALL_RFO|SUPPLIER_NONE|L3_MISS|ANY_SNOOP */ - [ C(RESULT_MISS) ] = 0x1b7, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(DTLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x108, /* DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */ - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, - [ C(ITLB) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0x6085, /* ITLB_MISSES.STLB_HIT */ - [ C(RESULT_MISS) ] = 0x185, /* ITLB_MISSES.MISS_CAUSES_A_WALK */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, - [ C(BPU ) ] = { - [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */ - [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */ - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, - }, - }, -}; - -static __initconst const u64 hsw_hw_cache_extra_regs - [PERF_COUNT_HW_CACHE_MAX] - [PERF_COUNT_HW_CACHE_OP_MAX] - [PERF_COUNT_HW_CACHE_RESULT_MAX] = -{ - [ C(LL ) ] = { - [ C(OP_READ) ] = { - /* OFFCORE_RESPONSE:ALL_DATA_RD|ALL_CODE_RD */ - [ C(RESULT_ACCESS) ] = 0x2d5, - /* OFFCORE_RESPONSE:ALL_DATA_RD|ALL_CODE_RD|SUPPLIER_NONE| - L3_MISS|ANY_SNOOP */ - [ C(RESULT_MISS) ] = 0x3fbc0202d5ull, - }, - [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = 0x122, /* OFFCORE_RESPONSE:ALL_RFO */ - /* OFFCORE_RESPONSE:ALL_RFO|SUPPLIER_NONE|L3_MISS|ANY_SNOOP */ - [ C(RESULT_MISS) ] = 0x3fbc020122ull, - }, - [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = 0x0, - [ C(RESULT_MISS) ] = 0x0, - }, - }, -}; - static __initconst const u64 westmere_hw_cache_event_ids [PERF_COUNT_HW_CACHE_MAX] [PERF_COUNT_HW_CACHE_OP_MAX] @@ -2034,24 +1905,6 @@ hsw_get_event_constraints(struct cpu_hw_events *cpuc, struct perf_event *event) return c; } -/* - * Broadwell: - * The INST_RETIRED.ALL period always needs to have lowest - * 6bits cleared (BDM57). It shall not use a period smaller - * than 100 (BDM11). We combine the two to enforce - * a min-period of 128. - */ -static unsigned bdw_limit_period(struct perf_event *event, unsigned left) -{ - if ((event->hw.config & INTEL_ARCH_EVENT_MASK) == - X86_CONFIG(.event=0xc0, .umask=0x01)) { - if (left < 128) - left = 128; - left &= ~0x3fu; - } - return left; -} - PMU_FORMAT_ATTR(event, "config:0-7" ); PMU_FORMAT_ATTR(umask, "config:8-15" ); PMU_FORMAT_ATTR(edge, "config:18" ); @@ -2692,8 +2545,8 @@ __init int intel_pmu_init(void) case 69: /* 22nm Haswell ULT */ case 70: /* 22nm Haswell + GT3e (Intel Iris Pro graphics) */ x86_pmu.late_ack = true; - memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); + memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); + memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); intel_pmu_lbr_init_snb(); @@ -2712,28 +2565,6 @@ __init int intel_pmu_init(void) pr_cont("Haswell events, "); break; - case 61: /* 14nm Broadwell Core-M */ - x86_pmu.late_ack = true; - memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids)); - memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); - - intel_pmu_lbr_init_snb(); - - x86_pmu.event_constraints = intel_bdw_event_constraints; - x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints; - x86_pmu.extra_regs = intel_snbep_extra_regs; - x86_pmu.pebs_aliases = intel_pebs_aliases_snb; - /* all extra regs are per-cpu when HT is on */ - x86_pmu.er_flags |= ERF_HAS_RSP_1; - x86_pmu.er_flags |= ERF_NO_HT_SHARING; - - x86_pmu.hw_config = hsw_hw_config; - x86_pmu.get_event_constraints = hsw_get_event_constraints; - x86_pmu.cpu_events = hsw_events_attrs; - x86_pmu.limit_period = bdw_limit_period; - pr_cont("Broadwell events, "); - break; - default: switch (x86_pmu.version) { case 1: diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index b553ed89e5f5..344b63f18d14 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -447,15 +447,14 @@ sysenter_exit: sysenter_audit: testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%ebp) jnz syscall_trace_entry - addl $4,%esp - CFI_ADJUST_CFA_OFFSET -4 - movl %esi,4(%esp) /* 5th arg: 4th syscall arg */ - movl %edx,(%esp) /* 4th arg: 3rd syscall arg */ - /* %ecx already in %ecx 3rd arg: 2nd syscall arg */ - movl %ebx,%edx /* 2nd arg: 1st syscall arg */ - /* %eax already in %eax 1st arg: syscall number */ + /* movl PT_EAX(%esp), %eax already set, syscall number: 1st arg to audit */ + movl PT_EBX(%esp), %edx /* ebx/a0: 2nd arg to audit */ + /* movl PT_ECX(%esp), %ecx already set, a1: 3nd arg to audit */ + pushl_cfi PT_ESI(%esp) /* a3: 5th arg */ + pushl_cfi PT_EDX+4(%esp) /* a2: 4th arg */ call __audit_syscall_entry - pushl_cfi %ebx + popl_cfi %ecx /* get that remapped edx off the stack */ + popl_cfi %ecx /* get that remapped esi off the stack */ movl PT_EAX(%esp),%eax /* reload syscall number */ jmp sysenter_do_call diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index 8af817105e29..e7cc5370cd2f 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -111,8 +111,7 @@ static void make_8259A_irq(unsigned int irq) { disable_irq_nosync(irq); io_apic_irqs &= ~(1<chip; - const char *name = chip->name; int i; #if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC) @@ -79,7 +78,7 @@ void __init init_ISA_irqs(void) legacy_pic->init(0); for (i = 0; i < nr_legacy_irqs(); i++) - irq_set_chip_and_handler_name(i, chip, handle_level_irq, name); + irq_set_chip_and_handler(i, chip, handle_level_irq); } void __init init_IRQ(void) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 235cfd39e0d7..ab08aa2276fb 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1128,7 +1128,6 @@ void __init setup_arch(char **cmdline_p) setup_real_mode(); memblock_set_current_limit(get_max_mapped()); - dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT); /* * NOTE: On x86-32, only from this point on, fixmaps are ready for use. @@ -1159,6 +1158,7 @@ void __init setup_arch(char **cmdline_p) early_acpi_boot_init(); initmem_init(); + dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT); /* * Reserve memory for crash kernel after SRAT is parsed so that it diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 2d5200e56357..668d8f2a8781 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -102,8 +102,6 @@ DEFINE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map); DEFINE_PER_CPU_SHARED_ALIGNED(struct cpuinfo_x86, cpu_info); EXPORT_PER_CPU_SYMBOL(cpu_info); -static DEFINE_PER_CPU(struct completion, die_complete); - atomic_t init_deasserted; /* @@ -1305,10 +1303,14 @@ static void __ref remove_cpu_from_maps(int cpu) numa_remove_cpu(cpu); } +static DEFINE_PER_CPU(struct completion, die_complete); + void cpu_disable_common(void) { int cpu = smp_processor_id(); + init_completion(&per_cpu(die_complete, smp_processor_id())); + remove_siblinginfo(cpu); /* It's now safe to remove this processor from the online map */ @@ -1327,16 +1329,21 @@ int native_cpu_disable(void) return ret; clear_local_APIC(); - init_completion(&per_cpu(die_complete, smp_processor_id())); cpu_disable_common(); return 0; } +void cpu_die_common(unsigned int cpu) +{ + wait_for_completion_timeout(&per_cpu(die_complete, cpu), HZ); +} + void native_cpu_die(unsigned int cpu) { /* We don't do anything here: idle task is faking death itself. */ - wait_for_completion_timeout(&per_cpu(die_complete, cpu), HZ); + + cpu_die_common(cpu); /* They ack this in play_dead() by setting CPU_DEAD */ if (per_cpu(cpu_state, cpu) == CPU_DEAD) { diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index b6025f9e36c6..b7e50bba3bbb 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -1166,14 +1166,17 @@ void __init tsc_init(void) x86_init.timers.tsc_pre_init(); - if (!cpu_has_tsc) + if (!cpu_has_tsc) { + setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER); return; + } tsc_khz = x86_platform.calibrate_tsc(); cpu_khz = tsc_khz; if (!tsc_khz) { mark_tsc_unstable("could not calculate TSC khz"); + setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER); return; } diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index a46207a05835..9f8a2faf5040 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -504,11 +504,6 @@ static void rsp_increment(struct x86_emulate_ctxt *ctxt, int inc) masked_increment(reg_rmw(ctxt, VCPU_REGS_RSP), stack_mask(ctxt), inc); } -static inline void jmp_rel(struct x86_emulate_ctxt *ctxt, int rel) -{ - register_address_increment(ctxt, &ctxt->_eip, rel); -} - static u32 desc_limit_scaled(struct desc_struct *desc) { u32 limit = get_desc_limit(desc); @@ -569,6 +564,40 @@ static int emulate_nm(struct x86_emulate_ctxt *ctxt) return emulate_exception(ctxt, NM_VECTOR, 0, false); } +static inline int assign_eip_far(struct x86_emulate_ctxt *ctxt, ulong dst, + int cs_l) +{ + switch (ctxt->op_bytes) { + case 2: + ctxt->_eip = (u16)dst; + break; + case 4: + ctxt->_eip = (u32)dst; + break; +#ifdef CONFIG_X86_64 + case 8: + if ((cs_l && is_noncanonical_address(dst)) || + (!cs_l && (dst >> 32) != 0)) + return emulate_gp(ctxt, 0); + ctxt->_eip = dst; + break; +#endif + default: + WARN(1, "unsupported eip assignment size\n"); + } + return X86EMUL_CONTINUE; +} + +static inline int assign_eip_near(struct x86_emulate_ctxt *ctxt, ulong dst) +{ + return assign_eip_far(ctxt, dst, ctxt->mode == X86EMUL_MODE_PROT64); +} + +static inline int jmp_rel(struct x86_emulate_ctxt *ctxt, int rel) +{ + return assign_eip_near(ctxt, ctxt->_eip + rel); +} + static u16 get_segment_selector(struct x86_emulate_ctxt *ctxt, unsigned seg) { u16 selector; @@ -614,7 +643,8 @@ static bool insn_aligned(struct x86_emulate_ctxt *ctxt, unsigned size) static int __linearize(struct x86_emulate_ctxt *ctxt, struct segmented_address addr, - unsigned size, bool write, bool fetch, + unsigned *max_size, unsigned size, + bool write, bool fetch, ulong *linear) { struct desc_struct desc; @@ -625,10 +655,15 @@ static int __linearize(struct x86_emulate_ctxt *ctxt, unsigned cpl; la = seg_base(ctxt, addr.seg) + addr.ea; + *max_size = 0; switch (ctxt->mode) { case X86EMUL_MODE_PROT64: if (((signed long)la << 16) >> 16 != la) return emulate_gp(ctxt, 0); + + *max_size = min_t(u64, ~0u, (1ull << 48) - la); + if (size > *max_size) + goto bad; break; default: usable = ctxt->ops->get_segment(ctxt, &sel, &desc, NULL, @@ -646,20 +681,25 @@ static int __linearize(struct x86_emulate_ctxt *ctxt, if ((ctxt->mode == X86EMUL_MODE_REAL) && !fetch && (ctxt->d & NoBigReal)) { /* la is between zero and 0xffff */ - if (la > 0xffff || (u32)(la + size - 1) > 0xffff) + if (la > 0xffff) goto bad; + *max_size = 0x10000 - la; } else if ((desc.type & 8) || !(desc.type & 4)) { /* expand-up segment */ - if (addr.ea > lim || (u32)(addr.ea + size - 1) > lim) + if (addr.ea > lim) goto bad; + *max_size = min_t(u64, ~0u, (u64)lim + 1 - addr.ea); } else { /* expand-down segment */ - if (addr.ea <= lim || (u32)(addr.ea + size - 1) <= lim) + if (addr.ea <= lim) goto bad; lim = desc.d ? 0xffffffff : 0xffff; - if (addr.ea > lim || (u32)(addr.ea + size - 1) > lim) + if (addr.ea > lim) goto bad; + *max_size = min_t(u64, ~0u, (u64)lim + 1 - addr.ea); } + if (size > *max_size) + goto bad; cpl = ctxt->ops->cpl(ctxt); if (!(desc.type & 8)) { /* data segment */ @@ -684,9 +724,9 @@ static int __linearize(struct x86_emulate_ctxt *ctxt, return X86EMUL_CONTINUE; bad: if (addr.seg == VCPU_SREG_SS) - return emulate_ss(ctxt, sel); + return emulate_ss(ctxt, 0); else - return emulate_gp(ctxt, sel); + return emulate_gp(ctxt, 0); } static int linearize(struct x86_emulate_ctxt *ctxt, @@ -694,7 +734,8 @@ static int linearize(struct x86_emulate_ctxt *ctxt, unsigned size, bool write, ulong *linear) { - return __linearize(ctxt, addr, size, write, false, linear); + unsigned max_size; + return __linearize(ctxt, addr, &max_size, size, write, false, linear); } @@ -719,17 +760,27 @@ static int segmented_read_std(struct x86_emulate_ctxt *ctxt, static int __do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, int op_size) { int rc; - unsigned size; + unsigned size, max_size; unsigned long linear; int cur_size = ctxt->fetch.end - ctxt->fetch.data; struct segmented_address addr = { .seg = VCPU_SREG_CS, .ea = ctxt->eip + cur_size }; - size = 15UL ^ cur_size; - rc = __linearize(ctxt, addr, size, false, true, &linear); + /* + * We do not know exactly how many bytes will be needed, and + * __linearize is expensive, so fetch as much as possible. We + * just have to avoid going beyond the 15 byte limit, the end + * of the segment, or the end of the page. + * + * __linearize is called with size 0 so that it does not do any + * boundary check itself. Instead, we use max_size to check + * against op_size. + */ + rc = __linearize(ctxt, addr, &max_size, 0, false, true, &linear); if (unlikely(rc != X86EMUL_CONTINUE)) return rc; + size = min_t(unsigned, 15UL ^ cur_size, max_size); size = min_t(unsigned, size, PAGE_SIZE - offset_in_page(linear)); /* @@ -739,7 +790,8 @@ static int __do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, int op_size) * still, we must have hit the 15-byte boundary. */ if (unlikely(size < op_size)) - return X86EMUL_UNHANDLEABLE; + return emulate_gp(ctxt, 0); + rc = ctxt->ops->fetch(ctxt, linear, ctxt->fetch.end, size, &ctxt->exception); if (unlikely(rc != X86EMUL_CONTINUE)) @@ -751,8 +803,10 @@ static int __do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, int op_size) static __always_inline int do_insn_fetch_bytes(struct x86_emulate_ctxt *ctxt, unsigned size) { - if (unlikely(ctxt->fetch.end - ctxt->fetch.ptr < size)) - return __do_insn_fetch_bytes(ctxt, size); + unsigned done_size = ctxt->fetch.end - ctxt->fetch.ptr; + + if (unlikely(done_size < size)) + return __do_insn_fetch_bytes(ctxt, size - done_size); else return X86EMUL_CONTINUE; } @@ -1416,7 +1470,9 @@ static int write_segment_descriptor(struct x86_emulate_ctxt *ctxt, /* Does not support long mode */ static int __load_segment_descriptor(struct x86_emulate_ctxt *ctxt, - u16 selector, int seg, u8 cpl, bool in_task_switch) + u16 selector, int seg, u8 cpl, + bool in_task_switch, + struct desc_struct *desc) { struct desc_struct seg_desc, old_desc; u8 dpl, rpl; @@ -1557,6 +1613,8 @@ static int __load_segment_descriptor(struct x86_emulate_ctxt *ctxt, } load: ctxt->ops->set_segment(ctxt, selector, &seg_desc, base3, seg); + if (desc) + *desc = seg_desc; return X86EMUL_CONTINUE; exception: return emulate_exception(ctxt, err_vec, err_code, true); @@ -1566,7 +1624,7 @@ static int load_segment_descriptor(struct x86_emulate_ctxt *ctxt, u16 selector, int seg) { u8 cpl = ctxt->ops->cpl(ctxt); - return __load_segment_descriptor(ctxt, selector, seg, cpl, false); + return __load_segment_descriptor(ctxt, selector, seg, cpl, false, NULL); } static void write_register_operand(struct operand *op) @@ -1960,17 +2018,31 @@ static int em_iret(struct x86_emulate_ctxt *ctxt) static int em_jmp_far(struct x86_emulate_ctxt *ctxt) { int rc; - unsigned short sel; + unsigned short sel, old_sel; + struct desc_struct old_desc, new_desc; + const struct x86_emulate_ops *ops = ctxt->ops; + u8 cpl = ctxt->ops->cpl(ctxt); + + /* Assignment of RIP may only fail in 64-bit mode */ + if (ctxt->mode == X86EMUL_MODE_PROT64) + ops->get_segment(ctxt, &old_sel, &old_desc, NULL, + VCPU_SREG_CS); memcpy(&sel, ctxt->src.valptr + ctxt->op_bytes, 2); - rc = load_segment_descriptor(ctxt, sel, VCPU_SREG_CS); + rc = __load_segment_descriptor(ctxt, sel, VCPU_SREG_CS, cpl, false, + &new_desc); if (rc != X86EMUL_CONTINUE) return rc; - ctxt->_eip = 0; - memcpy(&ctxt->_eip, ctxt->src.valptr, ctxt->op_bytes); - return X86EMUL_CONTINUE; + rc = assign_eip_far(ctxt, ctxt->src.val, new_desc.l); + if (rc != X86EMUL_CONTINUE) { + WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64); + /* assigning eip failed; restore the old cs */ + ops->set_segment(ctxt, old_sel, &old_desc, 0, VCPU_SREG_CS); + return rc; + } + return rc; } static int em_grp45(struct x86_emulate_ctxt *ctxt) @@ -1981,13 +2053,15 @@ static int em_grp45(struct x86_emulate_ctxt *ctxt) case 2: /* call near abs */ { long int old_eip; old_eip = ctxt->_eip; - ctxt->_eip = ctxt->src.val; + rc = assign_eip_near(ctxt, ctxt->src.val); + if (rc != X86EMUL_CONTINUE) + break; ctxt->src.val = old_eip; rc = em_push(ctxt); break; } case 4: /* jmp abs */ - ctxt->_eip = ctxt->src.val; + rc = assign_eip_near(ctxt, ctxt->src.val); break; case 5: /* jmp far */ rc = em_jmp_far(ctxt); @@ -2022,30 +2096,47 @@ static int em_cmpxchg8b(struct x86_emulate_ctxt *ctxt) static int em_ret(struct x86_emulate_ctxt *ctxt) { - ctxt->dst.type = OP_REG; - ctxt->dst.addr.reg = &ctxt->_eip; - ctxt->dst.bytes = ctxt->op_bytes; - return em_pop(ctxt); + int rc; + unsigned long eip; + + rc = emulate_pop(ctxt, &eip, ctxt->op_bytes); + if (rc != X86EMUL_CONTINUE) + return rc; + + return assign_eip_near(ctxt, eip); } static int em_ret_far(struct x86_emulate_ctxt *ctxt) { int rc; - unsigned long cs; + unsigned long eip, cs; + u16 old_cs; int cpl = ctxt->ops->cpl(ctxt); + struct desc_struct old_desc, new_desc; + const struct x86_emulate_ops *ops = ctxt->ops; - rc = emulate_pop(ctxt, &ctxt->_eip, ctxt->op_bytes); + if (ctxt->mode == X86EMUL_MODE_PROT64) + ops->get_segment(ctxt, &old_cs, &old_desc, NULL, + VCPU_SREG_CS); + + rc = emulate_pop(ctxt, &eip, ctxt->op_bytes); if (rc != X86EMUL_CONTINUE) return rc; - if (ctxt->op_bytes == 4) - ctxt->_eip = (u32)ctxt->_eip; rc = emulate_pop(ctxt, &cs, ctxt->op_bytes); if (rc != X86EMUL_CONTINUE) return rc; /* Outer-privilege level return is not implemented */ if (ctxt->mode >= X86EMUL_MODE_PROT16 && (cs & 3) > cpl) return X86EMUL_UNHANDLEABLE; - rc = load_segment_descriptor(ctxt, (u16)cs, VCPU_SREG_CS); + rc = __load_segment_descriptor(ctxt, (u16)cs, VCPU_SREG_CS, 0, false, + &new_desc); + if (rc != X86EMUL_CONTINUE) + return rc; + rc = assign_eip_far(ctxt, eip, new_desc.l); + if (rc != X86EMUL_CONTINUE) { + WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64); + ops->set_segment(ctxt, old_cs, &old_desc, 0, VCPU_SREG_CS); + } return rc; } @@ -2306,7 +2397,7 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt) { const struct x86_emulate_ops *ops = ctxt->ops; struct desc_struct cs, ss; - u64 msr_data; + u64 msr_data, rcx, rdx; int usermode; u16 cs_sel = 0, ss_sel = 0; @@ -2322,6 +2413,9 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt) else usermode = X86EMUL_MODE_PROT32; + rcx = reg_read(ctxt, VCPU_REGS_RCX); + rdx = reg_read(ctxt, VCPU_REGS_RDX); + cs.dpl = 3; ss.dpl = 3; ops->get_msr(ctxt, MSR_IA32_SYSENTER_CS, &msr_data); @@ -2339,6 +2433,9 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt) ss_sel = cs_sel + 8; cs.d = 0; cs.l = 1; + if (is_noncanonical_address(rcx) || + is_noncanonical_address(rdx)) + return emulate_gp(ctxt, 0); break; } cs_sel |= SELECTOR_RPL_MASK; @@ -2347,8 +2444,8 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt) ops->set_segment(ctxt, cs_sel, &cs, 0, VCPU_SREG_CS); ops->set_segment(ctxt, ss_sel, &ss, 0, VCPU_SREG_SS); - ctxt->_eip = reg_read(ctxt, VCPU_REGS_RDX); - *reg_write(ctxt, VCPU_REGS_RSP) = reg_read(ctxt, VCPU_REGS_RCX); + ctxt->_eip = rdx; + *reg_write(ctxt, VCPU_REGS_RSP) = rcx; return X86EMUL_CONTINUE; } @@ -2466,19 +2563,24 @@ static int load_state_from_tss16(struct x86_emulate_ctxt *ctxt, * Now load segment descriptors. If fault happens at this stage * it is handled in a context of new task */ - ret = __load_segment_descriptor(ctxt, tss->ldt, VCPU_SREG_LDTR, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->ldt, VCPU_SREG_LDTR, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->es, VCPU_SREG_ES, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->es, VCPU_SREG_ES, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->cs, VCPU_SREG_CS, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->cs, VCPU_SREG_CS, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->ss, VCPU_SREG_SS, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->ss, VCPU_SREG_SS, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->ds, VCPU_SREG_DS, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->ds, VCPU_SREG_DS, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; @@ -2603,25 +2705,32 @@ static int load_state_from_tss32(struct x86_emulate_ctxt *ctxt, * Now load segment descriptors. If fault happenes at this stage * it is handled in a context of new task */ - ret = __load_segment_descriptor(ctxt, tss->ldt_selector, VCPU_SREG_LDTR, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->ldt_selector, VCPU_SREG_LDTR, + cpl, true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->es, VCPU_SREG_ES, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->es, VCPU_SREG_ES, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->cs, VCPU_SREG_CS, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->cs, VCPU_SREG_CS, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->ss, VCPU_SREG_SS, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->ss, VCPU_SREG_SS, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->ds, VCPU_SREG_DS, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->ds, VCPU_SREG_DS, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->fs, VCPU_SREG_FS, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->fs, VCPU_SREG_FS, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; - ret = __load_segment_descriptor(ctxt, tss->gs, VCPU_SREG_GS, cpl, true); + ret = __load_segment_descriptor(ctxt, tss->gs, VCPU_SREG_GS, cpl, + true, NULL); if (ret != X86EMUL_CONTINUE) return ret; @@ -2888,10 +2997,13 @@ static int em_aad(struct x86_emulate_ctxt *ctxt) static int em_call(struct x86_emulate_ctxt *ctxt) { + int rc; long rel = ctxt->src.val; ctxt->src.val = (unsigned long)ctxt->_eip; - jmp_rel(ctxt, rel); + rc = jmp_rel(ctxt, rel); + if (rc != X86EMUL_CONTINUE) + return rc; return em_push(ctxt); } @@ -2900,34 +3012,50 @@ static int em_call_far(struct x86_emulate_ctxt *ctxt) u16 sel, old_cs; ulong old_eip; int rc; + struct desc_struct old_desc, new_desc; + const struct x86_emulate_ops *ops = ctxt->ops; + int cpl = ctxt->ops->cpl(ctxt); - old_cs = get_segment_selector(ctxt, VCPU_SREG_CS); old_eip = ctxt->_eip; + ops->get_segment(ctxt, &old_cs, &old_desc, NULL, VCPU_SREG_CS); memcpy(&sel, ctxt->src.valptr + ctxt->op_bytes, 2); - if (load_segment_descriptor(ctxt, sel, VCPU_SREG_CS)) + rc = __load_segment_descriptor(ctxt, sel, VCPU_SREG_CS, cpl, false, + &new_desc); + if (rc != X86EMUL_CONTINUE) return X86EMUL_CONTINUE; - ctxt->_eip = 0; - memcpy(&ctxt->_eip, ctxt->src.valptr, ctxt->op_bytes); + rc = assign_eip_far(ctxt, ctxt->src.val, new_desc.l); + if (rc != X86EMUL_CONTINUE) + goto fail; ctxt->src.val = old_cs; rc = em_push(ctxt); if (rc != X86EMUL_CONTINUE) - return rc; + goto fail; ctxt->src.val = old_eip; - return em_push(ctxt); + rc = em_push(ctxt); + /* If we failed, we tainted the memory, but the very least we should + restore cs */ + if (rc != X86EMUL_CONTINUE) + goto fail; + return rc; +fail: + ops->set_segment(ctxt, old_cs, &old_desc, 0, VCPU_SREG_CS); + return rc; + } static int em_ret_near_imm(struct x86_emulate_ctxt *ctxt) { int rc; + unsigned long eip; - ctxt->dst.type = OP_REG; - ctxt->dst.addr.reg = &ctxt->_eip; - ctxt->dst.bytes = ctxt->op_bytes; - rc = emulate_pop(ctxt, &ctxt->dst.val, ctxt->op_bytes); + rc = emulate_pop(ctxt, &eip, ctxt->op_bytes); + if (rc != X86EMUL_CONTINUE) + return rc; + rc = assign_eip_near(ctxt, eip); if (rc != X86EMUL_CONTINUE) return rc; rsp_increment(ctxt, ctxt->src.val); @@ -3254,20 +3382,24 @@ static int em_lmsw(struct x86_emulate_ctxt *ctxt) static int em_loop(struct x86_emulate_ctxt *ctxt) { + int rc = X86EMUL_CONTINUE; + register_address_increment(ctxt, reg_rmw(ctxt, VCPU_REGS_RCX), -1); if ((address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) != 0) && (ctxt->b == 0xe2 || test_cc(ctxt->b ^ 0x5, ctxt->eflags))) - jmp_rel(ctxt, ctxt->src.val); + rc = jmp_rel(ctxt, ctxt->src.val); - return X86EMUL_CONTINUE; + return rc; } static int em_jcxz(struct x86_emulate_ctxt *ctxt) { - if (address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) == 0) - jmp_rel(ctxt, ctxt->src.val); + int rc = X86EMUL_CONTINUE; - return X86EMUL_CONTINUE; + if (address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) == 0) + rc = jmp_rel(ctxt, ctxt->src.val); + + return rc; } static int em_in(struct x86_emulate_ctxt *ctxt) @@ -3355,6 +3487,12 @@ static int em_bswap(struct x86_emulate_ctxt *ctxt) return X86EMUL_CONTINUE; } +static int em_clflush(struct x86_emulate_ctxt *ctxt) +{ + /* emulating clflush regardless of cpuid */ + return X86EMUL_CONTINUE; +} + static bool valid_cr(int nr) { switch (nr) { @@ -3693,6 +3831,16 @@ static const struct opcode group11[] = { X7(D(Undefined)), }; +static const struct gprefix pfx_0f_ae_7 = { + I(SrcMem | ByteOp, em_clflush), N, N, N, +}; + +static const struct group_dual group15 = { { + N, N, N, N, N, N, N, GP(0, &pfx_0f_ae_7), +}, { + N, N, N, N, N, N, N, N, +} }; + static const struct gprefix pfx_0f_6f_0f_7f = { I(Mmx, em_mov), I(Sse | Aligned, em_mov), N, I(Sse | Unaligned, em_mov), }; @@ -3901,10 +4049,11 @@ static const struct opcode twobyte_table[256] = { N, I(ImplicitOps | EmulateOnUD, em_syscall), II(ImplicitOps | Priv, em_clts, clts), N, DI(ImplicitOps | Priv, invd), DI(ImplicitOps | Priv, wbinvd), N, N, - N, D(ImplicitOps | ModRM), N, N, + N, D(ImplicitOps | ModRM | SrcMem | NoAccess), N, N, /* 0x10 - 0x1F */ N, N, N, N, N, N, N, N, - D(ImplicitOps | ModRM), N, N, N, N, N, N, D(ImplicitOps | ModRM), + D(ImplicitOps | ModRM | SrcMem | NoAccess), + N, N, N, N, N, N, D(ImplicitOps | ModRM | SrcMem | NoAccess), /* 0x20 - 0x2F */ DIP(ModRM | DstMem | Priv | Op3264 | NoMod, cr_read, check_cr_read), DIP(ModRM | DstMem | Priv | Op3264 | NoMod, dr_read, check_dr_read), @@ -3956,7 +4105,7 @@ static const struct opcode twobyte_table[256] = { F(DstMem | SrcReg | ModRM | BitOp | Lock | PageTable, em_bts), F(DstMem | SrcReg | Src2ImmByte | ModRM, em_shrd), F(DstMem | SrcReg | Src2CL | ModRM, em_shrd), - D(ModRM), F(DstReg | SrcMem | ModRM, em_imul), + GD(0, &group15), F(DstReg | SrcMem | ModRM, em_imul), /* 0xB0 - 0xB7 */ I2bv(DstMem | SrcReg | ModRM | Lock | PageTable, em_cmpxchg), I(DstReg | SrcMemFAddr | ModRM | Src2SS, em_lseg), @@ -4138,6 +4287,7 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op, fetch_register_operand(op); break; case OpCL: + op->type = OP_IMM; op->bytes = 1; op->val = reg_read(ctxt, VCPU_REGS_RCX) & 0xff; break; @@ -4145,6 +4295,7 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op, rc = decode_imm(ctxt, op, 1, true); break; case OpOne: + op->type = OP_IMM; op->bytes = 1; op->val = 1; break; @@ -4203,21 +4354,27 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op, ctxt->memop.bytes = ctxt->op_bytes + 2; goto mem_common; case OpES: + op->type = OP_IMM; op->val = VCPU_SREG_ES; break; case OpCS: + op->type = OP_IMM; op->val = VCPU_SREG_CS; break; case OpSS: + op->type = OP_IMM; op->val = VCPU_SREG_SS; break; case OpDS: + op->type = OP_IMM; op->val = VCPU_SREG_DS; break; case OpFS: + op->type = OP_IMM; op->val = VCPU_SREG_FS; break; case OpGS: + op->type = OP_IMM; op->val = VCPU_SREG_GS; break; case OpImplicit: @@ -4473,10 +4630,10 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len) /* Decode and fetch the destination operand: register or memory. */ rc = decode_operand(ctxt, &ctxt->dst, (ctxt->d >> DstShift) & OpMask); -done: if (ctxt->rip_relative) ctxt->memopp->addr.mem.ea += ctxt->_eip; +done: return (rc != X86EMUL_CONTINUE) ? EMULATION_FAILED : EMULATION_OK; } @@ -4726,7 +4883,7 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt) break; case 0x70 ... 0x7f: /* jcc (short) */ if (test_cc(ctxt->b, ctxt->eflags)) - jmp_rel(ctxt, ctxt->src.val); + rc = jmp_rel(ctxt, ctxt->src.val); break; case 0x8d: /* lea r16/r32, m */ ctxt->dst.val = ctxt->src.addr.mem.ea; @@ -4756,7 +4913,7 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt) break; case 0xe9: /* jmp rel */ case 0xeb: /* jmp rel short */ - jmp_rel(ctxt, ctxt->src.val); + rc = jmp_rel(ctxt, ctxt->src.val); ctxt->dst.type = OP_NONE; /* Disable writeback. */ break; case 0xf4: /* hlt */ @@ -4881,13 +5038,11 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt) break; case 0x80 ... 0x8f: /* jnz rel, etc*/ if (test_cc(ctxt->b, ctxt->eflags)) - jmp_rel(ctxt, ctxt->src.val); + rc = jmp_rel(ctxt, ctxt->src.val); break; case 0x90 ... 0x9f: /* setcc r/m8 */ ctxt->dst.val = test_cc(ctxt->b, ctxt->eflags); break; - case 0xae: /* clflush */ - break; case 0xb6 ... 0xb7: /* movzx */ ctxt->dst.bytes = ctxt->op_bytes; ctxt->dst.val = (ctxt->src.bytes == 1) ? (u8) ctxt->src.val diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 518d86471b76..298781d4cfb4 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -262,8 +262,10 @@ void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu) return; timer = &pit->pit_state.timer; + mutex_lock(&pit->pit_state.lock); if (hrtimer_cancel(timer)) hrtimer_start_expires(timer, HRTIMER_MODE_ABS); + mutex_unlock(&pit->pit_state.lock); } static void destroy_pit_timer(struct kvm_pit *pit) diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 806d58e3c320..fd49c867b25a 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -298,7 +298,7 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker, } #endif walker->max_level = walker->level; - ASSERT(!is_long_mode(vcpu) && is_pae(vcpu)); + ASSERT(!(is_long_mode(vcpu) && !is_pae(vcpu))); accessed_dirty = PT_GUEST_ACCESSED_MASK; pt_access = pte_access = ACC_ALL; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 65510f624dfe..7527cefc5a43 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3251,7 +3251,7 @@ static int wrmsr_interception(struct vcpu_svm *svm) msr.host_initiated = false; svm->next_rip = kvm_rip_read(&svm->vcpu) + 2; - if (svm_set_msr(&svm->vcpu, &msr)) { + if (kvm_set_msr(&svm->vcpu, &msr)) { trace_kvm_msr_write_ex(ecx, data); kvm_inject_gp(&svm->vcpu, 0); } else { @@ -3551,9 +3551,9 @@ static int handle_exit(struct kvm_vcpu *vcpu) if (exit_code >= ARRAY_SIZE(svm_exit_handlers) || !svm_exit_handlers[exit_code]) { - kvm_run->exit_reason = KVM_EXIT_UNKNOWN; - kvm_run->hw.hardware_exit_reason = exit_code; - return 0; + WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_code); + kvm_queue_exception(vcpu, UD_VECTOR); + return 1; } return svm_exit_handlers[exit_code](svm); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 0acac81f198b..3e556c68351b 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2659,12 +2659,15 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) default: msr = find_msr_entry(vmx, msr_index); if (msr) { + u64 old_msr_data = msr->data; msr->data = data; if (msr - vmx->guest_msrs < vmx->save_nmsrs) { preempt_disable(); - kvm_set_shared_msr(msr->index, msr->data, - msr->mask); + ret = kvm_set_shared_msr(msr->index, msr->data, + msr->mask); preempt_enable(); + if (ret) + msr->data = old_msr_data; } break; } @@ -4576,7 +4579,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu) vmcs_write32(TPR_THRESHOLD, 0); } - kvm_vcpu_reload_apic_access_page(vcpu); + kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu); if (vmx_vm_has_apicv(vcpu->kvm)) memset(&vmx->pi_desc, 0, sizeof(struct pi_desc)); @@ -5291,7 +5294,7 @@ static int handle_wrmsr(struct kvm_vcpu *vcpu) msr.data = data; msr.index = ecx; msr.host_initiated = false; - if (vmx_set_msr(vcpu, &msr) != 0) { + if (kvm_set_msr(vcpu, &msr) != 0) { trace_kvm_msr_write_ex(ecx, data); kvm_inject_gp(vcpu, 0); return 1; @@ -6423,6 +6426,8 @@ static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx) const unsigned long *fields = shadow_read_write_fields; const int num_fields = max_shadow_read_write_fields; + preempt_disable(); + vmcs_load(shadow_vmcs); for (i = 0; i < num_fields; i++) { @@ -6446,6 +6451,8 @@ static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx) vmcs_clear(shadow_vmcs); vmcs_load(vmx->loaded_vmcs->vmcs); + + preempt_enable(); } static void copy_vmcs12_to_shadow(struct vcpu_vmx *vmx) @@ -6743,6 +6750,12 @@ static int handle_invept(struct kvm_vcpu *vcpu) return 1; } +static int handle_invvpid(struct kvm_vcpu *vcpu) +{ + kvm_queue_exception(vcpu, UD_VECTOR); + return 1; +} + /* * The exit handlers return 1 if the exit was handled fully and guest execution * may resume. Otherwise they set the kvm_run parameter to indicate what needs @@ -6788,6 +6801,7 @@ static int (*const kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = { [EXIT_REASON_MWAIT_INSTRUCTION] = handle_mwait, [EXIT_REASON_MONITOR_INSTRUCTION] = handle_monitor, [EXIT_REASON_INVEPT] = handle_invept, + [EXIT_REASON_INVVPID] = handle_invvpid, }; static const int kvm_vmx_max_exit_handlers = @@ -7023,7 +7037,7 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu) case EXIT_REASON_VMPTRST: case EXIT_REASON_VMREAD: case EXIT_REASON_VMRESUME: case EXIT_REASON_VMWRITE: case EXIT_REASON_VMOFF: case EXIT_REASON_VMON: - case EXIT_REASON_INVEPT: + case EXIT_REASON_INVEPT: case EXIT_REASON_INVVPID: /* * VMX instructions trap unconditionally. This allows L1 to * emulate them for its L2 guest, i.e., allows 3-level nesting! @@ -7164,10 +7178,10 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) && kvm_vmx_exit_handlers[exit_reason]) return kvm_vmx_exit_handlers[exit_reason](vcpu); else { - vcpu->run->exit_reason = KVM_EXIT_UNKNOWN; - vcpu->run->hw.hardware_exit_reason = exit_reason; + WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_reason); + kvm_queue_exception(vcpu, UD_VECTOR); + return 1; } - return 0; } static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 34c8f94331f8..0033df32a745 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -229,20 +229,25 @@ static void kvm_shared_msr_cpu_online(void) shared_msr_update(i, shared_msrs_global.msrs[i]); } -void kvm_set_shared_msr(unsigned slot, u64 value, u64 mask) +int kvm_set_shared_msr(unsigned slot, u64 value, u64 mask) { unsigned int cpu = smp_processor_id(); struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu); + int err; if (((value ^ smsr->values[slot].curr) & mask) == 0) - return; + return 0; smsr->values[slot].curr = value; - wrmsrl(shared_msrs_global.msrs[slot], value); + err = wrmsrl_safe(shared_msrs_global.msrs[slot], value); + if (err) + return 1; + if (!smsr->registered) { smsr->urn.on_user_return = kvm_on_user_return; user_return_notifier_register(&smsr->urn); smsr->registered = true; } + return 0; } EXPORT_SYMBOL_GPL(kvm_set_shared_msr); @@ -987,7 +992,6 @@ void kvm_enable_efer_bits(u64 mask) } EXPORT_SYMBOL_GPL(kvm_enable_efer_bits); - /* * Writes msr value into into the appropriate "register". * Returns 0 on success, non-0 otherwise. @@ -995,8 +999,34 @@ EXPORT_SYMBOL_GPL(kvm_enable_efer_bits); */ int kvm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) { + switch (msr->index) { + case MSR_FS_BASE: + case MSR_GS_BASE: + case MSR_KERNEL_GS_BASE: + case MSR_CSTAR: + case MSR_LSTAR: + if (is_noncanonical_address(msr->data)) + return 1; + break; + case MSR_IA32_SYSENTER_EIP: + case MSR_IA32_SYSENTER_ESP: + /* + * IA32_SYSENTER_ESP and IA32_SYSENTER_EIP cause #GP if + * non-canonical address is written on Intel but not on + * AMD (which ignores the top 32-bits, because it does + * not implement 64-bit SYSENTER). + * + * 64-bit code should hence be able to write a non-canonical + * value on AMD. Making the address canonical ensures that + * vmentry does not fail on Intel after writing a non-canonical + * value, and that something deterministic happens if the guest + * invokes 64-bit SYSENTER. + */ + msr->data = get_canonical(msr->data); + } return kvm_x86_ops->set_msr(vcpu, msr); } +EXPORT_SYMBOL_GPL(kvm_set_msr); /* * Adapt set_msr() to msr_io()'s calling convention diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c index 7609e0e421ec..1318f75d56e4 100644 --- a/arch/x86/lib/csum-wrappers_64.c +++ b/arch/x86/lib/csum-wrappers_64.c @@ -41,9 +41,8 @@ csum_partial_copy_from_user(const void __user *src, void *dst, while (((unsigned long)src & 6) && len >= 2) { __u16 val16; - *errp = __get_user(val16, (const __u16 __user *)src); - if (*errp) - return isum; + if (__get_user(val16, (const __u16 __user *)src)) + goto out_err; *(__u16 *)dst = val16; isum = (__force __wsum)add32_with_carry( diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index ae242a7c11c7..36de293caf25 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -409,7 +409,7 @@ phys_addr_t slow_virt_to_phys(void *__virt_addr) psize = page_level_size(level); pmask = page_level_mask(level); offset = virt_addr & ~pmask; - phys_addr = pte_pfn(*pte) << PAGE_SHIFT; + phys_addr = (phys_addr_t)pte_pfn(*pte) << PAGE_SHIFT; return (phys_addr | offset); } EXPORT_SYMBOL_GPL(slow_virt_to_phys); diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c index f15103dff4b4..d143d216d52b 100644 --- a/arch/x86/platform/efi/efi-bgrt.c +++ b/arch/x86/platform/efi/efi-bgrt.c @@ -40,20 +40,40 @@ void __init efi_bgrt_init(void) if (ACPI_FAILURE(status)) return; - if (bgrt_tab->header.length < sizeof(*bgrt_tab)) + if (bgrt_tab->header.length < sizeof(*bgrt_tab)) { + pr_err("Ignoring BGRT: invalid length %u (expected %zu)\n", + bgrt_tab->header.length, sizeof(*bgrt_tab)); return; - if (bgrt_tab->version != 1 || bgrt_tab->status != 1) + } + if (bgrt_tab->version != 1) { + pr_err("Ignoring BGRT: invalid version %u (expected 1)\n", + bgrt_tab->version); return; - if (bgrt_tab->image_type != 0 || !bgrt_tab->image_address) + } + if (bgrt_tab->status != 1) { + pr_err("Ignoring BGRT: invalid status %u (expected 1)\n", + bgrt_tab->status); return; + } + if (bgrt_tab->image_type != 0) { + pr_err("Ignoring BGRT: invalid image type %u (expected 0)\n", + bgrt_tab->image_type); + return; + } + if (!bgrt_tab->image_address) { + pr_err("Ignoring BGRT: null image address\n"); + return; + } image = efi_lookup_mapped_addr(bgrt_tab->image_address); if (!image) { image = early_memremap(bgrt_tab->image_address, sizeof(bmp_header)); ioremapped = true; - if (!image) + if (!image) { + pr_err("Ignoring BGRT: failed to map image header memory\n"); return; + } } memcpy_fromio(&bmp_header, image, sizeof(bmp_header)); @@ -61,14 +81,18 @@ void __init efi_bgrt_init(void) early_iounmap(image, sizeof(bmp_header)); bgrt_image_size = bmp_header.size; - bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL); - if (!bgrt_image) + bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL | __GFP_NOWARN); + if (!bgrt_image) { + pr_err("Ignoring BGRT: failed to allocate memory for image (wanted %zu bytes)\n", + bgrt_image_size); return; + } if (ioremapped) { image = early_memremap(bgrt_tab->image_address, bmp_header.size); if (!image) { + pr_err("Ignoring BGRT: failed to map image memory\n"); kfree(bgrt_image); bgrt_image = NULL; return; diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 850da94fef30..dbc8627a5cdf 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -70,17 +70,7 @@ static efi_config_table_type_t arch_tables[] __initdata = { u64 efi_setup; /* efi setup_data physical address */ -static bool disable_runtime __initdata = false; -static int __init setup_noefi(char *arg) -{ - disable_runtime = true; - return 0; -} -early_param("noefi", setup_noefi); - -int add_efi_memmap; -EXPORT_SYMBOL(add_efi_memmap); - +static int add_efi_memmap __initdata; static int __init setup_add_efi_memmap(char *arg) { add_efi_memmap = 1; @@ -96,7 +86,7 @@ static efi_status_t __init phys_efi_set_virtual_address_map( { efi_status_t status; - efi_call_phys_prelog(); + efi_call_phys_prolog(); status = efi_call_phys(efi_phys.set_virtual_address_map, memory_map_size, descriptor_size, descriptor_version, virtual_map); @@ -210,9 +200,12 @@ static void __init print_efi_memmap(void) for (p = memmap.map, i = 0; p < memmap.map_end; p += memmap.desc_size, i++) { + char buf[64]; + md = p; - pr_info("mem%02u: type=%u, attr=0x%llx, range=[0x%016llx-0x%016llx) (%lluMB)\n", - i, md->type, md->attribute, md->phys_addr, + pr_info("mem%02u: %s range=[0x%016llx-0x%016llx) (%lluMB)\n", + i, efi_md_typeattr_format(buf, sizeof(buf), md), + md->phys_addr, md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT), (md->num_pages >> (20 - EFI_PAGE_SHIFT))); } @@ -344,9 +337,9 @@ static int __init efi_runtime_init32(void) } /* - * We will only need *early* access to the following two - * EFI runtime services before set_virtual_address_map - * is invoked. + * We will only need *early* access to the SetVirtualAddressMap + * EFI runtime service. All other runtime services will be called + * via the virtual mapping. */ efi_phys.set_virtual_address_map = (efi_set_virtual_address_map_t *) @@ -368,9 +361,9 @@ static int __init efi_runtime_init64(void) } /* - * We will only need *early* access to the following two - * EFI runtime services before set_virtual_address_map - * is invoked. + * We will only need *early* access to the SetVirtualAddressMap + * EFI runtime service. All other runtime services will be called + * via the virtual mapping. */ efi_phys.set_virtual_address_map = (efi_set_virtual_address_map_t *) @@ -492,7 +485,7 @@ void __init efi_init(void) if (!efi_runtime_supported()) pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n"); else { - if (disable_runtime || efi_runtime_init()) + if (efi_runtime_disabled() || efi_runtime_init()) return; } if (efi_memmap_init()) @@ -537,7 +530,7 @@ void __init runtime_code_page_mkexec(void) } } -void efi_memory_uc(u64 addr, unsigned long size) +void __init efi_memory_uc(u64 addr, unsigned long size) { unsigned long page_shift = 1UL << EFI_PAGE_SHIFT; u64 npages; @@ -732,6 +725,7 @@ static void __init kexec_enter_virtual_mode(void) */ if (!efi_is_native()) { efi_unmap_memmap(); + clear_bit(EFI_RUNTIME_SERVICES, &efi.flags); return; } @@ -805,6 +799,7 @@ static void __init __efi_enter_virtual_mode(void) new_memmap = efi_map_regions(&count, &pg_shift); if (!new_memmap) { pr_err("Error reallocating memory, EFI runtime non-functional!\n"); + clear_bit(EFI_RUNTIME_SERVICES, &efi.flags); return; } @@ -812,8 +807,10 @@ static void __init __efi_enter_virtual_mode(void) BUG_ON(!efi.systab); - if (efi_setup_page_tables(__pa(new_memmap), 1 << pg_shift)) + if (efi_setup_page_tables(__pa(new_memmap), 1 << pg_shift)) { + clear_bit(EFI_RUNTIME_SERVICES, &efi.flags); return; + } efi_sync_low_kernel_mappings(); efi_dump_pagetable(); @@ -938,14 +935,11 @@ u64 efi_mem_attributes(unsigned long phys_addr) return 0; } -static int __init parse_efi_cmdline(char *str) +static int __init arch_parse_efi_cmdline(char *str) { - if (*str == '=') - str++; - - if (!strncmp(str, "old_map", 7)) + if (parse_option_str(str, "old_map")) set_bit(EFI_OLD_MEMMAP, &efi.flags); return 0; } -early_param("efi", parse_efi_cmdline); +early_param("efi", arch_parse_efi_cmdline); diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c index 9ee3491e31fb..40e7cda52936 100644 --- a/arch/x86/platform/efi/efi_32.c +++ b/arch/x86/platform/efi/efi_32.c @@ -33,7 +33,7 @@ /* * To make EFI call EFI runtime service in physical addressing mode we need - * prelog/epilog before/after the invocation to disable interrupt, to + * prolog/epilog before/after the invocation to disable interrupt, to * claim EFI runtime service handler exclusively and to duplicate a memory in * low memory space say 0 - 3G. */ @@ -41,11 +41,13 @@ static unsigned long efi_rt_eflags; void efi_sync_low_kernel_mappings(void) {} void __init efi_dump_pagetable(void) {} -int efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) +int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) { return 0; } -void efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages) {} +void __init efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages) +{ +} void __init efi_map_region(efi_memory_desc_t *md) { @@ -55,7 +57,7 @@ void __init efi_map_region(efi_memory_desc_t *md) void __init efi_map_region_fixed(efi_memory_desc_t *md) {} void __init parse_efi_setup(u64 phys_addr, u32 data_len) {} -void efi_call_phys_prelog(void) +void __init efi_call_phys_prolog(void) { struct desc_ptr gdt_descr; @@ -69,7 +71,7 @@ void efi_call_phys_prelog(void) load_gdt(&gdt_descr); } -void efi_call_phys_epilog(void) +void __init efi_call_phys_epilog(void) { struct desc_ptr gdt_descr; diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 290d397e1dd9..35aecb6042fb 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -79,7 +79,7 @@ static void __init early_code_mapping_set_exec(int executable) } } -void __init efi_call_phys_prelog(void) +void __init efi_call_phys_prolog(void) { unsigned long vaddress; int pgd; @@ -139,7 +139,7 @@ void efi_sync_low_kernel_mappings(void) sizeof(pgd_t) * num_pgds); } -int efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) +int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) { unsigned long text; struct page *page; @@ -192,7 +192,7 @@ int efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) return 0; } -void efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages) +void __init efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages) { pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd); diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S index fbe66e626c09..040192b50d02 100644 --- a/arch/x86/platform/efi/efi_stub_32.S +++ b/arch/x86/platform/efi/efi_stub_32.S @@ -27,13 +27,13 @@ ENTRY(efi_call_phys) * set to 0x0010, DS and SS have been set to 0x0018. In EFI, I found * the values of these registers are the same. And, the corresponding * GDT entries are identical. So I will do nothing about segment reg - * and GDT, but change GDT base register in prelog and epilog. + * and GDT, but change GDT base register in prolog and epilog. */ /* * 1. Now I am running with EIP = + PAGE_OFFSET. * But to make it smoothly switch from virtual mode to flat mode. - * The mapping of lower virtual memory has been created in prelog and + * The mapping of lower virtual memory has been created in prolog and * epilog. */ movl $1f, %edx diff --git a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h index 46aa25c8ce06..3c1c3866d82b 100644 --- a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h +++ b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h @@ -10,10 +10,9 @@ */ -/* __attribute__((weak)) makes these declarations overridable */ /* For every CPU addition a new get__ops interface needs * to be added. */ -extern void *get_penwell_ops(void) __attribute__((weak)); -extern void *get_cloverview_ops(void) __attribute__((weak)); -extern void *get_tangier_ops(void) __attribute__((weak)); +extern void *get_penwell_ops(void); +extern void *get_cloverview_ops(void); +extern void *get_tangier_ops(void); diff --git a/arch/x86/platform/intel-mid/sfi.c b/arch/x86/platform/intel-mid/sfi.c index 3c53a90fdb18..c14ad34776c4 100644 --- a/arch/x86/platform/intel-mid/sfi.c +++ b/arch/x86/platform/intel-mid/sfi.c @@ -106,6 +106,7 @@ int __init sfi_parse_mtmr(struct sfi_table_header *table) mp_irq.dstapic = MP_APIC_ALL; mp_irq.dstirq = pentry->irq; mp_save_irq(&mp_irq); + mp_map_gsi_to_irq(pentry->irq, IOAPIC_MAP_ALLOC); } return 0; @@ -176,6 +177,7 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table) mp_irq.dstapic = MP_APIC_ALL; mp_irq.dstirq = pentry->irq; mp_save_irq(&mp_irq); + mp_map_gsi_to_irq(pentry->irq, IOAPIC_MAP_ALLOC); } return 0; } diff --git a/arch/x86/tools/calc_run_size.pl b/arch/x86/tools/calc_run_size.pl new file mode 100644 index 000000000000..0b0b124d3ece --- /dev/null +++ b/arch/x86/tools/calc_run_size.pl @@ -0,0 +1,30 @@ +#!/usr/bin/perl +# +# Calculate the amount of space needed to run the kernel, including room for +# the .bss and .brk sections. +# +# Usage: +# objdump -h a.out | perl calc_run_size.pl +use strict; + +my $mem_size = 0; +my $file_offset = 0; + +my $sections=" *[0-9]+ \.(?:bss|brk) +"; +while (<>) { + if (/^$sections([0-9a-f]+) +(?:[0-9a-f]+ +){2}([0-9a-f]+)/) { + my $size = hex($1); + my $offset = hex($2); + $mem_size += $size; + if ($file_offset == 0) { + $file_offset = $offset; + } elsif ($file_offset != $offset) { + die ".bss and .brk lack common file offset\n"; + } + } +} + +if ($file_offset == 0) { + die "Never found .bss or .brk file offset\n"; +} +printf("%d\n", $mem_size + $file_offset); diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 1a3f0445432a..fac5e4f9607c 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1636,9 +1636,6 @@ asmlinkage __visible void __init xen_start_kernel(void) xen_raw_console_write("mapping kernel into physical memory\n"); xen_setup_kernel_pagetable((pgd_t *)xen_start_info->pt_base, xen_start_info->nr_pages); - /* Allocate and initialize top and mid mfn levels for p2m structure */ - xen_build_mfn_list_list(); - /* keep using Xen gdt for now; no urgent need to change it */ #ifdef CONFIG_X86_32 diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index f62af7647ec9..a8a1a3d08d4d 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1217,10 +1217,13 @@ static void __init xen_pagetable_p2m_copy(void) static void __init xen_pagetable_init(void) { paging_init(); - xen_setup_shared_info(); #ifdef CONFIG_X86_64 xen_pagetable_p2m_copy(); #endif + /* Allocate and initialize top and mid mfn levels for p2m structure */ + xen_build_mfn_list_list(); + + xen_setup_shared_info(); xen_post_allocator_init(); } static void xen_write_cr2(unsigned long cr2) diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 9f5983b01ed9..b456b048eca9 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -163,6 +163,7 @@ #include #include #include +#include #include #include @@ -181,21 +182,20 @@ static void __init m2p_override_init(void); unsigned long xen_max_p2m_pfn __read_mostly; +static unsigned long *p2m_mid_missing_mfn; +static unsigned long *p2m_top_mfn; +static unsigned long **p2m_top_mfn_p; + /* Placeholders for holes in the address space */ static RESERVE_BRK_ARRAY(unsigned long, p2m_missing, P2M_PER_PAGE); static RESERVE_BRK_ARRAY(unsigned long *, p2m_mid_missing, P2M_MID_PER_PAGE); -static RESERVE_BRK_ARRAY(unsigned long, p2m_mid_missing_mfn, P2M_MID_PER_PAGE); static RESERVE_BRK_ARRAY(unsigned long **, p2m_top, P2M_TOP_PER_PAGE); -static RESERVE_BRK_ARRAY(unsigned long, p2m_top_mfn, P2M_TOP_PER_PAGE); -static RESERVE_BRK_ARRAY(unsigned long *, p2m_top_mfn_p, P2M_TOP_PER_PAGE); static RESERVE_BRK_ARRAY(unsigned long, p2m_identity, P2M_PER_PAGE); static RESERVE_BRK_ARRAY(unsigned long *, p2m_mid_identity, P2M_MID_PER_PAGE); -static RESERVE_BRK_ARRAY(unsigned long, p2m_mid_identity_mfn, P2M_MID_PER_PAGE); RESERVE_BRK(p2m_mid, PAGE_SIZE * (MAX_DOMAIN_PAGES / (P2M_PER_PAGE * P2M_MID_PER_PAGE))); -RESERVE_BRK(p2m_mid_mfn, PAGE_SIZE * (MAX_DOMAIN_PAGES / (P2M_PER_PAGE * P2M_MID_PER_PAGE))); /* For each I/O range remapped we may lose up to two leaf pages for the boundary * violations and three mid pages to cover up to 3GB. With @@ -272,11 +272,11 @@ static void p2m_init(unsigned long *p2m) * Build the parallel p2m_top_mfn and p2m_mid_mfn structures * * This is called both at boot time, and after resuming from suspend: - * - At boot time we're called very early, and must use extend_brk() + * - At boot time we're called rather early, and must use alloc_bootmem*() * to allocate memory. * * - After resume we're called from within stop_machine, but the mfn - * tree should alreay be completely allocated. + * tree should already be completely allocated. */ void __ref xen_build_mfn_list_list(void) { @@ -287,20 +287,17 @@ void __ref xen_build_mfn_list_list(void) /* Pre-initialize p2m_top_mfn to be completely missing */ if (p2m_top_mfn == NULL) { - p2m_mid_missing_mfn = extend_brk(PAGE_SIZE, PAGE_SIZE); + p2m_mid_missing_mfn = alloc_bootmem_align(PAGE_SIZE, PAGE_SIZE); p2m_mid_mfn_init(p2m_mid_missing_mfn, p2m_missing); - p2m_mid_identity_mfn = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_mid_mfn_init(p2m_mid_identity_mfn, p2m_identity); - p2m_top_mfn_p = extend_brk(PAGE_SIZE, PAGE_SIZE); + p2m_top_mfn_p = alloc_bootmem_align(PAGE_SIZE, PAGE_SIZE); p2m_top_mfn_p_init(p2m_top_mfn_p); - p2m_top_mfn = extend_brk(PAGE_SIZE, PAGE_SIZE); + p2m_top_mfn = alloc_bootmem_align(PAGE_SIZE, PAGE_SIZE); p2m_top_mfn_init(p2m_top_mfn); } else { /* Reinitialise, mfn's all change after migration */ p2m_mid_mfn_init(p2m_mid_missing_mfn, p2m_missing); - p2m_mid_mfn_init(p2m_mid_identity_mfn, p2m_identity); } for (pfn = 0; pfn < xen_max_p2m_pfn; pfn += P2M_PER_PAGE) { @@ -328,10 +325,9 @@ void __ref xen_build_mfn_list_list(void) /* * XXX boot-time only! We should never find * missing parts of the mfn tree after - * runtime. extend_brk() will BUG if we call - * it too late. + * runtime. */ - mid_mfn_p = extend_brk(PAGE_SIZE, PAGE_SIZE); + mid_mfn_p = alloc_bootmem_align(PAGE_SIZE, PAGE_SIZE); p2m_mid_mfn_init(mid_mfn_p, p2m_missing); p2m_top_mfn_p[topidx] = mid_mfn_p; @@ -415,7 +411,6 @@ void __init xen_build_dynamic_phys_to_machine(void) m2p_override_init(); } #ifdef CONFIG_X86_64 -#include unsigned long __init xen_revector_p2m_tree(void) { unsigned long va_start; @@ -477,7 +472,6 @@ unsigned long __init xen_revector_p2m_tree(void) copy_page(new, mid_p); p2m_top[topidx][mididx] = &mfn_list[pfn_free]; - p2m_top_mfn_p[topidx][mididx] = virt_to_mfn(&mfn_list[pfn_free]); pfn_free += P2M_PER_PAGE; @@ -538,12 +532,13 @@ static bool alloc_p2m(unsigned long pfn) unsigned topidx, mididx; unsigned long ***top_p, **mid; unsigned long *top_mfn_p, *mid_mfn; + unsigned long *p2m_orig; topidx = p2m_top_index(pfn); mididx = p2m_mid_index(pfn); top_p = &p2m_top[topidx]; - mid = *top_p; + mid = ACCESS_ONCE(*top_p); if (mid == p2m_mid_missing) { /* Mid level is missing, allocate a new one */ @@ -558,7 +553,7 @@ static bool alloc_p2m(unsigned long pfn) } top_mfn_p = &p2m_top_mfn[topidx]; - mid_mfn = p2m_top_mfn_p[topidx]; + mid_mfn = ACCESS_ONCE(p2m_top_mfn_p[topidx]); BUG_ON(virt_to_mfn(mid_mfn) != *top_mfn_p); @@ -566,6 +561,7 @@ static bool alloc_p2m(unsigned long pfn) /* Separately check the mid mfn level */ unsigned long missing_mfn; unsigned long mid_mfn_mfn; + unsigned long old_mfn; mid_mfn = alloc_p2m_page(); if (!mid_mfn) @@ -575,17 +571,19 @@ static bool alloc_p2m(unsigned long pfn) missing_mfn = virt_to_mfn(p2m_mid_missing_mfn); mid_mfn_mfn = virt_to_mfn(mid_mfn); - if (cmpxchg(top_mfn_p, missing_mfn, mid_mfn_mfn) != missing_mfn) + old_mfn = cmpxchg(top_mfn_p, missing_mfn, mid_mfn_mfn); + if (old_mfn != missing_mfn) { free_p2m_page(mid_mfn); - else + mid_mfn = mfn_to_virt(old_mfn); + } else { p2m_top_mfn_p[topidx] = mid_mfn; + } } - if (p2m_top[topidx][mididx] == p2m_identity || - p2m_top[topidx][mididx] == p2m_missing) { + p2m_orig = ACCESS_ONCE(p2m_top[topidx][mididx]); + if (p2m_orig == p2m_identity || p2m_orig == p2m_missing) { /* p2m leaf page is missing */ unsigned long *p2m; - unsigned long *p2m_orig = p2m_top[topidx][mididx]; p2m = alloc_p2m_page(); if (!p2m) @@ -606,7 +604,6 @@ static bool __init early_alloc_p2m(unsigned long pfn, bool check_boundary) { unsigned topidx, mididx, idx; unsigned long *p2m; - unsigned long *mid_mfn_p; topidx = p2m_top_index(pfn); mididx = p2m_mid_index(pfn); @@ -633,43 +630,21 @@ static bool __init early_alloc_p2m(unsigned long pfn, bool check_boundary) p2m_top[topidx][mididx] = p2m; - /* For save/restore we need to MFN of the P2M saved */ - - mid_mfn_p = p2m_top_mfn_p[topidx]; - WARN(mid_mfn_p[mididx] != virt_to_mfn(p2m_missing), - "P2M_TOP_P[%d][%d] != MFN of p2m_missing!\n", - topidx, mididx); - mid_mfn_p[mididx] = virt_to_mfn(p2m); - return true; } static bool __init early_alloc_p2m_middle(unsigned long pfn) { unsigned topidx = p2m_top_index(pfn); - unsigned long *mid_mfn_p; unsigned long **mid; mid = p2m_top[topidx]; - mid_mfn_p = p2m_top_mfn_p[topidx]; if (mid == p2m_mid_missing) { mid = extend_brk(PAGE_SIZE, PAGE_SIZE); p2m_mid_init(mid, p2m_missing); p2m_top[topidx] = mid; - - BUG_ON(mid_mfn_p != p2m_mid_missing_mfn); - } - /* And the save/restore P2M tables.. */ - if (mid_mfn_p == p2m_mid_missing_mfn) { - mid_mfn_p = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_mid_mfn_init(mid_mfn_p, p2m_missing); - - p2m_top_mfn_p[topidx] = mid_mfn_p; - p2m_top_mfn[topidx] = virt_to_mfn(mid_mfn_p); - /* Note: we don't set mid_mfn_p[midix] here, - * look in early_alloc_p2m() */ } return true; } @@ -680,14 +655,13 @@ static bool __init early_alloc_p2m_middle(unsigned long pfn) * replace the P2M leaf with a p2m_missing or p2m_identity. * Stick the old page in the new P2M tree location. */ -bool __init early_can_reuse_p2m_middle(unsigned long set_pfn, unsigned long set_mfn) +static bool __init early_can_reuse_p2m_middle(unsigned long set_pfn) { unsigned topidx; unsigned mididx; unsigned ident_pfns; unsigned inv_pfns; unsigned long *p2m; - unsigned long *mid_mfn_p; unsigned idx; unsigned long pfn; @@ -733,11 +707,6 @@ bool __init early_can_reuse_p2m_middle(unsigned long set_pfn, unsigned long set_ found: /* Found one, replace old with p2m_identity or p2m_missing */ p2m_top[topidx][mididx] = (ident_pfns ? p2m_identity : p2m_missing); - /* And the other for save/restore.. */ - mid_mfn_p = p2m_top_mfn_p[topidx]; - /* NOTE: Even if it is a p2m_identity it should still be point to - * a page filled with INVALID_P2M_ENTRY entries. */ - mid_mfn_p[mididx] = virt_to_mfn(p2m_missing); /* Reset where we want to stick the old page in. */ topidx = p2m_top_index(set_pfn); @@ -752,8 +721,6 @@ bool __init early_can_reuse_p2m_middle(unsigned long set_pfn, unsigned long set_ p2m_init(p2m); p2m_top[topidx][mididx] = p2m; - mid_mfn_p = p2m_top_mfn_p[topidx]; - mid_mfn_p[mididx] = virt_to_mfn(p2m); return true; } @@ -763,7 +730,7 @@ bool __init early_set_phys_to_machine(unsigned long pfn, unsigned long mfn) if (!early_alloc_p2m_middle(pfn)) return false; - if (early_can_reuse_p2m_middle(pfn, mfn)) + if (early_can_reuse_p2m_middle(pfn)) return __set_phys_to_machine(pfn, mfn); if (!early_alloc_p2m(pfn, false /* boundary crossover OK!*/)) diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index af7216128d93..29834b3fd87f 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -595,6 +595,7 @@ char * __init xen_memory_setup(void) rc = 0; } BUG_ON(rc); + BUG_ON(memmap.nr_entries == 0); /* * Xen won't allow a 1:1 mapping to be created to UNUSABLE diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 8650cdb53209..4c071aeb8417 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -510,6 +510,9 @@ static void xen_cpu_die(unsigned int cpu) current->state = TASK_UNINTERRUPTIBLE; schedule_timeout(HZ/10); } + + cpu_die_common(cpu); + xen_smp_intr_free(cpu); xen_uninit_lock_cpu(cpu); xen_teardown_timer(cpu); diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index a1d430b112b3..f473d268d387 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -158,7 +158,7 @@ cycle_t xen_clocksource_read(void) cycle_t ret; preempt_disable_notrace(); - src = this_cpu_ptr(&xen_vcpu->time); + src = &__this_cpu_read(xen_vcpu)->time; ret = pvclock_clocksource_read(src); preempt_enable_notrace(); return ret; diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 49c6c3d94449..81f57e8c8f1b 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -319,8 +319,8 @@ config XTENSA_PLATFORM_S6105 config XTENSA_PLATFORM_XTFPGA bool "XTFPGA" + select ETHOC if ETHERNET select SERIAL_CONSOLE - select ETHOC select XTENSA_CALIBRATE_CCOUNT help XTFPGA is the name of Tensilica board family (LX60, LX110, LX200, ML605). @@ -367,7 +367,7 @@ config BUILTIN_DTB config BLK_DEV_SIMDISK tristate "Host file-based simulated block device support" default n - depends on XTENSA_PLATFORM_ISS + depends on XTENSA_PLATFORM_ISS && BLOCK help Create block devices that map to files in the host file system. Device binding to host file may be changed at runtime via proc diff --git a/arch/xtensa/boot/dts/lx200mx.dts b/arch/xtensa/boot/dts/lx200mx.dts new file mode 100644 index 000000000000..249822b99bd6 --- /dev/null +++ b/arch/xtensa/boot/dts/lx200mx.dts @@ -0,0 +1,16 @@ +/dts-v1/; +/include/ "xtfpga.dtsi" +/include/ "xtfpga-flash-16m.dtsi" + +/ { + compatible = "cdns,xtensa-lx200"; + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x06000000>; + }; + pic: pic { + compatible = "cdns,xtensa-mx"; + #interrupt-cells = <2>; + interrupt-controller; + }; +}; diff --git a/arch/xtensa/configs/generic_kc705_defconfig b/arch/xtensa/configs/generic_kc705_defconfig new file mode 100644 index 000000000000..f4b7b3888da8 --- /dev/null +++ b/arch/xtensa/configs/generic_kc705_defconfig @@ -0,0 +1,131 @@ +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y +CONFIG_IRQ_DOMAIN_DEBUG=y +CONFIG_NO_HZ_IDLE=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_IRQ_TIME_ACCOUNTING=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_CGROUP_DEBUG=y +CONFIG_CGROUP_FREEZER=y +CONFIG_CGROUP_DEVICE=y +CONFIG_CPUSETS=y +CONFIG_CGROUP_CPUACCT=y +CONFIG_RESOURCE_COUNTERS=y +CONFIG_MEMCG=y +CONFIG_NAMESPACES=y +CONFIG_SCHED_AUTOGROUP=y +CONFIG_RELAY=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_EXPERT=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS_ALL=y +CONFIG_PROFILING=y +CONFIG_OPROFILE=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_XTENSA_VARIANT_DC233C=y +CONFIG_XTENSA_UNALIGNED_USER=y +CONFIG_PREEMPT=y +CONFIG_HIGHMEM=y +# CONFIG_PCI is not set +CONFIG_XTENSA_PLATFORM_XTFPGA=y +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE="earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug" +CONFIG_USE_OF=y +CONFIG_BUILTIN_DTB="kc705" +# CONFIG_COMPACTION is not set +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y +# CONFIG_IPV6 is not set +CONFIG_NETFILTER=y +# CONFIG_WIRELESS is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +# CONFIG_STANDALONE is not set +CONFIG_MTD=y +CONFIG_MTD_CFI=y +CONFIG_MTD_JEDECPROBE=y +CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_CFI_STAA=y +CONFIG_MTD_PHYSMAP_OF=y +CONFIG_MTD_UBI=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_RAM=y +CONFIG_SCSI=y +CONFIG_BLK_DEV_SD=y +CONFIG_NETDEVICES=y +# CONFIG_NET_VENDOR_ARC is not set +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_SMSC is not set +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_NET_VENDOR_VIA is not set +# CONFIG_NET_VENDOR_WIZNET is not set +CONFIG_MARVELL_PHY=y +# CONFIG_WLAN is not set +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +CONFIG_SERIAL_8250=y +# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_HW_RANDOM=y +# CONFIG_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_WATCHDOG_NOWAYOUT=y +CONFIG_SOFT_WATCHDOG=y +# CONFIG_VGA_CONSOLE is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXT3_FS=y +CONFIG_EXT4_FS=y +CONFIG_FANOTIFY=y +CONFIG_VFAT_FS=y +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_UBIFS_FS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V4=y +CONFIG_NFS_SWAP=y +CONFIG_ROOT_NFS=y +CONFIG_SUNRPC_DEBUG=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ISO8859_1=y +CONFIG_PRINTK_TIME=y +CONFIG_DYNAMIC_DEBUG=y +CONFIG_DEBUG_INFO=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_LOCKUP_DETECTOR=y +# CONFIG_SCHED_DEBUG is not set +CONFIG_SCHEDSTATS=y +CONFIG_TIMER_STATS=y +CONFIG_DEBUG_RT_MUTEXES=y +CONFIG_DEBUG_SPINLOCK=y +CONFIG_DEBUG_MUTEXES=y +CONFIG_DEBUG_ATOMIC_SLEEP=y +CONFIG_STACKTRACE=y +CONFIG_RCU_TRACE=y +# CONFIG_FTRACE is not set +CONFIG_LD_NO_RELAX=y +# CONFIG_S32C1I_SELFTEST is not set +CONFIG_CRYPTO_ANSI_CPRNG=y diff --git a/arch/xtensa/configs/smp_lx200_defconfig b/arch/xtensa/configs/smp_lx200_defconfig new file mode 100644 index 000000000000..22eeacba37cc --- /dev/null +++ b/arch/xtensa/configs/smp_lx200_defconfig @@ -0,0 +1,135 @@ +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y +CONFIG_IRQ_DOMAIN_DEBUG=y +CONFIG_NO_HZ_IDLE=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_IRQ_TIME_ACCOUNTING=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_CGROUP_DEBUG=y +CONFIG_CGROUP_FREEZER=y +CONFIG_CGROUP_DEVICE=y +CONFIG_CPUSETS=y +CONFIG_CGROUP_CPUACCT=y +CONFIG_RESOURCE_COUNTERS=y +CONFIG_MEMCG=y +CONFIG_NAMESPACES=y +CONFIG_SCHED_AUTOGROUP=y +CONFIG_RELAY=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_EXPERT=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS_ALL=y +CONFIG_PROFILING=y +CONFIG_OPROFILE=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_XTENSA_VARIANT_CUSTOM=y +CONFIG_XTENSA_VARIANT_CUSTOM_NAME="test_mmuhifi_c3" +CONFIG_XTENSA_UNALIGNED_USER=y +CONFIG_PREEMPT=y +CONFIG_HAVE_SMP=y +CONFIG_SMP=y +CONFIG_HOTPLUG_CPU=y +# CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is not set +# CONFIG_PCI is not set +CONFIG_XTENSA_PLATFORM_XTFPGA=y +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE="earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug" +CONFIG_USE_OF=y +CONFIG_BUILTIN_DTB="lx200mx" +# CONFIG_COMPACTION is not set +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y +# CONFIG_IPV6 is not set +CONFIG_NETFILTER=y +# CONFIG_WIRELESS is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +# CONFIG_STANDALONE is not set +CONFIG_MTD=y +CONFIG_MTD_CFI=y +CONFIG_MTD_JEDECPROBE=y +CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_CFI_STAA=y +CONFIG_MTD_PHYSMAP_OF=y +CONFIG_MTD_UBI=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_RAM=y +CONFIG_SCSI=y +CONFIG_BLK_DEV_SD=y +CONFIG_NETDEVICES=y +# CONFIG_NET_VENDOR_ARC is not set +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_SMSC is not set +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_NET_VENDOR_VIA is not set +# CONFIG_NET_VENDOR_WIZNET is not set +CONFIG_MARVELL_PHY=y +# CONFIG_WLAN is not set +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +CONFIG_SERIAL_8250=y +# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_HW_RANDOM=y +# CONFIG_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_WATCHDOG_NOWAYOUT=y +CONFIG_SOFT_WATCHDOG=y +# CONFIG_VGA_CONSOLE is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXT3_FS=y +CONFIG_EXT4_FS=y +CONFIG_FANOTIFY=y +CONFIG_VFAT_FS=y +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_UBIFS_FS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V4=y +CONFIG_NFS_SWAP=y +CONFIG_ROOT_NFS=y +CONFIG_SUNRPC_DEBUG=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ISO8859_1=y +CONFIG_PRINTK_TIME=y +CONFIG_DYNAMIC_DEBUG=y +CONFIG_DEBUG_INFO=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_VM=y +CONFIG_LOCKUP_DETECTOR=y +CONFIG_SCHEDSTATS=y +CONFIG_TIMER_STATS=y +CONFIG_DEBUG_RT_MUTEXES=y +CONFIG_DEBUG_SPINLOCK=y +CONFIG_DEBUG_MUTEXES=y +CONFIG_DEBUG_ATOMIC_SLEEP=y +CONFIG_STACKTRACE=y +CONFIG_RCU_TRACE=y +# CONFIG_FTRACE is not set +CONFIG_LD_NO_RELAX=y +# CONFIG_S32C1I_SELFTEST is not set +CONFIG_CRYPTO_ANSI_CPRNG=y diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index b2173e5da601..0383aed59121 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -277,6 +277,8 @@ static inline pte_t pte_mkwrite(pte_t pte) static inline pte_t pte_mkspecial(pte_t pte) { return pte; } +#define pgprot_noncached(prot) (__pgprot(pgprot_val(prot) & ~_PAGE_CA_MASK)) + /* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h index 8883fc877c5c..db5bb72e2f4e 100644 --- a/arch/xtensa/include/uapi/asm/unistd.h +++ b/arch/xtensa/include/uapi/asm/unistd.h @@ -384,7 +384,8 @@ __SYSCALL(174, sys_chroot, 1) #define __NR_pivot_root 175 __SYSCALL(175, sys_pivot_root, 2) #define __NR_umount 176 -__SYSCALL(176, sys_umount, 2) +__SYSCALL(176, sys_oldumount, 1) +#define __ARCH_WANT_SYS_OLDUMOUNT #define __NR_swapoff 177 __SYSCALL(177, sys_swapoff, 1) #define __NR_sync 178 @@ -742,7 +743,14 @@ __SYSCALL(335, sys_sched_getattr, 3) #define __NR_renameat2 336 __SYSCALL(336, sys_renameat2, 5) -#define __NR_syscall_count 337 +#define __NR_seccomp 337 +__SYSCALL(337, sys_seccomp, 3) +#define __NR_getrandom 338 +__SYSCALL(338, sys_getrandom, 3) +#define __NR_memfd_create 339 +__SYSCALL(339, sys_memfd_create, 2) + +#define __NR_syscall_count 340 /* * sysxtensa syscall handler diff --git a/block/blk-merge.c b/block/blk-merge.c index ba99351c0f58..89b97b5e0881 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -97,18 +97,22 @@ void blk_recalc_rq_segments(struct request *rq) void blk_recount_segments(struct request_queue *q, struct bio *bio) { - bool no_sg_merge = !!test_bit(QUEUE_FLAG_NO_SG_MERGE, - &q->queue_flags); + unsigned short seg_cnt; - if (no_sg_merge && !bio_flagged(bio, BIO_CLONED) && - bio->bi_vcnt < queue_max_segments(q)) - bio->bi_phys_segments = bio->bi_vcnt; + /* estimate segment number by bi_vcnt for non-cloned bio */ + if (bio_flagged(bio, BIO_CLONED)) + seg_cnt = bio_segments(bio); + else + seg_cnt = bio->bi_vcnt; + + if (test_bit(QUEUE_FLAG_NO_SG_MERGE, &q->queue_flags) && + (seg_cnt < queue_max_segments(q))) + bio->bi_phys_segments = seg_cnt; else { struct bio *nxt = bio->bi_next; bio->bi_next = NULL; - bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio, - no_sg_merge); + bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio, false); bio->bi_next = nxt; } diff --git a/block/blk-mq.c b/block/blk-mq.c index 68929bad9a6a..1d016fc9a8b6 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -107,11 +107,7 @@ static void blk_mq_usage_counter_release(struct percpu_ref *ref) wake_up_all(&q->mq_freeze_wq); } -/* - * Guarantee no request is in use, so we can change any data structure of - * the queue afterward. - */ -void blk_mq_freeze_queue(struct request_queue *q) +static void blk_mq_freeze_queue_start(struct request_queue *q) { bool freeze; @@ -123,9 +119,23 @@ void blk_mq_freeze_queue(struct request_queue *q) percpu_ref_kill(&q->mq_usage_counter); blk_mq_run_queues(q, false); } +} + +static void blk_mq_freeze_queue_wait(struct request_queue *q) +{ wait_event(q->mq_freeze_wq, percpu_ref_is_zero(&q->mq_usage_counter)); } +/* + * Guarantee no request is in use, so we can change any data structure of + * the queue afterward. + */ +void blk_mq_freeze_queue(struct request_queue *q) +{ + blk_mq_freeze_queue_start(q); + blk_mq_freeze_queue_wait(q); +} + static void blk_mq_unfreeze_queue(struct request_queue *q) { bool wake; @@ -1921,7 +1931,7 @@ void blk_mq_free_queue(struct request_queue *q) /* Basically redo blk_mq_init_queue with queue frozen */ static void blk_mq_queue_reinit(struct request_queue *q) { - blk_mq_freeze_queue(q); + WARN_ON_ONCE(!q->mq_freeze_depth); blk_mq_sysfs_unregister(q); @@ -1936,8 +1946,6 @@ static void blk_mq_queue_reinit(struct request_queue *q) blk_mq_map_swqueue(q); blk_mq_sysfs_register(q); - - blk_mq_unfreeze_queue(q); } static int blk_mq_queue_reinit_notify(struct notifier_block *nb, @@ -1956,8 +1964,25 @@ static int blk_mq_queue_reinit_notify(struct notifier_block *nb, return NOTIFY_OK; mutex_lock(&all_q_mutex); + + /* + * We need to freeze and reinit all existing queues. Freezing + * involves synchronous wait for an RCU grace period and doing it + * one by one may take a long time. Start freezing all queues in + * one swoop and then wait for the completions so that freezing can + * take place in parallel. + */ + list_for_each_entry(q, &all_q_list, all_q_node) + blk_mq_freeze_queue_start(q); + list_for_each_entry(q, &all_q_list, all_q_node) + blk_mq_freeze_queue_wait(q); + list_for_each_entry(q, &all_q_list, all_q_node) blk_mq_queue_reinit(q); + + list_for_each_entry(q, &all_q_list, all_q_node) + blk_mq_unfreeze_queue(q); + mutex_unlock(&all_q_mutex); return NOTIFY_OK; } diff --git a/block/elevator.c b/block/elevator.c index 24c28b659bb3..afa3b037a17c 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -229,7 +229,9 @@ int elevator_init(struct request_queue *q, char *name) } err = e->ops.elevator_init_fn(q, e); - return 0; + if (err) + elevator_put(e); + return err; } EXPORT_SYMBOL(elevator_init); diff --git a/block/ioprio.c b/block/ioprio.c index e50170ca7c33..31666c92b46a 100644 --- a/block/ioprio.c +++ b/block/ioprio.c @@ -157,14 +157,16 @@ static int get_task_ioprio(struct task_struct *p) int ioprio_best(unsigned short aprio, unsigned short bprio) { - unsigned short aclass = IOPRIO_PRIO_CLASS(aprio); - unsigned short bclass = IOPRIO_PRIO_CLASS(bprio); + unsigned short aclass; + unsigned short bclass; - if (aclass == IOPRIO_CLASS_NONE) - aclass = IOPRIO_CLASS_BE; - if (bclass == IOPRIO_CLASS_NONE) - bclass = IOPRIO_CLASS_BE; + if (!ioprio_valid(aprio)) + aprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, IOPRIO_NORM); + if (!ioprio_valid(bprio)) + bprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, IOPRIO_NORM); + aclass = IOPRIO_PRIO_CLASS(aprio); + bclass = IOPRIO_PRIO_CLASS(bprio); if (aclass == bclass) return min(aprio, bprio); if (aclass > bclass) diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index abb2e65b24cc..b0c2a616c8f9 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -458,7 +458,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, rq = blk_get_request(q, in_len ? WRITE : READ, __GFP_WAIT); if (IS_ERR(rq)) { err = PTR_ERR(rq); - goto error; + goto error_free_buffer; } blk_rq_set_block_pc(rq); @@ -508,7 +508,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_WAIT)) { err = DRIVER_ERROR << 24; - goto out; + goto error; } memset(sense, 0, sizeof(sense)); @@ -517,7 +517,6 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, blk_execute_rq(q, disk, rq, 0); -out: err = rq->errors & 0xff; /* only 8 bit SCSI status */ if (err) { if (rq->sense_len && rq->sense) { @@ -532,9 +531,11 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, } error: + blk_put_request(rq); + +error_free_buffer: kfree(buffer); - if (rq) - blk_put_request(rq); + return err; } EXPORT_SYMBOL_GPL(sg_scsi_ioctl); diff --git a/crypto/cts.c b/crypto/cts.c index 042223f8e733..133f0874c95e 100644 --- a/crypto/cts.c +++ b/crypto/cts.c @@ -202,7 +202,8 @@ static int cts_cbc_decrypt(struct crypto_cts_ctx *ctx, /* 5. Append the tail (BB - Ln) bytes of Xn (tmp) to Cn to create En */ memcpy(s + bsize + lastn, tmp + lastn, bsize - lastn); /* 6. Decrypt En to create Pn-1 */ - memset(iv, 0, sizeof(iv)); + memzero_explicit(iv, sizeof(iv)); + sg_set_buf(&sgsrc[0], s + bsize, bsize); sg_set_buf(&sgdst[0], d, bsize); err = crypto_blkcipher_decrypt_iv(&lcldesc, sgdst, sgsrc, bsize); diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c index 42794803c480..7bb047432782 100644 --- a/crypto/sha1_generic.c +++ b/crypto/sha1_generic.c @@ -64,7 +64,7 @@ int crypto_sha1_update(struct shash_desc *desc, const u8 *data, src = data + done; } while (done + SHA1_BLOCK_SIZE <= len); - memset(temp, 0, sizeof(temp)); + memzero_explicit(temp, sizeof(temp)); partial = 0; } memcpy(sctx->buffer + partial, src, len - done); diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c index 0bb558344699..65e7b76b057f 100644 --- a/crypto/sha256_generic.c +++ b/crypto/sha256_generic.c @@ -211,10 +211,9 @@ static void sha256_transform(u32 *state, const u8 *input) /* clear any sensitive info... */ a = b = c = d = e = f = g = h = t1 = t2 = 0; - memset(W, 0, 64 * sizeof(u32)); + memzero_explicit(W, 64 * sizeof(u32)); } - static int sha224_init(struct shash_desc *desc) { struct sha256_state *sctx = shash_desc_ctx(desc); @@ -317,7 +316,7 @@ static int sha224_final(struct shash_desc *desc, u8 *hash) sha256_final(desc, D); memcpy(hash, D, SHA224_DIGEST_SIZE); - memset(D, 0, SHA256_DIGEST_SIZE); + memzero_explicit(D, SHA256_DIGEST_SIZE); return 0; } diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c index 6dde57dc511b..95db67197cd9 100644 --- a/crypto/sha512_generic.c +++ b/crypto/sha512_generic.c @@ -239,7 +239,7 @@ static int sha384_final(struct shash_desc *desc, u8 *hash) sha512_final(desc, D); memcpy(hash, D, 48); - memset(D, 0, 64); + memzero_explicit(D, 64); return 0; } diff --git a/crypto/tgr192.c b/crypto/tgr192.c index 87403556fd0b..3c7af0d1ff7a 100644 --- a/crypto/tgr192.c +++ b/crypto/tgr192.c @@ -612,7 +612,7 @@ static int tgr160_final(struct shash_desc *desc, u8 * out) tgr192_final(desc, D); memcpy(out, D, TGR160_DIGEST_SIZE); - memset(D, 0, TGR192_DIGEST_SIZE); + memzero_explicit(D, TGR192_DIGEST_SIZE); return 0; } @@ -623,7 +623,7 @@ static int tgr128_final(struct shash_desc *desc, u8 * out) tgr192_final(desc, D); memcpy(out, D, TGR128_DIGEST_SIZE); - memset(D, 0, TGR192_DIGEST_SIZE); + memzero_explicit(D, TGR192_DIGEST_SIZE); return 0; } diff --git a/crypto/vmac.c b/crypto/vmac.c index 2eb11a30c29c..d84c24bd7ff7 100644 --- a/crypto/vmac.c +++ b/crypto/vmac.c @@ -613,7 +613,7 @@ static int vmac_final(struct shash_desc *pdesc, u8 *out) } mac = vmac(ctx->partial, ctx->partial_size, nonce, NULL, ctx); memcpy(out, &mac, sizeof(vmac_t)); - memset(&mac, 0, sizeof(vmac_t)); + memzero_explicit(&mac, sizeof(vmac_t)); memset(&ctx->__vmac_ctx, 0, sizeof(struct vmac_ctx)); ctx->partial_size = 0; return 0; diff --git a/crypto/wp512.c b/crypto/wp512.c index 180f1d6e03f4..ec64e7762fbb 100644 --- a/crypto/wp512.c +++ b/crypto/wp512.c @@ -1102,8 +1102,8 @@ static int wp384_final(struct shash_desc *desc, u8 *out) u8 D[64]; wp512_final(desc, D); - memcpy (out, D, WP384_DIGEST_SIZE); - memset (D, 0, WP512_DIGEST_SIZE); + memcpy(out, D, WP384_DIGEST_SIZE); + memzero_explicit(D, WP512_DIGEST_SIZE); return 0; } @@ -1113,8 +1113,8 @@ static int wp256_final(struct shash_desc *desc, u8 *out) u8 D[64]; wp512_final(desc, D); - memcpy (out, D, WP256_DIGEST_SIZE); - memset (D, 0, WP512_DIGEST_SIZE); + memcpy(out, D, WP256_DIGEST_SIZE); + memzero_explicit(D, WP512_DIGEST_SIZE); return 0; } diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index d0f3265fb85d..b23fe37f67c0 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -144,7 +144,7 @@ config ACPI_VIDEO config ACPI_FAN tristate "Fan" - select THERMAL + depends on THERMAL default y help This driver supports ACPI fan devices, allowing user-mode diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 505d4d79fe3e..c3b2fcb729f3 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -43,6 +43,7 @@ acpi-y += pci_root.o pci_link.o pci_irq.o acpi-y += acpi_lpss.o acpi-y += acpi_platform.o acpi-y += acpi_pnp.o +acpi-y += int340x_thermal.o acpi-y += power.o acpi-y += event.o acpi-y += sysfs.o diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index 2bf9082f7523..6ba8beb6b9d2 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include "internal.h" @@ -102,6 +103,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) pdevinfo.res = resources; pdevinfo.num_res = count; pdevinfo.acpi_node.companion = adev; + pdevinfo.dma_mask = DMA_BIT_MASK(32); pdev = platform_device_register_full(&pdevinfo); if (IS_ERR(pdev)) dev_err(&adev->dev, "platform device creation failed: %ld\n", @@ -113,3 +115,4 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) kfree(resources); return pdev; } +EXPORT_SYMBOL_GPL(acpi_create_platform_device); diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index 2ad2351a9833..c318d3e27893 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -127,7 +127,7 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, acpi_status acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, - acpi_event_status * event_status); + acpi_event_status *event_status); acpi_status acpi_hw_disable_all_gpes(void); diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 2747279fbe3c..c00e7e41ad75 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -413,8 +413,8 @@ struct acpi_gpe_handler_info { acpi_gpe_handler address; /* Address of handler, if any */ void *context; /* Context to be passed to handler */ struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */ - u8 original_flags; /* Original (pre-handler) GPE info */ - u8 originally_enabled; /* True if GPE was originally enabled */ + u8 original_flags; /* Original (pre-handler) GPE info */ + u8 originally_enabled; /* True if GPE was originally enabled */ }; /* Notify info for implicit notify, multiple device objects */ diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index f14882788eee..1afe46e44dac 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -49,6 +49,8 @@ acpi_status acpi_allocate_root_table(u32 initial_table_count); /* * tbxfroot - Root pointer utilities */ +u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp); + acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length); diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h index f3f834408441..3a0beeb86ba5 100644 --- a/drivers/acpi/acpica/amlresrc.h +++ b/drivers/acpi/acpica/amlresrc.h @@ -117,6 +117,12 @@ struct asl_resource_node { struct asl_resource_node *next; }; +struct asl_resource_info { + union acpi_parse_object *descriptor_type_op; /* Resource descriptor parse node */ + union acpi_parse_object *mapping_op; /* Used for mapfile support */ + u32 current_byte_offset; /* Offset in resource template */ +}; + /* Macros used to generate AML resource length fields */ #define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header)) @@ -449,4 +455,32 @@ union aml_resource { u8 byte_item; }; +/* Interfaces used by both the disassembler and compiler */ + +void +mp_save_gpio_info(union acpi_parse_object *op, + union aml_resource *resource, + u32 pin_count, u16 *pin_list, char *device_name); + +void +mp_save_serial_info(union acpi_parse_object *op, + union aml_resource *resource, char *device_name); + +char *mp_get_hid_from_parse_tree(struct acpi_namespace_node *hid_node); + +char *mp_get_hid_via_namestring(char *device_name); + +char *mp_get_connection_info(union acpi_parse_object *op, + u32 pin_index, + struct acpi_namespace_node **target_node, + char **target_name); + +char *mp_get_parent_device_hid(union acpi_parse_object *op, + struct acpi_namespace_node **target_node, + char **parent_device_name); + +char *mp_get_ddn_value(char *device_name); + +char *mp_get_hid_value(struct acpi_namespace_node *device_node); + #endif diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index e4ba4dec86af..2095dfb72bcb 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -100,13 +100,14 @@ acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info) * * FUNCTION: acpi_ev_enable_gpe * - * PARAMETERS: gpe_event_info - GPE to enable + * PARAMETERS: gpe_event_info - GPE to enable * * RETURN: Status * * DESCRIPTION: Clear a GPE of stale events and enable it. * ******************************************************************************/ + acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) { acpi_status status; @@ -125,6 +126,7 @@ acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) } /* Clear the GPE (of stale events) */ + status = acpi_hw_clear_gpe(gpe_event_info); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); @@ -136,7 +138,6 @@ acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ev_add_gpe_reference @@ -212,7 +213,7 @@ acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info) if (ACPI_SUCCESS(status)) { status = acpi_hw_low_set_gpe(gpe_event_info, - ACPI_GPE_DISABLE); + ACPI_GPE_DISABLE); } if (ACPI_FAILURE(status)) { @@ -334,7 +335,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, * ******************************************************************************/ -u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) +u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list) { acpi_status status; struct acpi_gpe_block_info *gpe_block; @@ -427,7 +428,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) /* Check if there is anything active at all in this register */ - enabled_status_byte = (u8) (status_reg & enable_reg); + enabled_status_byte = (u8)(status_reg & enable_reg); if (!enabled_status_byte) { /* No active GPEs in this register, move on */ @@ -450,7 +451,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) acpi_ev_gpe_dispatch(gpe_block-> node, &gpe_block-> - event_info[((acpi_size) i * ACPI_GPE_REGISTER_WIDTH) + j], j + gpe_register_info->base_gpe_number); + event_info[((acpi_size) i * ACPI_GPE_REGISTER_WIDTH) + j], j + gpe_register_info->base_gpe_number); } } } @@ -636,7 +637,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_enable_gpe(void *context) * ******************************************************************************/ -acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info) +acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info * gpe_event_info) { acpi_status status; @@ -666,9 +667,9 @@ acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info) * * FUNCTION: acpi_ev_gpe_dispatch * - * PARAMETERS: gpe_device - Device node. NULL for GPE0/GPE1 - * gpe_event_info - Info for this GPE - * gpe_number - Number relative to the parent GPE block + * PARAMETERS: gpe_device - Device node. NULL for GPE0/GPE1 + * gpe_event_info - Info for this GPE + * gpe_number - Number relative to the parent GPE block * * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED * @@ -681,7 +682,7 @@ acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info) u32 acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device, - struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number) + struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number) { acpi_status status; u32 return_value; diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c index 49fc7effd961..7be928379879 100644 --- a/drivers/acpi/acpica/evgpeinit.c +++ b/drivers/acpi/acpica/evgpeinit.c @@ -424,6 +424,7 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle, } /* Disable the GPE in case it's been enabled already. */ + (void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE); /* diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c index 11e5803b8b41..55a58f3ec8df 100644 --- a/drivers/acpi/acpica/evxface.c +++ b/drivers/acpi/acpica/evxface.c @@ -786,18 +786,26 @@ acpi_install_gpe_handler(acpi_handle gpe_device, handler->method_node = gpe_event_info->dispatch.method_node; handler->original_flags = (u8)(gpe_event_info->flags & (ACPI_GPE_XRUPT_TYPE_MASK | - ACPI_GPE_DISPATCH_MASK)); + ACPI_GPE_DISPATCH_MASK)); /* * If the GPE is associated with a method, it may have been enabled * automatically during initialization, in which case it has to be * disabled now to avoid spurious execution of the handler. */ - - if ((handler->original_flags & ACPI_GPE_DISPATCH_METHOD) - && gpe_event_info->runtime_count) { - handler->originally_enabled = 1; + if (((handler->original_flags & ACPI_GPE_DISPATCH_METHOD) || + (handler->original_flags & ACPI_GPE_DISPATCH_NOTIFY)) && + gpe_event_info->runtime_count) { + handler->originally_enabled = TRUE; (void)acpi_ev_remove_gpe_reference(gpe_event_info); + + /* Sanity check of original type against new type */ + + if (type != + (u32)(gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK)) { + ACPI_WARNING((AE_INFO, + "GPE type mismatch (level/edge)")); + } } /* Install the handler */ @@ -808,7 +816,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, gpe_event_info->flags &= ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); - gpe_event_info->flags |= (u8) (type | ACPI_GPE_DISPATCH_HANDLER); + gpe_event_info->flags |= (u8)(type | ACPI_GPE_DISPATCH_HANDLER); acpi_os_release_lock(acpi_gbl_gpe_lock, flags); @@ -893,7 +901,7 @@ acpi_remove_gpe_handler(acpi_handle gpe_device, gpe_event_info->dispatch.method_node = handler->method_node; gpe_event_info->flags &= - ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); + ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); gpe_event_info->flags |= handler->original_flags; /* @@ -901,7 +909,8 @@ acpi_remove_gpe_handler(acpi_handle gpe_device, * enabled, it should be enabled at this point to restore the * post-initialization configuration. */ - if ((handler->original_flags & ACPI_GPE_DISPATCH_METHOD) && + if (((handler->original_flags & ACPI_GPE_DISPATCH_METHOD) || + (handler->original_flags & ACPI_GPE_DISPATCH_NOTIFY)) && handler->originally_enabled) { (void)acpi_ev_add_gpe_reference(gpe_event_info); } @@ -946,7 +955,7 @@ ACPI_EXPORT_SYMBOL(acpi_remove_gpe_handler) * handle is returned. * ******************************************************************************/ -acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle) +acpi_status acpi_acquire_global_lock(u16 timeout, u32 *handle) { acpi_status status; diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index e286640ad4ff..bb8cbf5961bf 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -324,8 +324,9 @@ ACPI_EXPORT_SYMBOL(acpi_clear_event) ******************************************************************************/ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) { - acpi_status status = AE_OK; - u32 value; + acpi_status status; + acpi_event_status local_event_status = 0; + u32 in_byte; ACPI_FUNCTION_TRACE(acpi_get_event_status); @@ -339,29 +340,40 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Get the status of the requested fixed event */ + /* Fixed event currently can be dispatched? */ + + if (acpi_gbl_fixed_event_handlers[event].handler) { + local_event_status |= ACPI_EVENT_FLAG_HAS_HANDLER; + } + + /* Fixed event currently enabled? */ status = acpi_read_bit_register(acpi_gbl_fixed_event_info[event]. - enable_register_id, &value); - if (ACPI_FAILURE(status)) + enable_register_id, &in_byte); + if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); + } - *event_status = value; + if (in_byte) { + local_event_status |= ACPI_EVENT_FLAG_ENABLED; + } + + /* Fixed event currently active? */ status = acpi_read_bit_register(acpi_gbl_fixed_event_info[event]. - status_register_id, &value); - if (ACPI_FAILURE(status)) + status_register_id, &in_byte); + if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); + } - if (value) - *event_status |= ACPI_EVENT_FLAG_SET; + if (in_byte) { + local_event_status |= ACPI_EVENT_FLAG_SET; + } - if (acpi_gbl_fixed_event_handlers[event].handler) - *event_status |= ACPI_EVENT_FLAG_HANDLE; - - return_ACPI_STATUS(status); + (*event_status) = local_event_status; + return_ACPI_STATUS(AE_OK); } ACPI_EXPORT_SYMBOL(acpi_get_event_status) diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index 56710a03c9b0..e889a5304abd 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -106,8 +106,8 @@ ACPI_EXPORT_SYMBOL(acpi_update_all_gpes) * * FUNCTION: acpi_enable_gpe * - * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 - * gpe_number - GPE level within the GPE block + * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 + * gpe_number - GPE level within the GPE block * * RETURN: Status * @@ -115,7 +115,6 @@ ACPI_EXPORT_SYMBOL(acpi_update_all_gpes) * hardware-enabled. * ******************************************************************************/ - acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number) { acpi_status status = AE_BAD_PARAMETER; @@ -490,8 +489,8 @@ ACPI_EXPORT_SYMBOL(acpi_clear_gpe) * * FUNCTION: acpi_get_gpe_status * - * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 - * gpe_number - GPE level within the GPE block + * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 + * gpe_number - GPE level within the GPE block * event_status - Where the current status of the event * will be returned * @@ -524,9 +523,6 @@ acpi_get_gpe_status(acpi_handle gpe_device, status = acpi_hw_get_gpe_status(gpe_event_info, event_status); - if (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) - *event_status |= ACPI_EVENT_FLAG_HANDLE; - unlock_and_exit: acpi_os_release_lock(acpi_gbl_gpe_lock, flags); return_ACPI_STATUS(status); diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index ea62d40fd161..48ac7b7b59cd 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -202,7 +202,7 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) acpi_status acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info, - acpi_event_status * event_status) + acpi_event_status *event_status) { u32 in_byte; u32 register_bit; @@ -216,6 +216,13 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info, return (AE_BAD_PARAMETER); } + /* GPE currently handled? */ + + if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) != + ACPI_GPE_DISPATCH_NONE) { + local_event_status |= ACPI_EVENT_FLAG_HAS_HANDLER; + } + /* Get the info block for the entire GPE register */ gpe_register_info = gpe_event_info->register_info; diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c index 65ab8fed3d5e..43a54af2b548 100644 --- a/drivers/acpi/acpica/tbxfroot.c +++ b/drivers/acpi/acpica/tbxfroot.c @@ -48,6 +48,36 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME("tbxfroot") +/******************************************************************************* + * + * FUNCTION: acpi_tb_get_rsdp_length + * + * PARAMETERS: rsdp - Pointer to RSDP + * + * RETURN: Table length + * + * DESCRIPTION: Get the length of the RSDP + * + ******************************************************************************/ +u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp) +{ + + if (!ACPI_VALIDATE_RSDP_SIG(rsdp->signature)) { + + /* BAD Signature */ + + return (0); + } + + /* "Length" field is available if table version >= 2 */ + + if (rsdp->revision >= 2) { + return (rsdp->length); + } else { + return (ACPI_RSDP_CHECKSUM_LENGTH); + } +} + /******************************************************************************* * * FUNCTION: acpi_tb_validate_rsdp @@ -59,7 +89,8 @@ ACPI_MODULE_NAME("tbxfroot") * DESCRIPTION: Validate the RSDP (ptr) * ******************************************************************************/ -acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) + +acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp * rsdp) { /* diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index ed122e17636e..7556e7c4a055 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -290,6 +290,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"), }, }, + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Vostro 3546", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"), + }, + }, /* * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index bea6896be122..143ec6ea1468 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -343,6 +343,7 @@ int acpi_device_update_power(struct acpi_device *device, int *state_p) return 0; } +EXPORT_SYMBOL_GPL(acpi_device_update_power); int acpi_bus_update_power(acpi_handle handle, int *state_p) { @@ -710,7 +711,7 @@ int acpi_pm_device_run_wake(struct device *phys_dev, bool enable) return -ENODEV; } - return acpi_device_wakeup(adev, enable, ACPI_STATE_S0); + return acpi_device_wakeup(adev, ACPI_STATE_S0, enable); } EXPORT_SYMBOL(acpi_pm_device_run_wake); #endif /* CONFIG_PM_RUNTIME */ diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index cb6066c809ea..5f9b74b9b71f 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -126,14 +126,16 @@ static int EC_FLAGS_MSI; /* Out-of-spec MSI controller */ static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */ static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */ static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */ +static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */ /* -------------------------------------------------------------------------- - Transaction Management - -------------------------------------------------------------------------- */ + * Transaction Management + * -------------------------------------------------------------------------- */ static inline u8 acpi_ec_read_status(struct acpi_ec *ec) { u8 x = inb(ec->command_addr); + pr_debug("EC_SC(R) = 0x%2.2x " "SCI_EVT=%d BURST=%d CMD=%d IBF=%d OBF=%d\n", x, @@ -148,6 +150,7 @@ static inline u8 acpi_ec_read_status(struct acpi_ec *ec) static inline u8 acpi_ec_read_data(struct acpi_ec *ec) { u8 x = inb(ec->data_addr); + pr_debug("EC_DATA(R) = 0x%2.2x\n", x); return x; } @@ -164,10 +167,32 @@ static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data) outb(data, ec->data_addr); } +#ifdef DEBUG +static const char *acpi_ec_cmd_string(u8 cmd) +{ + switch (cmd) { + case 0x80: + return "RD_EC"; + case 0x81: + return "WR_EC"; + case 0x82: + return "BE_EC"; + case 0x83: + return "BD_EC"; + case 0x84: + return "QR_EC"; + } + return "UNKNOWN"; +} +#else +#define acpi_ec_cmd_string(cmd) "UNDEF" +#endif + static int ec_transaction_completed(struct acpi_ec *ec) { unsigned long flags; int ret = 0; + spin_lock_irqsave(&ec->lock, flags); if (ec->curr && (ec->curr->flags & ACPI_EC_COMMAND_COMPLETE)) ret = 1; @@ -181,7 +206,8 @@ static bool advance_transaction(struct acpi_ec *ec) u8 status; bool wakeup = false; - pr_debug("===== %s =====\n", in_interrupt() ? "IRQ" : "TASK"); + pr_debug("===== %s (%d) =====\n", + in_interrupt() ? "IRQ" : "TASK", smp_processor_id()); status = acpi_ec_read_status(ec); t = ec->curr; if (!t) @@ -198,7 +224,8 @@ static bool advance_transaction(struct acpi_ec *ec) if (t->rlen == t->ri) { t->flags |= ACPI_EC_COMMAND_COMPLETE; if (t->command == ACPI_EC_COMMAND_QUERY) - pr_debug("hardware QR_EC completion\n"); + pr_debug("***** Command(%s) hardware completion *****\n", + acpi_ec_cmd_string(t->command)); wakeup = true; } } else @@ -210,18 +237,14 @@ static bool advance_transaction(struct acpi_ec *ec) } return wakeup; } else { - /* - * There is firmware refusing to respond QR_EC when SCI_EVT - * is not set, for which case, we complete the QR_EC - * without issuing it to the firmware. - * https://bugzilla.kernel.org/show_bug.cgi?id=86211 - */ - if (!(status & ACPI_EC_FLAG_SCI) && + if (EC_FLAGS_QUERY_HANDSHAKE && + !(status & ACPI_EC_FLAG_SCI) && (t->command == ACPI_EC_COMMAND_QUERY)) { t->flags |= ACPI_EC_COMMAND_POLL; t->rdata[t->ri++] = 0x00; t->flags |= ACPI_EC_COMMAND_COMPLETE; - pr_debug("software QR_EC completion\n"); + pr_debug("***** Command(%s) software completion *****\n", + acpi_ec_cmd_string(t->command)); wakeup = true; } else if ((status & ACPI_EC_FLAG_IBF) == 0) { acpi_ec_write_cmd(ec, t->command); @@ -264,6 +287,7 @@ static int ec_poll(struct acpi_ec *ec) { unsigned long flags; int repeat = 5; /* number of command restarts */ + while (repeat--) { unsigned long delay = jiffies + msecs_to_jiffies(ec_delay); @@ -296,18 +320,25 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, { unsigned long tmp; int ret = 0; + if (EC_FLAGS_MSI) udelay(ACPI_EC_MSI_UDELAY); /* start transaction */ spin_lock_irqsave(&ec->lock, tmp); /* following two actions should be kept atomic */ ec->curr = t; + pr_debug("***** Command(%s) started *****\n", + acpi_ec_cmd_string(t->command)); start_transaction(ec); + if (ec->curr->command == ACPI_EC_COMMAND_QUERY) { + clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags); + pr_debug("***** Event stopped *****\n"); + } spin_unlock_irqrestore(&ec->lock, tmp); ret = ec_poll(ec); spin_lock_irqsave(&ec->lock, tmp); - if (ec->curr->command == ACPI_EC_COMMAND_QUERY) - clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags); + pr_debug("***** Command(%s) stopped *****\n", + acpi_ec_cmd_string(t->command)); ec->curr = NULL; spin_unlock_irqrestore(&ec->lock, tmp); return ret; @@ -317,6 +348,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) { int status; u32 glk; + if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata)) return -EINVAL; if (t->rdata) @@ -333,8 +365,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) goto unlock; } } - pr_debug("transaction start (cmd=0x%02x, addr=0x%02x)\n", - t->command, t->wdata ? t->wdata[0] : 0); /* disable GPE during transaction if storm is detected */ if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) { /* It has to be disabled, so that it doesn't trigger. */ @@ -355,7 +385,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) t->irq_count); set_bit(EC_FLAGS_GPE_STORM, &ec->flags); } - pr_debug("transaction end\n"); if (ec->global_lock) acpi_release_global_lock(glk); unlock: @@ -383,7 +412,7 @@ static int acpi_ec_burst_disable(struct acpi_ec *ec) acpi_ec_transaction(ec, &t) : 0; } -static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data) +static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) { int result; u8 d; @@ -419,10 +448,9 @@ int ec_read(u8 addr, u8 *val) if (!err) { *val = temp_data; return 0; - } else - return err; + } + return err; } - EXPORT_SYMBOL(ec_read); int ec_write(u8 addr, u8 val) @@ -436,22 +464,21 @@ int ec_write(u8 addr, u8 val) return err; } - EXPORT_SYMBOL(ec_write); int ec_transaction(u8 command, - const u8 * wdata, unsigned wdata_len, - u8 * rdata, unsigned rdata_len) + const u8 *wdata, unsigned wdata_len, + u8 *rdata, unsigned rdata_len) { struct transaction t = {.command = command, .wdata = wdata, .rdata = rdata, .wlen = wdata_len, .rlen = rdata_len}; + if (!first_ec) return -ENODEV; return acpi_ec_transaction(first_ec, &t); } - EXPORT_SYMBOL(ec_transaction); /* Get the handle to the EC device */ @@ -461,7 +488,6 @@ acpi_handle ec_get_handle(void) return NULL; return first_ec->handle; } - EXPORT_SYMBOL(ec_get_handle); /* @@ -525,13 +551,14 @@ void acpi_ec_unblock_transactions_early(void) clear_bit(EC_FLAGS_BLOCKED, &first_ec->flags); } -static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 * data) +static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 *data) { int result; u8 d; struct transaction t = {.command = ACPI_EC_COMMAND_QUERY, .wdata = NULL, .rdata = &d, .wlen = 0, .rlen = 1}; + if (!ec || !data) return -EINVAL; /* @@ -557,6 +584,7 @@ int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, { struct acpi_ec_query_handler *handler = kzalloc(sizeof(struct acpi_ec_query_handler), GFP_KERNEL); + if (!handler) return -ENOMEM; @@ -569,12 +597,12 @@ int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, mutex_unlock(&ec->mutex); return 0; } - EXPORT_SYMBOL_GPL(acpi_ec_add_query_handler); void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) { struct acpi_ec_query_handler *handler, *tmp; + mutex_lock(&ec->mutex); list_for_each_entry_safe(handler, tmp, &ec->list, node) { if (query_bit == handler->query_bit) { @@ -584,20 +612,20 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) } mutex_unlock(&ec->mutex); } - EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler); static void acpi_ec_run(void *cxt) { struct acpi_ec_query_handler *handler = cxt; + if (!handler) return; - pr_debug("start query execution\n"); + pr_debug("##### Query(0x%02x) started #####\n", handler->query_bit); if (handler->func) handler->func(handler->data); else if (handler->handle) acpi_evaluate_object(handler->handle, NULL, NULL, NULL); - pr_debug("stop query execution\n"); + pr_debug("##### Query(0x%02x) stopped #####\n", handler->query_bit); kfree(handler); } @@ -620,8 +648,8 @@ static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data) if (!copy) return -ENOMEM; memcpy(copy, handler, sizeof(*copy)); - pr_debug("push query execution (0x%2x) on queue\n", - value); + pr_debug("##### Query(0x%02x) scheduled #####\n", + handler->query_bit); return acpi_os_execute((copy->func) ? OSL_NOTIFY_HANDLER : OSL_GPE_HANDLER, acpi_ec_run, copy); @@ -633,6 +661,7 @@ static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data) static void acpi_ec_gpe_query(void *ec_cxt) { struct acpi_ec *ec = ec_cxt; + if (!ec) return; mutex_lock(&ec->mutex); @@ -644,7 +673,7 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state) { if (state & ACPI_EC_FLAG_SCI) { if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) { - pr_debug("push gpe query to the queue\n"); + pr_debug("***** Event started *****\n"); return acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ec_gpe_query, ec); } @@ -667,8 +696,8 @@ static u32 acpi_ec_gpe_handler(acpi_handle gpe_device, } /* -------------------------------------------------------------------------- - Address Space Management - -------------------------------------------------------------------------- */ + * Address Space Management + * -------------------------------------------------------------------------- */ static acpi_status acpi_ec_space_handler(u32 function, acpi_physical_address address, @@ -699,27 +728,26 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, switch (result) { case -EINVAL: return AE_BAD_PARAMETER; - break; case -ENODEV: return AE_NOT_FOUND; - break; case -ETIME: return AE_TIME; - break; default: return AE_OK; } } /* -------------------------------------------------------------------------- - Driver Interface - -------------------------------------------------------------------------- */ + * Driver Interface + * -------------------------------------------------------------------------- */ + static acpi_status ec_parse_io_ports(struct acpi_resource *resource, void *context); static struct acpi_ec *make_acpi_ec(void) { struct acpi_ec *ec = kzalloc(sizeof(struct acpi_ec), GFP_KERNEL); + if (!ec) return NULL; ec->flags = 1 << EC_FLAGS_QUERY_PENDING; @@ -742,9 +770,8 @@ acpi_ec_register_query_methods(acpi_handle handle, u32 level, status = acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer); - if (ACPI_SUCCESS(status) && sscanf(node_name, "_Q%x", &value) == 1) { + if (ACPI_SUCCESS(status) && sscanf(node_name, "_Q%x", &value) == 1) acpi_ec_add_query_handler(ec, value, handle, NULL, NULL); - } return AE_OK; } @@ -753,7 +780,6 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) { acpi_status status; unsigned long long tmp = 0; - struct acpi_ec *ec = context; /* clear addr values, ec_parse_io_ports depend on it */ @@ -781,6 +807,7 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) static int ec_install_handlers(struct acpi_ec *ec) { acpi_status status; + if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags)) return 0; status = acpi_install_gpe_handler(NULL, ec->gpe, @@ -980,6 +1007,18 @@ static int ec_enlarge_storm_threshold(const struct dmi_system_id *id) return 0; } +/* + * Acer EC firmware refuses to respond QR_EC when SCI_EVT is not set, for + * which case, we complete the QR_EC without issuing it to the firmware. + * https://bugzilla.kernel.org/show_bug.cgi?id=86211 + */ +static int ec_flag_query_handshake(const struct dmi_system_id *id) +{ + pr_debug("Detected the EC firmware requiring QR_EC issued when SCI_EVT set\n"); + EC_FLAGS_QUERY_HANDSHAKE = 1; + return 0; +} + /* * On some hardware it is necessary to clear events accumulated by the EC during * sleep. These ECs stop reporting GPEs until they are manually polled, if too @@ -1054,6 +1093,9 @@ static struct dmi_system_id ec_dmi_table[] __initdata = { { ec_clear_on_resume, "Samsung hardware", { DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL}, + { + ec_flag_query_handshake, "Acer hardware", { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), }, NULL}, {}, }; @@ -1078,7 +1120,8 @@ int __init acpi_ec_ecdt_probe(void) boot_ec->data_addr = ecdt_ptr->data.address; boot_ec->gpe = ecdt_ptr->gpe; boot_ec->handle = ACPI_ROOT_OBJECT; - acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle); + acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, + &boot_ec->handle); /* Don't trust ECDT, which comes from ASUSTek */ if (!EC_FLAGS_VALIDATE_ECDT) goto install; @@ -1162,6 +1205,5 @@ static void __exit acpi_ec_exit(void) { acpi_bus_unregister_driver(&acpi_ec_driver); - return; } #endif /* 0 */ diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 5328b1090e08..caf9b76b7ef8 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -30,22 +30,19 @@ #include #include #include - -#define ACPI_FAN_CLASS "fan" -#define ACPI_FAN_FILE_STATE "state" - -#define _COMPONENT ACPI_FAN_COMPONENT -ACPI_MODULE_NAME("fan"); +#include +#include MODULE_AUTHOR("Paul Diefenbaugh"); MODULE_DESCRIPTION("ACPI Fan Driver"); MODULE_LICENSE("GPL"); -static int acpi_fan_add(struct acpi_device *device); -static int acpi_fan_remove(struct acpi_device *device); +static int acpi_fan_probe(struct platform_device *pdev); +static int acpi_fan_remove(struct platform_device *pdev); static const struct acpi_device_id fan_device_ids[] = { {"PNP0C0B", 0}, + {"INT3404", 0}, {"", 0}, }; MODULE_DEVICE_TABLE(acpi, fan_device_ids); @@ -64,37 +61,100 @@ static struct dev_pm_ops acpi_fan_pm = { #define FAN_PM_OPS_PTR NULL #endif -static struct acpi_driver acpi_fan_driver = { - .name = "fan", - .class = ACPI_FAN_CLASS, - .ids = fan_device_ids, - .ops = { - .add = acpi_fan_add, - .remove = acpi_fan_remove, - }, - .drv.pm = FAN_PM_OPS_PTR, +struct acpi_fan_fps { + u64 control; + u64 trip_point; + u64 speed; + u64 noise_level; + u64 power; +}; + +struct acpi_fan_fif { + u64 revision; + u64 fine_grain_ctrl; + u64 step_size; + u64 low_speed_notification; +}; + +struct acpi_fan { + bool acpi4; + struct acpi_fan_fif fif; + struct acpi_fan_fps *fps; + int fps_count; + struct thermal_cooling_device *cdev; +}; + +static struct platform_driver acpi_fan_driver = { + .probe = acpi_fan_probe, + .remove = acpi_fan_remove, + .driver = { + .name = "acpi-fan", + .acpi_match_table = fan_device_ids, + .pm = FAN_PM_OPS_PTR, + }, }; /* thermal cooling device callbacks */ static int fan_get_max_state(struct thermal_cooling_device *cdev, unsigned long *state) { - /* ACPI fan device only support two states: ON/OFF */ - *state = 1; + struct acpi_device *device = cdev->devdata; + struct acpi_fan *fan = acpi_driver_data(device); + + if (fan->acpi4) + *state = fan->fps_count - 1; + else + *state = 1; return 0; } -static int fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long - *state) +static int fan_get_state_acpi4(struct acpi_device *device, unsigned long *state) +{ + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_fan *fan = acpi_driver_data(device); + union acpi_object *obj; + acpi_status status; + int control, i; + + status = acpi_evaluate_object(device->handle, "_FST", NULL, &buffer); + if (ACPI_FAILURE(status)) { + dev_err(&device->dev, "Get fan state failed\n"); + return status; + } + + obj = buffer.pointer; + if (!obj || obj->type != ACPI_TYPE_PACKAGE || + obj->package.count != 3 || + obj->package.elements[1].type != ACPI_TYPE_INTEGER) { + dev_err(&device->dev, "Invalid _FST data\n"); + status = -EINVAL; + goto err; + } + + control = obj->package.elements[1].integer.value; + for (i = 0; i < fan->fps_count; i++) { + if (control == fan->fps[i].control) + break; + } + if (i == fan->fps_count) { + dev_dbg(&device->dev, "Invalid control value returned\n"); + status = -EINVAL; + goto err; + } + + *state = i; + +err: + kfree(obj); + return status; +} + +static int fan_get_state(struct acpi_device *device, unsigned long *state) { - struct acpi_device *device = cdev->devdata; int result; int acpi_state = ACPI_STATE_D0; - if (!device) - return -EINVAL; - - result = acpi_bus_update_power(device->handle, &acpi_state); + result = acpi_device_update_power(device, &acpi_state); if (result) return result; @@ -103,20 +163,56 @@ static int fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long return 0; } +static int fan_get_cur_state(struct thermal_cooling_device *cdev, unsigned long + *state) +{ + struct acpi_device *device = cdev->devdata; + struct acpi_fan *fan = acpi_driver_data(device); + + if (fan->acpi4) + return fan_get_state_acpi4(device, state); + else + return fan_get_state(device, state); +} + +static int fan_set_state(struct acpi_device *device, unsigned long state) +{ + if (state != 0 && state != 1) + return -EINVAL; + + return acpi_device_set_power(device, + state ? ACPI_STATE_D0 : ACPI_STATE_D3_COLD); +} + +static int fan_set_state_acpi4(struct acpi_device *device, unsigned long state) +{ + struct acpi_fan *fan = acpi_driver_data(device); + acpi_status status; + + if (state >= fan->fps_count) + return -EINVAL; + + status = acpi_execute_simple_method(device->handle, "_FSL", + fan->fps[state].control); + if (ACPI_FAILURE(status)) { + dev_dbg(&device->dev, "Failed to set state by _FSL\n"); + return status; + } + + return 0; +} + static int fan_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state) { struct acpi_device *device = cdev->devdata; - int result; + struct acpi_fan *fan = acpi_driver_data(device); - if (!device || (state != 0 && state != 1)) - return -EINVAL; - - result = acpi_bus_set_power(device->handle, - state ? ACPI_STATE_D0 : ACPI_STATE_D3_COLD); - - return result; -} + if (fan->acpi4) + return fan_set_state_acpi4(device, state); + else + return fan_set_state(device, state); + } static const struct thermal_cooling_device_ops fan_cooling_ops = { .get_max_state = fan_get_max_state, @@ -129,21 +225,125 @@ static const struct thermal_cooling_device_ops fan_cooling_ops = { * -------------------------------------------------------------------------- */ -static int acpi_fan_add(struct acpi_device *device) +static bool acpi_fan_is_acpi4(struct acpi_device *device) +{ + return acpi_has_method(device->handle, "_FIF") && + acpi_has_method(device->handle, "_FPS") && + acpi_has_method(device->handle, "_FSL") && + acpi_has_method(device->handle, "_FST"); +} + +static int acpi_fan_get_fif(struct acpi_device *device) +{ + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_fan *fan = acpi_driver_data(device); + struct acpi_buffer format = { sizeof("NNNN"), "NNNN" }; + struct acpi_buffer fif = { sizeof(fan->fif), &fan->fif }; + union acpi_object *obj; + acpi_status status; + + status = acpi_evaluate_object(device->handle, "_FIF", NULL, &buffer); + if (ACPI_FAILURE(status)) + return status; + + obj = buffer.pointer; + if (!obj || obj->type != ACPI_TYPE_PACKAGE) { + dev_err(&device->dev, "Invalid _FIF data\n"); + status = -EINVAL; + goto err; + } + + status = acpi_extract_package(obj, &format, &fif); + if (ACPI_FAILURE(status)) { + dev_err(&device->dev, "Invalid _FIF element\n"); + status = -EINVAL; + } + +err: + kfree(obj); + return status; +} + +static int acpi_fan_speed_cmp(const void *a, const void *b) +{ + const struct acpi_fan_fps *fps1 = a; + const struct acpi_fan_fps *fps2 = b; + return fps1->speed - fps2->speed; +} + +static int acpi_fan_get_fps(struct acpi_device *device) +{ + struct acpi_fan *fan = acpi_driver_data(device); + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + acpi_status status; + int i; + + status = acpi_evaluate_object(device->handle, "_FPS", NULL, &buffer); + if (ACPI_FAILURE(status)) + return status; + + obj = buffer.pointer; + if (!obj || obj->type != ACPI_TYPE_PACKAGE || obj->package.count < 2) { + dev_err(&device->dev, "Invalid _FPS data\n"); + status = -EINVAL; + goto err; + } + + fan->fps_count = obj->package.count - 1; /* minus revision field */ + fan->fps = devm_kzalloc(&device->dev, + fan->fps_count * sizeof(struct acpi_fan_fps), + GFP_KERNEL); + if (!fan->fps) { + dev_err(&device->dev, "Not enough memory\n"); + status = -ENOMEM; + goto err; + } + for (i = 0; i < fan->fps_count; i++) { + struct acpi_buffer format = { sizeof("NNNNN"), "NNNNN" }; + struct acpi_buffer fps = { sizeof(fan->fps[i]), &fan->fps[i] }; + status = acpi_extract_package(&obj->package.elements[i + 1], + &format, &fps); + if (ACPI_FAILURE(status)) { + dev_err(&device->dev, "Invalid _FPS element\n"); + break; + } + } + + /* sort the state array according to fan speed in increase order */ + sort(fan->fps, fan->fps_count, sizeof(*fan->fps), + acpi_fan_speed_cmp, NULL); + +err: + kfree(obj); + return status; +} + +static int acpi_fan_probe(struct platform_device *pdev) { int result = 0; struct thermal_cooling_device *cdev; + struct acpi_fan *fan; + struct acpi_device *device = ACPI_COMPANION(&pdev->dev); - if (!device) - return -EINVAL; + fan = devm_kzalloc(&pdev->dev, sizeof(*fan), GFP_KERNEL); + if (!fan) { + dev_err(&device->dev, "No memory for fan\n"); + return -ENOMEM; + } + device->driver_data = fan; + platform_set_drvdata(pdev, fan); - strcpy(acpi_device_name(device), "Fan"); - strcpy(acpi_device_class(device), ACPI_FAN_CLASS); - - result = acpi_bus_update_power(device->handle, NULL); - if (result) { - dev_err(&device->dev, "Setting initial power state\n"); - goto end; + if (acpi_fan_is_acpi4(device)) { + if (acpi_fan_get_fif(device) || acpi_fan_get_fps(device)) + goto end; + fan->acpi4 = true; + } else { + result = acpi_device_update_power(device, NULL); + if (result) { + dev_err(&device->dev, "Setting initial power state\n"); + goto end; + } } cdev = thermal_cooling_device_register("Fan", device, @@ -153,44 +353,32 @@ static int acpi_fan_add(struct acpi_device *device) goto end; } - dev_dbg(&device->dev, "registered as cooling_device%d\n", cdev->id); + dev_dbg(&pdev->dev, "registered as cooling_device%d\n", cdev->id); - device->driver_data = cdev; - result = sysfs_create_link(&device->dev.kobj, + fan->cdev = cdev; + result = sysfs_create_link(&pdev->dev.kobj, &cdev->device.kobj, "thermal_cooling"); if (result) - dev_err(&device->dev, "Failed to create sysfs link " - "'thermal_cooling'\n"); + dev_err(&pdev->dev, "Failed to create sysfs link 'thermal_cooling'\n"); result = sysfs_create_link(&cdev->device.kobj, - &device->dev.kobj, + &pdev->dev.kobj, "device"); if (result) - dev_err(&device->dev, "Failed to create sysfs link 'device'\n"); - - dev_info(&device->dev, "ACPI: %s [%s] (%s)\n", - acpi_device_name(device), acpi_device_bid(device), - !device->power.state ? "on" : "off"); + dev_err(&pdev->dev, "Failed to create sysfs link 'device'\n"); end: return result; } -static int acpi_fan_remove(struct acpi_device *device) +static int acpi_fan_remove(struct platform_device *pdev) { - struct thermal_cooling_device *cdev; + struct acpi_fan *fan = platform_get_drvdata(pdev); - if (!device) - return -EINVAL; - - cdev = acpi_driver_data(device); - if (!cdev) - return -EINVAL; - - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); - sysfs_remove_link(&cdev->device.kobj, "device"); - thermal_cooling_device_unregister(cdev); + sysfs_remove_link(&pdev->dev.kobj, "thermal_cooling"); + sysfs_remove_link(&fan->cdev->device.kobj, "device"); + thermal_cooling_device_unregister(fan->cdev); return 0; } @@ -198,10 +386,11 @@ static int acpi_fan_remove(struct acpi_device *device) #ifdef CONFIG_PM_SLEEP static int acpi_fan_suspend(struct device *dev) { - if (!dev) - return -EINVAL; + struct acpi_fan *fan = dev_get_drvdata(dev); + if (fan->acpi4) + return 0; - acpi_bus_set_power(to_acpi_device(dev)->handle, ACPI_STATE_D0); + acpi_device_set_power(ACPI_COMPANION(dev), ACPI_STATE_D0); return AE_OK; } @@ -209,11 +398,12 @@ static int acpi_fan_suspend(struct device *dev) static int acpi_fan_resume(struct device *dev) { int result; + struct acpi_fan *fan = dev_get_drvdata(dev); - if (!dev) - return -EINVAL; + if (fan->acpi4) + return 0; - result = acpi_bus_update_power(to_acpi_device(dev)->handle, NULL); + result = acpi_device_update_power(ACPI_COMPANION(dev), NULL); if (result) dev_err(dev, "Error updating fan power state\n"); @@ -221,4 +411,4 @@ static int acpi_fan_resume(struct device *dev) } #endif -module_acpi_driver(acpi_fan_driver); +module_platform_driver(acpi_fan_driver); diff --git a/drivers/acpi/int340x_thermal.c b/drivers/acpi/int340x_thermal.c new file mode 100644 index 000000000000..a27d31d1ba24 --- /dev/null +++ b/drivers/acpi/int340x_thermal.c @@ -0,0 +1,51 @@ +/* + * ACPI support for int340x thermal drivers + * + * Copyright (C) 2014, Intel Corporation + * Authors: Zhang Rui + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include + +#include "internal.h" + +#define DO_ENUMERATION 0x01 +static const struct acpi_device_id int340x_thermal_device_ids[] = { + {"INT3400", DO_ENUMERATION }, + {"INT3401"}, + {"INT3402"}, + {"INT3403"}, + {"INT3404"}, + {"INT3406"}, + {"INT3407"}, + {"INT3408"}, + {"INT3409"}, + {"INT340A"}, + {"INT340B"}, + {""}, +}; + +static int int340x_thermal_handler_attach(struct acpi_device *adev, + const struct acpi_device_id *id) +{ +#if defined(CONFIG_INT340X_THERMAL) || defined(CONFIG_INT340X_THERMAL_MODULE) + if (id->driver_data == DO_ENUMERATION) + acpi_create_platform_device(adev); +#endif + return 1; +} + +static struct acpi_scan_handler int340x_thermal_handler = { + .ids = int340x_thermal_device_ids, + .attach = int340x_thermal_handler_attach, +}; + +void __init acpi_int340x_thermal_init(void) +{ + acpi_scan_add_handler(&int340x_thermal_handler); +} diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 4c5cf77e7576..447f6d679b29 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -31,6 +31,7 @@ void acpi_pci_link_init(void); void acpi_processor_init(void); void acpi_platform_init(void); void acpi_pnp_init(void); +void acpi_int340x_thermal_init(void); int acpi_sysfs_init(void); void acpi_container_init(void); void acpi_memory_hotplug_init(void); @@ -103,8 +104,6 @@ int acpi_power_get_inferred_state(struct acpi_device *device, int *state); int acpi_power_on_resources(struct acpi_device *device, int state); int acpi_power_transition(struct acpi_device *device, int state); -int acpi_device_update_power(struct acpi_device *device, int *state_p); - int acpi_wakeup_device_init(void); #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC @@ -167,13 +166,6 @@ static inline int suspend_nvs_save(void) { return 0; } static inline void suspend_nvs_restore(void) {} #endif -/*-------------------------------------------------------------------------- - Platform bus support - -------------------------------------------------------------------------- */ -struct platform_device; - -struct platform_device *acpi_create_platform_device(struct acpi_device *adev); - /*-------------------------------------------------------------------------- Video -------------------------------------------------------------------------- */ diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index cd4de7e038ea..c6bcb8c719d8 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -525,6 +526,7 @@ static int acpi_pci_root_add(struct acpi_device *device, struct acpi_pci_root *root; acpi_handle handle = device->handle; int no_aspm = 0, clear_aspm = 0; + bool hotadd = system_state != SYSTEM_BOOTING; root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL); if (!root) @@ -571,6 +573,11 @@ static int acpi_pci_root_add(struct acpi_device *device, strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS); device->driver_data = root; + if (hotadd && dmar_device_add(handle)) { + result = -ENXIO; + goto end; + } + pr_info(PREFIX "%s [%s] (domain %04x %pR)\n", acpi_device_name(device), acpi_device_bid(device), root->segment, &root->secondary); @@ -597,7 +604,7 @@ static int acpi_pci_root_add(struct acpi_device *device, root->segment, (unsigned int)root->secondary.start); device->driver_data = NULL; result = -ENODEV; - goto end; + goto remove_dmar; } if (clear_aspm) { @@ -611,7 +618,7 @@ static int acpi_pci_root_add(struct acpi_device *device, if (device->wakeup.flags.run_wake) device_set_run_wake(root->bus->bridge, true); - if (system_state != SYSTEM_BOOTING) { + if (hotadd) { pcibios_resource_survey_bus(root->bus); pci_assign_unassigned_root_bus_resources(root->bus); } @@ -621,6 +628,9 @@ static int acpi_pci_root_add(struct acpi_device *device, pci_unlock_rescan_remove(); return 1; +remove_dmar: + if (hotadd) + dmar_device_remove(handle); end: kfree(root); return result; @@ -639,6 +649,8 @@ static void acpi_pci_root_remove(struct acpi_device *device) pci_remove_root_bus(root->bus); + dmar_device_remove(device->handle); + pci_unlock_rescan_remove(); kfree(root); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index ae44d8654c82..0476e90b2091 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -141,6 +141,53 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias, return len; } +/* + * acpi_companion_match() - Can we match via ACPI companion device + * @dev: Device in question + * + * Check if the given device has an ACPI companion and if that companion has + * a valid list of PNP IDs, and if the device is the first (primary) physical + * device associated with it. + * + * If multiple physical devices are attached to a single ACPI companion, we need + * to be careful. The usage scenario for this kind of relationship is that all + * of the physical devices in question use resources provided by the ACPI + * companion. A typical case is an MFD device where all the sub-devices share + * the parent's ACPI companion. In such cases we can only allow the primary + * (first) physical device to be matched with the help of the companion's PNP + * IDs. + * + * Additional physical devices sharing the ACPI companion can still use + * resources available from it but they will be matched normally using functions + * provided by their bus types (and analogously for their modalias). + */ +static bool acpi_companion_match(const struct device *dev) +{ + struct acpi_device *adev; + bool ret; + + adev = ACPI_COMPANION(dev); + if (!adev) + return false; + + if (list_empty(&adev->pnp.ids)) + return false; + + mutex_lock(&adev->physical_node_lock); + if (list_empty(&adev->physical_node_list)) { + ret = false; + } else { + const struct acpi_device_physical_node *node; + + node = list_first_entry(&adev->physical_node_list, + struct acpi_device_physical_node, node); + ret = node->dev == dev; + } + mutex_unlock(&adev->physical_node_lock); + + return ret; +} + /* * Creates uevent modalias field for ACPI enumerated devices. * Because the other buses does not support ACPI HIDs & CIDs. @@ -149,20 +196,14 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias, */ int acpi_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env) { - struct acpi_device *acpi_dev; int len; - acpi_dev = ACPI_COMPANION(dev); - if (!acpi_dev) - return -ENODEV; - - /* Fall back to bus specific way of modalias exporting */ - if (list_empty(&acpi_dev->pnp.ids)) + if (!acpi_companion_match(dev)) return -ENODEV; if (add_uevent_var(env, "MODALIAS=")) return -ENOMEM; - len = create_modalias(acpi_dev, &env->buf[env->buflen - 1], + len = create_modalias(ACPI_COMPANION(dev), &env->buf[env->buflen - 1], sizeof(env->buf) - env->buflen); if (len <= 0) return len; @@ -179,18 +220,12 @@ EXPORT_SYMBOL_GPL(acpi_device_uevent_modalias); */ int acpi_device_modalias(struct device *dev, char *buf, int size) { - struct acpi_device *acpi_dev; int len; - acpi_dev = ACPI_COMPANION(dev); - if (!acpi_dev) + if (!acpi_companion_match(dev)) return -ENODEV; - /* Fall back to bus specific way of modalias exporting */ - if (list_empty(&acpi_dev->pnp.ids)) - return -ENODEV; - - len = create_modalias(acpi_dev, buf, size -1); + len = create_modalias(ACPI_COMPANION(dev), buf, size -1); if (len <= 0) return len; buf[len++] = '\n'; @@ -853,6 +888,9 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, if (!ids || !handle || acpi_bus_get_device(handle, &adev)) return NULL; + if (!acpi_companion_match(dev)) + return NULL; + return __acpi_match_device(adev, ids); } EXPORT_SYMBOL_GPL(acpi_match_device); @@ -1470,7 +1508,7 @@ static void acpi_wakeup_gpe_init(struct acpi_device *device) if (ACPI_FAILURE(status)) return; - wakeup->flags.run_wake = !!(event_status & ACPI_EVENT_FLAG_HANDLE); + wakeup->flags.run_wake = !!(event_status & ACPI_EVENT_FLAG_HAS_HANDLER); } static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device) @@ -2315,6 +2353,7 @@ int __init acpi_scan_init(void) acpi_container_init(); acpi_memory_hotplug_init(); acpi_pnp_init(); + acpi_int340x_thermal_init(); mutex_lock(&acpi_scan_lock); /* diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 38cb9782d4b8..13e577c80201 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -537,7 +537,7 @@ static ssize_t counter_show(struct kobject *kobj, if (result) goto end; - if (!(status & ACPI_EVENT_FLAG_HANDLE)) + if (!(status & ACPI_EVENT_FLAG_HAS_HANDLER)) size += sprintf(buf + size, " invalid"); else if (status & ACPI_EVENT_FLAG_ENABLED) size += sprintf(buf + size, " enabled"); @@ -581,7 +581,7 @@ static ssize_t counter_set(struct kobject *kobj, if (result) goto end; - if (!(status & ACPI_EVENT_FLAG_HANDLE)) { + if (!(status & ACPI_EVENT_FLAG_HAS_HANDLER)) { printk(KERN_WARNING PREFIX "Can not change Invalid GPE/Fixed Event status\n"); return -EINVAL; diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 112817e963e0..d24fa1964eb8 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -528,7 +528,6 @@ static void acpi_thermal_check(void *data) } /* sys I/F for generic thermal sysfs support */ -#define KELVIN_TO_MILLICELSIUS(t, off) (((t) - (off)) * 100) static int thermal_get_temp(struct thermal_zone_device *thermal, unsigned long *temp) @@ -543,7 +542,8 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, if (result) return result; - *temp = KELVIN_TO_MILLICELSIUS(tz->temperature, tz->kelvin_offset); + *temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(tz->temperature, + tz->kelvin_offset); return 0; } @@ -647,7 +647,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, if (tz->trips.critical.flags.valid) { if (!trip) { - *temp = KELVIN_TO_MILLICELSIUS( + *temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET( tz->trips.critical.temperature, tz->kelvin_offset); return 0; @@ -657,7 +657,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, if (tz->trips.hot.flags.valid) { if (!trip) { - *temp = KELVIN_TO_MILLICELSIUS( + *temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET( tz->trips.hot.temperature, tz->kelvin_offset); return 0; @@ -667,7 +667,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, if (tz->trips.passive.flags.valid) { if (!trip) { - *temp = KELVIN_TO_MILLICELSIUS( + *temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET( tz->trips.passive.temperature, tz->kelvin_offset); return 0; @@ -678,7 +678,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid; i++) { if (!trip) { - *temp = KELVIN_TO_MILLICELSIUS( + *temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET( tz->trips.active[i].temperature, tz->kelvin_offset); return 0; @@ -694,7 +694,7 @@ static int thermal_get_crit_temp(struct thermal_zone_device *thermal, struct acpi_thermal *tz = thermal->devdata; if (tz->trips.critical.flags.valid) { - *temperature = KELVIN_TO_MILLICELSIUS( + *temperature = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET( tz->trips.critical.temperature, tz->kelvin_offset); return 0; @@ -714,8 +714,8 @@ static int thermal_get_trend(struct thermal_zone_device *thermal, if (type == THERMAL_TRIP_ACTIVE) { unsigned long trip_temp; - unsigned long temp = KELVIN_TO_MILLICELSIUS(tz->temperature, - tz->kelvin_offset); + unsigned long temp = DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET( + tz->temperature, tz->kelvin_offset); if (thermal_get_trip_temp(thermal, trip, &trip_temp)) return -EINVAL; diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 834f35c4bf8d..371ac12d25b1 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -149,6 +149,21 @@ acpi_extract_package(union acpi_object *package, break; } break; + case ACPI_TYPE_LOCAL_REFERENCE: + switch (format_string[i]) { + case 'R': + size_required += sizeof(void *); + tail_offset += sizeof(void *); + break; + default: + printk(KERN_WARNING PREFIX "Invalid package element" + " [%d] got reference," + " expecting [%c]\n", + i, format_string[i]); + return AE_BAD_DATA; + break; + } + break; case ACPI_TYPE_PACKAGE: default: @@ -247,7 +262,18 @@ acpi_extract_package(union acpi_object *package, break; } break; - + case ACPI_TYPE_LOCAL_REFERENCE: + switch (format_string[i]) { + case 'R': + *(void **)head = + (void *)element->reference.handle; + head += sizeof(void *); + break; + default: + /* Should never get here */ + break; + } + break; case ACPI_TYPE_PACKAGE: /* TBD: handle nested packages... */ default: diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 5f039f191067..e45f83789809 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -60,6 +60,7 @@ enum board_ids { /* board IDs by feature in alphabetical order */ board_ahci, board_ahci_ign_iferr, + board_ahci_nomsi, board_ahci_noncq, board_ahci_nosntf, board_ahci_yes_fbs, @@ -121,6 +122,13 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, + [board_ahci_nomsi] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_MSI), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, [board_ahci_noncq] = { AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ), .flags = AHCI_FLAG_COMMON, @@ -313,6 +321,11 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */ { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */ { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */ + { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */ /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, @@ -475,10 +488,10 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */ /* - * Samsung SSDs found on some macbooks. NCQ times out. - * https://bugzilla.kernel.org/show_bug.cgi?id=60731 + * Samsung SSDs found on some macbooks. NCQ times out if MSI is + * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731 */ - { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_noncq }, + { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi }, /* Enmotus */ { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, @@ -514,12 +527,9 @@ MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)"); static void ahci_pci_save_initial_config(struct pci_dev *pdev, struct ahci_host_priv *hpriv) { - unsigned int force_port_map = 0; - unsigned int mask_port_map = 0; - if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) { dev_info(&pdev->dev, "JMB361 has only one port\n"); - force_port_map = 1; + hpriv->force_port_map = 1; } /* @@ -529,9 +539,9 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev, */ if (hpriv->flags & AHCI_HFLAG_MV_PATA) { if (pdev->device == 0x6121) - mask_port_map = 0x3; + hpriv->mask_port_map = 0x3; else - mask_port_map = 0xf; + hpriv->mask_port_map = 0xf; dev_info(&pdev->dev, "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n"); } diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 5eb61c9e63da..97683e45ab04 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1778,16 +1778,15 @@ static void ahci_handle_port_interrupt(struct ata_port *ap, } } -static void ahci_update_intr_status(struct ata_port *ap) +static void ahci_port_intr(struct ata_port *ap) { void __iomem *port_mmio = ahci_port_base(ap); - struct ahci_port_priv *pp = ap->private_data; u32 status; status = readl(port_mmio + PORT_IRQ_STAT); writel(status, port_mmio + PORT_IRQ_STAT); - atomic_or(status, &pp->intr_status); + ahci_handle_port_interrupt(ap, port_mmio, status); } static irqreturn_t ahci_port_thread_fn(int irq, void *dev_instance) @@ -1808,34 +1807,6 @@ static irqreturn_t ahci_port_thread_fn(int irq, void *dev_instance) return IRQ_HANDLED; } -irqreturn_t ahci_thread_fn(int irq, void *dev_instance) -{ - struct ata_host *host = dev_instance; - struct ahci_host_priv *hpriv = host->private_data; - u32 irq_masked = hpriv->port_map; - unsigned int i; - - for (i = 0; i < host->n_ports; i++) { - struct ata_port *ap; - - if (!(irq_masked & (1 << i))) - continue; - - ap = host->ports[i]; - if (ap) { - ahci_port_thread_fn(irq, ap); - VPRINTK("port %u\n", i); - } else { - VPRINTK("port %u (no irq)\n", i); - if (ata_ratelimit()) - dev_warn(host->dev, - "interrupt on disabled port %u\n", i); - } - } - - return IRQ_HANDLED; -} - static irqreturn_t ahci_multi_irqs_intr(int irq, void *dev_instance) { struct ata_port *ap = dev_instance; @@ -1875,6 +1846,8 @@ static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance) irq_masked = irq_stat & hpriv->port_map; + spin_lock(&host->lock); + for (i = 0; i < host->n_ports; i++) { struct ata_port *ap; @@ -1883,7 +1856,7 @@ static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance) ap = host->ports[i]; if (ap) { - ahci_update_intr_status(ap); + ahci_port_intr(ap); VPRINTK("port %u\n", i); } else { VPRINTK("port %u (no irq)\n", i); @@ -1906,9 +1879,11 @@ static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance) */ writel(irq_stat, mmio + HOST_IRQ_STAT); + spin_unlock(&host->lock); + VPRINTK("EXIT\n"); - return handled ? IRQ_WAKE_THREAD : IRQ_NONE; + return IRQ_RETVAL(handled); } unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) @@ -2320,8 +2295,13 @@ static int ahci_port_start(struct ata_port *ap) */ pp->intr_mask = DEF_PORT_IRQ; - spin_lock_init(&pp->lock); - ap->lock = &pp->lock; + /* + * Switch to per-port locking in case each port has its own MSI vector. + */ + if ((hpriv->flags & AHCI_HFLAG_MULTI_MSI)) { + spin_lock_init(&pp->lock); + ap->lock = &pp->lock; + } ap->private_data = pp; @@ -2482,31 +2462,6 @@ static int ahci_host_activate_multi_irqs(struct ata_host *host, int irq, return rc; } -static int ahci_host_activate_single_irq(struct ata_host *host, int irq, - struct scsi_host_template *sht) -{ - int i, rc; - - rc = ata_host_start(host); - if (rc) - return rc; - - rc = devm_request_threaded_irq(host->dev, irq, ahci_single_irq_intr, - ahci_thread_fn, IRQF_SHARED, - dev_driver_string(host->dev), host); - if (rc) - return rc; - - for (i = 0; i < host->n_ports; i++) - ata_port_desc(host->ports[i], "irq %d", irq); - - rc = ata_host_register(host, sht); - if (rc) - devm_free_irq(host->dev, irq, host); - - return rc; -} - /** * ahci_host_activate - start AHCI host, request IRQs and register it * @host: target ATA host @@ -2532,7 +2487,8 @@ int ahci_host_activate(struct ata_host *host, int irq, if (hpriv->flags & AHCI_HFLAG_MULTI_MSI) rc = ahci_host_activate_multi_irqs(host, irq, sht); else - rc = ahci_host_activate_single_irq(host, irq, sht); + rc = ata_host_activate(host, irq, ahci_single_irq_intr, + IRQF_SHARED, sht); return rc; } EXPORT_SYMBOL_GPL(ahci_host_activate); diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 61eb6d77dac7..ea1fbc1d4c5f 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -146,6 +146,7 @@ enum sata_rcar_type { RCAR_GEN1_SATA, RCAR_GEN2_SATA, + RCAR_R8A7790_ES1_SATA, }; struct sata_rcar_priv { @@ -763,6 +764,9 @@ static void sata_rcar_setup_port(struct ata_host *host) ap->udma_mask = ATA_UDMA6; ap->flags |= ATA_FLAG_SATA; + if (priv->type == RCAR_R8A7790_ES1_SATA) + ap->flags |= ATA_FLAG_NO_DIPM; + ioaddr->cmd_addr = base + SDATA_REG; ioaddr->ctl_addr = base + SSDEVCON_REG; ioaddr->scr_addr = base + SCRSSTS_REG; @@ -792,6 +796,7 @@ static void sata_rcar_init_controller(struct ata_host *host) sata_rcar_gen1_phy_init(priv); break; case RCAR_GEN2_SATA: + case RCAR_R8A7790_ES1_SATA: sata_rcar_gen2_phy_init(priv); break; default: @@ -837,10 +842,18 @@ static struct of_device_id sata_rcar_match[] = { .compatible = "renesas,sata-r8a7790", .data = (void *)RCAR_GEN2_SATA }, + { + .compatible = "renesas,sata-r8a7790-es1", + .data = (void *)RCAR_R8A7790_ES1_SATA + }, { .compatible = "renesas,sata-r8a7791", .data = (void *)RCAR_GEN2_SATA }, + { + .compatible = "renesas,sata-r8a7793", + .data = (void *)RCAR_GEN2_SATA + }, { }, }; MODULE_DEVICE_TABLE(of, sata_rcar_match); @@ -849,7 +862,9 @@ static const struct platform_device_id sata_rcar_id_table[] = { { "sata_rcar", RCAR_GEN1_SATA }, /* Deprecated by "sata-r8a7779" */ { "sata-r8a7779", RCAR_GEN1_SATA }, { "sata-r8a7790", RCAR_GEN2_SATA }, + { "sata-r8a7790-es1", RCAR_R8A7790_ES1_SATA }, { "sata-r8a7791", RCAR_GEN2_SATA }, + { "sata-r8a7793", RCAR_GEN2_SATA }, { }, }; MODULE_DEVICE_TABLE(platform, sata_rcar_id_table); diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index 61a33f4ba608..df04227d00cf 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -171,20 +171,23 @@ config WANT_DEV_COREDUMP Drivers should "select" this option if they desire to use the device coredump mechanism. -config DISABLE_DEV_COREDUMP - bool "Disable device coredump" if EXPERT +config ALLOW_DEV_COREDUMP + bool "Allow device coredump" if EXPERT + default y help - Disable the device coredump mechanism despite drivers wanting to - use it; this allows for more sensitive systems or systems that - don't want to ever access the information to not have the code, - nor keep any data. + This option controls if the device coredump mechanism is available or + not; if disabled, the mechanism will be omitted even if drivers that + can use it are enabled. + Say 'N' for more sensitive systems or systems that don't want + to ever access the information to not have the code, nor keep any + data. - If unsure, say N. + If unsure, say Y. config DEV_COREDUMP bool default y if WANT_DEV_COREDUMP - depends on !DISABLE_DEV_COREDUMP + depends on ALLOW_DEV_COREDUMP config DEBUG_DRIVER bool "Driver Core verbose debug messages" diff --git a/drivers/base/core.c b/drivers/base/core.c index 14d162952c3b..842d04707de6 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -724,12 +724,12 @@ class_dir_create_and_add(struct class *class, struct kobject *parent_kobj) return &dir->kobj; } +static DEFINE_MUTEX(gdp_mutex); static struct kobject *get_device_parent(struct device *dev, struct device *parent) { if (dev->class) { - static DEFINE_MUTEX(gdp_mutex); struct kobject *kobj = NULL; struct kobject *parent_kobj; struct kobject *k; @@ -793,7 +793,9 @@ static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir) glue_dir->kset != &dev->class->p->glue_dirs) return; + mutex_lock(&gdp_mutex); kobject_put(glue_dir); + mutex_unlock(&gdp_mutex); } static void cleanup_device_parent(struct device *dev) diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c index 473ff4892401..950fff9ce453 100644 --- a/drivers/base/dma-contiguous.c +++ b/drivers/base/dma-contiguous.c @@ -223,9 +223,10 @@ bool dma_release_from_contiguous(struct device *dev, struct page *pages, #undef pr_fmt #define pr_fmt(fmt) fmt -static void rmem_cma_device_init(struct reserved_mem *rmem, struct device *dev) +static int rmem_cma_device_init(struct reserved_mem *rmem, struct device *dev) { dev_set_cma_area(dev, rmem->priv); + return 0; } static void rmem_cma_device_release(struct reserved_mem *rmem, diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 40bc2f4072cc..fb83d4acd400 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -361,9 +361,19 @@ static int __pm_genpd_save_device(struct pm_domain_data *pdd, struct device *dev = pdd->dev; int ret = 0; - if (gpd_data->need_restore) + if (gpd_data->need_restore > 0) return 0; + /* + * If the value of the need_restore flag is still unknown at this point, + * we trust that pm_genpd_poweroff() has verified that the device is + * already runtime PM suspended. + */ + if (gpd_data->need_restore < 0) { + gpd_data->need_restore = 1; + return 0; + } + mutex_unlock(&genpd->lock); genpd_start_dev(genpd, dev); @@ -373,7 +383,7 @@ static int __pm_genpd_save_device(struct pm_domain_data *pdd, mutex_lock(&genpd->lock); if (!ret) - gpd_data->need_restore = true; + gpd_data->need_restore = 1; return ret; } @@ -389,12 +399,17 @@ static void __pm_genpd_restore_device(struct pm_domain_data *pdd, { struct generic_pm_domain_data *gpd_data = to_gpd_data(pdd); struct device *dev = pdd->dev; - bool need_restore = gpd_data->need_restore; + int need_restore = gpd_data->need_restore; - gpd_data->need_restore = false; + gpd_data->need_restore = 0; mutex_unlock(&genpd->lock); genpd_start_dev(genpd, dev); + + /* + * Call genpd_restore_dev() for recently added devices too (need_restore + * is negative then). + */ if (need_restore) genpd_restore_dev(genpd, dev); @@ -603,6 +618,7 @@ static void genpd_power_off_work_fn(struct work_struct *work) static int pm_genpd_runtime_suspend(struct device *dev) { struct generic_pm_domain *genpd; + struct generic_pm_domain_data *gpd_data; bool (*stop_ok)(struct device *__dev); int ret; @@ -628,6 +644,16 @@ static int pm_genpd_runtime_suspend(struct device *dev) return 0; mutex_lock(&genpd->lock); + + /* + * If we have an unknown state of the need_restore flag, it means none + * of the runtime PM callbacks has been invoked yet. Let's update the + * flag to reflect that the current state is active. + */ + gpd_data = to_gpd_data(dev->power.subsys_data->domain_data); + if (gpd_data->need_restore < 0) + gpd_data->need_restore = 0; + genpd->in_progress++; pm_genpd_poweroff(genpd); genpd->in_progress--; @@ -1437,12 +1463,12 @@ int __pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev, spin_unlock_irq(&dev->power.lock); if (genpd->attach_dev) - genpd->attach_dev(dev); + genpd->attach_dev(genpd, dev); mutex_lock(&gpd_data->lock); gpd_data->base.dev = dev; list_add_tail(&gpd_data->base.list_node, &genpd->dev_list); - gpd_data->need_restore = genpd->status == GPD_STATE_POWER_OFF; + gpd_data->need_restore = -1; gpd_data->td.constraint_changed = true; gpd_data->td.effective_constraint_ns = -1; mutex_unlock(&gpd_data->lock); @@ -1499,7 +1525,7 @@ int pm_genpd_remove_device(struct generic_pm_domain *genpd, genpd->max_off_time_changed = true; if (genpd->detach_dev) - genpd->detach_dev(dev); + genpd->detach_dev(genpd, dev); spin_lock_irq(&dev->power.lock); @@ -1546,7 +1572,7 @@ void pm_genpd_dev_need_restore(struct device *dev, bool val) psd = dev_to_psd(dev); if (psd && psd->domain_data) - to_gpd_data(psd->domain_data)->need_restore = val; + to_gpd_data(psd->domain_data)->need_restore = val ? 1 : 0; spin_unlock_irqrestore(&dev->power.lock, flags); } diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 44973196d3fd..9717d5f20139 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1266,6 +1266,8 @@ int dpm_suspend_late(pm_message_t state) } mutex_unlock(&dpm_list_mtx); async_synchronize_full(); + if (!error) + error = async_error; if (error) { suspend_stats.failed_suspend_late++; dpm_save_failed_step(SUSPEND_SUSPEND_LATE); diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c index 1e5ac0a79696..cd9161a8b3a1 100644 --- a/drivers/bcma/host_pci.c +++ b/drivers/bcma/host_pci.c @@ -275,7 +275,7 @@ static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bcma_host_pci_suspend, static const struct pci_device_id bcma_pci_bridge_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) }, /* 0xa8d8 */ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, @@ -285,7 +285,8 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, - { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xA8DB */ + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */ + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */ { 0, }, }; MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl); diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index d1656c2f70af..1000955ce09d 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -132,7 +132,7 @@ static bool bcma_is_core_needed_early(u16 core_id) return false; } -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && defined(CONFIG_OF_ADDRESS) static struct device_node *bcma_of_find_child_device(struct platform_device *parent, struct bcma_device *core) { diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 2671a3f02f0c..8001e812018b 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -450,14 +450,10 @@ static int init_driver_queues(struct nullb *nullb) ret = setup_commands(nq); if (ret) - goto err_queue; + return ret; nullb->nr_queues++; } - return 0; -err_queue: - cleanup_queues(nullb); - return ret; } static int null_add_dev(void) @@ -507,7 +503,9 @@ static int null_add_dev(void) goto out_cleanup_queues; } blk_queue_make_request(nullb->q, null_queue_bio); - init_driver_queues(nullb); + rv = init_driver_queues(nullb); + if (rv) + goto out_cleanup_blk_queue; } else { nullb->q = blk_init_queue_node(null_request_fn, &nullb->lock, home_node); if (!nullb->q) { @@ -516,7 +514,9 @@ static int null_add_dev(void) } blk_queue_prep_rq(nullb->q, null_rq_prep_fn); blk_queue_softirq_done(nullb->q, null_softirq_done_fn); - init_driver_queues(nullb); + rv = init_driver_queues(nullb); + if (rv) + goto out_cleanup_blk_queue; } nullb->q->queuedata = nullb; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 0a54c588e433..27b71a0b72d0 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -342,7 +342,6 @@ struct rbd_device { struct list_head rq_queue; /* incoming rq queue */ spinlock_t lock; /* queue, flags, open_count */ - struct workqueue_struct *rq_wq; struct work_struct rq_work; struct rbd_image_header header; @@ -402,6 +401,8 @@ static struct kmem_cache *rbd_segment_name_cache; static int rbd_major; static DEFINE_IDA(rbd_dev_id_ida); +static struct workqueue_struct *rbd_wq; + /* * Default to false for now, as single-major requires >= 0.75 version of * userspace rbd utility. @@ -3452,7 +3453,7 @@ static void rbd_request_fn(struct request_queue *q) } if (queued) - queue_work(rbd_dev->rq_wq, &rbd_dev->rq_work); + queue_work(rbd_wq, &rbd_dev->rq_work); } /* @@ -3532,7 +3533,7 @@ static int rbd_obj_read_sync(struct rbd_device *rbd_dev, page_count = (u32) calc_pages_for(offset, length); pages = ceph_alloc_page_vector(page_count, GFP_KERNEL); if (IS_ERR(pages)) - ret = PTR_ERR(pages); + return PTR_ERR(pages); ret = -ENOMEM; obj_request = rbd_obj_request_create(object_name, offset, length, @@ -5242,16 +5243,9 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE); set_disk_ro(rbd_dev->disk, rbd_dev->mapping.read_only); - rbd_dev->rq_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, - rbd_dev->disk->disk_name); - if (!rbd_dev->rq_wq) { - ret = -ENOMEM; - goto err_out_mapping; - } - ret = rbd_bus_add_dev(rbd_dev); if (ret) - goto err_out_workqueue; + goto err_out_mapping; /* Everything's ready. Announce the disk to the world. */ @@ -5263,9 +5257,6 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) return ret; -err_out_workqueue: - destroy_workqueue(rbd_dev->rq_wq); - rbd_dev->rq_wq = NULL; err_out_mapping: rbd_dev_mapping_clear(rbd_dev); err_out_disk: @@ -5512,7 +5503,6 @@ static void rbd_dev_device_release(struct device *dev) { struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); - destroy_workqueue(rbd_dev->rq_wq); rbd_free_disk(rbd_dev); clear_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags); rbd_dev_mapping_clear(rbd_dev); @@ -5716,11 +5706,21 @@ static int __init rbd_init(void) if (rc) return rc; + /* + * The number of active work items is limited by the number of + * rbd devices, so leave @max_active at default. + */ + rbd_wq = alloc_workqueue(RBD_DRV_NAME, WQ_MEM_RECLAIM, 0); + if (!rbd_wq) { + rc = -ENOMEM; + goto err_out_slab; + } + if (single_major) { rbd_major = register_blkdev(0, RBD_DRV_NAME); if (rbd_major < 0) { rc = rbd_major; - goto err_out_slab; + goto err_out_wq; } } @@ -5738,6 +5738,8 @@ static int __init rbd_init(void) err_out_blkdev: if (single_major) unregister_blkdev(rbd_major, RBD_DRV_NAME); +err_out_wq: + destroy_workqueue(rbd_wq); err_out_slab: rbd_slab_exit(); return rc; @@ -5749,6 +5751,7 @@ static void __exit rbd_exit(void) rbd_sysfs_cleanup(); if (single_major) unregister_blkdev(rbd_major, RBD_DRV_NAME); + destroy_workqueue(rbd_wq); rbd_slab_exit(); } diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 756b8ec00f16..0ebadf93b6c5 100644 --- a/drivers/block/sunvdc.c +++ b/drivers/block/sunvdc.c @@ -69,8 +69,6 @@ struct vdc_port { u8 vdisk_mtype; char disk_name[32]; - - struct vio_disk_vtoc label; }; static inline struct vdc_port *to_vdc_port(struct vio_driver_state *vio) @@ -710,13 +708,6 @@ static int probe_disk(struct vdc_port *port) if (comp.err) return comp.err; - err = generic_request(port, VD_OP_GET_VTOC, - &port->label, sizeof(port->label)); - if (err < 0) { - printk(KERN_ERR PFX "VD_OP_GET_VTOC returns error %d\n", err); - return err; - } - if (vdc_version_supported(port, 1, 1)) { /* vdisk_size should be set during the handshake, if it wasn't * then the underlying disk is reserved by another system diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 0e63e8aa8279..3920ee45aa59 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -99,11 +99,12 @@ static ssize_t mem_used_total_show(struct device *dev, { u64 val = 0; struct zram *zram = dev_to_zram(dev); - struct zram_meta *meta = zram->meta; down_read(&zram->init_lock); - if (init_done(zram)) + if (init_done(zram)) { + struct zram_meta *meta = zram->meta; val = zs_get_total_pages(meta->mem_pool); + } up_read(&zram->init_lock); return scnprintf(buf, PAGE_SIZE, "%llu\n", val << PAGE_SHIFT); @@ -173,16 +174,17 @@ static ssize_t mem_used_max_store(struct device *dev, int err; unsigned long val; struct zram *zram = dev_to_zram(dev); - struct zram_meta *meta = zram->meta; err = kstrtoul(buf, 10, &val); if (err || val != 0) return -EINVAL; down_read(&zram->init_lock); - if (init_done(zram)) + if (init_done(zram)) { + struct zram_meta *meta = zram->meta; atomic_long_set(&zram->stats.max_used_pages, zs_get_total_pages(meta->mem_pool)); + } up_read(&zram->init_lock); return len; @@ -558,7 +560,8 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, } if (page_zero_filled(uncmem)) { - kunmap_atomic(user_mem); + if (user_mem) + kunmap_atomic(user_mem); /* Free memory associated with this sector now. */ bit_spin_lock(ZRAM_ACCESS, &meta->table[index].value); zram_free_page(zram, index); diff --git a/drivers/char/hw_random/pseries-rng.c b/drivers/char/hw_random/pseries-rng.c index 6226aa08c36a..bcf86f91800a 100644 --- a/drivers/char/hw_random/pseries-rng.c +++ b/drivers/char/hw_random/pseries-rng.c @@ -25,18 +25,21 @@ #include -static int pseries_rng_data_read(struct hwrng *rng, u32 *data) +static int pseries_rng_read(struct hwrng *rng, void *data, size_t max, bool wait) { + u64 buffer[PLPAR_HCALL_BUFSIZE]; + size_t size = max < 8 ? max : 8; int rc; - rc = plpar_hcall(H_RANDOM, (unsigned long *)data); + rc = plpar_hcall(H_RANDOM, (unsigned long *)buffer); if (rc != H_SUCCESS) { pr_err_ratelimited("H_RANDOM call failed %d\n", rc); return -EIO; } + memcpy(data, buffer, size); /* The hypervisor interface returns 64 bits */ - return 8; + return size; } /** @@ -55,7 +58,7 @@ static unsigned long pseries_rng_get_desired_dma(struct vio_dev *vdev) static struct hwrng pseries_rng = { .name = KBUILD_MODNAME, - .data_read = pseries_rng_data_read, + .read = pseries_rng_read, }; static int __init pseries_rng_probe(struct vio_dev *dev, diff --git a/drivers/char/random.c b/drivers/char/random.c index 82759cef9043..04645c09fe5e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1106,7 +1106,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out) __mix_pool_bytes(r, hash.w, sizeof(hash.w)); spin_unlock_irqrestore(&r->lock, flags); - memset(workspace, 0, sizeof(workspace)); + memzero_explicit(workspace, sizeof(workspace)); /* * In case the hash function has some recognizable output @@ -1118,7 +1118,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out) hash.w[2] ^= rol32(hash.w[2], 16); memcpy(out, &hash, EXTRACT_SIZE); - memset(&hash, 0, sizeof(hash)); + memzero_explicit(&hash, sizeof(hash)); } /* @@ -1175,7 +1175,7 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, } /* Wipe data just returned from memory */ - memset(tmp, 0, sizeof(tmp)); + memzero_explicit(tmp, sizeof(tmp)); return ret; } @@ -1218,7 +1218,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf, } /* Wipe data just returned from memory */ - memset(tmp, 0, sizeof(tmp)); + memzero_explicit(tmp, sizeof(tmp)); return ret; } diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 0102dc788608..a24891b97547 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -285,7 +285,7 @@ static long raw_ctl_compat_ioctl(struct file *file, unsigned int cmd, static const struct file_operations raw_fops = { .read = new_sync_read, - .read_iter = generic_file_read_iter, + .read_iter = blkdev_read_iter, .write = new_sync_write, .write_iter = blkdev_write_iter, .fsync = blkdev_fsync, diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index bfa640023e64..cf7a561fad7c 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1449,8 +1449,6 @@ static int add_port(struct ports_device *portdev, u32 id) spin_lock_init(&port->outvq_lock); init_waitqueue_head(&port->waitqueue); - virtio_device_ready(portdev->vdev); - /* Fill the in_vq with buffers so the host can send us data. */ nr_added_bufs = fill_queue(port->in_vq, &port->inbuf_lock); if (!nr_added_bufs) { @@ -2026,6 +2024,8 @@ static int virtcons_probe(struct virtio_device *vdev) spin_lock_init(&portdev->ports_lock); INIT_LIST_HEAD(&portdev->ports); + virtio_device_ready(portdev->vdev); + if (multiport) { unsigned int nr_added_bufs; diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 2133f9d59d06..43005d4d3348 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -660,11 +660,11 @@ static bool __init arch_timer_probed(int type, const struct of_device_id *matches) { struct device_node *dn; - bool probed = false; + bool probed = true; dn = of_find_matching_node(NULL, matches); - if (dn && of_device_is_available(dn) && (arch_timers_present & type)) - probed = true; + if (dn && of_device_is_available(dn) && !(arch_timers_present & type)) + probed = false; of_node_put(dn); return probed; diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index 6bbb8b913446..f657c571b18e 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -146,8 +147,8 @@ static int allocate_resources(int cpu, struct device **cdev, goto try_again; } - dev_warn(cpu_dev, "failed to get cpu%d regulator: %ld\n", - cpu, PTR_ERR(cpu_reg)); + dev_dbg(cpu_dev, "no regulator for cpu%d: %ld\n", + cpu, PTR_ERR(cpu_reg)); } cpu_clk = clk_get(cpu_dev, NULL); @@ -165,8 +166,8 @@ static int allocate_resources(int cpu, struct device **cdev, if (ret == -EPROBE_DEFER) dev_dbg(cpu_dev, "cpu%d clock not ready, retry\n", cpu); else - dev_err(cpu_dev, "failed to get cpu%d clock: %d\n", ret, - cpu); + dev_err(cpu_dev, "failed to get cpu%d clock: %d\n", cpu, + ret); } else { *cdev = cpu_dev; *creg = cpu_reg; @@ -178,6 +179,7 @@ static int allocate_resources(int cpu, struct device **cdev, static int cpufreq_init(struct cpufreq_policy *policy) { + struct cpufreq_dt_platform_data *pd; struct cpufreq_frequency_table *freq_table; struct thermal_cooling_device *cdev; struct device_node *np; @@ -185,6 +187,7 @@ static int cpufreq_init(struct cpufreq_policy *policy) struct device *cpu_dev; struct regulator *cpu_reg; struct clk *cpu_clk; + unsigned long min_uV = ~0, max_uV = 0; unsigned int transition_latency; int ret; @@ -204,16 +207,10 @@ static int cpufreq_init(struct cpufreq_policy *policy) /* OPPs might be populated at runtime, don't check for error here */ of_init_opp_table(cpu_dev); - ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table); - if (ret) { - dev_err(cpu_dev, "failed to init cpufreq table: %d\n", ret); - goto out_put_node; - } - priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) { ret = -ENOMEM; - goto out_free_table; + goto out_put_node; } of_property_read_u32(np, "voltage-tolerance", &priv->voltage_tolerance); @@ -222,30 +219,51 @@ static int cpufreq_init(struct cpufreq_policy *policy) transition_latency = CPUFREQ_ETERNAL; if (!IS_ERR(cpu_reg)) { - struct dev_pm_opp *opp; - unsigned long min_uV, max_uV; - int i; + unsigned long opp_freq = 0; /* - * OPP is maintained in order of increasing frequency, and - * freq_table initialised from OPP is therefore sorted in the - * same order. + * Disable any OPPs where the connected regulator isn't able to + * provide the specified voltage and record minimum and maximum + * voltage levels. */ - for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) - ; - rcu_read_lock(); - opp = dev_pm_opp_find_freq_exact(cpu_dev, - freq_table[0].frequency * 1000, true); - min_uV = dev_pm_opp_get_voltage(opp); - opp = dev_pm_opp_find_freq_exact(cpu_dev, - freq_table[i-1].frequency * 1000, true); - max_uV = dev_pm_opp_get_voltage(opp); - rcu_read_unlock(); + while (1) { + struct dev_pm_opp *opp; + unsigned long opp_uV, tol_uV; + + rcu_read_lock(); + opp = dev_pm_opp_find_freq_ceil(cpu_dev, &opp_freq); + if (IS_ERR(opp)) { + rcu_read_unlock(); + break; + } + opp_uV = dev_pm_opp_get_voltage(opp); + rcu_read_unlock(); + + tol_uV = opp_uV * priv->voltage_tolerance / 100; + if (regulator_is_supported_voltage(cpu_reg, opp_uV, + opp_uV + tol_uV)) { + if (opp_uV < min_uV) + min_uV = opp_uV; + if (opp_uV > max_uV) + max_uV = opp_uV; + } else { + dev_pm_opp_disable(cpu_dev, opp_freq); + } + + opp_freq++; + } + ret = regulator_set_voltage_time(cpu_reg, min_uV, max_uV); if (ret > 0) transition_latency += ret * 1000; } + ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table); + if (ret) { + pr_err("failed to init cpufreq table: %d\n", ret); + goto out_free_priv; + } + /* * For now, just loading the cooling device; * thermal DT code takes care of matching them. @@ -265,9 +283,18 @@ static int cpufreq_init(struct cpufreq_policy *policy) policy->driver_data = priv; policy->clk = cpu_clk; - ret = cpufreq_generic_init(policy, freq_table, transition_latency); - if (ret) + ret = cpufreq_table_validate_and_show(policy, freq_table); + if (ret) { + dev_err(cpu_dev, "%s: invalid frequency table: %d\n", __func__, + ret); goto out_cooling_unregister; + } + + policy->cpuinfo.transition_latency = transition_latency; + + pd = cpufreq_get_driver_data(); + if (!pd || !pd->independent_clocks) + cpumask_setall(policy->cpus); of_node_put(np); @@ -275,9 +302,9 @@ static int cpufreq_init(struct cpufreq_policy *policy) out_cooling_unregister: cpufreq_cooling_unregister(priv->cdev); - kfree(priv); -out_free_table: dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table); +out_free_priv: + kfree(priv); out_put_node: of_node_put(np); out_put_reg_clk: @@ -335,6 +362,8 @@ static int dt_cpufreq_probe(struct platform_device *pdev) if (!IS_ERR(cpu_reg)) regulator_put(cpu_reg); + dt_cpufreq_driver.driver_data = dev_get_platdata(&pdev->dev); + ret = cpufreq_register_driver(&dt_cpufreq_driver); if (ret) dev_err(cpu_dev, "failed register driver: %d\n", ret); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 24bf76fba141..4473eba1d6b0 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -512,7 +512,18 @@ show_one(cpuinfo_max_freq, cpuinfo.max_freq); show_one(cpuinfo_transition_latency, cpuinfo.transition_latency); show_one(scaling_min_freq, min); show_one(scaling_max_freq, max); -show_one(scaling_cur_freq, cur); + +static ssize_t show_scaling_cur_freq( + struct cpufreq_policy *policy, char *buf) +{ + ssize_t ret; + + if (cpufreq_driver && cpufreq_driver->setpolicy && cpufreq_driver->get) + ret = sprintf(buf, "%u\n", cpufreq_driver->get(policy->cpu)); + else + ret = sprintf(buf, "%u\n", policy->cur); + return ret; +} static int cpufreq_set_policy(struct cpufreq_policy *policy, struct cpufreq_policy *new_policy); @@ -906,11 +917,11 @@ static int cpufreq_add_dev_interface(struct cpufreq_policy *policy, if (ret) goto err_out_kobj_put; } - if (has_target()) { - ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr); - if (ret) - goto err_out_kobj_put; - } + + ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr); + if (ret) + goto err_out_kobj_put; + if (cpufreq_driver->bios_limit) { ret = sysfs_create_file(&policy->kobj, &bios_limit.attr); if (ret) @@ -1011,7 +1022,8 @@ static struct cpufreq_policy *cpufreq_policy_restore(unsigned int cpu) read_unlock_irqrestore(&cpufreq_driver_lock, flags); - policy->governor = NULL; + if (policy) + policy->governor = NULL; return policy; } @@ -1731,6 +1743,21 @@ const char *cpufreq_get_current_driver(void) } EXPORT_SYMBOL_GPL(cpufreq_get_current_driver); +/** + * cpufreq_get_driver_data - return current driver data + * + * Return the private data of the currently loaded cpufreq + * driver, or NULL if no cpufreq driver is loaded. + */ +void *cpufreq_get_driver_data(void) +{ + if (cpufreq_driver) + return cpufreq_driver->driver_data; + + return NULL; +} +EXPORT_SYMBOL_GPL(cpufreq_get_driver_data); + /********************************************************************* * NOTIFIER LISTS INTERFACE * *********************************************************************/ diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c index ec399ad2f059..1608f7105c9f 100644 --- a/drivers/cpufreq/highbank-cpufreq.c +++ b/drivers/cpufreq/highbank-cpufreq.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #define HB_CPUFREQ_CHANGE_NOTE 0x80000001 diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 0668b389c516..27bb6d3877ed 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -52,6 +52,17 @@ static inline int32_t div_fp(int32_t x, int32_t y) return div_s64((int64_t)x << FRAC_BITS, y); } +static inline int ceiling_fp(int32_t x) +{ + int mask, ret; + + ret = fp_toint(x); + mask = (1 << FRAC_BITS) - 1; + if (x & mask) + ret += 1; + return ret; +} + struct sample { int32_t core_pct_busy; u64 aperf; @@ -64,6 +75,7 @@ struct pstate_data { int current_pstate; int min_pstate; int max_pstate; + int scaling; int turbo_pstate; }; @@ -113,6 +125,7 @@ struct pstate_funcs { int (*get_max)(void); int (*get_min)(void); int (*get_turbo)(void); + int (*get_scaling)(void); void (*set)(struct cpudata*, int pstate); void (*get_vid)(struct cpudata *); }; @@ -138,6 +151,7 @@ struct perf_limits { static struct perf_limits limits = { .no_turbo = 0, + .turbo_disabled = 0, .max_perf_pct = 100, .max_perf = int_tofp(1), .min_perf_pct = 0, @@ -218,6 +232,18 @@ static inline void intel_pstate_reset_all_pid(void) } } +static inline void update_turbo_state(void) +{ + u64 misc_en; + struct cpudata *cpu; + + cpu = all_cpu_data[0]; + rdmsrl(MSR_IA32_MISC_ENABLE, misc_en); + limits.turbo_disabled = + (misc_en & MSR_IA32_MISC_ENABLE_TURBO_DISABLE || + cpu->pstate.max_pstate == cpu->pstate.turbo_pstate); +} + /************************** debugfs begin ************************/ static int pid_param_set(void *data, u64 val) { @@ -274,6 +300,20 @@ static void __init intel_pstate_debug_expose_params(void) return sprintf(buf, "%u\n", limits.object); \ } +static ssize_t show_no_turbo(struct kobject *kobj, + struct attribute *attr, char *buf) +{ + ssize_t ret; + + update_turbo_state(); + if (limits.turbo_disabled) + ret = sprintf(buf, "%u\n", limits.turbo_disabled); + else + ret = sprintf(buf, "%u\n", limits.no_turbo); + + return ret; +} + static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, const char *buf, size_t count) { @@ -283,11 +323,14 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, ret = sscanf(buf, "%u", &input); if (ret != 1) return -EINVAL; - limits.no_turbo = clamp_t(int, input, 0 , 1); + + update_turbo_state(); if (limits.turbo_disabled) { pr_warn("Turbo disabled by BIOS or unavailable on processor\n"); - limits.no_turbo = limits.turbo_disabled; + return -EPERM; } + limits.no_turbo = clamp_t(int, input, 0, 1); + return count; } @@ -323,7 +366,6 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b, return count; } -show_one(no_turbo, no_turbo); show_one(max_perf_pct, max_perf_pct); show_one(min_perf_pct, min_perf_pct); @@ -394,7 +436,7 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate) cpudata->vid.ratio); vid_fp = clamp_t(int32_t, vid_fp, cpudata->vid.min, cpudata->vid.max); - vid = fp_toint(vid_fp); + vid = ceiling_fp(vid_fp); if (pstate > cpudata->pstate.max_pstate) vid = cpudata->vid.turbo; @@ -404,6 +446,22 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate) wrmsrl(MSR_IA32_PERF_CTL, val); } +#define BYT_BCLK_FREQS 5 +static int byt_freq_table[BYT_BCLK_FREQS] = { 833, 1000, 1333, 1167, 800}; + +static int byt_get_scaling(void) +{ + u64 value; + int i; + + rdmsrl(MSR_FSB_FREQ, value); + i = value & 0x3; + + BUG_ON(i > BYT_BCLK_FREQS); + + return byt_freq_table[i] * 100; +} + static void byt_get_vid(struct cpudata *cpudata) { u64 value; @@ -449,6 +507,11 @@ static int core_get_turbo_pstate(void) return ret; } +static inline int core_get_scaling(void) +{ + return 100000; +} + static void core_set_pstate(struct cpudata *cpudata, int pstate) { u64 val; @@ -473,6 +536,7 @@ static struct cpu_defaults core_params = { .get_max = core_get_max_pstate, .get_min = core_get_min_pstate, .get_turbo = core_get_turbo_pstate, + .get_scaling = core_get_scaling, .set = core_set_pstate, }, }; @@ -491,6 +555,7 @@ static struct cpu_defaults byt_params = { .get_min = byt_get_min_pstate, .get_turbo = byt_get_turbo_pstate, .set = byt_set_pstate, + .get_scaling = byt_get_scaling, .get_vid = byt_get_vid, }, }; @@ -501,7 +566,7 @@ static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max) int max_perf_adj; int min_perf; - if (limits.no_turbo) + if (limits.no_turbo || limits.turbo_disabled) max_perf = cpu->pstate.max_pstate; max_perf_adj = fp_toint(mul_fp(int_tofp(max_perf), limits.max_perf)); @@ -516,6 +581,8 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) { int max_perf, min_perf; + update_turbo_state(); + intel_pstate_get_min_max(cpu, &min_perf, &max_perf); pstate = clamp_t(int, pstate, min_perf, max_perf); @@ -523,7 +590,7 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) if (pstate == cpu->pstate.current_pstate) return; - trace_cpu_frequency(pstate * 100000, cpu->cpu); + trace_cpu_frequency(pstate * cpu->pstate.scaling, cpu->cpu); cpu->pstate.current_pstate = pstate; @@ -535,6 +602,7 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) cpu->pstate.min_pstate = pstate_funcs.get_min(); cpu->pstate.max_pstate = pstate_funcs.get_max(); cpu->pstate.turbo_pstate = pstate_funcs.get_turbo(); + cpu->pstate.scaling = pstate_funcs.get_scaling(); if (pstate_funcs.get_vid) pstate_funcs.get_vid(cpu); @@ -550,7 +618,9 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu) core_pct = div64_u64(core_pct, int_tofp(sample->mperf)); sample->freq = fp_toint( - mul_fp(int_tofp(cpu->pstate.max_pstate * 1000), core_pct)); + mul_fp(int_tofp( + cpu->pstate.max_pstate * cpu->pstate.scaling / 100), + core_pct)); sample->core_pct_busy = (int32_t)core_pct; } @@ -671,7 +741,9 @@ static int intel_pstate_init_cpu(unsigned int cpunum) { struct cpudata *cpu; - all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), GFP_KERNEL); + if (!all_cpu_data[cpunum]) + all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), + GFP_KERNEL); if (!all_cpu_data[cpunum]) return -ENOMEM; @@ -714,9 +786,10 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { limits.min_perf_pct = 100; limits.min_perf = int_tofp(1); + limits.max_policy_pct = 100; limits.max_perf_pct = 100; limits.max_perf = int_tofp(1); - limits.no_turbo = limits.turbo_disabled; + limits.no_turbo = 0; return 0; } limits.min_perf_pct = (policy->min * 100) / policy->cpuinfo.max_freq; @@ -751,15 +824,12 @@ static void intel_pstate_stop_cpu(struct cpufreq_policy *policy) del_timer_sync(&all_cpu_data[cpu_num]->timer); intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate); - kfree(all_cpu_data[cpu_num]); - all_cpu_data[cpu_num] = NULL; } static int intel_pstate_cpu_init(struct cpufreq_policy *policy) { struct cpudata *cpu; int rc; - u64 misc_en; rc = intel_pstate_init_cpu(policy->cpu); if (rc) @@ -767,23 +837,18 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) cpu = all_cpu_data[policy->cpu]; - rdmsrl(MSR_IA32_MISC_ENABLE, misc_en); - if (misc_en & MSR_IA32_MISC_ENABLE_TURBO_DISABLE || - cpu->pstate.max_pstate == cpu->pstate.turbo_pstate) { - limits.turbo_disabled = 1; - limits.no_turbo = 1; - } if (limits.min_perf_pct == 100 && limits.max_perf_pct == 100) policy->policy = CPUFREQ_POLICY_PERFORMANCE; else policy->policy = CPUFREQ_POLICY_POWERSAVE; - policy->min = cpu->pstate.min_pstate * 100000; - policy->max = cpu->pstate.turbo_pstate * 100000; + policy->min = cpu->pstate.min_pstate * cpu->pstate.scaling; + policy->max = cpu->pstate.turbo_pstate * cpu->pstate.scaling; /* cpuinfo and default policy values */ - policy->cpuinfo.min_freq = cpu->pstate.min_pstate * 100000; - policy->cpuinfo.max_freq = cpu->pstate.turbo_pstate * 100000; + policy->cpuinfo.min_freq = cpu->pstate.min_pstate * cpu->pstate.scaling; + policy->cpuinfo.max_freq = + cpu->pstate.turbo_pstate * cpu->pstate.scaling; policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; cpumask_set_cpu(policy->cpu, policy->cpus); @@ -841,6 +906,7 @@ static void copy_cpu_funcs(struct pstate_funcs *funcs) pstate_funcs.get_max = funcs->get_max; pstate_funcs.get_min = funcs->get_min; pstate_funcs.get_turbo = funcs->get_turbo; + pstate_funcs.get_scaling = funcs->get_scaling; pstate_funcs.set = funcs->set; pstate_funcs.get_vid = funcs->get_vid; } diff --git a/drivers/cpuidle/Kconfig.mips b/drivers/cpuidle/Kconfig.mips index 0e70ee28a5ca..4102be01d06a 100644 --- a/drivers/cpuidle/Kconfig.mips +++ b/drivers/cpuidle/Kconfig.mips @@ -3,7 +3,7 @@ # config MIPS_CPS_CPUIDLE bool "CPU Idle driver for MIPS CPS platforms" - depends on CPU_IDLE + depends on CPU_IDLE && MIPS_CPS depends on SYS_SUPPORTS_MIPS_CPS select ARCH_NEEDS_CPU_IDLE_COUPLED if MIPS_MT select GENERIC_CLOCKEVENTS_BROADCAST if SMP diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index a64be578dab2..7d3a3497dd4c 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -163,7 +163,8 @@ static int powernv_add_idle_states(void) int nr_idle_states = 1; /* Snooze */ int dt_idle_states; const __be32 *idle_state_flags; - u32 len_flags, flags; + const __be32 *idle_state_latency; + u32 len_flags, flags, latency_ns; int i; /* Currently we have snooze statically defined */ @@ -180,18 +181,32 @@ static int powernv_add_idle_states(void) return nr_idle_states; } + idle_state_latency = of_get_property(power_mgt, + "ibm,cpu-idle-state-latencies-ns", NULL); + if (!idle_state_latency) { + pr_warn("DT-PowerMgmt: missing ibm,cpu-idle-state-latencies-ns\n"); + return nr_idle_states; + } + dt_idle_states = len_flags / sizeof(u32); for (i = 0; i < dt_idle_states; i++) { flags = be32_to_cpu(idle_state_flags[i]); + + /* Cpuidle accepts exit_latency in us and we estimate + * target residency to be 10x exit_latency + */ + latency_ns = be32_to_cpu(idle_state_latency[i]); if (flags & IDLE_USE_INST_NAP) { /* Add NAP state */ strcpy(powernv_states[nr_idle_states].name, "Nap"); strcpy(powernv_states[nr_idle_states].desc, "Nap"); powernv_states[nr_idle_states].flags = CPUIDLE_FLAG_TIME_VALID; - powernv_states[nr_idle_states].exit_latency = 10; - powernv_states[nr_idle_states].target_residency = 100; + powernv_states[nr_idle_states].exit_latency = + ((unsigned int)latency_ns) / 1000; + powernv_states[nr_idle_states].target_residency = + ((unsigned int)latency_ns / 100); powernv_states[nr_idle_states].enter = &nap_loop; nr_idle_states++; } @@ -202,8 +217,10 @@ static int powernv_add_idle_states(void) strcpy(powernv_states[nr_idle_states].desc, "FastSleep"); powernv_states[nr_idle_states].flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TIMER_STOP; - powernv_states[nr_idle_states].exit_latency = 300; - powernv_states[nr_idle_states].target_residency = 1000000; + powernv_states[nr_idle_states].exit_latency = + ((unsigned int)latency_ns) / 1000; + powernv_states[nr_idle_states].target_residency = + ((unsigned int)latency_ns / 100); powernv_states[nr_idle_states].enter = &fastsleep_loop; nr_idle_states++; } diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c index 871703c49d2c..e1eaf4ff9762 100644 --- a/drivers/crypto/caam/key_gen.c +++ b/drivers/crypto/caam/key_gen.c @@ -48,23 +48,29 @@ int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, u32 *desc; struct split_key_result result; dma_addr_t dma_addr_in, dma_addr_out; - int ret = 0; + int ret = -ENOMEM; desc = kmalloc(CAAM_CMD_SZ * 6 + CAAM_PTR_SZ * 2, GFP_KERNEL | GFP_DMA); if (!desc) { dev_err(jrdev, "unable to allocate key input memory\n"); - return -ENOMEM; + return ret; } - init_job_desc(desc, 0); - dma_addr_in = dma_map_single(jrdev, (void *)key_in, keylen, DMA_TO_DEVICE); if (dma_mapping_error(jrdev, dma_addr_in)) { dev_err(jrdev, "unable to map key input memory\n"); - kfree(desc); - return -ENOMEM; + goto out_free; } + + dma_addr_out = dma_map_single(jrdev, key_out, split_key_pad_len, + DMA_FROM_DEVICE); + if (dma_mapping_error(jrdev, dma_addr_out)) { + dev_err(jrdev, "unable to map key output memory\n"); + goto out_unmap_in; + } + + init_job_desc(desc, 0); append_key(desc, dma_addr_in, keylen, CLASS_2 | KEY_DEST_CLASS_REG); /* Sets MDHA up into an HMAC-INIT */ @@ -81,13 +87,6 @@ int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, * FIFO_STORE with the explicit split-key content store * (0x26 output type) */ - dma_addr_out = dma_map_single(jrdev, key_out, split_key_pad_len, - DMA_FROM_DEVICE); - if (dma_mapping_error(jrdev, dma_addr_out)) { - dev_err(jrdev, "unable to map key output memory\n"); - kfree(desc); - return -ENOMEM; - } append_fifo_store(desc, dma_addr_out, split_key_len, LDST_CLASS_2_CCB | FIFOST_TYPE_SPLIT_KEK); @@ -115,10 +114,10 @@ int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, dma_unmap_single(jrdev, dma_addr_out, split_key_pad_len, DMA_FROM_DEVICE); +out_unmap_in: dma_unmap_single(jrdev, dma_addr_in, keylen, DMA_TO_DEVICE); - +out_free: kfree(desc); - return ret; } EXPORT_SYMBOL(gen_split_key); diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h index 9282381b03ce..fe7b3f06f6e6 100644 --- a/drivers/crypto/qat/qat_common/adf_accel_devices.h +++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h @@ -198,8 +198,7 @@ struct adf_accel_dev { struct dentry *debugfs_dir; struct list_head list; struct module *owner; - uint8_t accel_id; - uint8_t numa_node; struct adf_accel_pci accel_pci_dev; + uint8_t accel_id; } __packed; #endif diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c index 5f3fa45348b4..9dd2cb72a4e8 100644 --- a/drivers/crypto/qat/qat_common/adf_transport.c +++ b/drivers/crypto/qat/qat_common/adf_transport.c @@ -419,9 +419,10 @@ static int adf_init_bank(struct adf_accel_dev *accel_dev, WRITE_CSR_RING_BASE(csr_addr, bank_num, i, 0); ring = &bank->rings[i]; if (hw_data->tx_rings_mask & (1 << i)) { - ring->inflights = kzalloc_node(sizeof(atomic_t), - GFP_KERNEL, - accel_dev->numa_node); + ring->inflights = + kzalloc_node(sizeof(atomic_t), + GFP_KERNEL, + dev_to_node(&GET_DEV(accel_dev))); if (!ring->inflights) goto err; } else { @@ -469,13 +470,14 @@ int adf_init_etr_data(struct adf_accel_dev *accel_dev) int i, ret; etr_data = kzalloc_node(sizeof(*etr_data), GFP_KERNEL, - accel_dev->numa_node); + dev_to_node(&GET_DEV(accel_dev))); if (!etr_data) return -ENOMEM; num_banks = GET_MAX_BANKS(accel_dev); size = num_banks * sizeof(struct adf_etr_bank_data); - etr_data->banks = kzalloc_node(size, GFP_KERNEL, accel_dev->numa_node); + etr_data->banks = kzalloc_node(size, GFP_KERNEL, + dev_to_node(&GET_DEV(accel_dev))); if (!etr_data->banks) { ret = -ENOMEM; goto err_bank; diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index f2e2f158cfbe..9e9619cd4a79 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -596,7 +596,8 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, if (unlikely(!n)) return -EINVAL; - bufl = kmalloc_node(sz, GFP_ATOMIC, inst->accel_dev->numa_node); + bufl = kmalloc_node(sz, GFP_ATOMIC, + dev_to_node(&GET_DEV(inst->accel_dev))); if (unlikely(!bufl)) return -ENOMEM; @@ -605,6 +606,8 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, goto err; for_each_sg(assoc, sg, assoc_n, i) { + if (!sg->length) + continue; bufl->bufers[bufs].addr = dma_map_single(dev, sg_virt(sg), sg->length, @@ -640,7 +643,7 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, struct qat_alg_buf *bufers; buflout = kmalloc_node(sz, GFP_ATOMIC, - inst->accel_dev->numa_node); + dev_to_node(&GET_DEV(inst->accel_dev))); if (unlikely(!buflout)) goto err; bloutp = dma_map_single(dev, buflout, sz, DMA_TO_DEVICE); diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c index 0d59bcb50de1..828f2a686aab 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.c +++ b/drivers/crypto/qat/qat_common/qat_crypto.c @@ -109,12 +109,14 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) list_for_each(itr, adf_devmgr_get_head()) { accel_dev = list_entry(itr, struct adf_accel_dev, list); - if (accel_dev->numa_node == node && adf_dev_started(accel_dev)) + if ((node == dev_to_node(&GET_DEV(accel_dev)) || + dev_to_node(&GET_DEV(accel_dev)) < 0) + && adf_dev_started(accel_dev)) break; accel_dev = NULL; } if (!accel_dev) { - pr_err("QAT: Could not find device on give node\n"); + pr_err("QAT: Could not find device on node %d\n", node); accel_dev = adf_devmgr_get_first(); } if (!accel_dev || !adf_dev_started(accel_dev)) @@ -164,7 +166,7 @@ static int qat_crypto_create_instances(struct adf_accel_dev *accel_dev) for (i = 0; i < num_inst; i++) { inst = kzalloc_node(sizeof(*inst), GFP_KERNEL, - accel_dev->numa_node); + dev_to_node(&GET_DEV(accel_dev))); if (!inst) goto err; diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_admin.c b/drivers/crypto/qat/qat_dh895xcc/adf_admin.c index 978d6c56639d..53c491b59f07 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_admin.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_admin.c @@ -108,7 +108,7 @@ int adf_init_admin_comms(struct adf_accel_dev *accel_dev) uint64_t reg_val; admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL, - accel_dev->numa_node); + dev_to_node(&GET_DEV(accel_dev))); if (!admin) return -ENOMEM; admin->virt_addr = dma_zalloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE, diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c index 0d0435a41be9..948f66be262b 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c @@ -119,21 +119,6 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) kfree(accel_dev); } -static uint8_t adf_get_dev_node_id(struct pci_dev *pdev) -{ - unsigned int bus_per_cpu = 0; - struct cpuinfo_x86 *c = &cpu_data(num_online_cpus() - 1); - - if (!c->phys_proc_id) - return 0; - - bus_per_cpu = 256 / (c->phys_proc_id + 1); - - if (bus_per_cpu != 0) - return pdev->bus->number / bus_per_cpu; - return 0; -} - static int qat_dev_start(struct adf_accel_dev *accel_dev) { int cpus = num_online_cpus(); @@ -235,7 +220,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) void __iomem *pmisc_bar_addr = NULL; char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; - uint8_t node; int ret; switch (ent->device) { @@ -246,12 +230,19 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return -ENODEV; } - node = adf_get_dev_node_id(pdev); - accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL, node); + if (num_possible_nodes() > 1 && dev_to_node(&pdev->dev) < 0) { + /* If the accelerator is connected to a node with no memory + * there is no point in using the accelerator since the remote + * memory transaction will be very slow. */ + dev_err(&pdev->dev, "Invalid NUMA configuration.\n"); + return -EINVAL; + } + + accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL, + dev_to_node(&pdev->dev)); if (!accel_dev) return -ENOMEM; - accel_dev->numa_node = node; INIT_LIST_HEAD(&accel_dev->crypto_list); /* Add accel device to accel table. @@ -264,7 +255,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) accel_dev->owner = THIS_MODULE; /* Allocate and configure device configuration structure */ - hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL, node); + hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL, + dev_to_node(&pdev->dev)); if (!hw_data) { ret = -ENOMEM; goto out_err; diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c index 67ec61e51185..d96ee21b9b77 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c @@ -168,7 +168,7 @@ static int adf_isr_alloc_msix_entry_table(struct adf_accel_dev *accel_dev) uint32_t msix_num_entries = hw_data->num_banks + 1; entries = kzalloc_node(msix_num_entries * sizeof(*entries), - GFP_KERNEL, accel_dev->numa_node); + GFP_KERNEL, dev_to_node(&GET_DEV(accel_dev))); if (!entries) return -ENOMEM; diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 123f578d6dd3..4cfaaa5a49be 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -1107,52 +1107,14 @@ bool edma_filter_fn(struct dma_chan *chan, void *param) } EXPORT_SYMBOL(edma_filter_fn); -static struct platform_device *pdev0, *pdev1; - -static const struct platform_device_info edma_dev_info0 = { - .name = "edma-dma-engine", - .id = 0, - .dma_mask = DMA_BIT_MASK(32), -}; - -static const struct platform_device_info edma_dev_info1 = { - .name = "edma-dma-engine", - .id = 1, - .dma_mask = DMA_BIT_MASK(32), -}; - static int edma_init(void) { - int ret = platform_driver_register(&edma_driver); - - if (ret == 0) { - pdev0 = platform_device_register_full(&edma_dev_info0); - if (IS_ERR(pdev0)) { - platform_driver_unregister(&edma_driver); - ret = PTR_ERR(pdev0); - goto out; - } - } - - if (!of_have_populated_dt() && EDMA_CTLRS == 2) { - pdev1 = platform_device_register_full(&edma_dev_info1); - if (IS_ERR(pdev1)) { - platform_driver_unregister(&edma_driver); - platform_device_unregister(pdev0); - ret = PTR_ERR(pdev1); - } - } - -out: - return ret; + return platform_driver_register(&edma_driver); } subsys_initcall(edma_init); static void __exit edma_exit(void) { - platform_device_unregister(pdev0); - if (pdev1) - platform_device_unregister(pdev1); platform_driver_unregister(&edma_driver); } module_exit(edma_exit); diff --git a/drivers/edac/cpc925_edac.c b/drivers/edac/cpc925_edac.c index df6575f1430d..682288ced4ac 100644 --- a/drivers/edac/cpc925_edac.c +++ b/drivers/edac/cpc925_edac.c @@ -562,7 +562,7 @@ static void cpc925_mc_check(struct mem_ctl_info *mci) if (apiexcp & UECC_EXCP_DETECTED) { cpc925_mc_printk(mci, KERN_INFO, "DRAM UECC Fault\n"); - edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, + edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, pfn, offset, 0, csrow, -1, -1, mci->ctl_name, ""); diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c index 3cda79bc8b00..ece3aef16bb1 100644 --- a/drivers/edac/e7xxx_edac.c +++ b/drivers/edac/e7xxx_edac.c @@ -226,7 +226,7 @@ static void process_ce(struct mem_ctl_info *mci, struct e7xxx_error_info *info) static void process_ce_no_info(struct mem_ctl_info *mci) { edac_dbg(3, "\n"); - edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, 0, 0, 0, -1, -1, -1, + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, 0, -1, -1, -1, "e7xxx CE log register overflow", ""); } diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c index 022a70273ada..aa98b136f5d0 100644 --- a/drivers/edac/i3200_edac.c +++ b/drivers/edac/i3200_edac.c @@ -242,11 +242,11 @@ static void i3200_process_error_info(struct mem_ctl_info *mci, -1, -1, "i3000 UE", ""); } else if (log & I3200_ECCERRLOG_CE) { - edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, eccerrlog_syndrome(log), eccerrlog_row(channel, log), -1, -1, - "i3000 UE", ""); + "i3000 CE", ""); } } } diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c index 3382f6344e42..4382343a7c60 100644 --- a/drivers/edac/i82860_edac.c +++ b/drivers/edac/i82860_edac.c @@ -124,7 +124,7 @@ static int i82860_process_error_info(struct mem_ctl_info *mci, dimm->location[0], dimm->location[1], -1, "i82860 UE", ""); else - edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, info->eap, 0, info->derrsyn, dimm->location[0], dimm->location[1], -1, "i82860 CE", ""); diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index 5d997a33907e..2a3973a7c441 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -1637,8 +1637,7 @@ static int dispatch_ioctl(struct client *client, _IOC_SIZE(cmd) > sizeof(buffer)) return -ENOTTY; - if (_IOC_DIR(cmd) == _IOC_READ) - memset(&buffer, 0, _IOC_SIZE(cmd)); + memset(&buffer, 0, sizeof(buffer)); if (_IOC_DIR(cmd) & _IOC_WRITE) if (copy_from_user(&buffer, arg, _IOC_SIZE(cmd))) diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 64ecbb501c50..8590099ac148 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -41,6 +41,28 @@ struct efi __read_mostly efi = { }; EXPORT_SYMBOL(efi); +static bool disable_runtime; +static int __init setup_noefi(char *arg) +{ + disable_runtime = true; + return 0; +} +early_param("noefi", setup_noefi); + +bool efi_runtime_disabled(void) +{ + return disable_runtime; +} + +static int __init parse_efi_cmdline(char *str) +{ + if (parse_option_str(str, "noruntime")) + disable_runtime = true; + + return 0; +} +early_param("efi", parse_efi_cmdline); + static struct kobject *efi_kobj; static struct kobject *efivars_kobj; @@ -423,3 +445,60 @@ int __init efi_get_fdt_params(struct efi_fdt_params *params, int verbose) return ret; } #endif /* CONFIG_EFI_PARAMS_FROM_FDT */ + +static __initdata char memory_type_name[][20] = { + "Reserved", + "Loader Code", + "Loader Data", + "Boot Code", + "Boot Data", + "Runtime Code", + "Runtime Data", + "Conventional Memory", + "Unusable Memory", + "ACPI Reclaim Memory", + "ACPI Memory NVS", + "Memory Mapped I/O", + "MMIO Port Space", + "PAL Code" +}; + +char * __init efi_md_typeattr_format(char *buf, size_t size, + const efi_memory_desc_t *md) +{ + char *pos; + int type_len; + u64 attr; + + pos = buf; + if (md->type >= ARRAY_SIZE(memory_type_name)) + type_len = snprintf(pos, size, "[type=%u", md->type); + else + type_len = snprintf(pos, size, "[%-*s", + (int)(sizeof(memory_type_name[0]) - 1), + memory_type_name[md->type]); + if (type_len >= size) + return buf; + + pos += type_len; + size -= type_len; + + attr = md->attribute; + if (attr & ~(EFI_MEMORY_UC | EFI_MEMORY_WC | EFI_MEMORY_WT | + EFI_MEMORY_WB | EFI_MEMORY_UCE | EFI_MEMORY_WP | + EFI_MEMORY_RP | EFI_MEMORY_XP | EFI_MEMORY_RUNTIME)) + snprintf(pos, size, "|attr=0x%016llx]", + (unsigned long long)attr); + else + snprintf(pos, size, "|%3s|%2s|%2s|%2s|%3s|%2s|%2s|%2s|%2s]", + attr & EFI_MEMORY_RUNTIME ? "RUN" : "", + attr & EFI_MEMORY_XP ? "XP" : "", + attr & EFI_MEMORY_RP ? "RP" : "", + attr & EFI_MEMORY_WP ? "WP" : "", + attr & EFI_MEMORY_UCE ? "UCE" : "", + attr & EFI_MEMORY_WB ? "WB" : "", + attr & EFI_MEMORY_WT ? "WT" : "", + attr & EFI_MEMORY_WC ? "WC" : "", + attr & EFI_MEMORY_UC ? "UC" : ""); + return buf; +} diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c index 480339b6b110..75ee05964cbc 100644 --- a/drivers/firmware/efi/libstub/arm-stub.c +++ b/drivers/firmware/efi/libstub/arm-stub.c @@ -226,6 +226,10 @@ unsigned long __init efi_entry(void *handle, efi_system_table_t *sys_table, goto fail_free_image; } + status = efi_parse_options(cmdline_ptr); + if (status != EFI_SUCCESS) + pr_efi_err(sys_table, "Failed to parse EFI cmdline options\n"); + /* * Unauthenticated device tree data is a security hazard, so * ignore 'dtb=' unless UEFI Secure Boot is disabled. diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c index 32d5cca30f49..a920fec8fe88 100644 --- a/drivers/firmware/efi/libstub/efi-stub-helper.c +++ b/drivers/firmware/efi/libstub/efi-stub-helper.c @@ -15,8 +15,23 @@ #include "efistub.h" +/* + * Some firmware implementations have problems reading files in one go. + * A read chunk size of 1MB seems to work for most platforms. + * + * Unfortunately, reading files in chunks triggers *other* bugs on some + * platforms, so we provide a way to disable this workaround, which can + * be done by passing "efi=nochunk" on the EFI boot stub command line. + * + * If you experience issues with initrd images being corrupt it's worth + * trying efi=nochunk, but chunking is enabled by default because there + * are far more machines that require the workaround than those that + * break with it enabled. + */ #define EFI_READ_CHUNK_SIZE (1024 * 1024) +static unsigned long __chunk_size = EFI_READ_CHUNK_SIZE; + struct file_info { efi_file_handle_t *handle; u64 size; @@ -281,6 +296,49 @@ void efi_free(efi_system_table_t *sys_table_arg, unsigned long size, efi_call_early(free_pages, addr, nr_pages); } +/* + * Parse the ASCII string 'cmdline' for EFI options, denoted by the efi= + * option, e.g. efi=nochunk. + * + * It should be noted that efi= is parsed in two very different + * environments, first in the early boot environment of the EFI boot + * stub, and subsequently during the kernel boot. + */ +efi_status_t efi_parse_options(char *cmdline) +{ + char *str; + + /* + * If no EFI parameters were specified on the cmdline we've got + * nothing to do. + */ + str = strstr(cmdline, "efi="); + if (!str) + return EFI_SUCCESS; + + /* Skip ahead to first argument */ + str += strlen("efi="); + + /* + * Remember, because efi= is also used by the kernel we need to + * skip over arguments we don't understand. + */ + while (*str) { + if (!strncmp(str, "nochunk", 7)) { + str += strlen("nochunk"); + __chunk_size = -1UL; + } + + /* Group words together, delimited by "," */ + while (*str && *str != ',') + str++; + + if (*str == ',') + str++; + } + + return EFI_SUCCESS; +} /* * Check the cmdline for a LILO-style file= arguments. @@ -423,8 +481,8 @@ efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg, size = files[j].size; while (size) { unsigned long chunksize; - if (size > EFI_READ_CHUNK_SIZE) - chunksize = EFI_READ_CHUNK_SIZE; + if (size > __chunk_size) + chunksize = __chunk_size; else chunksize = size; diff --git a/drivers/firmware/efi/runtime-wrappers.c b/drivers/firmware/efi/runtime-wrappers.c index 10daa4bbb258..228bbf910461 100644 --- a/drivers/firmware/efi/runtime-wrappers.c +++ b/drivers/firmware/efi/runtime-wrappers.c @@ -14,10 +14,79 @@ * This file is released under the GPLv2. */ +#include #include -#include /* spinlock_t */ +#include +#include #include +/* + * According to section 7.1 of the UEFI spec, Runtime Services are not fully + * reentrant, and there are particular combinations of calls that need to be + * serialized. (source: UEFI Specification v2.4A) + * + * Table 31. Rules for Reentry Into Runtime Services + * +------------------------------------+-------------------------------+ + * | If previous call is busy in | Forbidden to call | + * +------------------------------------+-------------------------------+ + * | Any | SetVirtualAddressMap() | + * +------------------------------------+-------------------------------+ + * | ConvertPointer() | ConvertPointer() | + * +------------------------------------+-------------------------------+ + * | SetVariable() | ResetSystem() | + * | UpdateCapsule() | | + * | SetTime() | | + * | SetWakeupTime() | | + * | GetNextHighMonotonicCount() | | + * +------------------------------------+-------------------------------+ + * | GetVariable() | GetVariable() | + * | GetNextVariableName() | GetNextVariableName() | + * | SetVariable() | SetVariable() | + * | QueryVariableInfo() | QueryVariableInfo() | + * | UpdateCapsule() | UpdateCapsule() | + * | QueryCapsuleCapabilities() | QueryCapsuleCapabilities() | + * | GetNextHighMonotonicCount() | GetNextHighMonotonicCount() | + * +------------------------------------+-------------------------------+ + * | GetTime() | GetTime() | + * | SetTime() | SetTime() | + * | GetWakeupTime() | GetWakeupTime() | + * | SetWakeupTime() | SetWakeupTime() | + * +------------------------------------+-------------------------------+ + * + * Due to the fact that the EFI pstore may write to the variable store in + * interrupt context, we need to use a spinlock for at least the groups that + * contain SetVariable() and QueryVariableInfo(). That leaves little else, as + * none of the remaining functions are actually ever called at runtime. + * So let's just use a single spinlock to serialize all Runtime Services calls. + */ +static DEFINE_SPINLOCK(efi_runtime_lock); + +/* + * Some runtime services calls can be reentrant under NMI, even if the table + * above says they are not. (source: UEFI Specification v2.4A) + * + * Table 32. Functions that may be called after Machine Check, INIT and NMI + * +----------------------------+------------------------------------------+ + * | Function | Called after Machine Check, INIT and NMI | + * +----------------------------+------------------------------------------+ + * | GetTime() | Yes, even if previously busy. | + * | GetVariable() | Yes, even if previously busy | + * | GetNextVariableName() | Yes, even if previously busy | + * | QueryVariableInfo() | Yes, even if previously busy | + * | SetVariable() | Yes, even if previously busy | + * | UpdateCapsule() | Yes, even if previously busy | + * | QueryCapsuleCapabilities() | Yes, even if previously busy | + * | ResetSystem() | Yes, even if previously busy | + * +----------------------------+------------------------------------------+ + * + * In order to prevent deadlocks under NMI, the wrappers for these functions + * may only grab the efi_runtime_lock or rtc_lock spinlocks if !efi_in_nmi(). + * However, not all of the services listed are reachable through NMI code paths, + * so the the special handling as suggested by the UEFI spec is only implemented + * for QueryVariableInfo() and SetVariable(), as these can be reached in NMI + * context through efi_pstore_write(). + */ + /* * As per commit ef68c8f87ed1 ("x86: Serialize EFI time accesses on rtc_lock"), * the EFI specification requires that callers of the time related runtime @@ -32,7 +101,9 @@ static efi_status_t virt_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc) efi_status_t status; spin_lock_irqsave(&rtc_lock, flags); + spin_lock(&efi_runtime_lock); status = efi_call_virt(get_time, tm, tc); + spin_unlock(&efi_runtime_lock); spin_unlock_irqrestore(&rtc_lock, flags); return status; } @@ -43,7 +114,9 @@ static efi_status_t virt_efi_set_time(efi_time_t *tm) efi_status_t status; spin_lock_irqsave(&rtc_lock, flags); + spin_lock(&efi_runtime_lock); status = efi_call_virt(set_time, tm); + spin_unlock(&efi_runtime_lock); spin_unlock_irqrestore(&rtc_lock, flags); return status; } @@ -56,7 +129,9 @@ static efi_status_t virt_efi_get_wakeup_time(efi_bool_t *enabled, efi_status_t status; spin_lock_irqsave(&rtc_lock, flags); + spin_lock(&efi_runtime_lock); status = efi_call_virt(get_wakeup_time, enabled, pending, tm); + spin_unlock(&efi_runtime_lock); spin_unlock_irqrestore(&rtc_lock, flags); return status; } @@ -67,7 +142,9 @@ static efi_status_t virt_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm) efi_status_t status; spin_lock_irqsave(&rtc_lock, flags); + spin_lock(&efi_runtime_lock); status = efi_call_virt(set_wakeup_time, enabled, tm); + spin_unlock(&efi_runtime_lock); spin_unlock_irqrestore(&rtc_lock, flags); return status; } @@ -78,14 +155,27 @@ static efi_status_t virt_efi_get_variable(efi_char16_t *name, unsigned long *data_size, void *data) { - return efi_call_virt(get_variable, name, vendor, attr, data_size, data); + unsigned long flags; + efi_status_t status; + + spin_lock_irqsave(&efi_runtime_lock, flags); + status = efi_call_virt(get_variable, name, vendor, attr, data_size, + data); + spin_unlock_irqrestore(&efi_runtime_lock, flags); + return status; } static efi_status_t virt_efi_get_next_variable(unsigned long *name_size, efi_char16_t *name, efi_guid_t *vendor) { - return efi_call_virt(get_next_variable, name_size, name, vendor); + unsigned long flags; + efi_status_t status; + + spin_lock_irqsave(&efi_runtime_lock, flags); + status = efi_call_virt(get_next_variable, name_size, name, vendor); + spin_unlock_irqrestore(&efi_runtime_lock, flags); + return status; } static efi_status_t virt_efi_set_variable(efi_char16_t *name, @@ -94,24 +184,61 @@ static efi_status_t virt_efi_set_variable(efi_char16_t *name, unsigned long data_size, void *data) { - return efi_call_virt(set_variable, name, vendor, attr, data_size, data); + unsigned long flags; + efi_status_t status; + + spin_lock_irqsave(&efi_runtime_lock, flags); + status = efi_call_virt(set_variable, name, vendor, attr, data_size, + data); + spin_unlock_irqrestore(&efi_runtime_lock, flags); + return status; } +static efi_status_t +virt_efi_set_variable_nonblocking(efi_char16_t *name, efi_guid_t *vendor, + u32 attr, unsigned long data_size, + void *data) +{ + unsigned long flags; + efi_status_t status; + + if (!spin_trylock_irqsave(&efi_runtime_lock, flags)) + return EFI_NOT_READY; + + status = efi_call_virt(set_variable, name, vendor, attr, data_size, + data); + spin_unlock_irqrestore(&efi_runtime_lock, flags); + return status; +} + + static efi_status_t virt_efi_query_variable_info(u32 attr, u64 *storage_space, u64 *remaining_space, u64 *max_variable_size) { + unsigned long flags; + efi_status_t status; + if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION) return EFI_UNSUPPORTED; - return efi_call_virt(query_variable_info, attr, storage_space, - remaining_space, max_variable_size); + spin_lock_irqsave(&efi_runtime_lock, flags); + status = efi_call_virt(query_variable_info, attr, storage_space, + remaining_space, max_variable_size); + spin_unlock_irqrestore(&efi_runtime_lock, flags); + return status; } static efi_status_t virt_efi_get_next_high_mono_count(u32 *count) { - return efi_call_virt(get_next_high_mono_count, count); + unsigned long flags; + efi_status_t status; + + spin_lock_irqsave(&efi_runtime_lock, flags); + status = efi_call_virt(get_next_high_mono_count, count); + spin_unlock_irqrestore(&efi_runtime_lock, flags); + return status; } static void virt_efi_reset_system(int reset_type, @@ -119,17 +246,27 @@ static void virt_efi_reset_system(int reset_type, unsigned long data_size, efi_char16_t *data) { + unsigned long flags; + + spin_lock_irqsave(&efi_runtime_lock, flags); __efi_call_virt(reset_system, reset_type, status, data_size, data); + spin_unlock_irqrestore(&efi_runtime_lock, flags); } static efi_status_t virt_efi_update_capsule(efi_capsule_header_t **capsules, unsigned long count, unsigned long sg_list) { + unsigned long flags; + efi_status_t status; + if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION) return EFI_UNSUPPORTED; - return efi_call_virt(update_capsule, capsules, count, sg_list); + spin_lock_irqsave(&efi_runtime_lock, flags); + status = efi_call_virt(update_capsule, capsules, count, sg_list); + spin_unlock_irqrestore(&efi_runtime_lock, flags); + return status; } static efi_status_t virt_efi_query_capsule_caps(efi_capsule_header_t **capsules, @@ -137,11 +274,17 @@ static efi_status_t virt_efi_query_capsule_caps(efi_capsule_header_t **capsules, u64 *max_size, int *reset_type) { + unsigned long flags; + efi_status_t status; + if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION) return EFI_UNSUPPORTED; - return efi_call_virt(query_capsule_caps, capsules, count, max_size, - reset_type); + spin_lock_irqsave(&efi_runtime_lock, flags); + status = efi_call_virt(query_capsule_caps, capsules, count, max_size, + reset_type); + spin_unlock_irqrestore(&efi_runtime_lock, flags); + return status; } void efi_native_runtime_setup(void) @@ -153,6 +296,7 @@ void efi_native_runtime_setup(void) efi.get_variable = virt_efi_get_variable; efi.get_next_variable = virt_efi_get_next_variable; efi.set_variable = virt_efi_set_variable; + efi.set_variable_nonblocking = virt_efi_set_variable_nonblocking; efi.get_next_high_mono_count = virt_efi_get_next_high_mono_count; efi.reset_system = virt_efi_reset_system; efi.query_variable_info = virt_efi_query_variable_info; diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c index 5abe943e3404..70a0fb10517f 100644 --- a/drivers/firmware/efi/vars.c +++ b/drivers/firmware/efi/vars.c @@ -321,11 +321,11 @@ static unsigned long var_name_strnsize(efi_char16_t *variable_name, * Print a warning when duplicate EFI variables are encountered and * disable the sysfs workqueue since the firmware is buggy. */ -static void dup_variable_bug(efi_char16_t *s16, efi_guid_t *vendor_guid, +static void dup_variable_bug(efi_char16_t *str16, efi_guid_t *vendor_guid, unsigned long len16) { size_t i, len8 = len16 / sizeof(efi_char16_t); - char *s8; + char *str8; /* * Disable the workqueue since the algorithm it uses for @@ -334,16 +334,16 @@ static void dup_variable_bug(efi_char16_t *s16, efi_guid_t *vendor_guid, */ efivar_wq_enabled = false; - s8 = kzalloc(len8, GFP_KERNEL); - if (!s8) + str8 = kzalloc(len8, GFP_KERNEL); + if (!str8) return; for (i = 0; i < len8; i++) - s8[i] = s16[i]; + str8[i] = str16[i]; printk(KERN_WARNING "efivars: duplicate variable: %s-%pUl\n", - s8, vendor_guid); - kfree(s8); + str8, vendor_guid); + kfree(str8); } /** @@ -595,6 +595,39 @@ int efivar_entry_set(struct efivar_entry *entry, u32 attributes, } EXPORT_SYMBOL_GPL(efivar_entry_set); +/* + * efivar_entry_set_nonblocking - call set_variable_nonblocking() + * + * This function is guaranteed to not block and is suitable for calling + * from crash/panic handlers. + * + * Crucially, this function will not block if it cannot acquire + * __efivars->lock. Instead, it returns -EBUSY. + */ +static int +efivar_entry_set_nonblocking(efi_char16_t *name, efi_guid_t vendor, + u32 attributes, unsigned long size, void *data) +{ + const struct efivar_operations *ops = __efivars->ops; + unsigned long flags; + efi_status_t status; + + if (!spin_trylock_irqsave(&__efivars->lock, flags)) + return -EBUSY; + + status = check_var_size(attributes, size + ucs2_strsize(name, 1024)); + if (status != EFI_SUCCESS) { + spin_unlock_irqrestore(&__efivars->lock, flags); + return -ENOSPC; + } + + status = ops->set_variable_nonblocking(name, &vendor, attributes, + size, data); + + spin_unlock_irqrestore(&__efivars->lock, flags); + return efi_status_to_err(status); +} + /** * efivar_entry_set_safe - call set_variable() if enough space in firmware * @name: buffer containing the variable name @@ -622,6 +655,20 @@ int efivar_entry_set_safe(efi_char16_t *name, efi_guid_t vendor, u32 attributes, if (!ops->query_variable_store) return -ENOSYS; + /* + * If the EFI variable backend provides a non-blocking + * ->set_variable() operation and we're in a context where we + * cannot block, then we need to use it to avoid live-locks, + * since the implication is that the regular ->set_variable() + * will block. + * + * If no ->set_variable_nonblocking() is provided then + * ->set_variable() is assumed to be non-blocking. + */ + if (!block && ops->set_variable_nonblocking) + return efivar_entry_set_nonblocking(name, vendor, attributes, + size, data); + if (!block) { if (!spin_trylock_irqsave(&__efivars->lock, flags)) return -EBUSY; diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 9a0cc09e6653..e4a1490b42c2 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -260,7 +260,7 @@ static void armada_drm_vblank_off(struct armada_crtc *dcrtc) * Tell the DRM core that vblank IRQs aren't going to happen for * a while. This cleans up any pending vblank events for us. */ - drm_vblank_off(dev, dcrtc->num); + drm_crtc_vblank_off(&dcrtc->crtc); /* Handle any pending flip event. */ spin_lock_irq(&dev->event_lock); @@ -289,6 +289,8 @@ static void armada_drm_crtc_dpms(struct drm_crtc *crtc, int dpms) armada_drm_crtc_update(dcrtc); if (dpms_blanked(dpms)) armada_drm_vblank_off(dcrtc); + else + drm_crtc_vblank_on(&dcrtc->crtc); } } @@ -526,7 +528,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, /* Wait for pending flips to complete */ wait_event(dcrtc->frame_wait, !dcrtc->frame_work); - drm_vblank_pre_modeset(crtc->dev, dcrtc->num); + drm_crtc_vblank_off(crtc); crtc->mode = *adj; @@ -617,7 +619,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, armada_drm_crtc_update(dcrtc); - drm_vblank_post_modeset(crtc->dev, dcrtc->num); + drm_crtc_vblank_on(crtc); armada_drm_crtc_finish_fb(dcrtc, old_fb, dpms_blanked(dcrtc->dpms)); return 0; @@ -945,18 +947,15 @@ static int armada_drm_crtc_page_flip(struct drm_crtc *crtc, armada_reg_queue_end(work->regs, i); /* - * Hold the old framebuffer for the work - DRM appears to drop our - * reference to the old framebuffer in drm_mode_page_flip_ioctl(). + * Ensure that we hold a reference on the new framebuffer. + * This has to match the behaviour in mode_set. */ - drm_framebuffer_reference(work->old_fb); + drm_framebuffer_reference(fb); ret = armada_drm_crtc_queue_frame_work(dcrtc, work); if (ret) { - /* - * Undo our reference above; DRM does not drop the reference - * to this object on error, so that's okay. - */ - drm_framebuffer_unreference(work->old_fb); + /* Undo our reference above */ + drm_framebuffer_unreference(fb); kfree(work); return ret; } diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c index f672e6ad8afa..908e5316eac4 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -190,6 +190,7 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) if (ret) goto err_comp; + dev->irq_enabled = true; dev->vblank_disable_allowed = 1; ret = armada_fbdev_init(dev); @@ -331,7 +332,7 @@ static struct drm_driver armada_drm_driver = { .desc = "Armada SoC DRM", .date = "20120730", .driver_features = DRIVER_GEM | DRIVER_MODESET | - DRIVER_PRIME, + DRIVER_HAVE_IRQ | DRIVER_PRIME, .ioctls = armada_ioctls, .fops = &armada_drm_fops, }; diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c index e705335101a5..c2a1cba1e984 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.c +++ b/drivers/gpu/drm/cirrus/cirrus_drv.c @@ -32,6 +32,8 @@ static struct drm_driver driver; static const struct pci_device_id pciidlist[] = { { PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, 0x1af4, 0x1100, 0, 0, 0 }, + { PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, PCI_VENDOR_ID_XEN, + 0x0001, 0, 0, 0 }, {0,} }; diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index cd50ece31601..6adb1e5cfb08 100644 --- a/drivers/gpu/drm/exynos/exynos_dp_core.c +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c @@ -1355,13 +1355,8 @@ static void exynos_dp_unbind(struct device *dev, struct device *master, void *data) { struct exynos_drm_display *display = dev_get_drvdata(dev); - struct exynos_dp_device *dp = display->ctx; - struct drm_encoder *encoder = dp->encoder; exynos_dp_dpms(display, DRM_MODE_DPMS_OFF); - - exynos_dp_connector_destroy(&dp->connector); - encoder->funcs->destroy(encoder); } static const struct component_ops exynos_dp_ops = { diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 8e38e9f8e542..45026e693225 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -71,13 +71,16 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) !atomic_read(&exynos_crtc->pending_flip), HZ/20)) atomic_set(&exynos_crtc->pending_flip, 0); - drm_vblank_off(crtc->dev, exynos_crtc->pipe); + drm_crtc_vblank_off(crtc); } if (manager->ops->dpms) manager->ops->dpms(manager, mode); exynos_crtc->dpms = mode; + + if (mode == DRM_MODE_DPMS_ON) + drm_crtc_vblank_on(crtc); } static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 96c87db388fb..3dc678ed9949 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -338,14 +338,10 @@ struct exynos_drm_display *exynos_dpi_probe(struct device *dev) int exynos_dpi_remove(struct device *dev) { - struct drm_encoder *encoder = exynos_dpi_display.encoder; struct exynos_dpi *ctx = exynos_dpi_display.ctx; exynos_dpi_dpms(&exynos_dpi_display, DRM_MODE_DPMS_OFF); - exynos_dpi_connector_destroy(&ctx->connector); - encoder->funcs->destroy(encoder); - if (ctx->panel) drm_panel_detach(ctx->panel); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 443a2069858a..e5c4c6c8c967 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -87,16 +87,12 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) plane = exynos_plane_init(dev, possible_crtcs, DRM_PLANE_TYPE_OVERLAY); - if (IS_ERR(plane)) - goto err_mode_config_cleanup; - } + if (!IS_ERR(plane)) + continue; - /* init kms poll for handling hpd */ - drm_kms_helper_poll_init(dev); - - ret = drm_vblank_init(dev, MAX_CRTC); - if (ret) + ret = PTR_ERR(plane); goto err_mode_config_cleanup; + } /* setup possible_clones. */ exynos_drm_encoder_setup(dev); @@ -106,15 +102,16 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) /* Try to bind all sub drivers. */ ret = component_bind_all(dev->dev, dev); if (ret) - goto err_cleanup_vblank; + goto err_mode_config_cleanup; + + ret = drm_vblank_init(dev, dev->mode_config.num_crtc); + if (ret) + goto err_unbind_all; /* Probe non kms sub drivers and virtual display driver. */ ret = exynos_drm_device_subdrv_probe(dev); if (ret) - goto err_unbind_all; - - /* force connectors detection */ - drm_helper_hpd_irq_event(dev); + goto err_cleanup_vblank; /* * enable drm irq mode. @@ -133,12 +130,18 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) */ dev->vblank_disable_allowed = true; + /* init kms poll for handling hpd */ + drm_kms_helper_poll_init(dev); + + /* force connectors detection */ + drm_helper_hpd_irq_event(dev); + return 0; -err_unbind_all: - component_unbind_all(dev->dev, dev); err_cleanup_vblank: drm_vblank_cleanup(dev); +err_unbind_all: + component_unbind_all(dev->dev, dev); err_mode_config_cleanup: drm_mode_config_cleanup(dev); drm_release_iommu_mapping(dev); @@ -155,8 +158,8 @@ static int exynos_drm_unload(struct drm_device *dev) exynos_drm_fbdev_fini(dev); drm_kms_helper_poll_fini(dev); - component_unbind_all(dev->dev, dev); drm_vblank_cleanup(dev); + component_unbind_all(dev->dev, dev); drm_mode_config_cleanup(dev); drm_release_iommu_mapping(dev); @@ -191,8 +194,12 @@ static int exynos_drm_resume(struct drm_device *dev) drm_modeset_lock_all(dev); list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (connector->funcs->dpms) - connector->funcs->dpms(connector, connector->dpms); + if (connector->funcs->dpms) { + int dpms = connector->dpms; + + connector->dpms = DRM_MODE_DPMS_OFF; + connector->funcs->dpms(connector, dpms); + } } drm_modeset_unlock_all(dev); @@ -488,6 +495,12 @@ static struct component_match *exynos_drm_match_add(struct device *dev) mutex_lock(&drm_component_lock); + /* Do not retry to probe if there is no any kms driver regitered. */ + if (list_empty(&drm_component_list)) { + mutex_unlock(&drm_component_lock); + return ERR_PTR(-ENODEV); + } + list_for_each_entry(cdev, &drm_component_list, list) { /* * Add components to master only in case that crtc and @@ -578,10 +591,21 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) goto err_unregister_mixer_drv; #endif + match = exynos_drm_match_add(&pdev->dev); + if (IS_ERR(match)) { + ret = PTR_ERR(match); + goto err_unregister_hdmi_drv; + } + + ret = component_master_add_with_match(&pdev->dev, &exynos_drm_ops, + match); + if (ret < 0) + goto err_unregister_hdmi_drv; + #ifdef CONFIG_DRM_EXYNOS_G2D ret = platform_driver_register(&g2d_driver); if (ret < 0) - goto err_unregister_hdmi_drv; + goto err_del_component_master; #endif #ifdef CONFIG_DRM_EXYNOS_FIMC @@ -612,23 +636,9 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) goto err_unregister_ipp_drv; #endif - match = exynos_drm_match_add(&pdev->dev); - if (IS_ERR(match)) { - ret = PTR_ERR(match); - goto err_unregister_resources; - } - - ret = component_master_add_with_match(&pdev->dev, &exynos_drm_ops, - match); - if (ret < 0) - goto err_unregister_resources; - return ret; -err_unregister_resources: - #ifdef CONFIG_DRM_EXYNOS_IPP - exynos_platform_device_ipp_unregister(); err_unregister_ipp_drv: platform_driver_unregister(&ipp_driver); err_unregister_gsc_drv: @@ -651,9 +661,11 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) #ifdef CONFIG_DRM_EXYNOS_G2D platform_driver_unregister(&g2d_driver); -err_unregister_hdmi_drv: +err_del_component_master: #endif + component_master_del(&pdev->dev, &exynos_drm_ops); +err_unregister_hdmi_drv: #ifdef CONFIG_DRM_EXYNOS_HDMI platform_driver_unregister(&hdmi_driver); err_unregister_mixer_drv: @@ -734,6 +746,18 @@ static int exynos_drm_init(void) { int ret; + /* + * Register device object only in case of Exynos SoC. + * + * Below codes resolves temporarily infinite loop issue incurred + * by Exynos drm driver when using multi-platform kernel. + * So these codes will be replaced with more generic way later. + */ + if (!of_machine_is_compatible("samsung,exynos3") && + !of_machine_is_compatible("samsung,exynos4") && + !of_machine_is_compatible("samsung,exynos5")) + return -ENODEV; + exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1, NULL, 0); if (IS_ERR(exynos_drm_pdev)) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 24741d8758e8..acf7e9e39dcd 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1660,13 +1660,9 @@ static void exynos_dsi_unbind(struct device *dev, struct device *master, void *data) { struct exynos_dsi *dsi = exynos_dsi_display.ctx; - struct drm_encoder *encoder = dsi->encoder; exynos_dsi_dpms(&exynos_dsi_display, DRM_MODE_DPMS_OFF); - exynos_dsi_connector_destroy(&dsi->connector); - encoder->funcs->destroy(encoder); - mipi_dsi_host_unregister(&dsi->dsi_host); } diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index df7a77d3eff8..6ff8599f6cbf 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -302,9 +302,12 @@ static void g2d_fini_cmdlist(struct g2d_data *g2d) struct exynos_drm_subdrv *subdrv = &g2d->subdrv; kfree(g2d->cmdlist_node); - dma_free_attrs(subdrv->drm_dev->dev, G2D_CMDLIST_POOL_SIZE, - g2d->cmdlist_pool_virt, - g2d->cmdlist_pool, &g2d->cmdlist_dma_attrs); + + if (g2d->cmdlist_pool_virt && g2d->cmdlist_pool) { + dma_free_attrs(subdrv->drm_dev->dev, G2D_CMDLIST_POOL_SIZE, + g2d->cmdlist_pool_virt, + g2d->cmdlist_pool, &g2d->cmdlist_dma_attrs); + } } static struct g2d_cmdlist_node *g2d_get_cmdlist(struct g2d_data *g2d) diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index d565207040a2..50faf913e574 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -630,7 +630,6 @@ static int vidi_remove(struct platform_device *pdev) { struct exynos_drm_manager *mgr = platform_get_drvdata(pdev); struct vidi_context *ctx = mgr->ctx; - struct drm_encoder *encoder = ctx->encoder; if (ctx->raw_edid != (struct edid *)fake_edid_info) { kfree(ctx->raw_edid); @@ -639,9 +638,6 @@ static int vidi_remove(struct platform_device *pdev) return -EINVAL; } - encoder->funcs->destroy(encoder); - drm_connector_cleanup(&ctx->connector); - return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 7910fb37d9bb..563a19e62eb2 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -2312,12 +2312,6 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data) static void hdmi_unbind(struct device *dev, struct device *master, void *data) { - struct exynos_drm_display *display = get_hdmi_display(dev); - struct drm_encoder *encoder = display->encoder; - struct hdmi_context *hdata = display->ctx; - - hdmi_connector_destroy(&hdata->connector); - encoder->funcs->destroy(encoder); } static const struct component_ops hdmi_component_ops = { diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 055d5e7fbf12..2318b4c7a8f8 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -986,6 +986,15 @@ static int i915_pm_freeze(struct device *dev) return i915_drm_freeze(drm_dev); } +static int i915_pm_freeze_late(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct drm_i915_private *dev_priv = drm_dev->dev_private; + + return intel_suspend_complete(dev_priv); +} + static int i915_pm_thaw_early(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -1570,6 +1579,7 @@ static const struct dev_pm_ops i915_pm_ops = { .resume_early = i915_pm_resume_early, .resume = i915_pm_resume, .freeze = i915_pm_freeze, + .freeze_late = i915_pm_freeze_late, .thaw_early = i915_pm_thaw_early, .thaw = i915_pm_thaw, .poweroff = i915_pm_poweroff, diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index b672b843fd5e..728938f02341 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1902,6 +1902,22 @@ static void bdw_setup_private_ppat(struct drm_i915_private *dev_priv) GEN8_PPAT(6, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)) | GEN8_PPAT(7, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3)); + if (!USES_PPGTT(dev_priv->dev)) + /* Spec: "For GGTT, there is NO pat_sel[2:0] from the entry, + * so RTL will always use the value corresponding to + * pat_sel = 000". + * So let's disable cache for GGTT to avoid screen corruptions. + * MOCS still can be used though. + * - System agent ggtt writes (i.e. cpu gtt mmaps) already work + * before this patch, i.e. the same uncached + snooping access + * like on gen6/7 seems to be in effect. + * - So this just fixes blitter/render access. Again it looks + * like it's not just uncached access, but uncached + snooping. + * So we can still hold onto all our assumptions wrt cpu + * clflushing on LLC machines. + */ + pat = GEN8_PPAT(0, GEN8_PPAT_UC); + /* XXX: spec defines this as 2 distinct registers. It's unclear if a 64b * write would work. */ I915_WRITE(GEN8_PRIVATE_PAT, pat); diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index 2cefb597df6d..2b1eaa29ada4 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -364,22 +364,9 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, * has to also include the unfenced register the GPU uses * whilst executing a fenced command for an untiled object. */ - - obj->map_and_fenceable = - !i915_gem_obj_ggtt_bound(obj) || - (i915_gem_obj_ggtt_offset(obj) + - obj->base.size <= dev_priv->gtt.mappable_end && - i915_gem_object_fence_ok(obj, args->tiling_mode)); - - /* Rebind if we need a change of alignment */ - if (!obj->map_and_fenceable) { - u32 unfenced_align = - i915_gem_get_gtt_alignment(dev, obj->base.size, - args->tiling_mode, - false); - if (i915_gem_obj_ggtt_offset(obj) & (unfenced_align - 1)) - ret = i915_gem_object_ggtt_unbind(obj); - } + if (obj->map_and_fenceable && + !i915_gem_object_fence_ok(obj, args->tiling_mode)) + ret = i915_gem_object_ggtt_unbind(obj); if (ret == 0) { obj->fence_dirty = diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 3201986bf25e..f66392b6e287 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1711,7 +1711,7 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev, #define HPD_STORM_DETECT_PERIOD 1000 #define HPD_STORM_THRESHOLD 5 -static int ilk_port_to_hotplug_shift(enum port port) +static int pch_port_to_hotplug_shift(enum port port) { switch (port) { case PORT_A: @@ -1727,7 +1727,7 @@ static int ilk_port_to_hotplug_shift(enum port port) } } -static int g4x_port_to_hotplug_shift(enum port port) +static int i915_port_to_hotplug_shift(enum port port) { switch (port) { case PORT_A: @@ -1785,12 +1785,12 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev, if (port && dev_priv->hpd_irq_port[port]) { bool long_hpd; - if (IS_G4X(dev)) { - dig_shift = g4x_port_to_hotplug_shift(port); - long_hpd = (hotplug_trigger >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT; - } else { - dig_shift = ilk_port_to_hotplug_shift(port); + if (HAS_PCH_SPLIT(dev)) { + dig_shift = pch_port_to_hotplug_shift(port); long_hpd = (dig_hotplug_reg >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT; + } else { + dig_shift = i915_port_to_hotplug_shift(port); + long_hpd = (hotplug_trigger >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT; } DRM_DEBUG_DRIVER("digital hpd port %c - %s\n", @@ -3458,12 +3458,13 @@ static void gen8_irq_reset(struct drm_device *dev) void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv) { unsigned long irqflags; + uint32_t extra_ier = GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_B, dev_priv->de_irq_mask[PIPE_B], - ~dev_priv->de_irq_mask[PIPE_B]); + ~dev_priv->de_irq_mask[PIPE_B] | extra_ier); GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_C, dev_priv->de_irq_mask[PIPE_C], - ~dev_priv->de_irq_mask[PIPE_C]); + ~dev_priv->de_irq_mask[PIPE_C] | extra_ier); spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 507370513f3d..f0a1a56406eb 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -73,9 +73,6 @@ static const uint32_t intel_cursor_formats[] = { DRM_FORMAT_ARGB8888, }; -#define DIV_ROUND_CLOSEST_ULL(ll, d) \ -({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; }) - static void intel_increase_pllclock(struct drm_device *dev, enum pipe pipe); static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); @@ -4588,7 +4585,7 @@ static void vlv_update_cdclk(struct drm_device *dev) * BSpec erroneously claims we should aim for 4MHz, but * in fact 1MHz is the correct frequency. */ - I915_WRITE(GMBUSFREQ_VLV, dev_priv->vlv_cdclk_freq); + I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->vlv_cdclk_freq, 1000)); } /* Adjust CDclk dividers to allow high res or save power if possible */ @@ -12357,27 +12354,36 @@ static void intel_setup_outputs(struct drm_device *dev) if (I915_READ(PCH_DP_D) & DP_DETECTED) intel_dp_init(dev, PCH_DP_D, PORT_D); } else if (IS_VALLEYVIEW(dev)) { - if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED) { + /* + * The DP_DETECTED bit is the latched state of the DDC + * SDA pin at boot. However since eDP doesn't require DDC + * (no way to plug in a DP->HDMI dongle) the DDC pins for + * eDP ports may have been muxed to an alternate function. + * Thus we can't rely on the DP_DETECTED bit alone to detect + * eDP ports. Consult the VBT as well as DP_DETECTED to + * detect eDP ports. + */ + if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED) intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIB, PORT_B); - if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED) - intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); - } + if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED || + intel_dp_is_edp(dev, PORT_B)) + intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); - if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIC) & SDVO_DETECTED) { + if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIC) & SDVO_DETECTED) intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIC, PORT_C); - if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED) - intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); - } + if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED || + intel_dp_is_edp(dev, PORT_C)) + intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); if (IS_CHERRYVIEW(dev)) { - if (I915_READ(VLV_DISPLAY_BASE + CHV_HDMID) & SDVO_DETECTED) { + if (I915_READ(VLV_DISPLAY_BASE + CHV_HDMID) & SDVO_DETECTED) intel_hdmi_init(dev, VLV_DISPLAY_BASE + CHV_HDMID, PORT_D); - if (I915_READ(VLV_DISPLAY_BASE + DP_D) & DP_DETECTED) - intel_dp_init(dev, VLV_DISPLAY_BASE + DP_D, PORT_D); - } + /* eDP not supported on port D, so don't check VBT */ + if (I915_READ(VLV_DISPLAY_BASE + DP_D) & DP_DETECTED) + intel_dp_init(dev, VLV_DISPLAY_BASE + DP_D, PORT_D); } intel_dsi_init(dev); @@ -12879,6 +12885,9 @@ static struct intel_quirk intel_quirks[] = { /* Acer C720 Chromebook (Core i3 4005U) */ { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, + /* Apple Macbook 2,1 (Core 2 T7400) */ + { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, + /* Toshiba CB35 Chromebook (Celeron 2955U) */ { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f6a3fdd5589e..5ad45bfff3fe 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2806,6 +2806,13 @@ intel_dp_dpcd_read_wake(struct drm_dp_aux *aux, unsigned int offset, ssize_t ret; int i; + /* + * Sometime we just get the same incorrect byte repeated + * over the entire buffer. Doing just one throw away read + * initially seems to "solve" it. + */ + drm_dp_dpcd_read(aux, DP_DPCD_REV, buffer, 1); + for (i = 0; i < 3; i++) { ret = drm_dp_dpcd_read(aux, offset, buffer, size); if (ret == size) @@ -3724,9 +3731,10 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) } } - /* Training Pattern 3 support */ + /* Training Pattern 3 support, both source and sink */ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x12 && - intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED) { + intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED && + (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)) { intel_dp->use_tps3 = true; DRM_DEBUG_KMS("Displayport TPS3 supported\n"); } else @@ -4491,6 +4499,18 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) if (intel_dig_port->base.type != INTEL_OUTPUT_EDP) intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT; + if (long_hpd && intel_dig_port->base.type == INTEL_OUTPUT_EDP) { + /* + * vdd off can generate a long pulse on eDP which + * would require vdd on to handle it, and thus we + * would end up in an endless cycle of + * "vdd off -> long hpd -> vdd on -> detect -> vdd off -> ..." + */ + DRM_DEBUG_KMS("ignoring long hpd on eDP port %c\n", + port_name(intel_dig_port->port)); + return false; + } + DRM_DEBUG_KMS("got hpd irq on port %c - %s\n", port_name(intel_dig_port->port), long_hpd ? "long" : "short"); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 07ce04683c30..ba715229a540 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -35,6 +35,9 @@ #include #include +#define DIV_ROUND_CLOSEST_ULL(ll, d) \ +({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; }) + /** * _wait_for - magic (register) wait macro * diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 18784470a760..41b3be217493 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -419,9 +419,8 @@ static uint32_t scale(uint32_t source_val, source_val = clamp(source_val, source_min, source_max); /* avoid overflows */ - target_val = (uint64_t)(source_val - source_min) * - (target_max - target_min); - do_div(target_val, source_max - source_min); + target_val = DIV_ROUND_CLOSEST_ULL((uint64_t)(source_val - source_min) * + (target_max - target_min), source_max - source_min); target_val += target_min; return target_val; @@ -1099,12 +1098,25 @@ static u32 get_backlight_min_vbt(struct intel_connector *connector) struct drm_device *dev = connector->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_panel *panel = &connector->panel; + int min; WARN_ON(panel->backlight.max == 0); + /* + * XXX: If the vbt value is 255, it makes min equal to max, which leads + * to problems. There are such machines out there. Either our + * interpretation is wrong or the vbt has bogus data. Or both. Safeguard + * against this by letting the minimum be at most (arbitrarily chosen) + * 25% of the max. + */ + min = clamp_t(int, dev_priv->vbt.backlight.min_brightness, 0, 64); + if (min != dev_priv->vbt.backlight.min_brightness) { + DRM_DEBUG_KMS("clamping VBT min backlight %d/255 to %d/255\n", + dev_priv->vbt.backlight.min_brightness, min); + } + /* vbt value is a coefficient in range [0..255] */ - return scale(dev_priv->vbt.backlight.min_brightness, 0, 255, - 0, panel->backlight.max); + return scale(min, 0, 255, 0, panel->backlight.max); } static int bdw_setup_backlight(struct intel_connector *connector) diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv50.c b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv50.c index 552fdbd45ebe..1d0e33fb5f61 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv50.c @@ -113,6 +113,8 @@ #define IS_NVA3F(x) (((x) > 0xa0 && (x) < 0xaa) || (x) == 0xaf) #define IS_NVAAF(x) ((x) >= 0xaa && (x) <= 0xac) +#include + /* * This code deals with PGRAPH contexts on NV50 family cards. Like NV40, it's * the GPU itself that does context-switching, but it needs a special @@ -569,8 +571,12 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx) gr_def(ctx, 0x407d08, 0x00010040); else if (device->chipset < 0xa0) gr_def(ctx, 0x407d08, 0x00390040); - else - gr_def(ctx, 0x407d08, 0x003d0040); + else { + if (nouveau_fb(device)->ram->type != NV_MEM_TYPE_GDDR5) + gr_def(ctx, 0x407d08, 0x003d0040); + else + gr_def(ctx, 0x407d08, 0x003c0040); + } gr_def(ctx, 0x407d0c, 0x00000022); } diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/gk20a.c b/drivers/gpu/drm/nouveau/core/subdev/fb/gk20a.c index a16024a74771..fde42e4d1b56 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/gk20a.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/gk20a.c @@ -26,6 +26,20 @@ struct gk20a_fb_priv { struct nouveau_fb base; }; +static int +gk20a_fb_init(struct nouveau_object *object) +{ + struct gk20a_fb_priv *priv = (void *)object; + int ret; + + ret = nouveau_fb_init(&priv->base); + if (ret) + return ret; + + nv_mask(priv, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */ + return 0; +} + static int gk20a_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, void *data, u32 size, @@ -48,7 +62,7 @@ gk20a_fb_oclass = &(struct nouveau_fb_impl) { .base.ofuncs = &(struct nouveau_ofuncs) { .ctor = gk20a_fb_ctor, .dtor = _nouveau_fb_dtor, - .init = _nouveau_fb_init, + .init = gk20a_fb_init, .fini = _nouveau_fb_fini, }, .memtype = nvc0_fb_memtype_valid, diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index 589dbb582da2..fd3dbd59d73e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -400,15 +400,20 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device, struct nouveau_channel **pchan) { struct nouveau_cli *cli = (void *)nvif_client(&device->base); + bool super; int ret; + /* hack until fencenv50 is fixed, and agp access relaxed */ + super = cli->base.super; + cli->base.super = true; + ret = nouveau_channel_ind(drm, device, handle, arg0, pchan); if (ret) { NV_PRINTK(debug, cli, "ib channel create, %d\n", ret); ret = nouveau_channel_dma(drm, device, handle, pchan); if (ret) { NV_PRINTK(debug, cli, "dma channel create, %d\n", ret); - return ret; + goto done; } } @@ -416,8 +421,9 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device, if (ret) { NV_PRINTK(error, cli, "channel failed to initialise, %d\n", ret); nouveau_channel_del(pchan); - return ret; } - return 0; +done: + cli->base.super = super; + return ret; } diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index ae873d1a8d46..eb8b36714fa1 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -790,6 +790,22 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update) return 0; } +static int +nv50_crtc_set_raster_vblank_dmi(struct nouveau_crtc *nv_crtc, u32 usec) +{ + struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev); + u32 *push; + + push = evo_wait(mast, 8); + if (!push) + return -ENOMEM; + + evo_mthd(push, 0x0828 + (nv_crtc->index * 0x400), 1); + evo_data(push, usec); + evo_kick(push, mast); + return 0; +} + static int nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update) { @@ -1104,14 +1120,14 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2); evo_data(push, 0x00800000 | mode->clock); evo_data(push, (ilace == 2) ? 2 : 0); - evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 8); + evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6); evo_data(push, 0x00000000); evo_data(push, (vactive << 16) | hactive); evo_data(push, ( vsynce << 16) | hsynce); evo_data(push, (vblanke << 16) | hblanke); evo_data(push, (vblanks << 16) | hblanks); evo_data(push, (vblan2e << 16) | vblan2s); - evo_data(push, vblankus); + evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1); evo_data(push, 0x00000000); evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2); evo_data(push, 0x00000311); @@ -1141,6 +1157,11 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, nv_connector = nouveau_crtc_connector_get(nv_crtc); nv50_crtc_set_dither(nv_crtc, false); nv50_crtc_set_scale(nv_crtc, false); + + /* G94 only accepts this after setting scale */ + if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) + nv50_crtc_set_raster_vblank_dmi(nv_crtc, vblankus); + nv50_crtc_set_color_vibrance(nv_crtc, false); nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, false); return 0; diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index af9e78546688..0d1396266857 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -572,7 +572,6 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc, struct qxl_framebuffer *qfb; struct qxl_bo *bo, *old_bo = NULL; struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); - uint32_t width, height, base_offset; bool recreate_primary = false; int ret; int surf_id; @@ -602,9 +601,10 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc, if (qcrtc->index == 0) recreate_primary = true; - width = mode->hdisplay; - height = mode->vdisplay; - base_offset = 0; + if (bo->surf.stride * bo->surf.height > qdev->vram_size) { + DRM_ERROR("Mode doesn't fit in vram size (vgamem)"); + return -EINVAL; + } ret = qxl_bo_reserve(bo, false); if (ret != 0) @@ -618,10 +618,10 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc, if (recreate_primary) { qxl_io_destroy_primary(qdev); qxl_io_log(qdev, - "recreate primary: %dx%d (was %dx%d,%d,%d)\n", - width, height, bo->surf.width, - bo->surf.height, bo->surf.stride, bo->surf.format); - qxl_io_create_primary(qdev, base_offset, bo); + "recreate primary: %dx%d,%d,%d\n", + bo->surf.width, bo->surf.height, + bo->surf.stride, bo->surf.format); + qxl_io_create_primary(qdev, 0, bo); bo->is_primary = true; } diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index 15da7ef344a4..ec1593a6a561 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -1217,7 +1217,7 @@ static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32 return ret; } -int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) +int atom_execute_table_scratch_unlocked(struct atom_context *ctx, int index, uint32_t * params) { int r; @@ -1238,6 +1238,15 @@ int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) return r; } +int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) +{ + int r; + mutex_lock(&ctx->scratch_mutex); + r = atom_execute_table_scratch_unlocked(ctx, index, params); + mutex_unlock(&ctx->scratch_mutex); + return r; +} + static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 }; static void atom_index_iio(struct atom_context *ctx, int base) diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h index feba6b8d36b3..6d014ddb6b78 100644 --- a/drivers/gpu/drm/radeon/atom.h +++ b/drivers/gpu/drm/radeon/atom.h @@ -125,6 +125,7 @@ struct card_info { struct atom_context { struct card_info *card; struct mutex mutex; + struct mutex scratch_mutex; void *bios; uint32_t cmd_table, data_table; uint16_t *iio; @@ -145,6 +146,7 @@ extern int atom_debug; struct atom_context *atom_parse(struct card_info *, void *); int atom_execute_table(struct atom_context *, int, uint32_t *); +int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *); int atom_asic_init(struct atom_context *); void atom_destroy(struct atom_context *); bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 95d5d4ab3335..11ba9d21b89b 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -100,6 +100,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, memset(&args, 0, sizeof(args)); mutex_lock(&chan->mutex); + mutex_lock(&rdev->mode_info.atom_context->scratch_mutex); base = (unsigned char *)(rdev->mode_info.atom_context->scratch + 1); @@ -113,7 +114,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, if (ASIC_IS_DCE4(rdev)) args.v2.ucHPD_ID = chan->rec.hpd; - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + atom_execute_table_scratch_unlocked(rdev->mode_info.atom_context, index, (uint32_t *)&args); *ack = args.v1.ucReplyStatus; @@ -147,6 +148,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, r = recv_bytes; done: + mutex_unlock(&rdev->mode_info.atom_context->scratch_mutex); mutex_unlock(&chan->mutex); return r; diff --git a/drivers/gpu/drm/radeon/atombios_i2c.c b/drivers/gpu/drm/radeon/atombios_i2c.c index 9c570fb15b8c..4157780585a0 100644 --- a/drivers/gpu/drm/radeon/atombios_i2c.c +++ b/drivers/gpu/drm/radeon/atombios_i2c.c @@ -48,6 +48,7 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan, memset(&args, 0, sizeof(args)); mutex_lock(&chan->mutex); + mutex_lock(&rdev->mode_info.atom_context->scratch_mutex); base = (unsigned char *)rdev->mode_info.atom_context->scratch; @@ -82,7 +83,7 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan, args.ucSlaveAddr = slave_addr << 1; args.ucLineNumber = chan->rec.i2c_id; - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + atom_execute_table_scratch_unlocked(rdev->mode_info.atom_context, index, (uint32_t *)&args); /* error */ if (args.ucStatus != HW_ASSISTED_I2C_STATUS_SUCCESS) { @@ -95,6 +96,7 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan, radeon_atom_copy_swap(buf, base, num, false); done: + mutex_unlock(&rdev->mode_info.atom_context->scratch_mutex); mutex_unlock(&chan->mutex); return r; diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c index 300d971187c4..0b2929de9f41 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -24,6 +24,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "btcd.h" #include "r600_dpm.h" #include "cypress_dpm.h" @@ -1170,6 +1171,23 @@ static const struct radeon_blacklist_clocks btc_blacklist_clocks[] = { 25000, 30000, RADEON_SCLK_UP } }; +void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table, + u32 *max_clock) +{ + u32 i, clock = 0; + + if ((table == NULL) || (table->count == 0)) { + *max_clock = clock; + return; + } + + for (i = 0; i < table->count; i++) { + if (clock < table->entries[i].clk) + clock = table->entries[i].clk; + } + *max_clock = clock; +} + void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table, u32 clock, u16 max_voltage, u16 *voltage) { diff --git a/drivers/gpu/drm/radeon/btc_dpm.h b/drivers/gpu/drm/radeon/btc_dpm.h index 1a15e0e41950..3b6f12b7760b 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.h +++ b/drivers/gpu/drm/radeon/btc_dpm.h @@ -46,6 +46,8 @@ void btc_adjust_clock_combinations(struct radeon_device *rdev, struct rv7xx_pl *pl); void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table, u32 clock, u16 max_voltage, u16 *voltage); +void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table, + u32 *max_clock); void btc_apply_voltage_delta_rules(struct radeon_device *rdev, u16 max_vddc, u16 max_vddci, u16 *vddc, u16 *vddci); diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index f5c8c0445a94..11a55e9dad7f 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -24,6 +24,7 @@ #include #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "radeon_ucode.h" #include "cikd.h" #include "r600_dpm.h" diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 377afa504d2b..89c01fa6dd8e 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -4313,8 +4313,8 @@ static int cik_cp_gfx_start(struct radeon_device *rdev) /* init the CE partitions. CE only used for gfx on CIK */ radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2)); radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE)); - radeon_ring_write(ring, 0xc000); - radeon_ring_write(ring, 0xc000); + radeon_ring_write(ring, 0x8000); + radeon_ring_write(ring, 0x8000); /* setup clear context state */ radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); @@ -9447,6 +9447,9 @@ void dce8_bandwidth_update(struct radeon_device *rdev) u32 num_heads = 0, lb_size; int i; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); for (i = 0; i < rdev->num_crtc; i++) { diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c index c77dad1a4576..d748963af08b 100644 --- a/drivers/gpu/drm/radeon/cik_sdma.c +++ b/drivers/gpu/drm/radeon/cik_sdma.c @@ -611,16 +611,19 @@ int cik_sdma_ring_test(struct radeon_device *rdev, { unsigned i; int r; - void __iomem *ptr = (void *)rdev->vram_scratch.ptr; + unsigned index; u32 tmp; + u64 gpu_addr; - if (!ptr) { - DRM_ERROR("invalid vram scratch pointer\n"); - return -EINVAL; - } + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + index = R600_WB_DMA_RING_TEST_OFFSET; + else + index = CAYMAN_WB_DMA1_RING_TEST_OFFSET; + + gpu_addr = rdev->wb.gpu_addr + index; tmp = 0xCAFEDEAD; - writel(tmp, ptr); + rdev->wb.wb[index/4] = cpu_to_le32(tmp); r = radeon_ring_lock(rdev, ring, 5); if (r) { @@ -628,14 +631,14 @@ int cik_sdma_ring_test(struct radeon_device *rdev, return r; } radeon_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0)); - radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc); - radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr)); + radeon_ring_write(ring, lower_32_bits(gpu_addr)); + radeon_ring_write(ring, upper_32_bits(gpu_addr)); radeon_ring_write(ring, 1); /* number of DWs to follow */ radeon_ring_write(ring, 0xDEADBEEF); radeon_ring_unlock_commit(rdev, ring, false); for (i = 0; i < rdev->usec_timeout; i++) { - tmp = readl(ptr); + tmp = le32_to_cpu(rdev->wb.wb[index/4]); if (tmp == 0xDEADBEEF) break; DRM_UDELAY(1); @@ -664,17 +667,20 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) { struct radeon_ib ib; unsigned i; + unsigned index; int r; - void __iomem *ptr = (void *)rdev->vram_scratch.ptr; u32 tmp = 0; + u64 gpu_addr; - if (!ptr) { - DRM_ERROR("invalid vram scratch pointer\n"); - return -EINVAL; - } + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + index = R600_WB_DMA_RING_TEST_OFFSET; + else + index = CAYMAN_WB_DMA1_RING_TEST_OFFSET; + + gpu_addr = rdev->wb.gpu_addr + index; tmp = 0xCAFEDEAD; - writel(tmp, ptr); + rdev->wb.wb[index/4] = cpu_to_le32(tmp); r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); if (r) { @@ -683,8 +689,8 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) } ib.ptr[0] = SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0); - ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc; - ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr); + ib.ptr[1] = lower_32_bits(gpu_addr); + ib.ptr[2] = upper_32_bits(gpu_addr); ib.ptr[3] = 1; ib.ptr[4] = 0xDEADBEEF; ib.length_dw = 5; @@ -701,7 +707,7 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) return r; } for (i = 0; i < rdev->usec_timeout; i++) { - tmp = readl(ptr); + tmp = le32_to_cpu(rdev->wb.wb[index/4]); if (tmp == 0xDEADBEEF) break; DRM_UDELAY(1); diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index 47d31e915758..9aad0327e4d1 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.c +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -24,6 +24,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "evergreend.h" #include "r600_dpm.h" #include "cypress_dpm.h" diff --git a/drivers/gpu/drm/radeon/dce3_1_afmt.c b/drivers/gpu/drm/radeon/dce3_1_afmt.c index 950af153f30e..2fe8cfc966d9 100644 --- a/drivers/gpu/drm/radeon/dce3_1_afmt.c +++ b/drivers/gpu/drm/radeon/dce3_1_afmt.c @@ -32,7 +32,7 @@ static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder) struct drm_connector *connector; struct radeon_connector *radeon_connector = NULL; u32 tmp; - u8 *sadb; + u8 *sadb = NULL; int sad_count; list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { @@ -49,8 +49,8 @@ static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder) sad_count = drm_edid_to_speaker_allocation(radeon_connector->edid, &sadb); if (sad_count < 0) { - DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); - return; + DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); + sad_count = 0; } /* program the speaker allocation */ diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c index c0bbf68dbc27..f312edf4d50e 100644 --- a/drivers/gpu/drm/radeon/dce6_afmt.c +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -155,7 +155,7 @@ void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder) struct drm_connector *connector; struct radeon_connector *radeon_connector = NULL; u32 offset, tmp; - u8 *sadb; + u8 *sadb = NULL; int sad_count; if (!dig || !dig->afmt || !dig->afmt->pin) @@ -176,9 +176,9 @@ void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder) } sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), &sadb); - if (sad_count <= 0) { - DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); - return; + if (sad_count < 0) { + DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); + sad_count = 0; } /* program the speaker allocation */ diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index a31f1ca40c6a..85995b4e3338 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2345,6 +2345,9 @@ void evergreen_bandwidth_update(struct radeon_device *rdev) u32 num_heads = 0, lb_size; int i; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); for (i = 0; i < rdev->num_crtc; i++) { @@ -2552,6 +2555,7 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } } else { tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); @@ -3005,7 +3009,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) u32 vgt_cache_invalidation; u32 hdp_host_path_cntl, tmp; u32 disabled_rb_mask; - int i, j, num_shader_engines, ps_thread_count; + int i, j, ps_thread_count; switch (rdev->family) { case CHIP_CYPRESS: @@ -3303,8 +3307,6 @@ static void evergreen_gpu_init(struct radeon_device *rdev) rdev->config.evergreen.tile_config |= ((gb_addr_config & 0x30000000) >> 28) << 12; - num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1; - if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) { u32 efuse_straps_4; u32 efuse_straps_3; diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index 2514d659b1ba..53abd9b17a50 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -133,7 +133,7 @@ static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder) struct drm_connector *connector; struct radeon_connector *radeon_connector = NULL; u32 tmp; - u8 *sadb; + u8 *sadb = NULL; int sad_count; list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { @@ -149,9 +149,9 @@ static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder) } sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), &sadb); - if (sad_count <= 0) { - DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); - return; + if (sad_count < 0) { + DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); + sad_count = 0; } /* program the speaker allocation */ diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index 1dd976f447fa..9b42001295ba 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -2725,7 +2725,11 @@ int kv_dpm_init(struct radeon_device *rdev) pi->sram_end = SMC_RAM_END; - pi->enable_nb_dpm = true; + /* Enabling nb dpm on an asrock system prevents dpm from working */ + if (rdev->pdev->subsystem_vendor == 0x1849) + pi->enable_nb_dpm = false; + else + pi->enable_nb_dpm = true; pi->caps_power_containment = true; pi->caps_cac = true; @@ -2740,10 +2744,19 @@ int kv_dpm_init(struct radeon_device *rdev) pi->caps_sclk_ds = true; pi->enable_auto_thermal_throttling = true; pi->disable_nb_ps3_in_battery = false; - if (radeon_bapm == 0) + if (radeon_bapm == -1) { + /* There are stability issues reported on with + * bapm enabled on an asrock system. + */ + if (rdev->pdev->subsystem_vendor == 0x1849) + pi->bapm_enable = false; + else + pi->bapm_enable = true; + } else if (radeon_bapm == 0) { pi->bapm_enable = false; - else + } else { pi->bapm_enable = true; + } pi->voltage_drop_t = 0; pi->caps_sclk_throttle_low_notification = false; pi->caps_fps = false; /* true? */ diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 715b181c6243..6d2f16cf2c1c 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -23,6 +23,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "nid.h" #include "r600_dpm.h" #include "ni_dpm.h" diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 10f8be0ee173..b53b31a7b76f 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -3207,6 +3207,9 @@ void r100_bandwidth_update(struct radeon_device *rdev) uint32_t pixel_bytes1 = 0; uint32_t pixel_bytes2 = 0; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); if (rdev->mode_info.crtcs[0]->base.enabled) { diff --git a/drivers/gpu/drm/radeon/r600_dma.c b/drivers/gpu/drm/radeon/r600_dma.c index 100189ec5fa8..cf0df45d455e 100644 --- a/drivers/gpu/drm/radeon/r600_dma.c +++ b/drivers/gpu/drm/radeon/r600_dma.c @@ -232,16 +232,19 @@ int r600_dma_ring_test(struct radeon_device *rdev, { unsigned i; int r; - void __iomem *ptr = (void *)rdev->vram_scratch.ptr; + unsigned index; u32 tmp; + u64 gpu_addr; - if (!ptr) { - DRM_ERROR("invalid vram scratch pointer\n"); - return -EINVAL; - } + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + index = R600_WB_DMA_RING_TEST_OFFSET; + else + index = CAYMAN_WB_DMA1_RING_TEST_OFFSET; + + gpu_addr = rdev->wb.gpu_addr + index; tmp = 0xCAFEDEAD; - writel(tmp, ptr); + rdev->wb.wb[index/4] = cpu_to_le32(tmp); r = radeon_ring_lock(rdev, ring, 4); if (r) { @@ -249,13 +252,13 @@ int r600_dma_ring_test(struct radeon_device *rdev, return r; } radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1)); - radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc); - radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff); + radeon_ring_write(ring, lower_32_bits(gpu_addr)); + radeon_ring_write(ring, upper_32_bits(gpu_addr) & 0xff); radeon_ring_write(ring, 0xDEADBEEF); radeon_ring_unlock_commit(rdev, ring, false); for (i = 0; i < rdev->usec_timeout; i++) { - tmp = readl(ptr); + tmp = le32_to_cpu(rdev->wb.wb[index/4]); if (tmp == 0xDEADBEEF) break; DRM_UDELAY(1); @@ -335,17 +338,17 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) { struct radeon_ib ib; unsigned i; + unsigned index; int r; - void __iomem *ptr = (void *)rdev->vram_scratch.ptr; u32 tmp = 0; + u64 gpu_addr; - if (!ptr) { - DRM_ERROR("invalid vram scratch pointer\n"); - return -EINVAL; - } + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + index = R600_WB_DMA_RING_TEST_OFFSET; + else + index = CAYMAN_WB_DMA1_RING_TEST_OFFSET; - tmp = 0xCAFEDEAD; - writel(tmp, ptr); + gpu_addr = rdev->wb.gpu_addr + index; r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); if (r) { @@ -354,8 +357,8 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) } ib.ptr[0] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1); - ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc; - ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff; + ib.ptr[1] = lower_32_bits(gpu_addr); + ib.ptr[2] = upper_32_bits(gpu_addr) & 0xff; ib.ptr[3] = 0xDEADBEEF; ib.length_dw = 4; @@ -371,7 +374,7 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) return r; } for (i = 0; i < rdev->usec_timeout; i++) { - tmp = readl(ptr); + tmp = le32_to_cpu(rdev->wb.wb[index/4]); if (tmp == 0xDEADBEEF) break; DRM_UDELAY(1); diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index 9c61b74ef441..f6309bd23e01 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -24,6 +24,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "r600d.h" #include "r600_dpm.h" #include "atom.h" diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index f7c4b226a284..a9717b3fbf1b 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1133,6 +1133,8 @@ struct radeon_wb { #define R600_WB_EVENT_OFFSET 3072 #define CIK_WB_CP1_WPTR_OFFSET 3328 #define CIK_WB_CP2_WPTR_OFFSET 3584 +#define R600_WB_DMA_RING_TEST_OFFSET 3588 +#define CAYMAN_WB_DMA1_RING_TEST_OFFSET 3592 /** * struct radeon_pm - power management datas diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index 6a03624fadaa..63ccb8fa799c 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -658,12 +658,10 @@ bool radeon_get_bios(struct radeon_device *rdev) r = igp_read_bios_from_vram(rdev); if (r == false) r = radeon_read_bios(rdev); - if (r == false) { + if (r == false) r = radeon_read_disabled_bios(rdev); - } - if (r == false) { + if (r == false) r = radeon_read_platform_bios(rdev); - } if (r == false || rdev->bios == NULL) { DRM_ERROR("Unable to locate a BIOS ROM\n"); rdev->bios = NULL; diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index 1c893447d7cd..a3e7aed7e680 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -450,7 +450,7 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bo kfree(parser->track); kfree(parser->relocs); kfree(parser->relocs_ptr); - kfree(parser->vm_bos); + drm_free_large(parser->vm_bos); for (i = 0; i < parser->nchunks; i++) drm_free_large(parser->chunks[i].kdata); kfree(parser->chunks); diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index f41cc1538e48..995a8b1770dd 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -952,6 +952,7 @@ int radeon_atombios_init(struct radeon_device *rdev) } mutex_init(&rdev->mode_info.atom_context->mutex); + mutex_init(&rdev->mode_info.atom_context->scratch_mutex); radeon_atom_initialize_bios_scratch_regs(rdev->ddev); atom_allocate_fb_scratch(rdev->mode_info.atom_context); return 0; @@ -1130,7 +1131,7 @@ static void radeon_check_arguments(struct radeon_device *rdev) if (radeon_vm_block_size == -1) { /* Total bits covered by PD + PTs */ - unsigned bits = ilog2(radeon_vm_size) + 17; + unsigned bits = ilog2(radeon_vm_size) + 18; /* Make sure the PD is 4K in size up to 8GB address space. Above that split equal between PD and PTs */ diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 3d17af34afa7..2456f69efd23 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -314,7 +314,7 @@ unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring } /* and then save the content of the ring */ - *data = kmalloc_array(size, sizeof(uint32_t), GFP_KERNEL); + *data = drm_malloc_ab(size, sizeof(uint32_t)); if (!*data) { mutex_unlock(&rdev->ring_lock); return 0; @@ -356,7 +356,7 @@ int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring, } radeon_ring_unlock_commit(rdev, ring, false); - kfree(data); + drm_free_large(data); return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 4532cc76a0a6..dfde266529e2 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -132,8 +132,8 @@ struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev, struct radeon_cs_reloc *list; unsigned i, idx; - list = kmalloc_array(vm->max_pde_used + 2, - sizeof(struct radeon_cs_reloc), GFP_KERNEL); + list = drm_malloc_ab(vm->max_pde_used + 2, + sizeof(struct radeon_cs_reloc)); if (!list) return NULL; diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 5f6db4629aaa..9acb1c3c005b 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -879,6 +879,9 @@ void rs600_bandwidth_update(struct radeon_device *rdev) u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt; /* FIXME: implement full support */ + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); if (rdev->mode_info.crtcs[0]->base.enabled) diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 3462b64369bf..0a2d36e81108 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -579,6 +579,9 @@ void rs690_bandwidth_update(struct radeon_device *rdev) u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt; u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); if (rdev->mode_info.crtcs[0]->base.enabled) diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c index 02f7710de470..9031f4b69824 100644 --- a/drivers/gpu/drm/radeon/rs780_dpm.c +++ b/drivers/gpu/drm/radeon/rs780_dpm.c @@ -24,6 +24,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "rs780d.h" #include "r600_dpm.h" #include "rs780_dpm.h" diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 8a477bf1fdb3..c55d653aaf5f 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -1277,6 +1277,9 @@ void rv515_bandwidth_update(struct radeon_device *rdev) struct drm_display_mode *mode0 = NULL; struct drm_display_mode *mode1 = NULL; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); if (rdev->mode_info.crtcs[0]->base.enabled) diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c index e7045b085715..6a5c233361e9 100644 --- a/drivers/gpu/drm/radeon/rv6xx_dpm.c +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c @@ -24,6 +24,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "rv6xxd.h" #include "r600_dpm.h" #include "rv6xx_dpm.h" diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index 3c76e1dcdf04..755a8f96fe46 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -24,6 +24,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "rv770d.h" #include "r600_dpm.h" #include "rv770_dpm.h" diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index eeea5b6a1775..7d5083dc4acb 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2384,6 +2384,9 @@ void dce6_bandwidth_update(struct radeon_device *rdev) u32 num_heads = 0, lb_size; int i; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); for (i = 0; i < rdev->num_crtc; i++) { diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 9e4d5d7d348f..676e6c2ba90a 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -23,6 +23,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "sid.h" #include "r600_dpm.h" #include "si_dpm.h" @@ -2916,6 +2917,7 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, bool disable_sclk_switching = false; u32 mclk, sclk; u16 vddc, vddci; + u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; int i; if ((rdev->pm.dpm.new_active_crtc_count > 1) || @@ -2949,6 +2951,29 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, } } + /* limit clocks to max supported clocks based on voltage dependency tables */ + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, + &max_sclk_vddc); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, + &max_mclk_vddci); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, + &max_mclk_vddc); + + for (i = 0; i < ps->performance_level_count; i++) { + if (max_sclk_vddc) { + if (ps->performance_levels[i].sclk > max_sclk_vddc) + ps->performance_levels[i].sclk = max_sclk_vddc; + } + if (max_mclk_vddci) { + if (ps->performance_levels[i].mclk > max_mclk_vddci) + ps->performance_levels[i].mclk = max_mclk_vddci; + } + if (max_mclk_vddc) { + if (ps->performance_levels[i].mclk > max_mclk_vddc) + ps->performance_levels[i].mclk = max_mclk_vddc; + } + } + /* XXX validate the min clocks required for display */ if (disable_mclk_switching) { @@ -6231,7 +6256,7 @@ static void si_parse_pplib_clock_info(struct radeon_device *rdev, if ((rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) && index == 0) { /* XXX disable for A0 tahiti */ - si_pi->ulv.supported = true; + si_pi->ulv.supported = false; si_pi->ulv.pl = *pl; si_pi->ulv.one_pcie_lane_in_ulv = false; si_pi->ulv.volt_change_delay = SISLANDS_ULVVOLTAGECHANGEDELAY_DFLT; diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index 3f0e8d7b8dbe..1f8a8833e1be 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -23,6 +23,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "sumod.h" #include "r600_dpm.h" #include "cypress_dpm.h" diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 57f780053b3e..b4ec5c4e7969 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -23,6 +23,7 @@ #include "drmP.h" #include "radeon.h" +#include "radeon_asic.h" #include "trinityd.h" #include "r600_dpm.h" #include "trinity_dpm.h" diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 6553fd238685..054a79f143ae 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -736,7 +736,6 @@ static const struct drm_crtc_funcs tegra_crtc_funcs = { static void tegra_crtc_disable(struct drm_crtc *crtc) { - struct tegra_dc *dc = to_tegra_dc(crtc); struct drm_device *drm = crtc->dev; struct drm_plane *plane; @@ -752,7 +751,7 @@ static void tegra_crtc_disable(struct drm_crtc *crtc) } } - drm_vblank_off(drm, dc->pipe); + drm_crtc_vblank_off(crtc); } static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc, @@ -841,8 +840,6 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc, u32 value; int err; - drm_vblank_pre_modeset(crtc->dev, dc->pipe); - err = tegra_crtc_setup_clk(crtc, mode); if (err) { dev_err(dc->dev, "failed to setup clock for CRTC: %d\n", err); @@ -896,6 +893,8 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc) unsigned int syncpt; unsigned long value; + drm_crtc_vblank_off(crtc); + /* hardware initialization */ reset_control_deassert(dc->rst); usleep_range(10000, 20000); @@ -943,7 +942,7 @@ static void tegra_crtc_commit(struct drm_crtc *crtc) value = GENERAL_ACT_REQ | WIN_A_ACT_REQ; tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL); - drm_vblank_post_modeset(crtc->dev, dc->pipe); + drm_crtc_vblank_on(crtc); } static void tegra_crtc_load_lut(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 8f5cec67c47d..d395b0bef73b 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -709,6 +709,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible, static int ttm_mem_evict_first(struct ttm_bo_device *bdev, uint32_t mem_type, + const struct ttm_place *place, bool interruptible, bool no_wait_gpu) { @@ -720,8 +721,21 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev, spin_lock(&glob->lru_lock); list_for_each_entry(bo, &man->lru, lru) { ret = __ttm_bo_reserve(bo, false, true, false, NULL); - if (!ret) + if (!ret) { + if (place && (place->fpfn || place->lpfn)) { + /* Don't evict this BO if it's outside of the + * requested placement range + */ + if (place->fpfn >= (bo->mem.start + bo->mem.size) || + (place->lpfn && place->lpfn <= bo->mem.start)) { + __ttm_bo_unreserve(bo); + ret = -EBUSY; + continue; + } + } + break; + } } if (ret) { @@ -782,7 +796,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo, return ret; if (mem->mm_node) break; - ret = ttm_mem_evict_first(bdev, mem_type, + ret = ttm_mem_evict_first(bdev, mem_type, place, interruptible, no_wait_gpu); if (unlikely(ret != 0)) return ret; @@ -994,9 +1008,9 @@ static bool ttm_bo_mem_compat(struct ttm_placement *placement, for (i = 0; i < placement->num_placement; i++) { const struct ttm_place *heap = &placement->placement[i]; - if (mem->mm_node && heap->lpfn != 0 && + if (mem->mm_node && (mem->start < heap->fpfn || - mem->start + mem->num_pages > heap->lpfn)) + (heap->lpfn != 0 && (mem->start + mem->num_pages) > heap->lpfn))) continue; *new_flags = heap->flags; @@ -1007,9 +1021,9 @@ static bool ttm_bo_mem_compat(struct ttm_placement *placement, for (i = 0; i < placement->num_busy_placement; i++) { const struct ttm_place *heap = &placement->busy_placement[i]; - if (mem->mm_node && heap->lpfn != 0 && + if (mem->mm_node && (mem->start < heap->fpfn || - mem->start + mem->num_pages > heap->lpfn)) + (heap->lpfn != 0 && (mem->start + mem->num_pages) > heap->lpfn))) continue; *new_flags = heap->flags; @@ -1233,7 +1247,7 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev, spin_lock(&glob->lru_lock); while (!list_empty(&man->lru)) { spin_unlock(&glob->lru_lock); - ret = ttm_mem_evict_first(bdev, mem_type, false, false); + ret = ttm_mem_evict_first(bdev, mem_type, NULL, false, false); if (ret) { if (allow_errors) { return ret; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c index bfeb4b1f2acf..21e9b7f8dad0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c @@ -246,7 +246,8 @@ int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, struct drm_hash_item *hash; int ret; - ret = drm_ht_find_item(&man->resources, user_key, &hash); + ret = drm_ht_find_item(&man->resources, user_key | (res_type << 24), + &hash); if (likely(ret != 0)) return -EINVAL; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 7197af157313..25f3c250fd98 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -688,7 +688,11 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) goto out_err0; } - if (unlikely(dev_priv->prim_bb_mem < dev_priv->vram_size)) + /* + * Limit back buffer size to VRAM size. Remove this once + * screen targets are implemented. + */ + if (dev_priv->prim_bb_mem > dev_priv->vram_size) dev_priv->prim_bb_mem = dev_priv->vram_size; mutex_unlock(&dev_priv->hw_mutex); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index d2bc2b03d4c6..941a7bc0b791 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -187,7 +187,7 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, * can do this since the caller in the drm core doesn't check anything * which is protected by any looks. */ - drm_modeset_unlock(&crtc->mutex); + drm_modeset_unlock_crtc(crtc); drm_modeset_lock_all(dev_priv->dev); /* A lot of the code assumes this */ @@ -252,7 +252,7 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, ret = 0; out: drm_modeset_unlock_all(dev_priv->dev); - drm_modeset_lock(&crtc->mutex, NULL); + drm_modeset_lock_crtc(crtc); return ret; } @@ -273,7 +273,7 @@ int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) * can do this since the caller in the drm core doesn't check anything * which is protected by any looks. */ - drm_modeset_unlock(&crtc->mutex); + drm_modeset_unlock_crtc(crtc); drm_modeset_lock_all(dev_priv->dev); vmw_cursor_update_position(dev_priv, shown, @@ -281,7 +281,7 @@ int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) du->cursor_y + du->hotspot_y); drm_modeset_unlock_all(dev_priv->dev); - drm_modeset_lock(&crtc->mutex, NULL); + drm_modeset_lock_crtc(crtc); return 0; } @@ -1950,6 +1950,14 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }; int i; + u32 assumed_bpp = 2; + + /* + * If using screen objects, then assume 32-bpp because that's what the + * SVGA device is assuming + */ + if (dev_priv->sou_priv) + assumed_bpp = 4; /* Add preferred mode */ { @@ -1960,8 +1968,9 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector, mode->vdisplay = du->pref_height; vmw_guess_mode_timing(mode); - if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, - mode->vdisplay)) { + if (vmw_kms_validate_mode_vram(dev_priv, + mode->hdisplay * assumed_bpp, + mode->vdisplay)) { drm_mode_probed_add(connector, mode); } else { drm_mode_destroy(dev, mode); @@ -1983,7 +1992,8 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector, bmode->vdisplay > max_height) continue; - if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2, + if (!vmw_kms_validate_mode_vram(dev_priv, + bmode->hdisplay * assumed_bpp, bmode->vdisplay)) continue; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 73bd9e2e42bc..3402033fa52a 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1659,6 +1659,7 @@ void hid_disconnect(struct hid_device *hdev) hdev->hiddev_disconnect(hdev); if (hdev->claimed & HID_CLAIMED_HIDRAW) hidraw_disconnect(hdev); + hdev->claimed = 0; } EXPORT_SYMBOL_GPL(hid_disconnect); diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index 84c3cb15ccdd..8bf61d295ffd 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -946,6 +946,12 @@ static const char *keys[KEY_MAX + 1] = { [KEY_BRIGHTNESS_MIN] = "BrightnessMin", [KEY_BRIGHTNESS_MAX] = "BrightnessMax", [KEY_BRIGHTNESS_AUTO] = "BrightnessAuto", + [KEY_KBDINPUTASSIST_PREV] = "KbdInputAssistPrev", + [KEY_KBDINPUTASSIST_NEXT] = "KbdInputAssistNext", + [KEY_KBDINPUTASSIST_PREVGROUP] = "KbdInputAssistPrevGroup", + [KEY_KBDINPUTASSIST_NEXTGROUP] = "KbdInputAssistNextGroup", + [KEY_KBDINPUTASSIST_ACCEPT] = "KbdInputAssistAccept", + [KEY_KBDINPUTASSIST_CANCEL] = "KbdInputAssistCancel", }; static const char *relatives[REL_MAX + 1] = { diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index cd9c9e96cf0e..7c863738e419 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -298,6 +298,9 @@ #define USB_VENDOR_ID_ELAN 0x04f3 #define USB_DEVICE_ID_ELAN_TOUCHSCREEN 0x0089 +#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B 0x009b +#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103 0x0103 +#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F 0x016f #define USB_VENDOR_ID_ELECOM 0x056e #define USB_DEVICE_ID_ELECOM_BM084 0x0061 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 2df7fddbd119..725f22ca47fc 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -695,7 +695,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel break; case 0x5b: /* TransducerSerialNumber */ - set_bit(MSC_SERIAL, input->mscbit); + usage->type = EV_MSC; + usage->code = MSC_SERIAL; + bit = input->mscbit; + max = MSC_MAX; break; default: goto unknown; @@ -862,6 +865,13 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; case 0x28c: map_key_clear(KEY_SEND); break; + case 0x2c7: map_key_clear(KEY_KBDINPUTASSIST_PREV); break; + case 0x2c8: map_key_clear(KEY_KBDINPUTASSIST_NEXT); break; + case 0x2c9: map_key_clear(KEY_KBDINPUTASSIST_PREVGROUP); break; + case 0x2ca: map_key_clear(KEY_KBDINPUTASSIST_NEXTGROUP); break; + case 0x2cb: map_key_clear(KEY_KBDINPUTASSIST_ACCEPT); break; + case 0x2cc: map_key_clear(KEY_KBDINPUTASSIST_CANCEL); break; + default: goto ignore; } break; diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index f3cb5b0a4345..552671ee7c5d 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -71,6 +71,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET }, diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c index fcdbde4ec692..3057dfc7e3bc 100644 --- a/drivers/hwmon/fam15h_power.c +++ b/drivers/hwmon/fam15h_power.c @@ -234,7 +234,7 @@ static const struct pci_device_id fam15h_power_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M30H_NB_F4) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F4) }, - { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F4) }, {} }; MODULE_DEVICE_TABLE(pci, fam15h_power_id_table); diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c index d2bf2c97ae70..6a30eeea94be 100644 --- a/drivers/hwmon/ibmpowernv.c +++ b/drivers/hwmon/ibmpowernv.c @@ -181,7 +181,7 @@ static int __init populate_attr_groups(struct platform_device *pdev) opal = of_find_node_by_path("/ibm,opal/sensors"); if (!opal) { - dev_err(&pdev->dev, "Opal node 'sensors' not found\n"); + dev_dbg(&pdev->dev, "Opal node 'sensors' not found\n"); return -ENODEV; } @@ -335,7 +335,9 @@ static int __init ibmpowernv_init(void) err = platform_driver_probe(&ibmpowernv_driver, ibmpowernv_probe); if (err) { - pr_err("Platfrom driver probe failed\n"); + if (err != -ENODEV) + pr_err("Platform driver probe failed (%d)\n", err); + goto exit_device_del; } diff --git a/drivers/hwmon/menf21bmc_hwmon.c b/drivers/hwmon/menf21bmc_hwmon.c index c92229d321c9..afc6b58eaa62 100644 --- a/drivers/hwmon/menf21bmc_hwmon.c +++ b/drivers/hwmon/menf21bmc_hwmon.c @@ -21,6 +21,7 @@ #include #include #include +#include #define DRV_NAME "menf21bmc_hwmon" diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c index 823c877a1ec0..1991d9032c38 100644 --- a/drivers/hwmon/pwm-fan.c +++ b/drivers/hwmon/pwm-fan.c @@ -161,10 +161,17 @@ static int pwm_fan_suspend(struct device *dev) static int pwm_fan_resume(struct device *dev) { struct pwm_fan_ctx *ctx = dev_get_drvdata(dev); + unsigned long duty; + int ret; - if (ctx->pwm_value) - return pwm_enable(ctx->pwm); - return 0; + if (ctx->pwm_value == 0) + return 0; + + duty = DIV_ROUND_UP(ctx->pwm_value * (ctx->pwm->period - 1), MAX_PWM); + ret = pwm_config(ctx->pwm, duty, ctx->pwm->period); + if (ret) + return ret; + return pwm_enable(ctx->pwm); } #endif diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index 65ef9664d5da..899bede81b31 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -12,11 +12,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301 USA. * ------------------------------------------------------------------------- */ /* With some changes from Frodo Looijaard , Kyösti Mälkki diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index 8b10f88b13d9..580dbf05c148 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -12,11 +12,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #include diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c index 34370090b753..270d84bfc2c6 100644 --- a/drivers/i2c/algos/i2c-algo-pcf.c +++ b/drivers/i2c/algos/i2c-algo-pcf.c @@ -14,11 +14,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. - * * With some changes from Kyösti Mälkki and * Frodo Looijaard , and also from Martin Bailey * diff --git a/drivers/i2c/algos/i2c-algo-pcf.h b/drivers/i2c/algos/i2c-algo-pcf.h index 1ec703ee788d..262ee801975b 100644 --- a/drivers/i2c/algos/i2c-algo-pcf.h +++ b/drivers/i2c/algos/i2c-algo-pcf.h @@ -12,12 +12,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301 USA. */ + GNU General Public License for more details. */ /* -------------------------------------------------------------------- */ /* With some changes from Frodo Looijaard */ diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c index 451e305f7971..4f2d78868281 100644 --- a/drivers/i2c/busses/i2c-ali1535.c +++ b/drivers/i2c/busses/i2c-ali1535.c @@ -14,10 +14,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c index 2fa21ce9682b..45c5c4883022 100644 --- a/drivers/i2c/busses/i2c-ali15x3.c +++ b/drivers/i2c/busses/i2c-ali15x3.c @@ -12,10 +12,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c index 41fc6837fb8b..65e324054970 100644 --- a/drivers/i2c/busses/i2c-amd756-s4882.c +++ b/drivers/i2c/busses/i2c-amd756-s4882.c @@ -12,10 +12,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index a16f72891358..6c7113d990f8 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -15,10 +15,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 917d54588d95..e05a672db3e5 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -434,7 +434,7 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) } } - ret = wait_for_completion_io_timeout(&dev->cmd_complete, + ret = wait_for_completion_timeout(&dev->cmd_complete, dev->adapter.timeout); if (ret == 0) { dev_err(dev->dev, "controller timed out\n"); diff --git a/drivers/i2c/busses/i2c-au1550.c b/drivers/i2c/busses/i2c-au1550.c index 8762458ca7da..6f8c0756e350 100644 --- a/drivers/i2c/busses/i2c-au1550.c +++ b/drivers/i2c/busses/i2c-au1550.c @@ -21,10 +21,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index f3b89a4698b6..5bdbc71698d0 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -23,10 +23,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index 4d9614719128..d15b7c9b9219 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -17,10 +17,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ---------------------------------------------------------------------------- * */ diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index 3c20e4bd6dd1..edca99dbba23 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -18,10 +18,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ---------------------------------------------------------------------------- * */ diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index d66b6cbc9edc..5a410ef17abd 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -18,10 +18,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ---------------------------------------------------------------------------- * */ diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index d31d313ab4f7..acb40f95db78 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -19,10 +19,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ---------------------------------------------------------------------------- * */ diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index a7431150acf7..373dd4d47765 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -18,10 +18,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ---------------------------------------------------------------------------- * */ diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c index a44ea13d1434..76e699f9ed97 100644 --- a/drivers/i2c/busses/i2c-eg20t.c +++ b/drivers/i2c/busses/i2c-eg20t.c @@ -9,10 +9,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #include diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c index 485497066ed7..92e8c0ce1625 100644 --- a/drivers/i2c/busses/i2c-elektor.c +++ b/drivers/i2c/busses/i2c-elektor.c @@ -12,11 +12,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + GNU General Public License for more details. */ /* ------------------------------------------------------------------------- */ /* With some changes from Kyösti Mälkki and even diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c index 14d2b76de25f..b7864cf42a72 100644 --- a/drivers/i2c/busses/i2c-hydra.c +++ b/drivers/i2c/busses/i2c-hydra.c @@ -15,10 +15,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 7cfc183b3d63..6ab4f1cb21f3 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -15,10 +15,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index c48e46af670a..e9fb7cf78612 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -11,11 +11,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. - * * Author: * Darius Augulis, Teltonika Inc. * diff --git a/drivers/i2c/busses/i2c-iop3xx.h b/drivers/i2c/busses/i2c-iop3xx.h index 097e270955d0..2d6929c2bd92 100644 --- a/drivers/i2c/busses/i2c-iop3xx.h +++ b/drivers/i2c/busses/i2c-iop3xx.h @@ -11,11 +11,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + GNU General Public License for more details. */ /* ------------------------------------------------------------------------- */ diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c index cf99dbf21fd1..113293d275f6 100644 --- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -14,10 +14,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 3f6ecbfb9a56..f2b0ff011631 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -14,10 +14,6 @@ * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c index b170bdffb5de..88eda09e73c0 100644 --- a/drivers/i2c/busses/i2c-nforce2-s4985.c +++ b/drivers/i2c/busses/i2c-nforce2-s4985.c @@ -12,10 +12,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c index ee3a76c7ae97..70b3c9158509 100644 --- a/drivers/i2c/busses/i2c-nforce2.c +++ b/drivers/i2c/busses/i2c-nforce2.c @@ -17,10 +17,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 0dffb0e62c3b..26942c159de1 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -22,10 +22,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include diff --git a/drivers/i2c/busses/i2c-parport-light.c b/drivers/i2c/busses/i2c-parport-light.c index 62f55fe624cb..d1f625f923c7 100644 --- a/drivers/i2c/busses/i2c-parport-light.c +++ b/drivers/i2c/busses/i2c-parport-light.c @@ -18,10 +18,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ------------------------------------------------------------------------ */ #include diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c index a27aae2d6757..a1fac5aa9bae 100644 --- a/drivers/i2c/busses/i2c-parport.c +++ b/drivers/i2c/busses/i2c-parport.c @@ -18,10 +18,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ------------------------------------------------------------------------ */ #include diff --git a/drivers/i2c/busses/i2c-parport.h b/drivers/i2c/busses/i2c-parport.h index e572f3aac0f7..4e1294536805 100644 --- a/drivers/i2c/busses/i2c-parport.h +++ b/drivers/i2c/busses/i2c-parport.h @@ -12,10 +12,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ------------------------------------------------------------------------ */ #define PORT_DATA 0 diff --git a/drivers/i2c/busses/i2c-pasemi.c b/drivers/i2c/busses/i2c-pasemi.c index 7a9dce43e115..df1dbc92a024 100644 --- a/drivers/i2c/busses/i2c-pasemi.c +++ b/drivers/i2c/busses/i2c-pasemi.c @@ -11,10 +11,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c index 323f061a3163..e0eb4ca0102e 100644 --- a/drivers/i2c/busses/i2c-pca-isa.c +++ b/drivers/i2c/busses/i2c-pca-isa.c @@ -12,10 +12,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c index a6f54ba27e2a..67cbec6796a0 100644 --- a/drivers/i2c/busses/i2c-piix4.c +++ b/drivers/i2c/busses/i2c-piix4.c @@ -11,10 +11,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-pmcmsp.c b/drivers/i2c/busses/i2c-pmcmsp.c index 8564768fee32..177834e2d841 100644 --- a/drivers/i2c/busses/i2c-pmcmsp.c +++ b/drivers/i2c/busses/i2c-pmcmsp.c @@ -18,10 +18,6 @@ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c index 01e967763c2a..60a53c169ed2 100644 --- a/drivers/i2c/busses/i2c-powermac.c +++ b/drivers/i2c/busses/i2c-powermac.c @@ -14,10 +14,6 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ #include diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index e3b0337faeb7..65244774bfa3 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -14,10 +14,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index 8b5e79cb4468..4855188747c9 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -14,10 +14,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c index 0fe505d7abe9..2b6219d86b0f 100644 --- a/drivers/i2c/busses/i2c-sibyte.c +++ b/drivers/i2c/busses/i2c-sibyte.c @@ -12,10 +12,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include diff --git a/drivers/i2c/busses/i2c-simtec.c b/drivers/i2c/busses/i2c-simtec.c index 964e5c6f84ab..15ac8395dcd3 100644 --- a/drivers/i2c/busses/i2c-simtec.c +++ b/drivers/i2c/busses/i2c-simtec.c @@ -12,10 +12,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c index ac9bc33acef4..7d58a40faf2d 100644 --- a/drivers/i2c/busses/i2c-sis5595.c +++ b/drivers/i2c/busses/i2c-sis5595.c @@ -11,10 +11,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Note: we assume there can only be one SIS5595 with one SMBus interface */ diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c index c6366733008d..1e6805b5cef2 100644 --- a/drivers/i2c/busses/i2c-sis630.c +++ b/drivers/i2c/busses/i2c-sis630.c @@ -10,10 +10,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c index 8dc2fc5f74ff..44b904426073 100644 --- a/drivers/i2c/busses/i2c-sis96x.c +++ b/drivers/i2c/busses/i2c-sis96x.c @@ -10,10 +10,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-taos-evm.c b/drivers/i2c/busses/i2c-taos-evm.c index 10855a0b7e7f..4c7fc2d47014 100644 --- a/drivers/i2c/busses/i2c-taos-evm.c +++ b/drivers/i2c/busses/i2c-taos-evm.c @@ -13,10 +13,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c index f4a1ed757612..59b1d233ca7b 100644 --- a/drivers/i2c/busses/i2c-via.c +++ b/drivers/i2c/busses/i2c-via.c @@ -12,10 +12,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c index 6841200b6e50..0ee2646f3b00 100644 --- a/drivers/i2c/busses/i2c-viapro.c +++ b/drivers/i2c/busses/i2c-viapro.c @@ -13,10 +13,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index ade9223912d3..cc65ea0b818f 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * * * This code was implemented by Mocean Laboratories AB when porting linux * to the automotive development board Russellville. The copyright holder diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index ff3f5747e43b..5153354b1a6b 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -17,10 +17,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/i2c/i2c-boardinfo.c b/drivers/i2c/i2c-boardinfo.c index f24cc64e2e8c..90e322959303 100644 --- a/drivers/i2c/i2c-boardinfo.c +++ b/drivers/i2c/i2c-boardinfo.c @@ -10,11 +10,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #include diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 2f90ac6a7f79..f43b4e11647a 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -10,12 +10,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301 USA. */ + GNU General Public License for more details. */ /* ------------------------------------------------------------------------- */ /* With some changes from Kyösti Mälkki . @@ -670,6 +665,9 @@ static int i2c_device_remove(struct device *dev) status = driver->remove(client); } + if (dev->of_node) + irq_dispose_mapping(client->irq); + dev_pm_domain_detach(&client->dev, true); return status; } diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h index 18a8fd21d2c2..17700bfddcf5 100644 --- a/drivers/i2c/i2c-core.h +++ b/drivers/i2c/i2c-core.h @@ -10,11 +10,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #include diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 80b47e8ce030..71c7a3975b62 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -14,11 +14,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301 USA. */ /* Note that this is a complete rewrite of Simon Vogl's i2c-dev module. diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index fc99f0d6b4a5..9ebf9cb4ad7a 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -13,11 +13,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #include diff --git a/drivers/i2c/i2c-stub.c b/drivers/i2c/i2c-stub.c index d241aa295d96..af2a94e1140b 100644 --- a/drivers/i2c/i2c-stub.c +++ b/drivers/i2c/i2c-stub.c @@ -13,10 +13,6 @@ but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define DEBUG 1 diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 98909a9e284e..a23e58c4ed99 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -894,7 +894,7 @@ static const struct attribute_group kxcjk1013_attrs_group = { static const struct iio_event_spec kxcjk1013_event = { .type = IIO_EV_TYPE_THRESH, - .dir = IIO_EV_DIR_RISING | IIO_EV_DIR_FALLING, + .dir = IIO_EV_DIR_EITHER, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE) | BIT(IIO_EV_INFO_PERIOD) diff --git a/drivers/iio/common/st_sensors/st_sensors_buffer.c b/drivers/iio/common/st_sensors/st_sensors_buffer.c index 1665c8e4b62b..e18bc6782256 100644 --- a/drivers/iio/common/st_sensors/st_sensors_buffer.c +++ b/drivers/iio/common/st_sensors/st_sensors_buffer.c @@ -71,7 +71,7 @@ int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf) goto st_sensors_free_memory; } - for (i = 0; i < n * num_data_channels; i++) { + for (i = 0; i < n * byte_for_channel; i++) { if (i < n) buf[i] = rx_array[i]; else diff --git a/drivers/iio/light/tsl4531.c b/drivers/iio/light/tsl4531.c index a15006efa137..0763b8632573 100644 --- a/drivers/iio/light/tsl4531.c +++ b/drivers/iio/light/tsl4531.c @@ -230,9 +230,12 @@ static int tsl4531_resume(struct device *dev) return i2c_smbus_write_byte_data(to_i2c_client(dev), TSL4531_CONTROL, TSL4531_MODE_NORMAL); } -#endif static SIMPLE_DEV_PM_OPS(tsl4531_pm_ops, tsl4531_suspend, tsl4531_resume); +#define TSL4531_PM_OPS (&tsl4531_pm_ops) +#else +#define TSL4531_PM_OPS NULL +#endif static const struct i2c_device_id tsl4531_id[] = { { "tsl4531", 0 }, @@ -243,7 +246,7 @@ MODULE_DEVICE_TABLE(i2c, tsl4531_id); static struct i2c_driver tsl4531_driver = { .driver = { .name = TSL4531_DRV_NAME, - .pm = &tsl4531_pm_ops, + .pm = TSL4531_PM_OPS, .owner = THIS_MODULE, }, .probe = tsl4531_probe, diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index 5e780ef206f3..8349cc0fdf66 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -330,7 +330,7 @@ static int as3935_probe(struct spi_device *spi) return -EINVAL; } - indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(st)); + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (!indio_dev) return -ENOMEM; diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index bda5994ceb68..8b72cf392b34 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1173,18 +1173,24 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i], &mflow->reg_id[i]); if (err) - goto err_free; + goto err_create_flow; i++; } if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) { err = mlx4_ib_tunnel_steer_add(qp, flow_attr, &mflow->reg_id[i]); if (err) - goto err_free; + goto err_create_flow; + i++; } return &mflow->ibflow; +err_create_flow: + while (i) { + (void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev, mflow->reg_id[i]); + i--; + } err_free: kfree(mflow); return ERR_PTR(err); diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 0bea5776bcbc..3effa931fce2 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -2185,7 +2185,7 @@ isert_put_response(struct iscsi_conn *conn, struct iscsi_cmd *cmd) isert_cmd->tx_desc.num_sge = 2; } - isert_init_send_wr(isert_conn, isert_cmd, send_wr, true); + isert_init_send_wr(isert_conn, isert_cmd, send_wr, false); pr_debug("Posting SCSI Response IB_WR_SEND >>>>>>>>>>>>>>>>>>>>>>\n"); @@ -2871,7 +2871,7 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd) &isert_cmd->tx_desc.iscsi_header); isert_init_tx_hdrs(isert_conn, &isert_cmd->tx_desc); isert_init_send_wr(isert_conn, isert_cmd, - &isert_cmd->tx_desc.send_wr, true); + &isert_cmd->tx_desc.send_wr, false); isert_cmd->rdma_wr.s_send_wr.next = &isert_cmd->tx_desc.send_wr; wr->send_wr_num += 1; } @@ -3140,7 +3140,7 @@ isert_accept_np(struct iscsi_np *np, struct iscsi_conn *conn) accept_wait: ret = down_interruptible(&isert_np->np_sem); - if (max_accept > 5) + if (ret || max_accept > 5) return -ENODEV; spin_lock_bh(&np->np_thread_lock); diff --git a/drivers/input/keyboard/opencores-kbd.c b/drivers/input/keyboard/opencores-kbd.c index 62abe2c16670..f8502bb29176 100644 --- a/drivers/input/keyboard/opencores-kbd.c +++ b/drivers/input/keyboard/opencores-kbd.c @@ -70,7 +70,7 @@ static int opencores_kbd_probe(struct platform_device *pdev) opencores_kbd->addr = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(opencores_kbd->addr)) - error = PTR_ERR(opencores_kbd->addr); + return PTR_ERR(opencores_kbd->addr); input->name = pdev->name; input->phys = "opencores-kbd/input0"; diff --git a/drivers/input/keyboard/stmpe-keypad.c b/drivers/input/keyboard/stmpe-keypad.c index c6727dda68f2..ef5e67fb567e 100644 --- a/drivers/input/keyboard/stmpe-keypad.c +++ b/drivers/input/keyboard/stmpe-keypad.c @@ -86,7 +86,7 @@ static const struct stmpe_keypad_variant stmpe_keypad_variants[] = { .max_cols = 8, .max_rows = 12, .col_gpios = 0x0000ff, /* GPIO 0 - 7*/ - .row_gpios = 0x1fef00, /* GPIO 8-14, 16-20 */ + .row_gpios = 0x1f7f00, /* GPIO 8-14, 16-20 */ }, [STMPE2403] = { .auto_increment = true, diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 719410feb84b..afed8e2b2f94 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -1381,7 +1381,7 @@ static ssize_t ims_pcu_ofn_reg_addr_store(struct device *dev, pcu->ofn_reg_addr = value; mutex_unlock(&pcu->cmd_mutex); - return error ?: count; + return count; } static DEVICE_ATTR(reg_addr, S_IRUGO | S_IWUSR, diff --git a/drivers/input/misc/max77693-haptic.c b/drivers/input/misc/max77693-haptic.c index 7b1fde93799e..ef6a9d650d69 100644 --- a/drivers/input/misc/max77693-haptic.c +++ b/drivers/input/misc/max77693-haptic.c @@ -194,7 +194,7 @@ static int max77693_haptic_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) { struct max77693_haptic *haptic = input_get_drvdata(dev); - uint64_t period_mag_multi; + u64 period_mag_multi; haptic->magnitude = effect->u.rumble.strong_magnitude; if (!haptic->magnitude) @@ -205,8 +205,7 @@ static int max77693_haptic_play_effect(struct input_dev *dev, void *data, * The formula to convert magnitude to pwm_duty as follows: * - pwm_duty = (magnitude * pwm_period) / MAX_MAGNITUDE(0xFFFF) */ - period_mag_multi = (int64_t)(haptic->pwm_dev->period * - haptic->magnitude); + period_mag_multi = (u64)haptic->pwm_dev->period * haptic->magnitude; haptic->pwm_duty = (unsigned int)(period_mag_multi >> MAX_MAGNITUDE_SHIFT); diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index 735604753568..e097f1ab427f 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -55,7 +55,7 @@ static int soc_button_lookup_gpio(struct device *dev, int acpi_index) struct gpio_desc *desc; int gpio; - desc = gpiod_get_index(dev, KBUILD_MODNAME, acpi_index); + desc = gpiod_get_index(dev, KBUILD_MODNAME, acpi_index, GPIOD_ASIS); if (IS_ERR(desc)) return PTR_ERR(desc); diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c index fb3b63b2f85c..8400a1a34d87 100644 --- a/drivers/input/misc/twl4030-pwrbutton.c +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -85,6 +85,7 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, pwr); + device_init_wakeup(&pdev->dev, true); return 0; } diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 2b0ae8cc8e51..d125a019383f 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -1156,7 +1156,13 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) { struct alps_data *priv = psmouse->private; - if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ + /* + * Check if we are dealing with a bare PS/2 packet, presumably from + * a device connected to the external PS/2 port. Because bare PS/2 + * protocol does not have enough constant bits to self-synchronize + * properly we only do this if the device is fully synchronized. + */ + if (!psmouse->out_of_sync_cnt && (psmouse->packet[0] & 0xc8) == 0x08) { if (psmouse->pktcnt == 3) { alps_report_bare_ps2_packet(psmouse, psmouse->packet, true); @@ -1180,12 +1186,27 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) } /* Bytes 2 - pktsize should have 0 in the highest bit */ - if ((priv->proto_version < ALPS_PROTO_V5) && + if (priv->proto_version < ALPS_PROTO_V5 && psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", psmouse->pktcnt - 1, psmouse->packet[psmouse->pktcnt - 1]); + + if (priv->proto_version == ALPS_PROTO_V3 && + psmouse->pktcnt == psmouse->pktsize) { + /* + * Some Dell boxes, such as Latitude E6440 or E7440 + * with closed lid, quite often smash last byte of + * otherwise valid packet with 0xff. Given that the + * next packet is very likely to be valid let's + * report PSMOUSE_FULL_PACKET but not process data, + * rather than reporting PSMOUSE_BAD_DATA and + * filling the logs. + */ + return PSMOUSE_FULL_PACKET; + } + return PSMOUSE_BAD_DATA; } @@ -2389,6 +2410,9 @@ int alps_init(struct psmouse *psmouse) /* We are having trouble resyncing ALPS touchpads so disable it for now */ psmouse->resync_time = 0; + /* Allow 2 invalid packets without resetting device */ + psmouse->resetafter = psmouse->pktsize * 2; + return 0; init_fail: diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 06fc6e76ffbe..3fcb6b3cb0bd 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -563,6 +563,7 @@ static void elantech_input_sync_v4(struct psmouse *psmouse) } else { input_report_key(dev, BTN_LEFT, packet[0] & 0x01); input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); + input_report_key(dev, BTN_MIDDLE, packet[0] & 0x04); } input_mt_report_pointer_emulation(dev, true); @@ -792,6 +793,9 @@ static int elantech_packet_check_v4(struct psmouse *psmouse) unsigned char packet_type = packet[3] & 0x03; bool sanity_check; + if ((packet[3] & 0x0f) == 0x06) + return PACKET_TRACKPOINT; + /* * Sanity check based on the constant bits of a packet. * The constant bits change depending on the value of @@ -877,10 +881,19 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse) case 4: packet_type = elantech_packet_check_v4(psmouse); - if (packet_type == PACKET_UNKNOWN) + switch (packet_type) { + case PACKET_UNKNOWN: return PSMOUSE_BAD_DATA; - elantech_report_absolute_v4(psmouse, packet_type); + case PACKET_TRACKPOINT: + elantech_report_trackpoint(psmouse, packet_type); + break; + + default: + elantech_report_absolute_v4(psmouse, packet_type); + break; + } + break; } @@ -1119,6 +1132,22 @@ static void elantech_set_buttonpad_prop(struct psmouse *psmouse) } } +/* + * Some hw_version 4 models do have a middle button + */ +static const struct dmi_system_id elantech_dmi_has_middle_button[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Fujitsu H730 has a middle button */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H730"), + }, + }, +#endif + { } +}; + /* * Set the appropriate event bits for the input subsystem */ @@ -1138,6 +1167,8 @@ static int elantech_set_input_params(struct psmouse *psmouse) __clear_bit(EV_REL, dev->evbit); __set_bit(BTN_LEFT, dev->keybit); + if (dmi_check_system(elantech_dmi_has_middle_button)) + __set_bit(BTN_MIDDLE, dev->keybit); __set_bit(BTN_RIGHT, dev->keybit); __set_bit(BTN_TOUCH, dev->keybit); @@ -1299,6 +1330,7 @@ ELANTECH_INT_ATTR(reg_25, 0x25); ELANTECH_INT_ATTR(reg_26, 0x26); ELANTECH_INT_ATTR(debug, 0); ELANTECH_INT_ATTR(paritycheck, 0); +ELANTECH_INT_ATTR(crc_enabled, 0); static struct attribute *elantech_attrs[] = { &psmouse_attr_reg_07.dattr.attr, @@ -1313,6 +1345,7 @@ static struct attribute *elantech_attrs[] = { &psmouse_attr_reg_26.dattr.attr, &psmouse_attr_debug.dattr.attr, &psmouse_attr_paritycheck.dattr.attr, + &psmouse_attr_crc_enabled.dattr.attr, NULL }; @@ -1438,6 +1471,22 @@ static int elantech_reconnect(struct psmouse *psmouse) return 0; } +/* + * Some hw_version 4 models do not work with crc_disabled + */ +static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Fujitsu H730 does not work with crc_enabled == 0 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H730"), + }, + }, +#endif + { } +}; + /* * Some hw_version 3 models go into error state when we try to set * bit 3 and/or bit 1 of r10. @@ -1513,7 +1562,8 @@ static int elantech_set_properties(struct elantech_data *etd) * The signatures of v3 and v4 packets change depending on the * value of this hardware flag. */ - etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000); + etd->crc_enabled = (etd->fw_version & 0x4000) == 0x4000 || + dmi_check_system(elantech_dmi_force_crc_enabled); /* Enable real hardware resolution on hw_version 3 ? */ etd->set_hw_resolution = !dmi_check_system(no_hw_res_dmi_table); diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 26994f6a2b2a..95a3a6e2faf6 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -1536,16 +1536,9 @@ static int psmouse_reconnect(struct serio *serio) { struct psmouse *psmouse = serio_get_drvdata(serio); struct psmouse *parent = NULL; - struct serio_driver *drv = serio->drv; unsigned char type; int rc = -1; - if (!drv || !psmouse) { - psmouse_dbg(psmouse, - "reconnect request, but serio is disconnected, ignoring...\n"); - return -1; - } - mutex_lock(&psmouse_mutex); if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) { diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 9031a0a28ea4..2a7a9174c702 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -135,8 +135,8 @@ static const struct min_max_quirk min_max_pnpid_table[] = { 1232, 5710, 1156, 4696 }, { - (const char * const []){"LEN0034", "LEN0036", "LEN2002", - "LEN2004", NULL}, + (const char * const []){"LEN0034", "LEN0036", "LEN0039", + "LEN2002", "LEN2004", NULL}, 1024, 5112, 2024, 4832 }, { @@ -163,6 +163,7 @@ static const char * const topbuttonpad_pnp_ids[] = { "LEN0036", /* T440 */ "LEN0037", "LEN0038", + "LEN0039", /* T440s */ "LEN0041", "LEN0042", /* Yoga */ "LEN0045", diff --git a/drivers/input/mouse/vsxxxaa.c b/drivers/input/mouse/vsxxxaa.c index 38298232124f..abd494411e69 100644 --- a/drivers/input/mouse/vsxxxaa.c +++ b/drivers/input/mouse/vsxxxaa.c @@ -128,7 +128,7 @@ static void vsxxxaa_drop_bytes(struct vsxxxaa *mouse, int num) if (num >= mouse->count) { mouse->count = 0; } else { - memmove(mouse->buf, mouse->buf + num - 1, BUFLEN - num); + memmove(mouse->buf, mouse->buf + num, BUFLEN - num); mouse->count -= num; } } diff --git a/drivers/input/serio/altera_ps2.c b/drivers/input/serio/altera_ps2.c index cce69d6b9587..58781c8a8aec 100644 --- a/drivers/input/serio/altera_ps2.c +++ b/drivers/input/serio/altera_ps2.c @@ -37,7 +37,7 @@ static irqreturn_t altera_ps2_rxint(int irq, void *dev_id) { struct ps2if *ps2if = dev_id; unsigned int status; - int handled = IRQ_NONE; + irqreturn_t handled = IRQ_NONE; while ((status = readl(ps2if->base)) & 0xffff0000) { serio_interrupt(ps2if->io, status & 0xff, 0); @@ -74,7 +74,7 @@ static void altera_ps2_close(struct serio *io) { struct ps2if *ps2if = io->port_data; - writel(0, ps2if->base); /* disable rx irq */ + writel(0, ps2if->base + 4); /* disable rx irq */ } /* diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index a0bcbb64d06d..faeeb1372462 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -207,17 +207,282 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { }; /* - * Some laptops do implement active multiplexing mode correctly; - * unfortunately they are in minority. + * Some Fujitsu notebooks are having trouble with touchpads if + * active multiplexing mode is activated. Luckily they don't have + * external PS/2 ports so we can safely disable it. + * ... apparently some Toshibas don't like MUX mode either and + * die horrible death on reboot. */ -static const struct dmi_system_id __initconst i8042_dmi_mux_table[] = { +static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { + { + /* Fujitsu Lifebook P7010/P7010D */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "P7010"), + }, + }, + { + /* Fujitsu Lifebook P7010 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"), + }, + }, + { + /* Fujitsu Lifebook P5020D */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"), + }, + }, + { + /* Fujitsu Lifebook S2000 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"), + }, + }, + { + /* Fujitsu Lifebook S6230 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"), + }, + }, + { + /* Fujitsu T70H */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"), + }, + }, + { + /* Fujitsu-Siemens Lifebook T3010 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"), + }, + }, + { + /* Fujitsu-Siemens Lifebook E4010 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"), + }, + }, + { + /* Fujitsu-Siemens Amilo Pro 2010 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"), + }, + }, + { + /* Fujitsu-Siemens Amilo Pro 2030 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"), + }, + }, { /* - * Panasonic CF-18 needs to be in MUX mode since the - * touchscreen is on serio3 and it also has touchpad. + * No data is coming from the touchscreen unless KBC + * is in legacy mode. + */ + /* Panasonic CF-29 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"), + DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"), + }, + }, + { + /* + * HP Pavilion DV4017EA - + * errors on MUX ports are reported without raising AUXDATA + * causing "spurious NAK" messages. */ .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"), + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"), + }, + }, + { + /* + * HP Pavilion ZT1000 - + * like DV4017EA does not raise AUXERR for errors on MUX ports. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"), + DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"), + }, + }, + { + /* + * HP Pavilion DV4270ca - + * like DV4017EA does not raise AUXERR for errors on MUX ports. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"), + }, + }, + { + /* Sharp Actius MM20 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SHARP"), + DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"), + }, + }, + { + /* Sony Vaio FS-115b */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"), + }, + }, + { + /* + * Sony Vaio FZ-240E - + * reset and GET ID commands issued via KBD port are + * sometimes being delivered to AUX3. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"), + }, + }, + { + /* + * Most (all?) VAIOs do not have external PS/2 ports nor + * they implement active multiplexing properly, and + * MUX discovery usually messes up keyboard/touchpad. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "VAIO"), + }, + }, + { + /* Amoi M636/A737 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"), + }, + }, + { + /* Lenovo 3000 n100 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "076804U"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), + }, + }, + { + /* Acer Aspire 5710 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"), + }, + }, + { + /* Gericom Bellagio */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Gericom"), + DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"), + }, + }, + { + /* IBM 2656 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "IBM"), + DMI_MATCH(DMI_PRODUCT_NAME, "2656"), + }, + }, + { + /* Dell XPS M1530 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"), + }, + }, + { + /* Compal HEL80I */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"), + DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"), + }, + }, + { + /* Dell Vostro 1510 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"), + }, + }, + { + /* Acer Aspire 5536 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"), + DMI_MATCH(DMI_PRODUCT_VERSION, "0100"), + }, + }, + { + /* Dell Vostro V13 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), + }, + }, + { + /* Newer HP Pavilion dv4 models */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), + }, + }, + { + /* Asus X450LCP */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"), + }, + }, + { + /* Avatar AVIU-145A6 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel"), + DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"), }, }, { } @@ -363,6 +628,22 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), }, }, + { + /* Fujitsu A544 laptop */ + /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"), + }, + }, + { + /* Fujitsu AH544 laptop */ + /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"), + }, + }, { /* Fujitsu U574 laptop */ /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */ @@ -740,8 +1021,8 @@ static int __init i8042_platform_init(void) if (dmi_check_system(i8042_dmi_noloop_table)) i8042_noloop = true; - if (dmi_check_system(i8042_dmi_mux_table)) - i8042_nomux = false; + if (dmi_check_system(i8042_dmi_nomux_table)) + i8042_nomux = true; if (dmi_check_system(i8042_dmi_notimeout_table)) i8042_notimeout = true; diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 9a97c2b10926..f5a98af3b325 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -39,7 +39,7 @@ static bool i8042_noaux; module_param_named(noaux, i8042_noaux, bool, 0); MODULE_PARM_DESC(noaux, "Do not probe or use AUX (mouse) port."); -static bool i8042_nomux = true; +static bool i8042_nomux; module_param_named(nomux, i8042_nomux, bool, 0); MODULE_PARM_DESC(nomux, "Do not check whether an active multiplexing controller is present."); diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c index d0ef91fc87d1..b1ae77995968 100644 --- a/drivers/input/touchscreen/wm97xx-core.c +++ b/drivers/input/touchscreen/wm97xx-core.c @@ -70,11 +70,11 @@ * Documentation/input/input-programming.txt for more details. */ -static int abs_x[3] = {350, 3900, 5}; +static int abs_x[3] = {150, 4000, 5}; module_param_array(abs_x, int, NULL, 0); MODULE_PARM_DESC(abs_x, "Touchscreen absolute X min, max, fuzz"); -static int abs_y[3] = {320, 3750, 40}; +static int abs_y[3] = {200, 4000, 40}; module_param_array(abs_y, int, NULL, 0); MODULE_PARM_DESC(abs_y, "Touchscreen absolute Y min, max, fuzz"); diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 1d54996b6a70..22f15f9951e7 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -152,6 +152,19 @@ config OMAP_IOMMU_DEBUG Say N unless you know you need this. +config ROCKCHIP_IOMMU + bool "Rockchip IOMMU Support" + depends on ARM + depends on ARCH_ROCKCHIP || COMPILE_TEST + select IOMMU_API + select ARM_DMA_USE_IOMMU + help + Support for IOMMUs found on Rockchip rk32xx SOCs. + These IOMMUs allow virtualization of the address space used by most + cores within the multimedia subsystem. + Say Y here if you are using a Rockchip SoC that includes an IOMMU + device. + config TEGRA_IOMMU_GART bool "Tegra GART IOMMU Support" depends on ARCH_TEGRA_2x_SOC diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index 18fa446a4ffa..7b976f294a69 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_IPMMU_VMSA) += ipmmu-vmsa.o obj-$(CONFIG_IRQ_REMAP) += intel_irq_remapping.o irq_remapping.o obj-$(CONFIG_OMAP_IOMMU) += omap-iommu.o obj-$(CONFIG_OMAP_IOMMU_DEBUG) += omap-iommu-debug.o +obj-$(CONFIG_ROCKCHIP_IOMMU) += rockchip-iommu.o obj-$(CONFIG_TEGRA_IOMMU_GART) += tegra-gart.o obj-$(CONFIG_TEGRA_IOMMU_SMMU) += tegra-smmu.o obj-$(CONFIG_EXYNOS_IOMMU) += exynos-iommu.o diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 505a9adac2d5..b205f76d7129 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3411,6 +3411,8 @@ static bool amd_iommu_capable(enum iommu_cap cap) return true; case IOMMU_CAP_INTR_REMAP: return (irq_remapping_enabled == 1); + case IOMMU_CAP_NOEXEC: + return false; } return false; @@ -3424,6 +3426,7 @@ static const struct iommu_ops amd_iommu_ops = { .detach_dev = amd_iommu_detach_device, .map = amd_iommu_map, .unmap = amd_iommu_unmap, + .map_sg = default_iommu_map_sg, .iova_to_phys = amd_iommu_iova_to_phys, .pgsize_bitmap = AMD_IOMMU_PGSIZES, }; diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 90d734bbf467..a2d87a60c27f 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -279,10 +279,8 @@ static void free_pasid_state(struct pasid_state *pasid_state) static void put_pasid_state(struct pasid_state *pasid_state) { - if (atomic_dec_and_test(&pasid_state->count)) { - put_device_state(pasid_state->device_state); + if (atomic_dec_and_test(&pasid_state->count)) wake_up(&pasid_state->wq); - } } static void put_pasid_state_wait(struct pasid_state *pasid_state) @@ -291,9 +289,7 @@ static void put_pasid_state_wait(struct pasid_state *pasid_state) prepare_to_wait(&pasid_state->wq, &wait, TASK_UNINTERRUPTIBLE); - if (atomic_dec_and_test(&pasid_state->count)) - put_device_state(pasid_state->device_state); - else + if (!atomic_dec_and_test(&pasid_state->count)) schedule(); finish_wait(&pasid_state->wq, &wait); diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 60558f794922..b8aac1389a96 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -404,9 +404,16 @@ struct arm_smmu_cfg { #define ARM_SMMU_CB_ASID(cfg) ((cfg)->cbndx) #define ARM_SMMU_CB_VMID(cfg) ((cfg)->cbndx + 1) +enum arm_smmu_domain_stage { + ARM_SMMU_DOMAIN_S1 = 0, + ARM_SMMU_DOMAIN_S2, + ARM_SMMU_DOMAIN_NESTED, +}; + struct arm_smmu_domain { struct arm_smmu_device *smmu; struct arm_smmu_cfg cfg; + enum arm_smmu_domain_stage stage; spinlock_t lock; }; @@ -906,19 +913,46 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, if (smmu_domain->smmu) goto out_unlock; - if (smmu->features & ARM_SMMU_FEAT_TRANS_NESTED) { + /* + * Mapping the requested stage onto what we support is surprisingly + * complicated, mainly because the spec allows S1+S2 SMMUs without + * support for nested translation. That means we end up with the + * following table: + * + * Requested Supported Actual + * S1 N S1 + * S1 S1+S2 S1 + * S1 S2 S2 + * S1 S1 S1 + * N N N + * N S1+S2 S2 + * N S2 S2 + * N S1 S1 + * + * Note that you can't actually request stage-2 mappings. + */ + if (!(smmu->features & ARM_SMMU_FEAT_TRANS_S1)) + smmu_domain->stage = ARM_SMMU_DOMAIN_S2; + if (!(smmu->features & ARM_SMMU_FEAT_TRANS_S2)) + smmu_domain->stage = ARM_SMMU_DOMAIN_S1; + + switch (smmu_domain->stage) { + case ARM_SMMU_DOMAIN_S1: + cfg->cbar = CBAR_TYPE_S1_TRANS_S2_BYPASS; + start = smmu->num_s2_context_banks; + break; + case ARM_SMMU_DOMAIN_NESTED: /* * We will likely want to change this if/when KVM gets * involved. */ - cfg->cbar = CBAR_TYPE_S1_TRANS_S2_BYPASS; - start = smmu->num_s2_context_banks; - } else if (smmu->features & ARM_SMMU_FEAT_TRANS_S1) { - cfg->cbar = CBAR_TYPE_S1_TRANS_S2_BYPASS; - start = smmu->num_s2_context_banks; - } else { + case ARM_SMMU_DOMAIN_S2: cfg->cbar = CBAR_TYPE_S2_TRANS; start = 0; + break; + default: + ret = -EINVAL; + goto out_unlock; } ret = __arm_smmu_alloc_bitmap(smmu->context_map, start, @@ -1281,7 +1315,7 @@ static int arm_smmu_alloc_init_pte(struct arm_smmu_device *smmu, pmd_t *pmd, unsigned long pfn, int prot, int stage) { pte_t *pte, *start; - pteval_t pteval = ARM_SMMU_PTE_PAGE | ARM_SMMU_PTE_AF | ARM_SMMU_PTE_XN; + pteval_t pteval = ARM_SMMU_PTE_PAGE | ARM_SMMU_PTE_AF; if (pmd_none(*pmd)) { /* Allocate a new set of tables */ @@ -1315,10 +1349,11 @@ static int arm_smmu_alloc_init_pte(struct arm_smmu_device *smmu, pmd_t *pmd, pteval |= ARM_SMMU_PTE_MEMATTR_NC; } + if (prot & IOMMU_NOEXEC) + pteval |= ARM_SMMU_PTE_XN; + /* If no access, create a faulting entry to avoid TLB fills */ - if (prot & IOMMU_EXEC) - pteval &= ~ARM_SMMU_PTE_XN; - else if (!(prot & (IOMMU_READ | IOMMU_WRITE))) + if (!(prot & (IOMMU_READ | IOMMU_WRITE))) pteval &= ~ARM_SMMU_PTE_PAGE; pteval |= ARM_SMMU_PTE_SH_IS; @@ -1568,6 +1603,8 @@ static bool arm_smmu_capable(enum iommu_cap cap) return true; case IOMMU_CAP_INTR_REMAP: return true; /* MSIs are just memory writes */ + case IOMMU_CAP_NOEXEC: + return true; default: return false; } @@ -1644,20 +1681,57 @@ static void arm_smmu_remove_device(struct device *dev) iommu_group_remove_device(dev); } +static int arm_smmu_domain_get_attr(struct iommu_domain *domain, + enum iommu_attr attr, void *data) +{ + struct arm_smmu_domain *smmu_domain = domain->priv; + + switch (attr) { + case DOMAIN_ATTR_NESTING: + *(int *)data = (smmu_domain->stage == ARM_SMMU_DOMAIN_NESTED); + return 0; + default: + return -ENODEV; + } +} + +static int arm_smmu_domain_set_attr(struct iommu_domain *domain, + enum iommu_attr attr, void *data) +{ + struct arm_smmu_domain *smmu_domain = domain->priv; + + switch (attr) { + case DOMAIN_ATTR_NESTING: + if (smmu_domain->smmu) + return -EPERM; + if (*(int *)data) + smmu_domain->stage = ARM_SMMU_DOMAIN_NESTED; + else + smmu_domain->stage = ARM_SMMU_DOMAIN_S1; + + return 0; + default: + return -ENODEV; + } +} + static const struct iommu_ops arm_smmu_ops = { - .capable = arm_smmu_capable, - .domain_init = arm_smmu_domain_init, - .domain_destroy = arm_smmu_domain_destroy, - .attach_dev = arm_smmu_attach_dev, - .detach_dev = arm_smmu_detach_dev, - .map = arm_smmu_map, - .unmap = arm_smmu_unmap, - .iova_to_phys = arm_smmu_iova_to_phys, - .add_device = arm_smmu_add_device, - .remove_device = arm_smmu_remove_device, - .pgsize_bitmap = (SECTION_SIZE | - ARM_SMMU_PTE_CONT_SIZE | - PAGE_SIZE), + .capable = arm_smmu_capable, + .domain_init = arm_smmu_domain_init, + .domain_destroy = arm_smmu_domain_destroy, + .attach_dev = arm_smmu_attach_dev, + .detach_dev = arm_smmu_detach_dev, + .map = arm_smmu_map, + .unmap = arm_smmu_unmap, + .map_sg = default_iommu_map_sg, + .iova_to_phys = arm_smmu_iova_to_phys, + .add_device = arm_smmu_add_device, + .remove_device = arm_smmu_remove_device, + .domain_get_attr = arm_smmu_domain_get_attr, + .domain_set_attr = arm_smmu_domain_set_attr, + .pgsize_bitmap = (SECTION_SIZE | + ARM_SMMU_PTE_CONT_SIZE | + PAGE_SIZE), }; static void arm_smmu_device_reset(struct arm_smmu_device *smmu) @@ -2072,8 +2146,20 @@ static struct platform_driver arm_smmu_driver = { static int __init arm_smmu_init(void) { + struct device_node *np; int ret; + /* + * Play nice with systems that don't have an ARM SMMU by checking that + * an ARM SMMU exists in the system before proceeding with the driver + * and IOMMU bus operation registration. + */ + np = of_find_matching_node(NULL, arm_smmu_of_match); + if (!np) + return 0; + + of_node_put(np); + ret = platform_driver_register(&arm_smmu_driver); if (ret) return ret; diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index c5c61cabd6e3..9847613085e1 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -44,6 +44,14 @@ #include "irq_remapping.h" +typedef int (*dmar_res_handler_t)(struct acpi_dmar_header *, void *); +struct dmar_res_callback { + dmar_res_handler_t cb[ACPI_DMAR_TYPE_RESERVED]; + void *arg[ACPI_DMAR_TYPE_RESERVED]; + bool ignore_unhandled; + bool print_entry; +}; + /* * Assumptions: * 1) The hotplug framework guarentees that DMAR unit will be hot-added @@ -62,11 +70,12 @@ LIST_HEAD(dmar_drhd_units); struct acpi_table_header * __initdata dmar_tbl; static acpi_size dmar_tbl_size; static int dmar_dev_scope_status = 1; +static unsigned long dmar_seq_ids[BITS_TO_LONGS(DMAR_UNITS_SUPPORTED)]; static int alloc_iommu(struct dmar_drhd_unit *drhd); static void free_iommu(struct intel_iommu *iommu); -static void __init dmar_register_drhd_unit(struct dmar_drhd_unit *drhd) +static void dmar_register_drhd_unit(struct dmar_drhd_unit *drhd) { /* * add INCLUDE_ALL at the tail, so scan the list will find it at @@ -344,24 +353,45 @@ static struct notifier_block dmar_pci_bus_nb = { .priority = INT_MIN, }; +static struct dmar_drhd_unit * +dmar_find_dmaru(struct acpi_dmar_hardware_unit *drhd) +{ + struct dmar_drhd_unit *dmaru; + + list_for_each_entry_rcu(dmaru, &dmar_drhd_units, list) + if (dmaru->segment == drhd->segment && + dmaru->reg_base_addr == drhd->address) + return dmaru; + + return NULL; +} + /** * dmar_parse_one_drhd - parses exactly one DMA remapping hardware definition * structure which uniquely represent one DMA remapping hardware unit * present in the platform */ -static int __init -dmar_parse_one_drhd(struct acpi_dmar_header *header) +static int dmar_parse_one_drhd(struct acpi_dmar_header *header, void *arg) { struct acpi_dmar_hardware_unit *drhd; struct dmar_drhd_unit *dmaru; int ret = 0; drhd = (struct acpi_dmar_hardware_unit *)header; - dmaru = kzalloc(sizeof(*dmaru), GFP_KERNEL); + dmaru = dmar_find_dmaru(drhd); + if (dmaru) + goto out; + + dmaru = kzalloc(sizeof(*dmaru) + header->length, GFP_KERNEL); if (!dmaru) return -ENOMEM; - dmaru->hdr = header; + /* + * If header is allocated from slab by ACPI _DSM method, we need to + * copy the content because the memory buffer will be freed on return. + */ + dmaru->hdr = (void *)(dmaru + 1); + memcpy(dmaru->hdr, header, header->length); dmaru->reg_base_addr = drhd->address; dmaru->segment = drhd->segment; dmaru->include_all = drhd->flags & 0x1; /* BIT0: INCLUDE_ALL */ @@ -381,6 +411,11 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header) return ret; } dmar_register_drhd_unit(dmaru); + +out: + if (arg) + (*(int *)arg)++; + return 0; } @@ -393,7 +428,8 @@ static void dmar_free_drhd(struct dmar_drhd_unit *dmaru) kfree(dmaru); } -static int __init dmar_parse_one_andd(struct acpi_dmar_header *header) +static int __init dmar_parse_one_andd(struct acpi_dmar_header *header, + void *arg) { struct acpi_dmar_andd *andd = (void *)header; @@ -414,8 +450,7 @@ static int __init dmar_parse_one_andd(struct acpi_dmar_header *header) } #ifdef CONFIG_ACPI_NUMA -static int __init -dmar_parse_one_rhsa(struct acpi_dmar_header *header) +static int dmar_parse_one_rhsa(struct acpi_dmar_header *header, void *arg) { struct acpi_dmar_rhsa *rhsa; struct dmar_drhd_unit *drhd; @@ -442,6 +477,8 @@ dmar_parse_one_rhsa(struct acpi_dmar_header *header) return 0; } +#else +#define dmar_parse_one_rhsa dmar_res_noop #endif static void __init @@ -503,6 +540,52 @@ static int __init dmar_table_detect(void) return (ACPI_SUCCESS(status) ? 1 : 0); } +static int dmar_walk_remapping_entries(struct acpi_dmar_header *start, + size_t len, struct dmar_res_callback *cb) +{ + int ret = 0; + struct acpi_dmar_header *iter, *next; + struct acpi_dmar_header *end = ((void *)start) + len; + + for (iter = start; iter < end && ret == 0; iter = next) { + next = (void *)iter + iter->length; + if (iter->length == 0) { + /* Avoid looping forever on bad ACPI tables */ + pr_debug(FW_BUG "Invalid 0-length structure\n"); + break; + } else if (next > end) { + /* Avoid passing table end */ + pr_warn(FW_BUG "record passes table end\n"); + ret = -EINVAL; + break; + } + + if (cb->print_entry) + dmar_table_print_dmar_entry(iter); + + if (iter->type >= ACPI_DMAR_TYPE_RESERVED) { + /* continue for forward compatibility */ + pr_debug("Unknown DMAR structure type %d\n", + iter->type); + } else if (cb->cb[iter->type]) { + ret = cb->cb[iter->type](iter, cb->arg[iter->type]); + } else if (!cb->ignore_unhandled) { + pr_warn("No handler for DMAR structure type %d\n", + iter->type); + ret = -EINVAL; + } + } + + return ret; +} + +static inline int dmar_walk_dmar_table(struct acpi_table_dmar *dmar, + struct dmar_res_callback *cb) +{ + return dmar_walk_remapping_entries((void *)(dmar + 1), + dmar->header.length - sizeof(*dmar), cb); +} + /** * parse_dmar_table - parses the DMA reporting table */ @@ -510,9 +593,18 @@ static int __init parse_dmar_table(void) { struct acpi_table_dmar *dmar; - struct acpi_dmar_header *entry_header; int ret = 0; int drhd_count = 0; + struct dmar_res_callback cb = { + .print_entry = true, + .ignore_unhandled = true, + .arg[ACPI_DMAR_TYPE_HARDWARE_UNIT] = &drhd_count, + .cb[ACPI_DMAR_TYPE_HARDWARE_UNIT] = &dmar_parse_one_drhd, + .cb[ACPI_DMAR_TYPE_RESERVED_MEMORY] = &dmar_parse_one_rmrr, + .cb[ACPI_DMAR_TYPE_ROOT_ATS] = &dmar_parse_one_atsr, + .cb[ACPI_DMAR_TYPE_HARDWARE_AFFINITY] = &dmar_parse_one_rhsa, + .cb[ACPI_DMAR_TYPE_NAMESPACE] = &dmar_parse_one_andd, + }; /* * Do it again, earlier dmar_tbl mapping could be mapped with @@ -536,51 +628,10 @@ parse_dmar_table(void) } pr_info("Host address width %d\n", dmar->width + 1); - - entry_header = (struct acpi_dmar_header *)(dmar + 1); - while (((unsigned long)entry_header) < - (((unsigned long)dmar) + dmar_tbl->length)) { - /* Avoid looping forever on bad ACPI tables */ - if (entry_header->length == 0) { - pr_warn("Invalid 0-length structure\n"); - ret = -EINVAL; - break; - } - - dmar_table_print_dmar_entry(entry_header); - - switch (entry_header->type) { - case ACPI_DMAR_TYPE_HARDWARE_UNIT: - drhd_count++; - ret = dmar_parse_one_drhd(entry_header); - break; - case ACPI_DMAR_TYPE_RESERVED_MEMORY: - ret = dmar_parse_one_rmrr(entry_header); - break; - case ACPI_DMAR_TYPE_ROOT_ATS: - ret = dmar_parse_one_atsr(entry_header); - break; - case ACPI_DMAR_TYPE_HARDWARE_AFFINITY: -#ifdef CONFIG_ACPI_NUMA - ret = dmar_parse_one_rhsa(entry_header); -#endif - break; - case ACPI_DMAR_TYPE_NAMESPACE: - ret = dmar_parse_one_andd(entry_header); - break; - default: - pr_warn("Unknown DMAR structure type %d\n", - entry_header->type); - ret = 0; /* for forward compatibility */ - break; - } - if (ret) - break; - - entry_header = ((void *)entry_header + entry_header->length); - } - if (drhd_count == 0) + ret = dmar_walk_dmar_table(dmar, &cb); + if (ret == 0 && drhd_count == 0) pr_warn(FW_BUG "No DRHD structure found in DMAR table\n"); + return ret; } @@ -778,76 +829,68 @@ static void warn_invalid_dmar(u64 addr, const char *message) dmi_get_system_info(DMI_PRODUCT_VERSION)); } -static int __init check_zero_address(void) +static int __ref +dmar_validate_one_drhd(struct acpi_dmar_header *entry, void *arg) { - struct acpi_table_dmar *dmar; - struct acpi_dmar_header *entry_header; struct acpi_dmar_hardware_unit *drhd; + void __iomem *addr; + u64 cap, ecap; - dmar = (struct acpi_table_dmar *)dmar_tbl; - entry_header = (struct acpi_dmar_header *)(dmar + 1); - - while (((unsigned long)entry_header) < - (((unsigned long)dmar) + dmar_tbl->length)) { - /* Avoid looping forever on bad ACPI tables */ - if (entry_header->length == 0) { - pr_warn("Invalid 0-length structure\n"); - return 0; - } - - if (entry_header->type == ACPI_DMAR_TYPE_HARDWARE_UNIT) { - void __iomem *addr; - u64 cap, ecap; - - drhd = (void *)entry_header; - if (!drhd->address) { - warn_invalid_dmar(0, ""); - goto failed; - } - - addr = early_ioremap(drhd->address, VTD_PAGE_SIZE); - if (!addr ) { - printk("IOMMU: can't validate: %llx\n", drhd->address); - goto failed; - } - cap = dmar_readq(addr + DMAR_CAP_REG); - ecap = dmar_readq(addr + DMAR_ECAP_REG); - early_iounmap(addr, VTD_PAGE_SIZE); - if (cap == (uint64_t)-1 && ecap == (uint64_t)-1) { - warn_invalid_dmar(drhd->address, - " returns all ones"); - goto failed; - } - } - - entry_header = ((void *)entry_header + entry_header->length); + drhd = (void *)entry; + if (!drhd->address) { + warn_invalid_dmar(0, ""); + return -EINVAL; + } + + if (arg) + addr = ioremap(drhd->address, VTD_PAGE_SIZE); + else + addr = early_ioremap(drhd->address, VTD_PAGE_SIZE); + if (!addr) { + pr_warn("IOMMU: can't validate: %llx\n", drhd->address); + return -EINVAL; + } + + cap = dmar_readq(addr + DMAR_CAP_REG); + ecap = dmar_readq(addr + DMAR_ECAP_REG); + + if (arg) + iounmap(addr); + else + early_iounmap(addr, VTD_PAGE_SIZE); + + if (cap == (uint64_t)-1 && ecap == (uint64_t)-1) { + warn_invalid_dmar(drhd->address, " returns all ones"); + return -EINVAL; } - return 1; -failed: return 0; } int __init detect_intel_iommu(void) { int ret; + struct dmar_res_callback validate_drhd_cb = { + .cb[ACPI_DMAR_TYPE_HARDWARE_UNIT] = &dmar_validate_one_drhd, + .ignore_unhandled = true, + }; down_write(&dmar_global_lock); ret = dmar_table_detect(); if (ret) - ret = check_zero_address(); - { - if (ret && !no_iommu && !iommu_detected && !dmar_disabled) { - iommu_detected = 1; - /* Make sure ACS will be enabled */ - pci_request_acs(); - } + ret = !dmar_walk_dmar_table((struct acpi_table_dmar *)dmar_tbl, + &validate_drhd_cb); + if (ret && !no_iommu && !iommu_detected && !dmar_disabled) { + iommu_detected = 1; + /* Make sure ACS will be enabled */ + pci_request_acs(); + } #ifdef CONFIG_X86 - if (ret) - x86_init.iommu.iommu_init = intel_iommu_init; + if (ret) + x86_init.iommu.iommu_init = intel_iommu_init; #endif - } + early_acpi_os_unmap_memory((void __iomem *)dmar_tbl, dmar_tbl_size); dmar_tbl = NULL; up_write(&dmar_global_lock); @@ -931,11 +974,32 @@ static int map_iommu(struct intel_iommu *iommu, u64 phys_addr) return err; } +static int dmar_alloc_seq_id(struct intel_iommu *iommu) +{ + iommu->seq_id = find_first_zero_bit(dmar_seq_ids, + DMAR_UNITS_SUPPORTED); + if (iommu->seq_id >= DMAR_UNITS_SUPPORTED) { + iommu->seq_id = -1; + } else { + set_bit(iommu->seq_id, dmar_seq_ids); + sprintf(iommu->name, "dmar%d", iommu->seq_id); + } + + return iommu->seq_id; +} + +static void dmar_free_seq_id(struct intel_iommu *iommu) +{ + if (iommu->seq_id >= 0) { + clear_bit(iommu->seq_id, dmar_seq_ids); + iommu->seq_id = -1; + } +} + static int alloc_iommu(struct dmar_drhd_unit *drhd) { struct intel_iommu *iommu; u32 ver, sts; - static int iommu_allocated = 0; int agaw = 0; int msagaw = 0; int err; @@ -949,13 +1013,16 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) if (!iommu) return -ENOMEM; - iommu->seq_id = iommu_allocated++; - sprintf (iommu->name, "dmar%d", iommu->seq_id); + if (dmar_alloc_seq_id(iommu) < 0) { + pr_err("IOMMU: failed to allocate seq_id\n"); + err = -ENOSPC; + goto error; + } err = map_iommu(iommu, drhd->reg_base_addr); if (err) { pr_err("IOMMU: failed to map %s\n", iommu->name); - goto error; + goto error_free_seq_id; } err = -EINVAL; @@ -1005,9 +1072,11 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) return 0; - err_unmap: +err_unmap: unmap_iommu(iommu); - error: +error_free_seq_id: + dmar_free_seq_id(iommu); +error: kfree(iommu); return err; } @@ -1031,6 +1100,7 @@ static void free_iommu(struct intel_iommu *iommu) if (iommu->reg) unmap_iommu(iommu); + dmar_free_seq_id(iommu); kfree(iommu); } @@ -1661,12 +1731,17 @@ int __init dmar_ir_support(void) return dmar->flags & 0x1; } +/* Check whether DMAR units are in use */ +static inline bool dmar_in_use(void) +{ + return irq_remapping_enabled || intel_iommu_enabled; +} + static int __init dmar_free_unused_resources(void) { struct dmar_drhd_unit *dmaru, *dmaru_n; - /* DMAR units are in use */ - if (irq_remapping_enabled || intel_iommu_enabled) + if (dmar_in_use()) return 0; if (dmar_dev_scope_status != 1 && !list_empty(&dmar_drhd_units)) @@ -1684,3 +1759,242 @@ static int __init dmar_free_unused_resources(void) late_initcall(dmar_free_unused_resources); IOMMU_INIT_POST(detect_intel_iommu); + +/* + * DMAR Hotplug Support + * For more details, please refer to Intel(R) Virtualization Technology + * for Directed-IO Architecture Specifiction, Rev 2.2, Section 8.8 + * "Remapping Hardware Unit Hot Plug". + */ +static u8 dmar_hp_uuid[] = { + /* 0000 */ 0xA6, 0xA3, 0xC1, 0xD8, 0x9B, 0xBE, 0x9B, 0x4C, + /* 0008 */ 0x91, 0xBF, 0xC3, 0xCB, 0x81, 0xFC, 0x5D, 0xAF +}; + +/* + * Currently there's only one revision and BIOS will not check the revision id, + * so use 0 for safety. + */ +#define DMAR_DSM_REV_ID 0 +#define DMAR_DSM_FUNC_DRHD 1 +#define DMAR_DSM_FUNC_ATSR 2 +#define DMAR_DSM_FUNC_RHSA 3 + +static inline bool dmar_detect_dsm(acpi_handle handle, int func) +{ + return acpi_check_dsm(handle, dmar_hp_uuid, DMAR_DSM_REV_ID, 1 << func); +} + +static int dmar_walk_dsm_resource(acpi_handle handle, int func, + dmar_res_handler_t handler, void *arg) +{ + int ret = -ENODEV; + union acpi_object *obj; + struct acpi_dmar_header *start; + struct dmar_res_callback callback; + static int res_type[] = { + [DMAR_DSM_FUNC_DRHD] = ACPI_DMAR_TYPE_HARDWARE_UNIT, + [DMAR_DSM_FUNC_ATSR] = ACPI_DMAR_TYPE_ROOT_ATS, + [DMAR_DSM_FUNC_RHSA] = ACPI_DMAR_TYPE_HARDWARE_AFFINITY, + }; + + if (!dmar_detect_dsm(handle, func)) + return 0; + + obj = acpi_evaluate_dsm_typed(handle, dmar_hp_uuid, DMAR_DSM_REV_ID, + func, NULL, ACPI_TYPE_BUFFER); + if (!obj) + return -ENODEV; + + memset(&callback, 0, sizeof(callback)); + callback.cb[res_type[func]] = handler; + callback.arg[res_type[func]] = arg; + start = (struct acpi_dmar_header *)obj->buffer.pointer; + ret = dmar_walk_remapping_entries(start, obj->buffer.length, &callback); + + ACPI_FREE(obj); + + return ret; +} + +static int dmar_hp_add_drhd(struct acpi_dmar_header *header, void *arg) +{ + int ret; + struct dmar_drhd_unit *dmaru; + + dmaru = dmar_find_dmaru((struct acpi_dmar_hardware_unit *)header); + if (!dmaru) + return -ENODEV; + + ret = dmar_ir_hotplug(dmaru, true); + if (ret == 0) + ret = dmar_iommu_hotplug(dmaru, true); + + return ret; +} + +static int dmar_hp_remove_drhd(struct acpi_dmar_header *header, void *arg) +{ + int i, ret; + struct device *dev; + struct dmar_drhd_unit *dmaru; + + dmaru = dmar_find_dmaru((struct acpi_dmar_hardware_unit *)header); + if (!dmaru) + return 0; + + /* + * All PCI devices managed by this unit should have been destroyed. + */ + if (!dmaru->include_all && dmaru->devices && dmaru->devices_cnt) + for_each_active_dev_scope(dmaru->devices, + dmaru->devices_cnt, i, dev) + return -EBUSY; + + ret = dmar_ir_hotplug(dmaru, false); + if (ret == 0) + ret = dmar_iommu_hotplug(dmaru, false); + + return ret; +} + +static int dmar_hp_release_drhd(struct acpi_dmar_header *header, void *arg) +{ + struct dmar_drhd_unit *dmaru; + + dmaru = dmar_find_dmaru((struct acpi_dmar_hardware_unit *)header); + if (dmaru) { + list_del_rcu(&dmaru->list); + synchronize_rcu(); + dmar_free_drhd(dmaru); + } + + return 0; +} + +static int dmar_hotplug_insert(acpi_handle handle) +{ + int ret; + int drhd_count = 0; + + ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD, + &dmar_validate_one_drhd, (void *)1); + if (ret) + goto out; + + ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD, + &dmar_parse_one_drhd, (void *)&drhd_count); + if (ret == 0 && drhd_count == 0) { + pr_warn(FW_BUG "No DRHD structures in buffer returned by _DSM method\n"); + goto out; + } else if (ret) { + goto release_drhd; + } + + ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_RHSA, + &dmar_parse_one_rhsa, NULL); + if (ret) + goto release_drhd; + + ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_ATSR, + &dmar_parse_one_atsr, NULL); + if (ret) + goto release_atsr; + + ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD, + &dmar_hp_add_drhd, NULL); + if (!ret) + return 0; + + dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD, + &dmar_hp_remove_drhd, NULL); +release_atsr: + dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_ATSR, + &dmar_release_one_atsr, NULL); +release_drhd: + dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD, + &dmar_hp_release_drhd, NULL); +out: + return ret; +} + +static int dmar_hotplug_remove(acpi_handle handle) +{ + int ret; + + ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_ATSR, + &dmar_check_one_atsr, NULL); + if (ret) + return ret; + + ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD, + &dmar_hp_remove_drhd, NULL); + if (ret == 0) { + WARN_ON(dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_ATSR, + &dmar_release_one_atsr, NULL)); + WARN_ON(dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD, + &dmar_hp_release_drhd, NULL)); + } else { + dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD, + &dmar_hp_add_drhd, NULL); + } + + return ret; +} + +static acpi_status dmar_get_dsm_handle(acpi_handle handle, u32 lvl, + void *context, void **retval) +{ + acpi_handle *phdl = retval; + + if (dmar_detect_dsm(handle, DMAR_DSM_FUNC_DRHD)) { + *phdl = handle; + return AE_CTRL_TERMINATE; + } + + return AE_OK; +} + +static int dmar_device_hotplug(acpi_handle handle, bool insert) +{ + int ret; + acpi_handle tmp = NULL; + acpi_status status; + + if (!dmar_in_use()) + return 0; + + if (dmar_detect_dsm(handle, DMAR_DSM_FUNC_DRHD)) { + tmp = handle; + } else { + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, + ACPI_UINT32_MAX, + dmar_get_dsm_handle, + NULL, NULL, &tmp); + if (ACPI_FAILURE(status)) { + pr_warn("Failed to locate _DSM method.\n"); + return -ENXIO; + } + } + if (tmp == NULL) + return 0; + + down_write(&dmar_global_lock); + if (insert) + ret = dmar_hotplug_insert(tmp); + else + ret = dmar_hotplug_remove(tmp); + up_write(&dmar_global_lock); + + return ret; +} + +int dmar_device_add(acpi_handle handle) +{ + return dmar_device_hotplug(handle, true); +} + +int dmar_device_remove(acpi_handle handle) +{ + return dmar_device_hotplug(handle, false); +} diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 74233186f6f7..28372b85d8da 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -1178,6 +1178,7 @@ static const struct iommu_ops exynos_iommu_ops = { .detach_dev = exynos_iommu_detach_device, .map = exynos_iommu_map, .unmap = exynos_iommu_unmap, + .map_sg = default_iommu_map_sg, .iova_to_phys = exynos_iommu_iova_to_phys, .add_device = exynos_iommu_add_device, .remove_device = exynos_iommu_remove_device, diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a27d6cb1a793..1232336b960e 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -195,6 +195,7 @@ static inline void set_root_present(struct root_entry *root) } static inline void set_root_value(struct root_entry *root, unsigned long value) { + root->val &= ~VTD_PAGE_MASK; root->val |= value & VTD_PAGE_MASK; } @@ -247,6 +248,7 @@ static inline void context_set_translation_type(struct context_entry *context, static inline void context_set_address_root(struct context_entry *context, unsigned long value) { + context->lo &= ~VTD_PAGE_MASK; context->lo |= value & VTD_PAGE_MASK; } @@ -328,17 +330,10 @@ static int hw_pass_through = 1; /* si_domain contains mulitple devices */ #define DOMAIN_FLAG_STATIC_IDENTITY (1 << 1) -/* define the limit of IOMMUs supported in each domain */ -#ifdef CONFIG_X86 -# define IOMMU_UNITS_SUPPORTED MAX_IO_APICS -#else -# define IOMMU_UNITS_SUPPORTED 64 -#endif - struct dmar_domain { int id; /* domain id */ int nid; /* node id */ - DECLARE_BITMAP(iommu_bmp, IOMMU_UNITS_SUPPORTED); + DECLARE_BITMAP(iommu_bmp, DMAR_UNITS_SUPPORTED); /* bitmap of iommus this domain uses*/ struct list_head devices; /* all devices' list */ @@ -1132,8 +1127,11 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu) unsigned long flags; root = (struct root_entry *)alloc_pgtable_page(iommu->node); - if (!root) + if (!root) { + pr_err("IOMMU: allocating root entry for %s failed\n", + iommu->name); return -ENOMEM; + } __iommu_flush_cache(iommu, root, ROOT_SIZE); @@ -1473,7 +1471,7 @@ static int iommu_init_domains(struct intel_iommu *iommu) return 0; } -static void free_dmar_iommu(struct intel_iommu *iommu) +static void disable_dmar_iommu(struct intel_iommu *iommu) { struct dmar_domain *domain; int i; @@ -1497,11 +1495,16 @@ static void free_dmar_iommu(struct intel_iommu *iommu) if (iommu->gcmd & DMA_GCMD_TE) iommu_disable_translation(iommu); +} - kfree(iommu->domains); - kfree(iommu->domain_ids); - iommu->domains = NULL; - iommu->domain_ids = NULL; +static void free_dmar_iommu(struct intel_iommu *iommu) +{ + if ((iommu->domains) && (iommu->domain_ids)) { + kfree(iommu->domains); + kfree(iommu->domain_ids); + iommu->domains = NULL; + iommu->domain_ids = NULL; + } g_iommus[iommu->seq_id] = NULL; @@ -1983,7 +1986,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn, { struct dma_pte *first_pte = NULL, *pte = NULL; phys_addr_t uninitialized_var(pteval); - unsigned long sg_res; + unsigned long sg_res = 0; unsigned int largepage_lvl = 0; unsigned long lvl_pages = 0; @@ -1994,10 +1997,8 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn, prot &= DMA_PTE_READ | DMA_PTE_WRITE | DMA_PTE_SNP; - if (sg) - sg_res = 0; - else { - sg_res = nr_pages + 1; + if (!sg) { + sg_res = nr_pages; pteval = ((phys_addr_t)phys_pfn << VTD_PAGE_SHIFT) | prot; } @@ -2708,6 +2709,41 @@ static int __init iommu_prepare_static_identity_mapping(int hw) return 0; } +static void intel_iommu_init_qi(struct intel_iommu *iommu) +{ + /* + * Start from the sane iommu hardware state. + * If the queued invalidation is already initialized by us + * (for example, while enabling interrupt-remapping) then + * we got the things already rolling from a sane state. + */ + if (!iommu->qi) { + /* + * Clear any previous faults. + */ + dmar_fault(-1, iommu); + /* + * Disable queued invalidation if supported and already enabled + * before OS handover. + */ + dmar_disable_qi(iommu); + } + + if (dmar_enable_qi(iommu)) { + /* + * Queued Invalidate not enabled, use Register Based Invalidate + */ + iommu->flush.flush_context = __iommu_flush_context; + iommu->flush.flush_iotlb = __iommu_flush_iotlb; + pr_info("IOMMU: %s using Register based invalidation\n", + iommu->name); + } else { + iommu->flush.flush_context = qi_flush_context; + iommu->flush.flush_iotlb = qi_flush_iotlb; + pr_info("IOMMU: %s using Queued invalidation\n", iommu->name); + } +} + static int __init init_dmars(void) { struct dmar_drhd_unit *drhd; @@ -2728,14 +2764,18 @@ static int __init init_dmars(void) * threaded kernel __init code path all other access are read * only */ - if (g_num_of_iommus < IOMMU_UNITS_SUPPORTED) { + if (g_num_of_iommus < DMAR_UNITS_SUPPORTED) { g_num_of_iommus++; continue; } printk_once(KERN_ERR "intel-iommu: exceeded %d IOMMUs\n", - IOMMU_UNITS_SUPPORTED); + DMAR_UNITS_SUPPORTED); } + /* Preallocate enough resources for IOMMU hot-addition */ + if (g_num_of_iommus < DMAR_UNITS_SUPPORTED) + g_num_of_iommus = DMAR_UNITS_SUPPORTED; + g_iommus = kcalloc(g_num_of_iommus, sizeof(struct intel_iommu *), GFP_KERNEL); if (!g_iommus) { @@ -2764,58 +2804,14 @@ static int __init init_dmars(void) * among all IOMMU's. Need to Split it later. */ ret = iommu_alloc_root_entry(iommu); - if (ret) { - printk(KERN_ERR "IOMMU: allocate root entry failed\n"); + if (ret) goto free_iommu; - } if (!ecap_pass_through(iommu->ecap)) hw_pass_through = 0; } - /* - * Start from the sane iommu hardware state. - */ - for_each_active_iommu(iommu, drhd) { - /* - * If the queued invalidation is already initialized by us - * (for example, while enabling interrupt-remapping) then - * we got the things already rolling from a sane state. - */ - if (iommu->qi) - continue; - - /* - * Clear any previous faults. - */ - dmar_fault(-1, iommu); - /* - * Disable queued invalidation if supported and already enabled - * before OS handover. - */ - dmar_disable_qi(iommu); - } - - for_each_active_iommu(iommu, drhd) { - if (dmar_enable_qi(iommu)) { - /* - * Queued Invalidate not enabled, use Register Based - * Invalidate - */ - iommu->flush.flush_context = __iommu_flush_context; - iommu->flush.flush_iotlb = __iommu_flush_iotlb; - printk(KERN_INFO "IOMMU %d 0x%Lx: using Register based " - "invalidation\n", - iommu->seq_id, - (unsigned long long)drhd->reg_base_addr); - } else { - iommu->flush.flush_context = qi_flush_context; - iommu->flush.flush_iotlb = qi_flush_iotlb; - printk(KERN_INFO "IOMMU %d 0x%Lx: using Queued " - "invalidation\n", - iommu->seq_id, - (unsigned long long)drhd->reg_base_addr); - } - } + for_each_active_iommu(iommu, drhd) + intel_iommu_init_qi(iommu); if (iommu_pass_through) iommu_identity_mapping |= IDENTMAP_ALL; @@ -2901,8 +2897,10 @@ static int __init init_dmars(void) return 0; free_iommu: - for_each_active_iommu(iommu, drhd) + for_each_active_iommu(iommu, drhd) { + disable_dmar_iommu(iommu); free_dmar_iommu(iommu); + } kfree(deferred_flush); free_g_iommus: kfree(g_iommus); @@ -3682,7 +3680,7 @@ static inline void init_iommu_pm_ops(void) {} #endif /* CONFIG_PM */ -int __init dmar_parse_one_rmrr(struct acpi_dmar_header *header) +int __init dmar_parse_one_rmrr(struct acpi_dmar_header *header, void *arg) { struct acpi_dmar_reserved_memory *rmrr; struct dmar_rmrr_unit *rmrru; @@ -3708,17 +3706,48 @@ int __init dmar_parse_one_rmrr(struct acpi_dmar_header *header) return 0; } -int __init dmar_parse_one_atsr(struct acpi_dmar_header *hdr) +static struct dmar_atsr_unit *dmar_find_atsr(struct acpi_dmar_atsr *atsr) +{ + struct dmar_atsr_unit *atsru; + struct acpi_dmar_atsr *tmp; + + list_for_each_entry_rcu(atsru, &dmar_atsr_units, list) { + tmp = (struct acpi_dmar_atsr *)atsru->hdr; + if (atsr->segment != tmp->segment) + continue; + if (atsr->header.length != tmp->header.length) + continue; + if (memcmp(atsr, tmp, atsr->header.length) == 0) + return atsru; + } + + return NULL; +} + +int dmar_parse_one_atsr(struct acpi_dmar_header *hdr, void *arg) { struct acpi_dmar_atsr *atsr; struct dmar_atsr_unit *atsru; + if (system_state != SYSTEM_BOOTING && !intel_iommu_enabled) + return 0; + atsr = container_of(hdr, struct acpi_dmar_atsr, header); - atsru = kzalloc(sizeof(*atsru), GFP_KERNEL); + atsru = dmar_find_atsr(atsr); + if (atsru) + return 0; + + atsru = kzalloc(sizeof(*atsru) + hdr->length, GFP_KERNEL); if (!atsru) return -ENOMEM; - atsru->hdr = hdr; + /* + * If memory is allocated from slab by ACPI _DSM method, we need to + * copy the memory content because the memory buffer will be freed + * on return. + */ + atsru->hdr = (void *)(atsru + 1); + memcpy(atsru->hdr, hdr, hdr->length); atsru->include_all = atsr->flags & 0x1; if (!atsru->include_all) { atsru->devices = dmar_alloc_dev_scope((void *)(atsr + 1), @@ -3741,6 +3770,138 @@ static void intel_iommu_free_atsr(struct dmar_atsr_unit *atsru) kfree(atsru); } +int dmar_release_one_atsr(struct acpi_dmar_header *hdr, void *arg) +{ + struct acpi_dmar_atsr *atsr; + struct dmar_atsr_unit *atsru; + + atsr = container_of(hdr, struct acpi_dmar_atsr, header); + atsru = dmar_find_atsr(atsr); + if (atsru) { + list_del_rcu(&atsru->list); + synchronize_rcu(); + intel_iommu_free_atsr(atsru); + } + + return 0; +} + +int dmar_check_one_atsr(struct acpi_dmar_header *hdr, void *arg) +{ + int i; + struct device *dev; + struct acpi_dmar_atsr *atsr; + struct dmar_atsr_unit *atsru; + + atsr = container_of(hdr, struct acpi_dmar_atsr, header); + atsru = dmar_find_atsr(atsr); + if (!atsru) + return 0; + + if (!atsru->include_all && atsru->devices && atsru->devices_cnt) + for_each_active_dev_scope(atsru->devices, atsru->devices_cnt, + i, dev) + return -EBUSY; + + return 0; +} + +static int intel_iommu_add(struct dmar_drhd_unit *dmaru) +{ + int sp, ret = 0; + struct intel_iommu *iommu = dmaru->iommu; + + if (g_iommus[iommu->seq_id]) + return 0; + + if (hw_pass_through && !ecap_pass_through(iommu->ecap)) { + pr_warn("IOMMU: %s doesn't support hardware pass through.\n", + iommu->name); + return -ENXIO; + } + if (!ecap_sc_support(iommu->ecap) && + domain_update_iommu_snooping(iommu)) { + pr_warn("IOMMU: %s doesn't support snooping.\n", + iommu->name); + return -ENXIO; + } + sp = domain_update_iommu_superpage(iommu) - 1; + if (sp >= 0 && !(cap_super_page_val(iommu->cap) & (1 << sp))) { + pr_warn("IOMMU: %s doesn't support large page.\n", + iommu->name); + return -ENXIO; + } + + /* + * Disable translation if already enabled prior to OS handover. + */ + if (iommu->gcmd & DMA_GCMD_TE) + iommu_disable_translation(iommu); + + g_iommus[iommu->seq_id] = iommu; + ret = iommu_init_domains(iommu); + if (ret == 0) + ret = iommu_alloc_root_entry(iommu); + if (ret) + goto out; + + if (dmaru->ignored) { + /* + * we always have to disable PMRs or DMA may fail on this device + */ + if (force_on) + iommu_disable_protect_mem_regions(iommu); + return 0; + } + + intel_iommu_init_qi(iommu); + iommu_flush_write_buffer(iommu); + ret = dmar_set_interrupt(iommu); + if (ret) + goto disable_iommu; + + iommu_set_root_entry(iommu); + iommu->flush.flush_context(iommu, 0, 0, 0, DMA_CCMD_GLOBAL_INVL); + iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH); + iommu_enable_translation(iommu); + + if (si_domain) { + ret = iommu_attach_domain(si_domain, iommu); + if (ret < 0 || si_domain->id != ret) + goto disable_iommu; + domain_attach_iommu(si_domain, iommu); + } + + iommu_disable_protect_mem_regions(iommu); + return 0; + +disable_iommu: + disable_dmar_iommu(iommu); +out: + free_dmar_iommu(iommu); + return ret; +} + +int dmar_iommu_hotplug(struct dmar_drhd_unit *dmaru, bool insert) +{ + int ret = 0; + struct intel_iommu *iommu = dmaru->iommu; + + if (!intel_iommu_enabled) + return 0; + if (iommu == NULL) + return -EINVAL; + + if (insert) { + ret = intel_iommu_add(dmaru); + } else { + disable_dmar_iommu(iommu); + free_dmar_iommu(iommu); + } + + return ret; +} + static void intel_iommu_free_dmars(void) { struct dmar_rmrr_unit *rmrru, *rmrr_n; @@ -4467,6 +4628,7 @@ static const struct iommu_ops intel_iommu_ops = { .detach_dev = intel_iommu_detach_device, .map = intel_iommu_map, .unmap = intel_iommu_unmap, + .map_sg = default_iommu_map_sg, .iova_to_phys = intel_iommu_iova_to_phys, .add_device = intel_iommu_add_device, .remove_device = intel_iommu_remove_device, diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 7c80661b35c1..27541d440849 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -36,7 +36,6 @@ struct hpet_scope { static struct ioapic_scope ir_ioapic[MAX_IO_APICS]; static struct hpet_scope ir_hpet[MAX_HPET_TBS]; -static int ir_ioapic_num, ir_hpet_num; /* * Lock ordering: @@ -206,7 +205,7 @@ static struct intel_iommu *map_hpet_to_ir(u8 hpet_id) int i; for (i = 0; i < MAX_HPET_TBS; i++) - if (ir_hpet[i].id == hpet_id) + if (ir_hpet[i].id == hpet_id && ir_hpet[i].iommu) return ir_hpet[i].iommu; return NULL; } @@ -216,7 +215,7 @@ static struct intel_iommu *map_ioapic_to_ir(int apic) int i; for (i = 0; i < MAX_IO_APICS; i++) - if (ir_ioapic[i].id == apic) + if (ir_ioapic[i].id == apic && ir_ioapic[i].iommu) return ir_ioapic[i].iommu; return NULL; } @@ -325,7 +324,7 @@ static int set_ioapic_sid(struct irte *irte, int apic) down_read(&dmar_global_lock); for (i = 0; i < MAX_IO_APICS; i++) { - if (ir_ioapic[i].id == apic) { + if (ir_ioapic[i].iommu && ir_ioapic[i].id == apic) { sid = (ir_ioapic[i].bus << 8) | ir_ioapic[i].devfn; break; } @@ -352,7 +351,7 @@ static int set_hpet_sid(struct irte *irte, u8 id) down_read(&dmar_global_lock); for (i = 0; i < MAX_HPET_TBS; i++) { - if (ir_hpet[i].id == id) { + if (ir_hpet[i].iommu && ir_hpet[i].id == id) { sid = (ir_hpet[i].bus << 8) | ir_hpet[i].devfn; break; } @@ -473,17 +472,17 @@ static void iommu_set_irq_remapping(struct intel_iommu *iommu, int mode) raw_spin_unlock_irqrestore(&iommu->register_lock, flags); } - -static int intel_setup_irq_remapping(struct intel_iommu *iommu, int mode) +static int intel_setup_irq_remapping(struct intel_iommu *iommu) { struct ir_table *ir_table; struct page *pages; unsigned long *bitmap; - ir_table = iommu->ir_table = kzalloc(sizeof(struct ir_table), - GFP_ATOMIC); + if (iommu->ir_table) + return 0; - if (!iommu->ir_table) + ir_table = kzalloc(sizeof(struct ir_table), GFP_ATOMIC); + if (!ir_table) return -ENOMEM; pages = alloc_pages_node(iommu->node, GFP_ATOMIC | __GFP_ZERO, @@ -492,24 +491,37 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu, int mode) if (!pages) { pr_err("IR%d: failed to allocate pages of order %d\n", iommu->seq_id, INTR_REMAP_PAGE_ORDER); - kfree(iommu->ir_table); - return -ENOMEM; + goto out_free_table; } bitmap = kcalloc(BITS_TO_LONGS(INTR_REMAP_TABLE_ENTRIES), sizeof(long), GFP_ATOMIC); if (bitmap == NULL) { pr_err("IR%d: failed to allocate bitmap\n", iommu->seq_id); - __free_pages(pages, INTR_REMAP_PAGE_ORDER); - kfree(ir_table); - return -ENOMEM; + goto out_free_pages; } ir_table->base = page_address(pages); ir_table->bitmap = bitmap; - - iommu_set_irq_remapping(iommu, mode); + iommu->ir_table = ir_table; return 0; + +out_free_pages: + __free_pages(pages, INTR_REMAP_PAGE_ORDER); +out_free_table: + kfree(ir_table); + return -ENOMEM; +} + +static void intel_teardown_irq_remapping(struct intel_iommu *iommu) +{ + if (iommu && iommu->ir_table) { + free_pages((unsigned long)iommu->ir_table->base, + INTR_REMAP_PAGE_ORDER); + kfree(iommu->ir_table->bitmap); + kfree(iommu->ir_table); + iommu->ir_table = NULL; + } } /* @@ -666,9 +678,10 @@ static int __init intel_enable_irq_remapping(void) if (!ecap_ir_support(iommu->ecap)) continue; - if (intel_setup_irq_remapping(iommu, eim)) + if (intel_setup_irq_remapping(iommu)) goto error; + iommu_set_irq_remapping(iommu, eim); setup = 1; } @@ -689,9 +702,11 @@ static int __init intel_enable_irq_remapping(void) return eim ? IRQ_REMAP_X2APIC_MODE : IRQ_REMAP_XAPIC_MODE; error: - /* - * handle error condition gracefully here! - */ + for_each_iommu(iommu, drhd) + if (ecap_ir_support(iommu->ecap)) { + iommu_disable_irq_remapping(iommu); + intel_teardown_irq_remapping(iommu); + } if (x2apic_present) pr_warn("Failed to enable irq remapping. You are vulnerable to irq-injection attacks.\n"); @@ -699,12 +714,13 @@ static int __init intel_enable_irq_remapping(void) return -1; } -static void ir_parse_one_hpet_scope(struct acpi_dmar_device_scope *scope, - struct intel_iommu *iommu) +static int ir_parse_one_hpet_scope(struct acpi_dmar_device_scope *scope, + struct intel_iommu *iommu, + struct acpi_dmar_hardware_unit *drhd) { struct acpi_dmar_pci_path *path; u8 bus; - int count; + int count, free = -1; bus = scope->bus; path = (struct acpi_dmar_pci_path *)(scope + 1); @@ -720,19 +736,36 @@ static void ir_parse_one_hpet_scope(struct acpi_dmar_device_scope *scope, PCI_SECONDARY_BUS); path++; } - ir_hpet[ir_hpet_num].bus = bus; - ir_hpet[ir_hpet_num].devfn = PCI_DEVFN(path->device, path->function); - ir_hpet[ir_hpet_num].iommu = iommu; - ir_hpet[ir_hpet_num].id = scope->enumeration_id; - ir_hpet_num++; + + for (count = 0; count < MAX_HPET_TBS; count++) { + if (ir_hpet[count].iommu == iommu && + ir_hpet[count].id == scope->enumeration_id) + return 0; + else if (ir_hpet[count].iommu == NULL && free == -1) + free = count; + } + if (free == -1) { + pr_warn("Exceeded Max HPET blocks\n"); + return -ENOSPC; + } + + ir_hpet[free].iommu = iommu; + ir_hpet[free].id = scope->enumeration_id; + ir_hpet[free].bus = bus; + ir_hpet[free].devfn = PCI_DEVFN(path->device, path->function); + pr_info("HPET id %d under DRHD base 0x%Lx\n", + scope->enumeration_id, drhd->address); + + return 0; } -static void ir_parse_one_ioapic_scope(struct acpi_dmar_device_scope *scope, - struct intel_iommu *iommu) +static int ir_parse_one_ioapic_scope(struct acpi_dmar_device_scope *scope, + struct intel_iommu *iommu, + struct acpi_dmar_hardware_unit *drhd) { struct acpi_dmar_pci_path *path; u8 bus; - int count; + int count, free = -1; bus = scope->bus; path = (struct acpi_dmar_pci_path *)(scope + 1); @@ -749,54 +782,63 @@ static void ir_parse_one_ioapic_scope(struct acpi_dmar_device_scope *scope, path++; } - ir_ioapic[ir_ioapic_num].bus = bus; - ir_ioapic[ir_ioapic_num].devfn = PCI_DEVFN(path->device, path->function); - ir_ioapic[ir_ioapic_num].iommu = iommu; - ir_ioapic[ir_ioapic_num].id = scope->enumeration_id; - ir_ioapic_num++; + for (count = 0; count < MAX_IO_APICS; count++) { + if (ir_ioapic[count].iommu == iommu && + ir_ioapic[count].id == scope->enumeration_id) + return 0; + else if (ir_ioapic[count].iommu == NULL && free == -1) + free = count; + } + if (free == -1) { + pr_warn("Exceeded Max IO APICS\n"); + return -ENOSPC; + } + + ir_ioapic[free].bus = bus; + ir_ioapic[free].devfn = PCI_DEVFN(path->device, path->function); + ir_ioapic[free].iommu = iommu; + ir_ioapic[free].id = scope->enumeration_id; + pr_info("IOAPIC id %d under DRHD base 0x%Lx IOMMU %d\n", + scope->enumeration_id, drhd->address, iommu->seq_id); + + return 0; } static int ir_parse_ioapic_hpet_scope(struct acpi_dmar_header *header, struct intel_iommu *iommu) { + int ret = 0; struct acpi_dmar_hardware_unit *drhd; struct acpi_dmar_device_scope *scope; void *start, *end; drhd = (struct acpi_dmar_hardware_unit *)header; - start = (void *)(drhd + 1); end = ((void *)drhd) + header->length; - while (start < end) { + while (start < end && ret == 0) { scope = start; - if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_IOAPIC) { - if (ir_ioapic_num == MAX_IO_APICS) { - printk(KERN_WARNING "Exceeded Max IO APICS\n"); - return -1; - } - - printk(KERN_INFO "IOAPIC id %d under DRHD base " - " 0x%Lx IOMMU %d\n", scope->enumeration_id, - drhd->address, iommu->seq_id); - - ir_parse_one_ioapic_scope(scope, iommu); - } else if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_HPET) { - if (ir_hpet_num == MAX_HPET_TBS) { - printk(KERN_WARNING "Exceeded Max HPET blocks\n"); - return -1; - } - - printk(KERN_INFO "HPET id %d under DRHD base" - " 0x%Lx\n", scope->enumeration_id, - drhd->address); - - ir_parse_one_hpet_scope(scope, iommu); - } + if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_IOAPIC) + ret = ir_parse_one_ioapic_scope(scope, iommu, drhd); + else if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_HPET) + ret = ir_parse_one_hpet_scope(scope, iommu, drhd); start += scope->length; } - return 0; + return ret; +} + +static void ir_remove_ioapic_hpet_scope(struct intel_iommu *iommu) +{ + int i; + + for (i = 0; i < MAX_HPET_TBS; i++) + if (ir_hpet[i].iommu == iommu) + ir_hpet[i].iommu = NULL; + + for (i = 0; i < MAX_IO_APICS; i++) + if (ir_ioapic[i].iommu == iommu) + ir_ioapic[i].iommu = NULL; } /* @@ -1171,3 +1213,86 @@ struct irq_remap_ops intel_irq_remap_ops = { .msi_setup_irq = intel_msi_setup_irq, .alloc_hpet_msi = intel_alloc_hpet_msi, }; + +/* + * Support of Interrupt Remapping Unit Hotplug + */ +static int dmar_ir_add(struct dmar_drhd_unit *dmaru, struct intel_iommu *iommu) +{ + int ret; + int eim = x2apic_enabled(); + + if (eim && !ecap_eim_support(iommu->ecap)) { + pr_info("DRHD %Lx: EIM not supported by DRHD, ecap %Lx\n", + iommu->reg_phys, iommu->ecap); + return -ENODEV; + } + + if (ir_parse_ioapic_hpet_scope(dmaru->hdr, iommu)) { + pr_warn("DRHD %Lx: failed to parse managed IOAPIC/HPET\n", + iommu->reg_phys); + return -ENODEV; + } + + /* TODO: check all IOAPICs are covered by IOMMU */ + + /* Setup Interrupt-remapping now. */ + ret = intel_setup_irq_remapping(iommu); + if (ret) { + pr_err("DRHD %Lx: failed to allocate resource\n", + iommu->reg_phys); + ir_remove_ioapic_hpet_scope(iommu); + return ret; + } + + if (!iommu->qi) { + /* Clear previous faults. */ + dmar_fault(-1, iommu); + iommu_disable_irq_remapping(iommu); + dmar_disable_qi(iommu); + } + + /* Enable queued invalidation */ + ret = dmar_enable_qi(iommu); + if (!ret) { + iommu_set_irq_remapping(iommu, eim); + } else { + pr_err("DRHD %Lx: failed to enable queued invalidation, ecap %Lx, ret %d\n", + iommu->reg_phys, iommu->ecap, ret); + intel_teardown_irq_remapping(iommu); + ir_remove_ioapic_hpet_scope(iommu); + } + + return ret; +} + +int dmar_ir_hotplug(struct dmar_drhd_unit *dmaru, bool insert) +{ + int ret = 0; + struct intel_iommu *iommu = dmaru->iommu; + + if (!irq_remapping_enabled) + return 0; + if (iommu == NULL) + return -EINVAL; + if (!ecap_ir_support(iommu->ecap)) + return 0; + + if (insert) { + if (!iommu->ir_table) + ret = dmar_ir_add(dmaru, iommu); + } else { + if (iommu->ir_table) { + if (!bitmap_empty(iommu->ir_table->bitmap, + INTR_REMAP_TABLE_ENTRIES)) { + ret = -EBUSY; + } else { + iommu_disable_irq_remapping(iommu); + intel_teardown_irq_remapping(iommu); + ir_remove_ioapic_hpet_scope(iommu); + } + } + } + + return ret; +} diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ed8b04867b1f..1bd63352ab17 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -818,7 +818,15 @@ static int iommu_bus_init(struct bus_type *bus, const struct iommu_ops *ops) kfree(nb); return err; } - return bus_for_each_dev(bus, NULL, &cb, add_iommu_group); + + err = bus_for_each_dev(bus, NULL, &cb, add_iommu_group); + if (err) { + bus_unregister_notifier(bus, nb); + kfree(nb); + return err; + } + + return 0; } /** @@ -836,13 +844,19 @@ static int iommu_bus_init(struct bus_type *bus, const struct iommu_ops *ops) */ int bus_set_iommu(struct bus_type *bus, const struct iommu_ops *ops) { + int err; + if (bus->iommu_ops != NULL) return -EBUSY; bus->iommu_ops = ops; /* Do IOMMU specific setup for this bus-type */ - return iommu_bus_init(bus, ops); + err = iommu_bus_init(bus, ops); + if (err) + bus->iommu_ops = NULL; + + return err; } EXPORT_SYMBOL_GPL(bus_set_iommu); @@ -1124,6 +1138,48 @@ size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) } EXPORT_SYMBOL_GPL(iommu_unmap); +size_t default_iommu_map_sg(struct iommu_domain *domain, unsigned long iova, + struct scatterlist *sg, unsigned int nents, int prot) +{ + struct scatterlist *s; + size_t mapped = 0; + unsigned int i, min_pagesz; + int ret; + + if (unlikely(domain->ops->pgsize_bitmap == 0UL)) + return 0; + + min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); + + for_each_sg(sg, s, nents, i) { + phys_addr_t phys = page_to_phys(sg_page(s)) + s->offset; + + /* + * We are mapping on IOMMU page boundaries, so offset within + * the page must be 0. However, the IOMMU may support pages + * smaller than PAGE_SIZE, so s->offset may still represent + * an offset of that boundary within the CPU page. + */ + if (!IS_ALIGNED(s->offset, min_pagesz)) + goto out_err; + + ret = iommu_map(domain, iova + mapped, phys, s->length, prot); + if (ret) + goto out_err; + + mapped += s->length; + } + + return mapped; + +out_err: + /* undo mappings already done */ + iommu_unmap(domain, iova, mapped); + + return 0; + +} +EXPORT_SYMBOL_GPL(default_iommu_map_sg); int iommu_domain_window_enable(struct iommu_domain *domain, u32 wnd_nr, phys_addr_t paddr, u64 size, int prot) diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 7dab5cbcc775..99effbb17191 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -1127,6 +1127,7 @@ static const struct iommu_ops ipmmu_ops = { .detach_dev = ipmmu_detach_device, .map = ipmmu_map, .unmap = ipmmu_unmap, + .map_sg = default_iommu_map_sg, .iova_to_phys = ipmmu_iova_to_phys, .add_device = ipmmu_add_device, .remove_device = ipmmu_remove_device, @@ -1184,7 +1185,7 @@ static int ipmmu_probe(struct platform_device *pdev) dev_name(&pdev->dev), mmu); if (ret < 0) { dev_err(&pdev->dev, "failed to request IRQ %d\n", irq); - return irq; + return ret; } ipmmu_device_reset(mmu); diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c index 6e3dcc289d59..e1b05379ca0e 100644 --- a/drivers/iommu/msm_iommu.c +++ b/drivers/iommu/msm_iommu.c @@ -73,8 +73,7 @@ static int __enable_clocks(struct msm_iommu_drvdata *drvdata) static void __disable_clocks(struct msm_iommu_drvdata *drvdata) { - if (drvdata->clk) - clk_disable(drvdata->clk); + clk_disable(drvdata->clk); clk_disable(drvdata->pclk); } @@ -681,6 +680,7 @@ static const struct iommu_ops msm_iommu_ops = { .detach_dev = msm_iommu_detach_dev, .map = msm_iommu_map, .unmap = msm_iommu_unmap, + .map_sg = default_iommu_map_sg, .iova_to_phys = msm_iommu_iova_to_phys, .pgsize_bitmap = MSM_IOMMU_PGSIZES, }; diff --git a/drivers/iommu/msm_iommu_dev.c b/drivers/iommu/msm_iommu_dev.c index 61def7cb5263..b6d01f97e537 100644 --- a/drivers/iommu/msm_iommu_dev.c +++ b/drivers/iommu/msm_iommu_dev.c @@ -131,7 +131,7 @@ static int msm_iommu_probe(struct platform_device *pdev) struct clk *iommu_clk; struct clk *iommu_pclk; struct msm_iommu_drvdata *drvdata; - struct msm_iommu_dev *iommu_dev = pdev->dev.platform_data; + struct msm_iommu_dev *iommu_dev = dev_get_platdata(&pdev->dev); void __iomem *regs_base; int ret, irq, par; @@ -224,8 +224,7 @@ static int msm_iommu_probe(struct platform_device *pdev) platform_set_drvdata(pdev, drvdata); - if (iommu_clk) - clk_disable(iommu_clk); + clk_disable(iommu_clk); clk_disable(iommu_pclk); @@ -264,7 +263,7 @@ static int msm_iommu_remove(struct platform_device *pdev) static int msm_iommu_ctx_probe(struct platform_device *pdev) { - struct msm_iommu_ctx_dev *c = pdev->dev.platform_data; + struct msm_iommu_ctx_dev *c = dev_get_platdata(&pdev->dev); struct msm_iommu_drvdata *drvdata; struct msm_iommu_ctx_drvdata *ctx_drvdata; int i, ret; @@ -323,8 +322,7 @@ static int msm_iommu_ctx_probe(struct platform_device *pdev) SET_NSCFG(drvdata->base, mid, 3); } - if (drvdata->clk) - clk_disable(drvdata->clk); + clk_disable(drvdata->clk); clk_disable(drvdata->pclk); dev_info(&pdev->dev, "context %s using bank %d\n", c->name, c->num); diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 839cd8bc9aaf..bbb7dcef02d3 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -1364,6 +1364,7 @@ static const struct iommu_ops omap_iommu_ops = { .detach_dev = omap_iommu_detach_dev, .map = omap_iommu_map, .unmap = omap_iommu_unmap, + .map_sg = default_iommu_map_sg, .iova_to_phys = omap_iommu_iova_to_phys, .add_device = omap_iommu_add_device, .remove_device = omap_iommu_remove_device, diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c new file mode 100644 index 000000000000..b2023af384b9 --- /dev/null +++ b/drivers/iommu/rockchip-iommu.c @@ -0,0 +1,1038 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/** MMU register offsets */ +#define RK_MMU_DTE_ADDR 0x00 /* Directory table address */ +#define RK_MMU_STATUS 0x04 +#define RK_MMU_COMMAND 0x08 +#define RK_MMU_PAGE_FAULT_ADDR 0x0C /* IOVA of last page fault */ +#define RK_MMU_ZAP_ONE_LINE 0x10 /* Shootdown one IOTLB entry */ +#define RK_MMU_INT_RAWSTAT 0x14 /* IRQ status ignoring mask */ +#define RK_MMU_INT_CLEAR 0x18 /* Acknowledge and re-arm irq */ +#define RK_MMU_INT_MASK 0x1C /* IRQ enable */ +#define RK_MMU_INT_STATUS 0x20 /* IRQ status after masking */ +#define RK_MMU_AUTO_GATING 0x24 + +#define DTE_ADDR_DUMMY 0xCAFEBABE +#define FORCE_RESET_TIMEOUT 100 /* ms */ + +/* RK_MMU_STATUS fields */ +#define RK_MMU_STATUS_PAGING_ENABLED BIT(0) +#define RK_MMU_STATUS_PAGE_FAULT_ACTIVE BIT(1) +#define RK_MMU_STATUS_STALL_ACTIVE BIT(2) +#define RK_MMU_STATUS_IDLE BIT(3) +#define RK_MMU_STATUS_REPLAY_BUFFER_EMPTY BIT(4) +#define RK_MMU_STATUS_PAGE_FAULT_IS_WRITE BIT(5) +#define RK_MMU_STATUS_STALL_NOT_ACTIVE BIT(31) + +/* RK_MMU_COMMAND command values */ +#define RK_MMU_CMD_ENABLE_PAGING 0 /* Enable memory translation */ +#define RK_MMU_CMD_DISABLE_PAGING 1 /* Disable memory translation */ +#define RK_MMU_CMD_ENABLE_STALL 2 /* Stall paging to allow other cmds */ +#define RK_MMU_CMD_DISABLE_STALL 3 /* Stop stall re-enables paging */ +#define RK_MMU_CMD_ZAP_CACHE 4 /* Shoot down entire IOTLB */ +#define RK_MMU_CMD_PAGE_FAULT_DONE 5 /* Clear page fault */ +#define RK_MMU_CMD_FORCE_RESET 6 /* Reset all registers */ + +/* RK_MMU_INT_* register fields */ +#define RK_MMU_IRQ_PAGE_FAULT 0x01 /* page fault */ +#define RK_MMU_IRQ_BUS_ERROR 0x02 /* bus read error */ +#define RK_MMU_IRQ_MASK (RK_MMU_IRQ_PAGE_FAULT | RK_MMU_IRQ_BUS_ERROR) + +#define NUM_DT_ENTRIES 1024 +#define NUM_PT_ENTRIES 1024 + +#define SPAGE_ORDER 12 +#define SPAGE_SIZE (1 << SPAGE_ORDER) + + /* + * Support mapping any size that fits in one page table: + * 4 KiB to 4 MiB + */ +#define RK_IOMMU_PGSIZE_BITMAP 0x007ff000 + +#define IOMMU_REG_POLL_COUNT_FAST 1000 + +struct rk_iommu_domain { + struct list_head iommus; + u32 *dt; /* page directory table */ + spinlock_t iommus_lock; /* lock for iommus list */ + spinlock_t dt_lock; /* lock for modifying page directory table */ +}; + +struct rk_iommu { + struct device *dev; + void __iomem *base; + int irq; + struct list_head node; /* entry in rk_iommu_domain.iommus */ + struct iommu_domain *domain; /* domain to which iommu is attached */ +}; + +static inline void rk_table_flush(u32 *va, unsigned int count) +{ + phys_addr_t pa_start = virt_to_phys(va); + phys_addr_t pa_end = virt_to_phys(va + count); + size_t size = pa_end - pa_start; + + __cpuc_flush_dcache_area(va, size); + outer_flush_range(pa_start, pa_end); +} + +/** + * Inspired by _wait_for in intel_drv.h + * This is NOT safe for use in interrupt context. + * + * Note that it's important that we check the condition again after having + * timed out, since the timeout could be due to preemption or similar and + * we've never had a chance to check the condition before the timeout. + */ +#define rk_wait_for(COND, MS) ({ \ + unsigned long timeout__ = jiffies + msecs_to_jiffies(MS) + 1; \ + int ret__ = 0; \ + while (!(COND)) { \ + if (time_after(jiffies, timeout__)) { \ + ret__ = (COND) ? 0 : -ETIMEDOUT; \ + break; \ + } \ + usleep_range(50, 100); \ + } \ + ret__; \ +}) + +/* + * The Rockchip rk3288 iommu uses a 2-level page table. + * The first level is the "Directory Table" (DT). + * The DT consists of 1024 4-byte Directory Table Entries (DTEs), each pointing + * to a "Page Table". + * The second level is the 1024 Page Tables (PT). + * Each PT consists of 1024 4-byte Page Table Entries (PTEs), each pointing to + * a 4 KB page of physical memory. + * + * The DT and each PT fits in a single 4 KB page (4-bytes * 1024 entries). + * Each iommu device has a MMU_DTE_ADDR register that contains the physical + * address of the start of the DT page. + * + * The structure of the page table is as follows: + * + * DT + * MMU_DTE_ADDR -> +-----+ + * | | + * +-----+ PT + * | DTE | -> +-----+ + * +-----+ | | Memory + * | | +-----+ Page + * | | | PTE | -> +-----+ + * +-----+ +-----+ | | + * | | | | + * | | | | + * +-----+ | | + * | | + * | | + * +-----+ + */ + +/* + * Each DTE has a PT address and a valid bit: + * +---------------------+-----------+-+ + * | PT address | Reserved |V| + * +---------------------+-----------+-+ + * 31:12 - PT address (PTs always starts on a 4 KB boundary) + * 11: 1 - Reserved + * 0 - 1 if PT @ PT address is valid + */ +#define RK_DTE_PT_ADDRESS_MASK 0xfffff000 +#define RK_DTE_PT_VALID BIT(0) + +static inline phys_addr_t rk_dte_pt_address(u32 dte) +{ + return (phys_addr_t)dte & RK_DTE_PT_ADDRESS_MASK; +} + +static inline bool rk_dte_is_pt_valid(u32 dte) +{ + return dte & RK_DTE_PT_VALID; +} + +static u32 rk_mk_dte(u32 *pt) +{ + phys_addr_t pt_phys = virt_to_phys(pt); + return (pt_phys & RK_DTE_PT_ADDRESS_MASK) | RK_DTE_PT_VALID; +} + +/* + * Each PTE has a Page address, some flags and a valid bit: + * +---------------------+---+-------+-+ + * | Page address |Rsv| Flags |V| + * +---------------------+---+-------+-+ + * 31:12 - Page address (Pages always start on a 4 KB boundary) + * 11: 9 - Reserved + * 8: 1 - Flags + * 8 - Read allocate - allocate cache space on read misses + * 7 - Read cache - enable cache & prefetch of data + * 6 - Write buffer - enable delaying writes on their way to memory + * 5 - Write allocate - allocate cache space on write misses + * 4 - Write cache - different writes can be merged together + * 3 - Override cache attributes + * if 1, bits 4-8 control cache attributes + * if 0, the system bus defaults are used + * 2 - Writable + * 1 - Readable + * 0 - 1 if Page @ Page address is valid + */ +#define RK_PTE_PAGE_ADDRESS_MASK 0xfffff000 +#define RK_PTE_PAGE_FLAGS_MASK 0x000001fe +#define RK_PTE_PAGE_WRITABLE BIT(2) +#define RK_PTE_PAGE_READABLE BIT(1) +#define RK_PTE_PAGE_VALID BIT(0) + +static inline phys_addr_t rk_pte_page_address(u32 pte) +{ + return (phys_addr_t)pte & RK_PTE_PAGE_ADDRESS_MASK; +} + +static inline bool rk_pte_is_page_valid(u32 pte) +{ + return pte & RK_PTE_PAGE_VALID; +} + +/* TODO: set cache flags per prot IOMMU_CACHE */ +static u32 rk_mk_pte(phys_addr_t page, int prot) +{ + u32 flags = 0; + flags |= (prot & IOMMU_READ) ? RK_PTE_PAGE_READABLE : 0; + flags |= (prot & IOMMU_WRITE) ? RK_PTE_PAGE_WRITABLE : 0; + page &= RK_PTE_PAGE_ADDRESS_MASK; + return page | flags | RK_PTE_PAGE_VALID; +} + +static u32 rk_mk_pte_invalid(u32 pte) +{ + return pte & ~RK_PTE_PAGE_VALID; +} + +/* + * rk3288 iova (IOMMU Virtual Address) format + * 31 22.21 12.11 0 + * +-----------+-----------+-------------+ + * | DTE index | PTE index | Page offset | + * +-----------+-----------+-------------+ + * 31:22 - DTE index - index of DTE in DT + * 21:12 - PTE index - index of PTE in PT @ DTE.pt_address + * 11: 0 - Page offset - offset into page @ PTE.page_address + */ +#define RK_IOVA_DTE_MASK 0xffc00000 +#define RK_IOVA_DTE_SHIFT 22 +#define RK_IOVA_PTE_MASK 0x003ff000 +#define RK_IOVA_PTE_SHIFT 12 +#define RK_IOVA_PAGE_MASK 0x00000fff +#define RK_IOVA_PAGE_SHIFT 0 + +static u32 rk_iova_dte_index(dma_addr_t iova) +{ + return (u32)(iova & RK_IOVA_DTE_MASK) >> RK_IOVA_DTE_SHIFT; +} + +static u32 rk_iova_pte_index(dma_addr_t iova) +{ + return (u32)(iova & RK_IOVA_PTE_MASK) >> RK_IOVA_PTE_SHIFT; +} + +static u32 rk_iova_page_offset(dma_addr_t iova) +{ + return (u32)(iova & RK_IOVA_PAGE_MASK) >> RK_IOVA_PAGE_SHIFT; +} + +static u32 rk_iommu_read(struct rk_iommu *iommu, u32 offset) +{ + return readl(iommu->base + offset); +} + +static void rk_iommu_write(struct rk_iommu *iommu, u32 offset, u32 value) +{ + writel(value, iommu->base + offset); +} + +static void rk_iommu_command(struct rk_iommu *iommu, u32 command) +{ + writel(command, iommu->base + RK_MMU_COMMAND); +} + +static void rk_iommu_zap_lines(struct rk_iommu *iommu, dma_addr_t iova, + size_t size) +{ + dma_addr_t iova_end = iova + size; + /* + * TODO(djkurtz): Figure out when it is more efficient to shootdown the + * entire iotlb rather than iterate over individual iovas. + */ + for (; iova < iova_end; iova += SPAGE_SIZE) + rk_iommu_write(iommu, RK_MMU_ZAP_ONE_LINE, iova); +} + +static bool rk_iommu_is_stall_active(struct rk_iommu *iommu) +{ + return rk_iommu_read(iommu, RK_MMU_STATUS) & RK_MMU_STATUS_STALL_ACTIVE; +} + +static bool rk_iommu_is_paging_enabled(struct rk_iommu *iommu) +{ + return rk_iommu_read(iommu, RK_MMU_STATUS) & + RK_MMU_STATUS_PAGING_ENABLED; +} + +static int rk_iommu_enable_stall(struct rk_iommu *iommu) +{ + int ret; + + if (rk_iommu_is_stall_active(iommu)) + return 0; + + /* Stall can only be enabled if paging is enabled */ + if (!rk_iommu_is_paging_enabled(iommu)) + return 0; + + rk_iommu_command(iommu, RK_MMU_CMD_ENABLE_STALL); + + ret = rk_wait_for(rk_iommu_is_stall_active(iommu), 1); + if (ret) + dev_err(iommu->dev, "Enable stall request timed out, status: %#08x\n", + rk_iommu_read(iommu, RK_MMU_STATUS)); + + return ret; +} + +static int rk_iommu_disable_stall(struct rk_iommu *iommu) +{ + int ret; + + if (!rk_iommu_is_stall_active(iommu)) + return 0; + + rk_iommu_command(iommu, RK_MMU_CMD_DISABLE_STALL); + + ret = rk_wait_for(!rk_iommu_is_stall_active(iommu), 1); + if (ret) + dev_err(iommu->dev, "Disable stall request timed out, status: %#08x\n", + rk_iommu_read(iommu, RK_MMU_STATUS)); + + return ret; +} + +static int rk_iommu_enable_paging(struct rk_iommu *iommu) +{ + int ret; + + if (rk_iommu_is_paging_enabled(iommu)) + return 0; + + rk_iommu_command(iommu, RK_MMU_CMD_ENABLE_PAGING); + + ret = rk_wait_for(rk_iommu_is_paging_enabled(iommu), 1); + if (ret) + dev_err(iommu->dev, "Enable paging request timed out, status: %#08x\n", + rk_iommu_read(iommu, RK_MMU_STATUS)); + + return ret; +} + +static int rk_iommu_disable_paging(struct rk_iommu *iommu) +{ + int ret; + + if (!rk_iommu_is_paging_enabled(iommu)) + return 0; + + rk_iommu_command(iommu, RK_MMU_CMD_DISABLE_PAGING); + + ret = rk_wait_for(!rk_iommu_is_paging_enabled(iommu), 1); + if (ret) + dev_err(iommu->dev, "Disable paging request timed out, status: %#08x\n", + rk_iommu_read(iommu, RK_MMU_STATUS)); + + return ret; +} + +static int rk_iommu_force_reset(struct rk_iommu *iommu) +{ + int ret; + u32 dte_addr; + + /* + * Check if register DTE_ADDR is working by writing DTE_ADDR_DUMMY + * and verifying that upper 5 nybbles are read back. + */ + rk_iommu_write(iommu, RK_MMU_DTE_ADDR, DTE_ADDR_DUMMY); + + dte_addr = rk_iommu_read(iommu, RK_MMU_DTE_ADDR); + if (dte_addr != (DTE_ADDR_DUMMY & RK_DTE_PT_ADDRESS_MASK)) { + dev_err(iommu->dev, "Error during raw reset. MMU_DTE_ADDR is not functioning\n"); + return -EFAULT; + } + + rk_iommu_command(iommu, RK_MMU_CMD_FORCE_RESET); + + ret = rk_wait_for(rk_iommu_read(iommu, RK_MMU_DTE_ADDR) == 0x00000000, + FORCE_RESET_TIMEOUT); + if (ret) + dev_err(iommu->dev, "FORCE_RESET command timed out\n"); + + return ret; +} + +static void log_iova(struct rk_iommu *iommu, dma_addr_t iova) +{ + u32 dte_index, pte_index, page_offset; + u32 mmu_dte_addr; + phys_addr_t mmu_dte_addr_phys, dte_addr_phys; + u32 *dte_addr; + u32 dte; + phys_addr_t pte_addr_phys = 0; + u32 *pte_addr = NULL; + u32 pte = 0; + phys_addr_t page_addr_phys = 0; + u32 page_flags = 0; + + dte_index = rk_iova_dte_index(iova); + pte_index = rk_iova_pte_index(iova); + page_offset = rk_iova_page_offset(iova); + + mmu_dte_addr = rk_iommu_read(iommu, RK_MMU_DTE_ADDR); + mmu_dte_addr_phys = (phys_addr_t)mmu_dte_addr; + + dte_addr_phys = mmu_dte_addr_phys + (4 * dte_index); + dte_addr = phys_to_virt(dte_addr_phys); + dte = *dte_addr; + + if (!rk_dte_is_pt_valid(dte)) + goto print_it; + + pte_addr_phys = rk_dte_pt_address(dte) + (pte_index * 4); + pte_addr = phys_to_virt(pte_addr_phys); + pte = *pte_addr; + + if (!rk_pte_is_page_valid(pte)) + goto print_it; + + page_addr_phys = rk_pte_page_address(pte) + page_offset; + page_flags = pte & RK_PTE_PAGE_FLAGS_MASK; + +print_it: + dev_err(iommu->dev, "iova = %pad: dte_index: %#03x pte_index: %#03x page_offset: %#03x\n", + &iova, dte_index, pte_index, page_offset); + dev_err(iommu->dev, "mmu_dte_addr: %pa dte@%pa: %#08x valid: %u pte@%pa: %#08x valid: %u page@%pa flags: %#03x\n", + &mmu_dte_addr_phys, &dte_addr_phys, dte, + rk_dte_is_pt_valid(dte), &pte_addr_phys, pte, + rk_pte_is_page_valid(pte), &page_addr_phys, page_flags); +} + +static irqreturn_t rk_iommu_irq(int irq, void *dev_id) +{ + struct rk_iommu *iommu = dev_id; + u32 status; + u32 int_status; + dma_addr_t iova; + + int_status = rk_iommu_read(iommu, RK_MMU_INT_STATUS); + if (int_status == 0) + return IRQ_NONE; + + iova = rk_iommu_read(iommu, RK_MMU_PAGE_FAULT_ADDR); + + if (int_status & RK_MMU_IRQ_PAGE_FAULT) { + int flags; + + status = rk_iommu_read(iommu, RK_MMU_STATUS); + flags = (status & RK_MMU_STATUS_PAGE_FAULT_IS_WRITE) ? + IOMMU_FAULT_WRITE : IOMMU_FAULT_READ; + + dev_err(iommu->dev, "Page fault at %pad of type %s\n", + &iova, + (flags == IOMMU_FAULT_WRITE) ? "write" : "read"); + + log_iova(iommu, iova); + + /* + * Report page fault to any installed handlers. + * Ignore the return code, though, since we always zap cache + * and clear the page fault anyway. + */ + if (iommu->domain) + report_iommu_fault(iommu->domain, iommu->dev, iova, + flags); + else + dev_err(iommu->dev, "Page fault while iommu not attached to domain?\n"); + + rk_iommu_command(iommu, RK_MMU_CMD_ZAP_CACHE); + rk_iommu_command(iommu, RK_MMU_CMD_PAGE_FAULT_DONE); + } + + if (int_status & RK_MMU_IRQ_BUS_ERROR) + dev_err(iommu->dev, "BUS_ERROR occurred at %pad\n", &iova); + + if (int_status & ~RK_MMU_IRQ_MASK) + dev_err(iommu->dev, "unexpected int_status: %#08x\n", + int_status); + + rk_iommu_write(iommu, RK_MMU_INT_CLEAR, int_status); + + return IRQ_HANDLED; +} + +static phys_addr_t rk_iommu_iova_to_phys(struct iommu_domain *domain, + dma_addr_t iova) +{ + struct rk_iommu_domain *rk_domain = domain->priv; + unsigned long flags; + phys_addr_t pt_phys, phys = 0; + u32 dte, pte; + u32 *page_table; + + spin_lock_irqsave(&rk_domain->dt_lock, flags); + + dte = rk_domain->dt[rk_iova_dte_index(iova)]; + if (!rk_dte_is_pt_valid(dte)) + goto out; + + pt_phys = rk_dte_pt_address(dte); + page_table = (u32 *)phys_to_virt(pt_phys); + pte = page_table[rk_iova_pte_index(iova)]; + if (!rk_pte_is_page_valid(pte)) + goto out; + + phys = rk_pte_page_address(pte) + rk_iova_page_offset(iova); +out: + spin_unlock_irqrestore(&rk_domain->dt_lock, flags); + + return phys; +} + +static void rk_iommu_zap_iova(struct rk_iommu_domain *rk_domain, + dma_addr_t iova, size_t size) +{ + struct list_head *pos; + unsigned long flags; + + /* shootdown these iova from all iommus using this domain */ + spin_lock_irqsave(&rk_domain->iommus_lock, flags); + list_for_each(pos, &rk_domain->iommus) { + struct rk_iommu *iommu; + iommu = list_entry(pos, struct rk_iommu, node); + rk_iommu_zap_lines(iommu, iova, size); + } + spin_unlock_irqrestore(&rk_domain->iommus_lock, flags); +} + +static u32 *rk_dte_get_page_table(struct rk_iommu_domain *rk_domain, + dma_addr_t iova) +{ + u32 *page_table, *dte_addr; + u32 dte; + phys_addr_t pt_phys; + + assert_spin_locked(&rk_domain->dt_lock); + + dte_addr = &rk_domain->dt[rk_iova_dte_index(iova)]; + dte = *dte_addr; + if (rk_dte_is_pt_valid(dte)) + goto done; + + page_table = (u32 *)get_zeroed_page(GFP_ATOMIC | GFP_DMA32); + if (!page_table) + return ERR_PTR(-ENOMEM); + + dte = rk_mk_dte(page_table); + *dte_addr = dte; + + rk_table_flush(page_table, NUM_PT_ENTRIES); + rk_table_flush(dte_addr, 1); + + /* + * Zap the first iova of newly allocated page table so iommu evicts + * old cached value of new dte from the iotlb. + */ + rk_iommu_zap_iova(rk_domain, iova, SPAGE_SIZE); + +done: + pt_phys = rk_dte_pt_address(dte); + return (u32 *)phys_to_virt(pt_phys); +} + +static size_t rk_iommu_unmap_iova(struct rk_iommu_domain *rk_domain, + u32 *pte_addr, dma_addr_t iova, size_t size) +{ + unsigned int pte_count; + unsigned int pte_total = size / SPAGE_SIZE; + + assert_spin_locked(&rk_domain->dt_lock); + + for (pte_count = 0; pte_count < pte_total; pte_count++) { + u32 pte = pte_addr[pte_count]; + if (!rk_pte_is_page_valid(pte)) + break; + + pte_addr[pte_count] = rk_mk_pte_invalid(pte); + } + + rk_table_flush(pte_addr, pte_count); + + return pte_count * SPAGE_SIZE; +} + +static int rk_iommu_map_iova(struct rk_iommu_domain *rk_domain, u32 *pte_addr, + dma_addr_t iova, phys_addr_t paddr, size_t size, + int prot) +{ + unsigned int pte_count; + unsigned int pte_total = size / SPAGE_SIZE; + phys_addr_t page_phys; + + assert_spin_locked(&rk_domain->dt_lock); + + for (pte_count = 0; pte_count < pte_total; pte_count++) { + u32 pte = pte_addr[pte_count]; + + if (rk_pte_is_page_valid(pte)) + goto unwind; + + pte_addr[pte_count] = rk_mk_pte(paddr, prot); + + paddr += SPAGE_SIZE; + } + + rk_table_flush(pte_addr, pte_count); + + return 0; +unwind: + /* Unmap the range of iovas that we just mapped */ + rk_iommu_unmap_iova(rk_domain, pte_addr, iova, pte_count * SPAGE_SIZE); + + iova += pte_count * SPAGE_SIZE; + page_phys = rk_pte_page_address(pte_addr[pte_count]); + pr_err("iova: %pad already mapped to %pa cannot remap to phys: %pa prot: %#x\n", + &iova, &page_phys, &paddr, prot); + + return -EADDRINUSE; +} + +static int rk_iommu_map(struct iommu_domain *domain, unsigned long _iova, + phys_addr_t paddr, size_t size, int prot) +{ + struct rk_iommu_domain *rk_domain = domain->priv; + unsigned long flags; + dma_addr_t iova = (dma_addr_t)_iova; + u32 *page_table, *pte_addr; + int ret; + + spin_lock_irqsave(&rk_domain->dt_lock, flags); + + /* + * pgsize_bitmap specifies iova sizes that fit in one page table + * (1024 4-KiB pages = 4 MiB). + * So, size will always be 4096 <= size <= 4194304. + * Since iommu_map() guarantees that both iova and size will be + * aligned, we will always only be mapping from a single dte here. + */ + page_table = rk_dte_get_page_table(rk_domain, iova); + if (IS_ERR(page_table)) { + spin_unlock_irqrestore(&rk_domain->dt_lock, flags); + return PTR_ERR(page_table); + } + + pte_addr = &page_table[rk_iova_pte_index(iova)]; + ret = rk_iommu_map_iova(rk_domain, pte_addr, iova, paddr, size, prot); + spin_unlock_irqrestore(&rk_domain->dt_lock, flags); + + return ret; +} + +static size_t rk_iommu_unmap(struct iommu_domain *domain, unsigned long _iova, + size_t size) +{ + struct rk_iommu_domain *rk_domain = domain->priv; + unsigned long flags; + dma_addr_t iova = (dma_addr_t)_iova; + phys_addr_t pt_phys; + u32 dte; + u32 *pte_addr; + size_t unmap_size; + + spin_lock_irqsave(&rk_domain->dt_lock, flags); + + /* + * pgsize_bitmap specifies iova sizes that fit in one page table + * (1024 4-KiB pages = 4 MiB). + * So, size will always be 4096 <= size <= 4194304. + * Since iommu_unmap() guarantees that both iova and size will be + * aligned, we will always only be unmapping from a single dte here. + */ + dte = rk_domain->dt[rk_iova_dte_index(iova)]; + /* Just return 0 if iova is unmapped */ + if (!rk_dte_is_pt_valid(dte)) { + spin_unlock_irqrestore(&rk_domain->dt_lock, flags); + return 0; + } + + pt_phys = rk_dte_pt_address(dte); + pte_addr = (u32 *)phys_to_virt(pt_phys) + rk_iova_pte_index(iova); + unmap_size = rk_iommu_unmap_iova(rk_domain, pte_addr, iova, size); + + spin_unlock_irqrestore(&rk_domain->dt_lock, flags); + + /* Shootdown iotlb entries for iova range that was just unmapped */ + rk_iommu_zap_iova(rk_domain, iova, unmap_size); + + return unmap_size; +} + +static struct rk_iommu *rk_iommu_from_dev(struct device *dev) +{ + struct iommu_group *group; + struct device *iommu_dev; + struct rk_iommu *rk_iommu; + + group = iommu_group_get(dev); + if (!group) + return NULL; + iommu_dev = iommu_group_get_iommudata(group); + rk_iommu = dev_get_drvdata(iommu_dev); + iommu_group_put(group); + + return rk_iommu; +} + +static int rk_iommu_attach_device(struct iommu_domain *domain, + struct device *dev) +{ + struct rk_iommu *iommu; + struct rk_iommu_domain *rk_domain = domain->priv; + unsigned long flags; + int ret; + phys_addr_t dte_addr; + + /* + * Allow 'virtual devices' (e.g., drm) to attach to domain. + * Such a device does not belong to an iommu group. + */ + iommu = rk_iommu_from_dev(dev); + if (!iommu) + return 0; + + ret = rk_iommu_enable_stall(iommu); + if (ret) + return ret; + + ret = rk_iommu_force_reset(iommu); + if (ret) + return ret; + + iommu->domain = domain; + + ret = devm_request_irq(dev, iommu->irq, rk_iommu_irq, + IRQF_SHARED, dev_name(dev), iommu); + if (ret) + return ret; + + dte_addr = virt_to_phys(rk_domain->dt); + rk_iommu_write(iommu, RK_MMU_DTE_ADDR, dte_addr); + rk_iommu_command(iommu, RK_MMU_CMD_ZAP_CACHE); + rk_iommu_write(iommu, RK_MMU_INT_MASK, RK_MMU_IRQ_MASK); + + ret = rk_iommu_enable_paging(iommu); + if (ret) + return ret; + + spin_lock_irqsave(&rk_domain->iommus_lock, flags); + list_add_tail(&iommu->node, &rk_domain->iommus); + spin_unlock_irqrestore(&rk_domain->iommus_lock, flags); + + dev_info(dev, "Attached to iommu domain\n"); + + rk_iommu_disable_stall(iommu); + + return 0; +} + +static void rk_iommu_detach_device(struct iommu_domain *domain, + struct device *dev) +{ + struct rk_iommu *iommu; + struct rk_iommu_domain *rk_domain = domain->priv; + unsigned long flags; + + /* Allow 'virtual devices' (eg drm) to detach from domain */ + iommu = rk_iommu_from_dev(dev); + if (!iommu) + return; + + spin_lock_irqsave(&rk_domain->iommus_lock, flags); + list_del_init(&iommu->node); + spin_unlock_irqrestore(&rk_domain->iommus_lock, flags); + + /* Ignore error while disabling, just keep going */ + rk_iommu_enable_stall(iommu); + rk_iommu_disable_paging(iommu); + rk_iommu_write(iommu, RK_MMU_INT_MASK, 0); + rk_iommu_write(iommu, RK_MMU_DTE_ADDR, 0); + rk_iommu_disable_stall(iommu); + + devm_free_irq(dev, iommu->irq, iommu); + + iommu->domain = NULL; + + dev_info(dev, "Detached from iommu domain\n"); +} + +static int rk_iommu_domain_init(struct iommu_domain *domain) +{ + struct rk_iommu_domain *rk_domain; + + rk_domain = kzalloc(sizeof(*rk_domain), GFP_KERNEL); + if (!rk_domain) + return -ENOMEM; + + /* + * rk32xx iommus use a 2 level pagetable. + * Each level1 (dt) and level2 (pt) table has 1024 4-byte entries. + * Allocate one 4 KiB page for each table. + */ + rk_domain->dt = (u32 *)get_zeroed_page(GFP_KERNEL | GFP_DMA32); + if (!rk_domain->dt) + goto err_dt; + + rk_table_flush(rk_domain->dt, NUM_DT_ENTRIES); + + spin_lock_init(&rk_domain->iommus_lock); + spin_lock_init(&rk_domain->dt_lock); + INIT_LIST_HEAD(&rk_domain->iommus); + + domain->priv = rk_domain; + + return 0; +err_dt: + kfree(rk_domain); + return -ENOMEM; +} + +static void rk_iommu_domain_destroy(struct iommu_domain *domain) +{ + struct rk_iommu_domain *rk_domain = domain->priv; + int i; + + WARN_ON(!list_empty(&rk_domain->iommus)); + + for (i = 0; i < NUM_DT_ENTRIES; i++) { + u32 dte = rk_domain->dt[i]; + if (rk_dte_is_pt_valid(dte)) { + phys_addr_t pt_phys = rk_dte_pt_address(dte); + u32 *page_table = phys_to_virt(pt_phys); + free_page((unsigned long)page_table); + } + } + + free_page((unsigned long)rk_domain->dt); + kfree(domain->priv); + domain->priv = NULL; +} + +static bool rk_iommu_is_dev_iommu_master(struct device *dev) +{ + struct device_node *np = dev->of_node; + int ret; + + /* + * An iommu master has an iommus property containing a list of phandles + * to iommu nodes, each with an #iommu-cells property with value 0. + */ + ret = of_count_phandle_with_args(np, "iommus", "#iommu-cells"); + return (ret > 0); +} + +static int rk_iommu_group_set_iommudata(struct iommu_group *group, + struct device *dev) +{ + struct device_node *np = dev->of_node; + struct platform_device *pd; + int ret; + struct of_phandle_args args; + + /* + * An iommu master has an iommus property containing a list of phandles + * to iommu nodes, each with an #iommu-cells property with value 0. + */ + ret = of_parse_phandle_with_args(np, "iommus", "#iommu-cells", 0, + &args); + if (ret) { + dev_err(dev, "of_parse_phandle_with_args(%s) => %d\n", + np->full_name, ret); + return ret; + } + if (args.args_count != 0) { + dev_err(dev, "incorrect number of iommu params found for %s (found %d, expected 0)\n", + args.np->full_name, args.args_count); + return -EINVAL; + } + + pd = of_find_device_by_node(args.np); + of_node_put(args.np); + if (!pd) { + dev_err(dev, "iommu %s not found\n", args.np->full_name); + return -EPROBE_DEFER; + } + + /* TODO(djkurtz): handle multiple slave iommus for a single master */ + iommu_group_set_iommudata(group, &pd->dev, NULL); + + return 0; +} + +static int rk_iommu_add_device(struct device *dev) +{ + struct iommu_group *group; + int ret; + + if (!rk_iommu_is_dev_iommu_master(dev)) + return -ENODEV; + + group = iommu_group_get(dev); + if (!group) { + group = iommu_group_alloc(); + if (IS_ERR(group)) { + dev_err(dev, "Failed to allocate IOMMU group\n"); + return PTR_ERR(group); + } + } + + ret = iommu_group_add_device(group, dev); + if (ret) + goto err_put_group; + + ret = rk_iommu_group_set_iommudata(group, dev); + if (ret) + goto err_remove_device; + + iommu_group_put(group); + + return 0; + +err_remove_device: + iommu_group_remove_device(dev); +err_put_group: + iommu_group_put(group); + return ret; +} + +static void rk_iommu_remove_device(struct device *dev) +{ + if (!rk_iommu_is_dev_iommu_master(dev)) + return; + + iommu_group_remove_device(dev); +} + +static const struct iommu_ops rk_iommu_ops = { + .domain_init = rk_iommu_domain_init, + .domain_destroy = rk_iommu_domain_destroy, + .attach_dev = rk_iommu_attach_device, + .detach_dev = rk_iommu_detach_device, + .map = rk_iommu_map, + .unmap = rk_iommu_unmap, + .add_device = rk_iommu_add_device, + .remove_device = rk_iommu_remove_device, + .iova_to_phys = rk_iommu_iova_to_phys, + .pgsize_bitmap = RK_IOMMU_PGSIZE_BITMAP, +}; + +static int rk_iommu_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct rk_iommu *iommu; + struct resource *res; + + iommu = devm_kzalloc(dev, sizeof(*iommu), GFP_KERNEL); + if (!iommu) + return -ENOMEM; + + platform_set_drvdata(pdev, iommu); + iommu->dev = dev; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + iommu->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(iommu->base)) + return PTR_ERR(iommu->base); + + iommu->irq = platform_get_irq(pdev, 0); + if (iommu->irq < 0) { + dev_err(dev, "Failed to get IRQ, %d\n", iommu->irq); + return -ENXIO; + } + + return 0; +} + +static int rk_iommu_remove(struct platform_device *pdev) +{ + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id rk_iommu_dt_ids[] = { + { .compatible = "rockchip,iommu" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, rk_iommu_dt_ids); +#endif + +static struct platform_driver rk_iommu_driver = { + .probe = rk_iommu_probe, + .remove = rk_iommu_remove, + .driver = { + .name = "rk_iommu", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(rk_iommu_dt_ids), + }, +}; + +static int __init rk_iommu_init(void) +{ + int ret; + + ret = bus_set_iommu(&platform_bus_type, &rk_iommu_ops); + if (ret) + return ret; + + return platform_driver_register(&rk_iommu_driver); +} +static void __exit rk_iommu_exit(void) +{ + platform_driver_unregister(&rk_iommu_driver); +} + +subsys_initcall(rk_iommu_init); +module_exit(rk_iommu_exit); + +MODULE_DESCRIPTION("IOMMU API for Rockchip"); +MODULE_AUTHOR("Simon Xue and Daniel Kurtz "); +MODULE_ALIAS("platform:rockchip-iommu"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iommu/shmobile-iommu.c b/drivers/iommu/shmobile-iommu.c index 1333e6fb3405..f1b00774e4de 100644 --- a/drivers/iommu/shmobile-iommu.c +++ b/drivers/iommu/shmobile-iommu.c @@ -361,6 +361,7 @@ static const struct iommu_ops shmobile_iommu_ops = { .detach_dev = shmobile_iommu_detach_device, .map = shmobile_iommu_map, .unmap = shmobile_iommu_unmap, + .map_sg = default_iommu_map_sg, .iova_to_phys = shmobile_iommu_iova_to_phys, .add_device = shmobile_iommu_add_device, .pgsize_bitmap = SZ_1M | SZ_64K | SZ_4K, diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 3afdf43f732a..73e845a66925 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -955,6 +955,7 @@ static const struct iommu_ops smmu_iommu_ops = { .detach_dev = smmu_iommu_detach_dev, .map = smmu_iommu_map, .unmap = smmu_iommu_unmap, + .map_sg = default_iommu_map_sg, .iova_to_phys = smmu_iommu_iova_to_phys, .pgsize_bitmap = SMMU_IOMMU_PGSIZES, }; diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 3e238cd049e6..6a2e168c3ab0 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -43,6 +43,7 @@ #define ARMADA_370_XP_INT_CLEAR_ENABLE_OFFS (0x34) #define ARMADA_370_XP_INT_SOURCE_CTL(irq) (0x100 + irq*4) #define ARMADA_370_XP_INT_SOURCE_CPU_MASK 0xF +#define ARMADA_370_XP_INT_IRQ_FIQ_MASK(cpuid) ((BIT(0) | BIT(8)) << cpuid) #define ARMADA_370_XP_CPU_INTACK_OFFS (0x44) #define ARMADA_375_PPI_CAUSE (0x10) @@ -406,19 +407,29 @@ static void armada_370_xp_mpic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) { struct irq_chip *chip = irq_get_chip(irq); - unsigned long irqmap, irqn; + unsigned long irqmap, irqn, irqsrc, cpuid; unsigned int cascade_irq; chained_irq_enter(chip, desc); irqmap = readl_relaxed(per_cpu_int_base + ARMADA_375_PPI_CAUSE); - - if (irqmap & BIT(0)) { - armada_370_xp_handle_msi_irq(NULL, true); - irqmap &= ~BIT(0); - } + cpuid = cpu_logical_map(smp_processor_id()); for_each_set_bit(irqn, &irqmap, BITS_PER_LONG) { + irqsrc = readl_relaxed(main_int_base + + ARMADA_370_XP_INT_SOURCE_CTL(irqn)); + + /* Check if the interrupt is not masked on current CPU. + * Test IRQ (0-1) and FIQ (8-9) mask bits. + */ + if (!(irqsrc & ARMADA_370_XP_INT_IRQ_FIQ_MASK(cpuid))) + continue; + + if (irqn == 1) { + armada_370_xp_handle_msi_irq(NULL, true); + continue; + } + cascade_irq = irq_find_mapping(armada_370_xp_mpic_domain, irqn); generic_handle_irq(cascade_irq); } diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index aa29198fca3e..7440c58b8e6f 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -9,26 +9,21 @@ * published by the Free Software Foundation. */ -#include -#include -#include -#include -#include -#include -#include -#include #include +#include +#include +#include +#include #include +#include +#include +#include +#include +#include #include "leds.h" static struct class *leds_class; -static void led_update_brightness(struct led_classdev *led_cdev) -{ - if (led_cdev->brightness_get) - led_cdev->brightness = led_cdev->brightness_get(led_cdev); -} - static ssize_t brightness_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -59,14 +54,14 @@ static ssize_t brightness_store(struct device *dev, } static DEVICE_ATTR_RW(brightness); -static ssize_t led_max_brightness_show(struct device *dev, +static ssize_t max_brightness_show(struct device *dev, struct device_attribute *attr, char *buf) { struct led_classdev *led_cdev = dev_get_drvdata(dev); return sprintf(buf, "%u\n", led_cdev->max_brightness); } -static DEVICE_ATTR(max_brightness, 0444, led_max_brightness_show, NULL); +static DEVICE_ATTR_RO(max_brightness); #ifdef CONFIG_LEDS_TRIGGERS static DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store); diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index 71b40d3bf776..aaa8eba9099f 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -12,10 +12,11 @@ */ #include +#include #include #include +#include #include -#include #include "leds.h" DECLARE_RWSEM(leds_list_lock); @@ -126,3 +127,19 @@ void led_set_brightness(struct led_classdev *led_cdev, __led_set_brightness(led_cdev, brightness); } EXPORT_SYMBOL(led_set_brightness); + +int led_update_brightness(struct led_classdev *led_cdev) +{ + int ret = 0; + + if (led_cdev->brightness_get) { + ret = led_cdev->brightness_get(led_cdev); + if (ret >= 0) { + led_cdev->brightness = ret; + return 0; + } + } + + return ret; +} +EXPORT_SYMBOL(led_update_brightness); diff --git a/drivers/leds/leds-gpio-register.c b/drivers/leds/leds-gpio-register.c index 1c4ed5510f35..75717ba68ae0 100644 --- a/drivers/leds/leds-gpio-register.c +++ b/drivers/leds/leds-gpio-register.c @@ -7,9 +7,9 @@ * Free Software Foundation. */ #include +#include #include #include -#include /** * gpio_led_register_device - register a gpio-led device @@ -28,6 +28,9 @@ struct platform_device *__init gpio_led_register_device( struct platform_device *ret; struct gpio_led_platform_data _pdata = *pdata; + if (!pdata->num_leds) + return ERR_PTR(-EINVAL); + _pdata.leds = kmemdup(pdata->leds, pdata->num_leds * sizeof(*pdata->leds), GFP_KERNEL); if (!_pdata.leds) diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index 57ff20fecf57..b4518c8751c8 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -10,17 +10,17 @@ * published by the Free Software Foundation. * */ -#include -#include +#include #include +#include #include +#include #include -#include #include +#include +#include #include #include -#include -#include struct gpio_led_data { struct led_classdev cdev; @@ -36,7 +36,7 @@ struct gpio_led_data { static void gpio_led_work(struct work_struct *work) { - struct gpio_led_data *led_dat = + struct gpio_led_data *led_dat = container_of(work, struct gpio_led_data, work); if (led_dat->blinking) { @@ -235,14 +235,12 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev) } #endif /* CONFIG_OF_GPIO */ - static int gpio_led_probe(struct platform_device *pdev) { struct gpio_led_platform_data *pdata = dev_get_platdata(&pdev->dev); struct gpio_leds_priv *priv; int i, ret = 0; - if (pdata && pdata->num_leds) { priv = devm_kzalloc(&pdev->dev, sizeof_gpio_leds_priv(pdata->num_leds), diff --git a/drivers/leds/leds-lp3944.c b/drivers/leds/leds-lp3944.c index 8e1abdcd4c9d..53144fb96167 100644 --- a/drivers/leds/leds-lp3944.c +++ b/drivers/leds/leds-lp3944.c @@ -335,7 +335,8 @@ static int lp3944_configure(struct i2c_client *client, } /* to expose the default value to userspace */ - led->ldev.brightness = led->status; + led->ldev.brightness = + (enum led_brightness) led->status; /* Set the default led status */ err = lp3944_led_set(led, led->status); diff --git a/drivers/leds/trigger/ledtrig-gpio.c b/drivers/leds/trigger/ledtrig-gpio.c index 35812e3a37f2..c86c41826476 100644 --- a/drivers/leds/trigger/ledtrig-gpio.c +++ b/drivers/leds/trigger/ledtrig-gpio.c @@ -48,7 +48,7 @@ static void gpio_trig_work(struct work_struct *work) if (!gpio_data->gpio) return; - tmp = gpio_get_value(gpio_data->gpio); + tmp = gpio_get_value_cansleep(gpio_data->gpio); if (gpio_data->inverted) tmp = !tmp; diff --git a/drivers/mailbox/Makefile b/drivers/mailbox/Makefile index 6d184dbcaca8..94ed7cefb14d 100644 --- a/drivers/mailbox/Makefile +++ b/drivers/mailbox/Makefile @@ -1,3 +1,7 @@ +# Generic MAILBOX API + +obj-$(CONFIG_MAILBOX) += mailbox.o + obj-$(CONFIG_PL320_MBOX) += pl320-ipc.o obj-$(CONFIG_OMAP2PLUS_MBOX) += omap-mailbox.o diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c new file mode 100644 index 000000000000..afcb430508ec --- /dev/null +++ b/drivers/mailbox/mailbox.c @@ -0,0 +1,465 @@ +/* + * Mailbox: Common code for Mailbox controllers and users + * + * Copyright (C) 2013-2014 Linaro Ltd. + * Author: Jassi Brar + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TXDONE_BY_IRQ BIT(0) /* controller has remote RTR irq */ +#define TXDONE_BY_POLL BIT(1) /* controller can read status of last TX */ +#define TXDONE_BY_ACK BIT(2) /* S/W ACK recevied by Client ticks the TX */ + +static LIST_HEAD(mbox_cons); +static DEFINE_MUTEX(con_mutex); + +static int add_to_rbuf(struct mbox_chan *chan, void *mssg) +{ + int idx; + unsigned long flags; + + spin_lock_irqsave(&chan->lock, flags); + + /* See if there is any space left */ + if (chan->msg_count == MBOX_TX_QUEUE_LEN) { + spin_unlock_irqrestore(&chan->lock, flags); + return -ENOBUFS; + } + + idx = chan->msg_free; + chan->msg_data[idx] = mssg; + chan->msg_count++; + + if (idx == MBOX_TX_QUEUE_LEN - 1) + chan->msg_free = 0; + else + chan->msg_free++; + + spin_unlock_irqrestore(&chan->lock, flags); + + return idx; +} + +static void msg_submit(struct mbox_chan *chan) +{ + unsigned count, idx; + unsigned long flags; + void *data; + int err; + + spin_lock_irqsave(&chan->lock, flags); + + if (!chan->msg_count || chan->active_req) + goto exit; + + count = chan->msg_count; + idx = chan->msg_free; + if (idx >= count) + idx -= count; + else + idx += MBOX_TX_QUEUE_LEN - count; + + data = chan->msg_data[idx]; + + /* Try to submit a message to the MBOX controller */ + err = chan->mbox->ops->send_data(chan, data); + if (!err) { + chan->active_req = data; + chan->msg_count--; + } +exit: + spin_unlock_irqrestore(&chan->lock, flags); +} + +static void tx_tick(struct mbox_chan *chan, int r) +{ + unsigned long flags; + void *mssg; + + spin_lock_irqsave(&chan->lock, flags); + mssg = chan->active_req; + chan->active_req = NULL; + spin_unlock_irqrestore(&chan->lock, flags); + + /* Submit next message */ + msg_submit(chan); + + /* Notify the client */ + if (mssg && chan->cl->tx_done) + chan->cl->tx_done(chan->cl, mssg, r); + + if (chan->cl->tx_block) + complete(&chan->tx_complete); +} + +static void poll_txdone(unsigned long data) +{ + struct mbox_controller *mbox = (struct mbox_controller *)data; + bool txdone, resched = false; + int i; + + for (i = 0; i < mbox->num_chans; i++) { + struct mbox_chan *chan = &mbox->chans[i]; + + if (chan->active_req && chan->cl) { + resched = true; + txdone = chan->mbox->ops->last_tx_done(chan); + if (txdone) + tx_tick(chan, 0); + } + } + + if (resched) + mod_timer(&mbox->poll, jiffies + + msecs_to_jiffies(mbox->txpoll_period)); +} + +/** + * mbox_chan_received_data - A way for controller driver to push data + * received from remote to the upper layer. + * @chan: Pointer to the mailbox channel on which RX happened. + * @mssg: Client specific message typecasted as void * + * + * After startup and before shutdown any data received on the chan + * is passed on to the API via atomic mbox_chan_received_data(). + * The controller should ACK the RX only after this call returns. + */ +void mbox_chan_received_data(struct mbox_chan *chan, void *mssg) +{ + /* No buffering the received data */ + if (chan->cl->rx_callback) + chan->cl->rx_callback(chan->cl, mssg); +} +EXPORT_SYMBOL_GPL(mbox_chan_received_data); + +/** + * mbox_chan_txdone - A way for controller driver to notify the + * framework that the last TX has completed. + * @chan: Pointer to the mailbox chan on which TX happened. + * @r: Status of last TX - OK or ERROR + * + * The controller that has IRQ for TX ACK calls this atomic API + * to tick the TX state machine. It works only if txdone_irq + * is set by the controller. + */ +void mbox_chan_txdone(struct mbox_chan *chan, int r) +{ + if (unlikely(!(chan->txdone_method & TXDONE_BY_IRQ))) { + dev_err(chan->mbox->dev, + "Controller can't run the TX ticker\n"); + return; + } + + tx_tick(chan, r); +} +EXPORT_SYMBOL_GPL(mbox_chan_txdone); + +/** + * mbox_client_txdone - The way for a client to run the TX state machine. + * @chan: Mailbox channel assigned to this client. + * @r: Success status of last transmission. + * + * The client/protocol had received some 'ACK' packet and it notifies + * the API that the last packet was sent successfully. This only works + * if the controller can't sense TX-Done. + */ +void mbox_client_txdone(struct mbox_chan *chan, int r) +{ + if (unlikely(!(chan->txdone_method & TXDONE_BY_ACK))) { + dev_err(chan->mbox->dev, "Client can't run the TX ticker\n"); + return; + } + + tx_tick(chan, r); +} +EXPORT_SYMBOL_GPL(mbox_client_txdone); + +/** + * mbox_client_peek_data - A way for client driver to pull data + * received from remote by the controller. + * @chan: Mailbox channel assigned to this client. + * + * A poke to controller driver for any received data. + * The data is actually passed onto client via the + * mbox_chan_received_data() + * The call can be made from atomic context, so the controller's + * implementation of peek_data() must not sleep. + * + * Return: True, if controller has, and is going to push after this, + * some data. + * False, if controller doesn't have any data to be read. + */ +bool mbox_client_peek_data(struct mbox_chan *chan) +{ + if (chan->mbox->ops->peek_data) + return chan->mbox->ops->peek_data(chan); + + return false; +} +EXPORT_SYMBOL_GPL(mbox_client_peek_data); + +/** + * mbox_send_message - For client to submit a message to be + * sent to the remote. + * @chan: Mailbox channel assigned to this client. + * @mssg: Client specific message typecasted. + * + * For client to submit data to the controller destined for a remote + * processor. If the client had set 'tx_block', the call will return + * either when the remote receives the data or when 'tx_tout' millisecs + * run out. + * In non-blocking mode, the requests are buffered by the API and a + * non-negative token is returned for each queued request. If the request + * is not queued, a negative token is returned. Upon failure or successful + * TX, the API calls 'tx_done' from atomic context, from which the client + * could submit yet another request. + * The pointer to message should be preserved until it is sent + * over the chan, i.e, tx_done() is made. + * This function could be called from atomic context as it simply + * queues the data and returns a token against the request. + * + * Return: Non-negative integer for successful submission (non-blocking mode) + * or transmission over chan (blocking mode). + * Negative value denotes failure. + */ +int mbox_send_message(struct mbox_chan *chan, void *mssg) +{ + int t; + + if (!chan || !chan->cl) + return -EINVAL; + + t = add_to_rbuf(chan, mssg); + if (t < 0) { + dev_err(chan->mbox->dev, "Try increasing MBOX_TX_QUEUE_LEN\n"); + return t; + } + + msg_submit(chan); + + if (chan->txdone_method == TXDONE_BY_POLL) + poll_txdone((unsigned long)chan->mbox); + + if (chan->cl->tx_block && chan->active_req) { + unsigned long wait; + int ret; + + if (!chan->cl->tx_tout) /* wait forever */ + wait = msecs_to_jiffies(3600000); + else + wait = msecs_to_jiffies(chan->cl->tx_tout); + + ret = wait_for_completion_timeout(&chan->tx_complete, wait); + if (ret == 0) { + t = -EIO; + tx_tick(chan, -EIO); + } + } + + return t; +} +EXPORT_SYMBOL_GPL(mbox_send_message); + +/** + * mbox_request_channel - Request a mailbox channel. + * @cl: Identity of the client requesting the channel. + * @index: Index of mailbox specifier in 'mboxes' property. + * + * The Client specifies its requirements and capabilities while asking for + * a mailbox channel. It can't be called from atomic context. + * The channel is exclusively allocated and can't be used by another + * client before the owner calls mbox_free_channel. + * After assignment, any packet received on this channel will be + * handed over to the client via the 'rx_callback'. + * The framework holds reference to the client, so the mbox_client + * structure shouldn't be modified until the mbox_free_channel returns. + * + * Return: Pointer to the channel assigned to the client if successful. + * ERR_PTR for request failure. + */ +struct mbox_chan *mbox_request_channel(struct mbox_client *cl, int index) +{ + struct device *dev = cl->dev; + struct mbox_controller *mbox; + struct of_phandle_args spec; + struct mbox_chan *chan; + unsigned long flags; + int ret; + + if (!dev || !dev->of_node) { + pr_debug("%s: No owner device node\n", __func__); + return ERR_PTR(-ENODEV); + } + + mutex_lock(&con_mutex); + + if (of_parse_phandle_with_args(dev->of_node, "mboxes", + "#mbox-cells", index, &spec)) { + dev_dbg(dev, "%s: can't parse \"mboxes\" property\n", __func__); + mutex_unlock(&con_mutex); + return ERR_PTR(-ENODEV); + } + + chan = NULL; + list_for_each_entry(mbox, &mbox_cons, node) + if (mbox->dev->of_node == spec.np) { + chan = mbox->of_xlate(mbox, &spec); + break; + } + + of_node_put(spec.np); + + if (!chan || chan->cl || !try_module_get(mbox->dev->driver->owner)) { + dev_dbg(dev, "%s: mailbox not free\n", __func__); + mutex_unlock(&con_mutex); + return ERR_PTR(-EBUSY); + } + + spin_lock_irqsave(&chan->lock, flags); + chan->msg_free = 0; + chan->msg_count = 0; + chan->active_req = NULL; + chan->cl = cl; + init_completion(&chan->tx_complete); + + if (chan->txdone_method == TXDONE_BY_POLL && cl->knows_txdone) + chan->txdone_method |= TXDONE_BY_ACK; + + spin_unlock_irqrestore(&chan->lock, flags); + + ret = chan->mbox->ops->startup(chan); + if (ret) { + dev_err(dev, "Unable to startup the chan (%d)\n", ret); + mbox_free_channel(chan); + chan = ERR_PTR(ret); + } + + mutex_unlock(&con_mutex); + return chan; +} +EXPORT_SYMBOL_GPL(mbox_request_channel); + +/** + * mbox_free_channel - The client relinquishes control of a mailbox + * channel by this call. + * @chan: The mailbox channel to be freed. + */ +void mbox_free_channel(struct mbox_chan *chan) +{ + unsigned long flags; + + if (!chan || !chan->cl) + return; + + chan->mbox->ops->shutdown(chan); + + /* The queued TX requests are simply aborted, no callbacks are made */ + spin_lock_irqsave(&chan->lock, flags); + chan->cl = NULL; + chan->active_req = NULL; + if (chan->txdone_method == (TXDONE_BY_POLL | TXDONE_BY_ACK)) + chan->txdone_method = TXDONE_BY_POLL; + + module_put(chan->mbox->dev->driver->owner); + spin_unlock_irqrestore(&chan->lock, flags); +} +EXPORT_SYMBOL_GPL(mbox_free_channel); + +static struct mbox_chan * +of_mbox_index_xlate(struct mbox_controller *mbox, + const struct of_phandle_args *sp) +{ + int ind = sp->args[0]; + + if (ind >= mbox->num_chans) + return NULL; + + return &mbox->chans[ind]; +} + +/** + * mbox_controller_register - Register the mailbox controller + * @mbox: Pointer to the mailbox controller. + * + * The controller driver registers its communication channels + */ +int mbox_controller_register(struct mbox_controller *mbox) +{ + int i, txdone; + + /* Sanity check */ + if (!mbox || !mbox->dev || !mbox->ops || !mbox->num_chans) + return -EINVAL; + + if (mbox->txdone_irq) + txdone = TXDONE_BY_IRQ; + else if (mbox->txdone_poll) + txdone = TXDONE_BY_POLL; + else /* It has to be ACK then */ + txdone = TXDONE_BY_ACK; + + if (txdone == TXDONE_BY_POLL) { + mbox->poll.function = &poll_txdone; + mbox->poll.data = (unsigned long)mbox; + init_timer(&mbox->poll); + } + + for (i = 0; i < mbox->num_chans; i++) { + struct mbox_chan *chan = &mbox->chans[i]; + + chan->cl = NULL; + chan->mbox = mbox; + chan->txdone_method = txdone; + spin_lock_init(&chan->lock); + } + + if (!mbox->of_xlate) + mbox->of_xlate = of_mbox_index_xlate; + + mutex_lock(&con_mutex); + list_add_tail(&mbox->node, &mbox_cons); + mutex_unlock(&con_mutex); + + return 0; +} +EXPORT_SYMBOL_GPL(mbox_controller_register); + +/** + * mbox_controller_unregister - Unregister the mailbox controller + * @mbox: Pointer to the mailbox controller. + */ +void mbox_controller_unregister(struct mbox_controller *mbox) +{ + int i; + + if (!mbox) + return; + + mutex_lock(&con_mutex); + + list_del(&mbox->node); + + for (i = 0; i < mbox->num_chans; i++) + mbox_free_channel(&mbox->chans[i]); + + if (mbox->txdone_poll) + del_timer_sync(&mbox->poll); + + mutex_unlock(&con_mutex); +} +EXPORT_SYMBOL_GPL(mbox_controller_unregister); diff --git a/drivers/mailbox/pl320-ipc.c b/drivers/mailbox/pl320-ipc.c index d873cbae2fbb..f3755e0aa935 100644 --- a/drivers/mailbox/pl320-ipc.c +++ b/drivers/mailbox/pl320-ipc.c @@ -26,7 +26,7 @@ #include #include -#include +#include #define IPCMxSOURCE(m) ((m) * 0x40) #define IPCMxDSET(m) (((m) * 0x40) + 0x004) diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 825ca1f87639..afe79719ea32 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1434,9 +1434,9 @@ static void drop_buffers(struct dm_bufio_client *c) /* * Test if the buffer is unused and too old, and commit it. - * At if noio is set, we must not do any I/O because we hold - * dm_bufio_clients_lock and we would risk deadlock if the I/O gets rerouted to - * different bufio client. + * And if GFP_NOFS is used, we must not do any I/O because we hold + * dm_bufio_clients_lock and we would risk deadlock if the I/O gets + * rerouted to different bufio client. */ static int __cleanup_old_buffer(struct dm_buffer *b, gfp_t gfp, unsigned long max_jiffies) @@ -1444,7 +1444,7 @@ static int __cleanup_old_buffer(struct dm_buffer *b, gfp_t gfp, if (jiffies - b->last_accessed < max_jiffies) return 0; - if (!(gfp & __GFP_IO)) { + if (!(gfp & __GFP_FS)) { if (test_bit(B_READING, &b->state) || test_bit(B_WRITING, &b->state) || test_bit(B_DIRTY, &b->state)) @@ -1486,7 +1486,7 @@ dm_bufio_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) unsigned long freed; c = container_of(shrink, struct dm_bufio_client, shrinker); - if (sc->gfp_mask & __GFP_IO) + if (sc->gfp_mask & __GFP_FS) dm_bufio_lock(c); else if (!dm_bufio_trylock(c)) return SHRINK_STOP; @@ -1503,7 +1503,7 @@ dm_bufio_shrink_count(struct shrinker *shrink, struct shrink_control *sc) unsigned long count; c = container_of(shrink, struct dm_bufio_client, shrinker); - if (sc->gfp_mask & __GFP_IO) + if (sc->gfp_mask & __GFP_FS) dm_bufio_lock(c); else if (!dm_bufio_trylock(c)) return 0; diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 4857fa4a5484..07c0fa0fa284 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -789,8 +789,7 @@ struct dm_raid_superblock { __le32 layout; __le32 stripe_sectors; - __u8 pad[452]; /* Round struct to 512 bytes. */ - /* Always set to 0 when writing. */ + /* Remainder of a logical block is zero-filled when writing (see super_sync()). */ } __packed; static int read_disk_sb(struct md_rdev *rdev, int size) @@ -827,7 +826,7 @@ static void super_sync(struct mddev *mddev, struct md_rdev *rdev) test_bit(Faulty, &(rs->dev[i].rdev.flags))) failed_devices |= (1ULL << i); - memset(sb, 0, sizeof(*sb)); + memset(sb + 1, 0, rdev->sb_size - sizeof(*sb)); sb->magic = cpu_to_le32(DM_RAID_MAGIC); sb->features = cpu_to_le32(0); /* No features yet */ @@ -862,7 +861,11 @@ static int super_load(struct md_rdev *rdev, struct md_rdev *refdev) uint64_t events_sb, events_refsb; rdev->sb_start = 0; - rdev->sb_size = sizeof(*sb); + rdev->sb_size = bdev_logical_block_size(rdev->meta_bdev); + if (rdev->sb_size < sizeof(*sb) || rdev->sb_size > PAGE_SIZE) { + DMERR("superblock size of a logical block is no longer valid"); + return -EINVAL; + } ret = read_disk_sb(rdev, rdev->sb_size); if (ret) @@ -1169,8 +1172,12 @@ static void configure_discard_support(struct dm_target *ti, struct raid_set *rs) raid456 = (rs->md.level == 4 || rs->md.level == 5 || rs->md.level == 6); for (i = 0; i < rs->md.raid_disks; i++) { - struct request_queue *q = bdev_get_queue(rs->dev[i].rdev.bdev); + struct request_queue *q; + if (!rs->dev[i].rdev.bdev) + continue; + + q = bdev_get_queue(rs->dev[i].rdev.bdev); if (!q || !blk_queue_discard(q)) return; diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index d1600d2aa2e2..f8b37d4c05d8 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -159,8 +159,10 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) sc->stripes_shift = __ffs(stripes); r = dm_set_target_max_io_len(ti, chunk_size); - if (r) + if (r) { + kfree(sc); return r; + } ti->num_flush_bios = stripes; ti->num_discard_bios = stripes; diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 4843801173fe..0f86d802b533 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1936,6 +1936,14 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_SUBMITTED; } + /* + * We must hold the virtual cell before doing the lookup, otherwise + * there's a race with discard. + */ + build_virtual_key(tc->td, block, &key); + if (dm_bio_detain(tc->pool->prison, &key, bio, &cell1, &cell_result)) + return DM_MAPIO_SUBMITTED; + r = dm_thin_find_block(td, block, 0, &result); /* @@ -1959,13 +1967,10 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) * shared flag will be set in their case. */ thin_defer_bio(tc, bio); + cell_defer_no_holder_no_free(tc, &cell1); return DM_MAPIO_SUBMITTED; } - build_virtual_key(tc->td, block, &key); - if (dm_bio_detain(tc->pool->prison, &key, bio, &cell1, &cell_result)) - return DM_MAPIO_SUBMITTED; - build_data_key(tc->td, result.block, &key); if (dm_bio_detain(tc->pool->prison, &key, bio, &cell2, &cell_result)) { cell_defer_no_holder_no_free(tc, &cell1); @@ -1986,6 +1991,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) * of doing so. */ handle_unserviceable_bio(tc->pool, bio); + cell_defer_no_holder_no_free(tc, &cell1); return DM_MAPIO_SUBMITTED; } /* fall through */ @@ -1996,6 +2002,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) * provide the hint to load the metadata into cache. */ thin_defer_bio(tc, bio); + cell_defer_no_holder_no_free(tc, &cell1); return DM_MAPIO_SUBMITTED; default: @@ -2005,6 +2012,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) * pool is switched to fail-io mode. */ bio_io_error(bio); + cell_defer_no_holder_no_free(tc, &cell1); return DM_MAPIO_SUBMITTED; } } diff --git a/drivers/md/md.c b/drivers/md/md.c index 4dfa15da9cb8..9233c71138f1 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5121,6 +5121,7 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) printk("md: %s still in use.\n",mdname(mddev)); if (did_freeze) { clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); } err = -EBUSY; @@ -5135,6 +5136,8 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) mddev->ro = 1; set_disk_ro(mddev->gendisk, 1); clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); + md_wakeup_thread(mddev->thread); sysfs_notify_dirent_safe(mddev->sysfs_state); err = 0; } @@ -5178,6 +5181,7 @@ static int do_md_stop(struct mddev *mddev, int mode, mutex_unlock(&mddev->open_mutex); if (did_freeze) { clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); } return -EBUSY; diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h index 37d367bb9aa8..bf2b80d5c470 100644 --- a/drivers/md/persistent-data/dm-btree-internal.h +++ b/drivers/md/persistent-data/dm-btree-internal.h @@ -42,6 +42,12 @@ struct btree_node { } __packed; +/* + * Locks a block using the btree node validator. + */ +int bn_read_lock(struct dm_btree_info *info, dm_block_t b, + struct dm_block **result); + void inc_children(struct dm_transaction_manager *tm, struct btree_node *n, struct dm_btree_value_type *vt); diff --git a/drivers/md/persistent-data/dm-btree-spine.c b/drivers/md/persistent-data/dm-btree-spine.c index cf9fd676ae44..1b5e13ec7f96 100644 --- a/drivers/md/persistent-data/dm-btree-spine.c +++ b/drivers/md/persistent-data/dm-btree-spine.c @@ -92,7 +92,7 @@ struct dm_block_validator btree_node_validator = { /*----------------------------------------------------------------*/ -static int bn_read_lock(struct dm_btree_info *info, dm_block_t b, +int bn_read_lock(struct dm_btree_info *info, dm_block_t b, struct dm_block **result) { return dm_tm_read_lock(info->tm, b, &btree_node_validator, result); diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 416060c25709..200ac12a1d40 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -847,22 +847,26 @@ EXPORT_SYMBOL_GPL(dm_btree_find_lowest_key); * FIXME: We shouldn't use a recursive algorithm when we have limited stack * space. Also this only works for single level trees. */ -static int walk_node(struct ro_spine *s, dm_block_t block, +static int walk_node(struct dm_btree_info *info, dm_block_t block, int (*fn)(void *context, uint64_t *keys, void *leaf), void *context) { int r; unsigned i, nr; + struct dm_block *node; struct btree_node *n; uint64_t keys; - r = ro_step(s, block); - n = ro_node(s); + r = bn_read_lock(info, block, &node); + if (r) + return r; + + n = dm_block_data(node); nr = le32_to_cpu(n->header.nr_entries); for (i = 0; i < nr; i++) { if (le32_to_cpu(n->header.flags) & INTERNAL_NODE) { - r = walk_node(s, value64(n, i), fn, context); + r = walk_node(info, value64(n, i), fn, context); if (r) goto out; } else { @@ -874,7 +878,7 @@ static int walk_node(struct ro_spine *s, dm_block_t block, } out: - ro_pop(s); + dm_tm_unlock(info->tm, node); return r; } @@ -882,15 +886,7 @@ int dm_btree_walk(struct dm_btree_info *info, dm_block_t root, int (*fn)(void *context, uint64_t *keys, void *leaf), void *context) { - int r; - struct ro_spine spine; - BUG_ON(info->levels > 1); - - init_ro_spine(&spine, info); - r = walk_node(&spine, root, fn, context); - exit_ro_spine(&spine); - - return r; + return walk_node(info, root, fn, context); } EXPORT_SYMBOL_GPL(dm_btree_walk); diff --git a/drivers/media/common/saa7146/saa7146_core.c b/drivers/media/common/saa7146/saa7146_core.c index 97afee672d07..4418119cf707 100644 --- a/drivers/media/common/saa7146/saa7146_core.c +++ b/drivers/media/common/saa7146/saa7146_core.c @@ -364,6 +364,9 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent goto out; } + /* create a nice device name */ + sprintf(dev->name, "saa7146 (%d)", saa7146_num); + DEB_EE("pci:%p\n", pci); err = pci_enable_device(pci); @@ -438,9 +441,6 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent /* the rest + print status message */ - /* create a nice device name */ - sprintf(dev->name, "saa7146 (%d)", saa7146_num); - pr_info("found saa7146 @ mem %p (revision %d, irq %d) (0x%04x,0x%04x)\n", dev->mem, dev->revision, pci->irq, pci->subsystem_vendor, pci->subsystem_device); diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index b8579ee68bd6..2cf30576bf39 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -962,6 +962,11 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe) case SYS_ATSC: c->modulation = VSB_8; break; + case SYS_ISDBS: + c->symbol_rate = 28860000; + c->rolloff = ROLLOFF_35; + c->bandwidth_hz = c->symbol_rate / 100 * 135; + break; default: c->modulation = QAM_AUTO; break; @@ -2072,6 +2077,7 @@ static int dtv_set_frontend(struct dvb_frontend *fe) break; case SYS_DVBS: case SYS_TURBO: + case SYS_ISDBS: rolloff = 135; break; case SYS_DVBS2: diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c index 335daeff91b9..9d0d0347758f 100644 --- a/drivers/media/dvb-frontends/ds3000.c +++ b/drivers/media/dvb-frontends/ds3000.c @@ -864,6 +864,13 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config, memcpy(&state->frontend.ops, &ds3000_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; + + /* + * Some devices like T480 starts with voltage on. Be sure + * to turn voltage off during init, as this can otherwise + * interfere with Unicable SCR systems. + */ + ds3000_set_voltage(&state->frontend, SEC_VOLTAGE_OFF); return &state->frontend; error3: diff --git a/drivers/media/dvb-frontends/sp2.c b/drivers/media/dvb-frontends/sp2.c index 9b684d5c8f91..15bf4318cb74 100644 --- a/drivers/media/dvb-frontends/sp2.c +++ b/drivers/media/dvb-frontends/sp2.c @@ -266,7 +266,7 @@ int sp2_ci_poll_slot_status(struct dvb_ca_en50221 *en50221, return s->status; } -int sp2_init(struct sp2 *s) +static int sp2_init(struct sp2 *s) { int ret = 0; u8 buf; @@ -348,7 +348,7 @@ int sp2_init(struct sp2 *s) return ret; } -int sp2_exit(struct i2c_client *client) +static int sp2_exit(struct i2c_client *client) { struct sp2 *s; diff --git a/drivers/media/dvb-frontends/tc90522.c b/drivers/media/dvb-frontends/tc90522.c index d9905fb52f84..b35d65c9cc05 100644 --- a/drivers/media/dvb-frontends/tc90522.c +++ b/drivers/media/dvb-frontends/tc90522.c @@ -216,32 +216,30 @@ static int tc90522s_get_frontend(struct dvb_frontend *fe) c->delivery_system = SYS_ISDBS; layers = 0; - ret = reg_read(state, 0xe8, val, 3); + ret = reg_read(state, 0xe6, val, 5); if (ret == 0) { - int slots; u8 v; + c->stream_id = val[0] << 8 | val[1]; + /* high/single layer */ - v = (val[0] & 0x70) >> 4; + v = (val[2] & 0x70) >> 4; c->modulation = (v == 7) ? PSK_8 : QPSK; c->fec_inner = fec_conv_sat[v]; c->layer[0].fec = c->fec_inner; c->layer[0].modulation = c->modulation; - c->layer[0].segment_count = val[1] & 0x3f; /* slots */ + c->layer[0].segment_count = val[3] & 0x3f; /* slots */ /* low layer */ - v = (val[0] & 0x07); + v = (val[2] & 0x07); c->layer[1].fec = fec_conv_sat[v]; if (v == 0) /* no low layer */ c->layer[1].segment_count = 0; else - c->layer[1].segment_count = val[2] & 0x3f; /* slots */ + c->layer[1].segment_count = val[4] & 0x3f; /* slots */ /* actually, BPSK if v==1, but not defined in fe_modulation_t */ c->layer[1].modulation = QPSK; layers = (v > 0) ? 2 : 1; - - slots = c->layer[0].segment_count + c->layer[1].segment_count; - c->symbol_rate = 28860000 * slots / 48; } /* statistics */ @@ -363,7 +361,7 @@ static int tc90522t_get_frontend(struct dvb_frontend *fe) u8 v; c->isdbt_partial_reception = val[0] & 0x01; - c->isdbt_sb_mode = (val[0] & 0xc0) == 0x01; + c->isdbt_sb_mode = (val[0] & 0xc0) == 0x40; /* layer A */ v = (val[2] & 0x78) >> 3; diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c index 13734b8c7917..4cb90317ff45 100644 --- a/drivers/media/pci/cx23885/cx23885-dvb.c +++ b/drivers/media/pci/cx23885/cx23885-dvb.c @@ -1600,6 +1600,7 @@ static int dvb_register(struct cx23885_tsport *port) break; /* attach tuner */ + memset(&m88ts2022_config, 0, sizeof(m88ts2022_config)); m88ts2022_config.fe = fe0->dvb.frontend; m88ts2022_config.clock = 27000000; memset(&info, 0, sizeof(struct i2c_board_info)); @@ -1635,6 +1636,7 @@ static int dvb_register(struct cx23885_tsport *port) /* port c - terrestrial/cable */ case 2: /* attach frontend */ + memset(&si2168_config, 0, sizeof(si2168_config)); si2168_config.i2c_adapter = &adapter; si2168_config.fe = &fe0->dvb.frontend; si2168_config.ts_mode = SI2168_TS_SERIAL; @@ -1654,6 +1656,7 @@ static int dvb_register(struct cx23885_tsport *port) port->i2c_client_demod = client_demod; /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); si2157_config.fe = fe0->dvb.frontend; memset(&info, 0, sizeof(struct i2c_board_info)); strlcpy(info.type, "si2157", I2C_NAME_SIZE); diff --git a/drivers/media/pci/tw68/Kconfig b/drivers/media/pci/tw68/Kconfig index 5425ba1e320d..95d5d5202048 100644 --- a/drivers/media/pci/tw68/Kconfig +++ b/drivers/media/pci/tw68/Kconfig @@ -1,7 +1,6 @@ config VIDEO_TW68 tristate "Techwell tw68x Video For Linux" depends on VIDEO_DEV && PCI && VIDEO_V4L2 - select I2C_ALGOBIT select VIDEOBUF2_DMA_SG ---help--- Support for Techwell tw68xx based frame grabber boards. diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c index a6fb48cf7aae..63f0b64057cb 100644 --- a/drivers/media/pci/tw68/tw68-core.c +++ b/drivers/media/pci/tw68/tw68-core.c @@ -306,7 +306,7 @@ static int tw68_initdev(struct pci_dev *pci_dev, /* get irq */ err = devm_request_irq(&pci_dev->dev, pci_dev->irq, tw68_irq, - IRQF_SHARED | IRQF_DISABLED, dev->name, dev); + IRQF_SHARED, dev->name, dev); if (err < 0) { pr_err("%s: can't get IRQ %d\n", dev->name, pci_dev->irq); diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index bee9074ebc13..3aac88f1d54a 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -166,7 +166,7 @@ config VIDEO_MEM2MEM_DEINTERLACE config VIDEO_SAMSUNG_S5P_G2D tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver" depends on VIDEO_DEV && VIDEO_V4L2 - depends on PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST + depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST depends on HAS_DMA select VIDEOBUF2_DMA_CONTIG select V4L2_MEM2MEM_DEV @@ -178,7 +178,7 @@ config VIDEO_SAMSUNG_S5P_G2D config VIDEO_SAMSUNG_S5P_JPEG tristate "Samsung S5P/Exynos3250/Exynos4 JPEG codec driver" depends on VIDEO_DEV && VIDEO_V4L2 - depends on PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST + depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST depends on HAS_DMA select VIDEOBUF2_DMA_CONTIG select V4L2_MEM2MEM_DEV @@ -189,7 +189,7 @@ config VIDEO_SAMSUNG_S5P_JPEG config VIDEO_SAMSUNG_S5P_MFC tristate "Samsung S5P MFC Video Codec" depends on VIDEO_DEV && VIDEO_V4L2 - depends on PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST + depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST depends on HAS_DMA select VIDEOBUF2_DMA_CONTIG default n diff --git a/drivers/media/platform/exynos4-is/Kconfig b/drivers/media/platform/exynos4-is/Kconfig index 77c951237744..b7b2e472240a 100644 --- a/drivers/media/platform/exynos4-is/Kconfig +++ b/drivers/media/platform/exynos4-is/Kconfig @@ -2,7 +2,7 @@ config VIDEO_SAMSUNG_EXYNOS4_IS bool "Samsung S5P/EXYNOS4 SoC series Camera Subsystem driver" depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API - depends on (PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST) + depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST depends on OF && COMMON_CLK help Say Y here to enable camera host interface devices for diff --git a/drivers/media/platform/exynos4-is/fimc-core.c b/drivers/media/platform/exynos4-is/fimc-core.c index b70fd996d794..aee92d908e49 100644 --- a/drivers/media/platform/exynos4-is/fimc-core.c +++ b/drivers/media/platform/exynos4-is/fimc-core.c @@ -832,6 +832,7 @@ static int fimc_clk_get(struct fimc_dev *fimc) return -ENXIO; } +#if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) static int fimc_m2m_suspend(struct fimc_dev *fimc) { unsigned long flags; @@ -870,6 +871,7 @@ static int fimc_m2m_resume(struct fimc_dev *fimc) return 0; } +#endif /* CONFIG_PM_RUNTIME || CONFIG_PM_SLEEP */ static const struct of_device_id fimc_of_match[]; diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index e525a7c8d885..6fcc7f072ace 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -893,7 +893,7 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, unsigned long buffer, unsigned long size, struct s5p_jpeg_ctx *ctx) { - int c, components, notfound; + int c, components = 0, notfound; unsigned int height, width, word, subsampling = 0; long length; struct s5p_jpeg_buffer jpeg_buffer; @@ -2632,6 +2632,7 @@ static int s5p_jpeg_remove(struct platform_device *pdev) return 0; } +#if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) static int s5p_jpeg_runtime_suspend(struct device *dev) { struct s5p_jpeg *jpeg = dev_get_drvdata(dev); @@ -2681,7 +2682,9 @@ static int s5p_jpeg_runtime_resume(struct device *dev) return 0; } +#endif /* CONFIG_PM_RUNTIME || CONFIG_PM_SLEEP */ +#ifdef CONFIG_PM_SLEEP static int s5p_jpeg_suspend(struct device *dev) { if (pm_runtime_suspended(dev)) @@ -2697,6 +2700,7 @@ static int s5p_jpeg_resume(struct device *dev) return s5p_jpeg_runtime_resume(dev); } +#endif static const struct dev_pm_ops s5p_jpeg_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(s5p_jpeg_suspend, s5p_jpeg_resume) diff --git a/drivers/media/platform/s5p-tv/Kconfig b/drivers/media/platform/s5p-tv/Kconfig index a9d56f8936b4..beb180e71ba0 100644 --- a/drivers/media/platform/s5p-tv/Kconfig +++ b/drivers/media/platform/s5p-tv/Kconfig @@ -9,7 +9,7 @@ config VIDEO_SAMSUNG_S5P_TV bool "Samsung TV driver for S5P platform" depends on PM_RUNTIME - depends on PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST + depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST default n ---help--- Say Y here to enable selecting the TV output devices for diff --git a/drivers/media/platform/vivid/Kconfig b/drivers/media/platform/vivid/Kconfig index d71139a2ae00..c3090932f06d 100644 --- a/drivers/media/platform/vivid/Kconfig +++ b/drivers/media/platform/vivid/Kconfig @@ -1,8 +1,11 @@ config VIDEO_VIVID tristate "Virtual Video Test Driver" - depends on VIDEO_DEV && VIDEO_V4L2 && !SPARC32 && !SPARC64 + depends on VIDEO_DEV && VIDEO_V4L2 && !SPARC32 && !SPARC64 && FB select FONT_SUPPORT select FONT_8x16 + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT select VIDEOBUF2_VMALLOC default n ---help--- diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c index 2c61a62ab48b..686c3c2ad05b 100644 --- a/drivers/media/platform/vivid/vivid-core.c +++ b/drivers/media/platform/vivid/vivid-core.c @@ -100,11 +100,9 @@ MODULE_PARM_DESC(ccs_out_mode, " output crop/compose/scale mode:\n" "\t\t bit 0=crop, 1=compose, 2=scale,\n" "\t\t -1=user-controlled (default)"); -static unsigned multiplanar[VIVID_MAX_DEVS]; +static unsigned multiplanar[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 1 }; module_param_array(multiplanar, uint, NULL, 0444); -MODULE_PARM_DESC(multiplanar, " 0 (default) is alternating single and multiplanar devices,\n" - "\t\t 1 is single planar devices,\n" - "\t\t 2 is multiplanar devices"); +MODULE_PARM_DESC(multiplanar, " 1 (default) creates a single planar device, 2 creates a multiplanar device."); /* Default: video + vbi-cap (raw and sliced) + radio rx + radio tx + sdr + vbi-out + vid-out */ static unsigned node_types[VIVID_MAX_DEVS] = { [0 ... (VIVID_MAX_DEVS - 1)] = 0x1d3d }; @@ -669,10 +667,7 @@ static int __init vivid_create_instance(int inst) /* start detecting feature set */ /* do we use single- or multi-planar? */ - if (multiplanar[inst] == 0) - dev->multiplanar = inst & 1; - else - dev->multiplanar = multiplanar[inst] > 1; + dev->multiplanar = multiplanar[inst] > 1; v4l2_info(&dev->v4l2_dev, "using %splanar format API\n", dev->multiplanar ? "multi" : "single "); diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index 0c6fa53fa646..cbcd6250e7b2 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/platform/vivid/vivid-tpg.c @@ -136,7 +136,7 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w) tpg->black_line[plane] = vzalloc(max_w * pixelsz); if (!tpg->black_line[plane]) return -ENOMEM; - tpg->random_line[plane] = vzalloc(max_w * pixelsz); + tpg->random_line[plane] = vzalloc(max_w * 2 * pixelsz); if (!tpg->random_line[plane]) return -ENOMEM; } diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c index 6f28f6e02ea5..704397f3c106 100644 --- a/drivers/media/radio/wl128x/fmdrv_common.c +++ b/drivers/media/radio/wl128x/fmdrv_common.c @@ -1256,7 +1256,7 @@ static int fm_download_firmware(struct fmdev *fmdev, const u8 *fw_name) fmerr("Unable to read firmware(%s) content\n", fw_name); return ret; } - fmdbg("Firmware(%s) length : %d bytes\n", fw_name, fw_entry->size); + fmdbg("Firmware(%s) length : %zu bytes\n", fw_name, fw_entry->size); fw_data = (void *)fw_entry->data; fw_len = fw_entry->size; diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index b8837dd39bb2..65f80b8b9f7a 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -1678,7 +1678,8 @@ static void imon_incoming_packet(struct imon_context *ictx, if (press_type == 0) rc_keyup(ictx->rdev); else { - if (ictx->rc_type == RC_BIT_RC6_MCE) + if (ictx->rc_type == RC_BIT_RC6_MCE || + ictx->rc_type == RC_BIT_OTHER) rc_keydown(ictx->rdev, ictx->rc_type == RC_BIT_RC6_MCE ? RC_TYPE_RC6_MCE : RC_TYPE_OTHER, ictx->rc_scancode, ictx->rc_toggle); diff --git a/drivers/media/rc/ir-hix5hd2.c b/drivers/media/rc/ir-hix5hd2.c index 08bbd4f508cd..b0df62961c14 100644 --- a/drivers/media/rc/ir-hix5hd2.c +++ b/drivers/media/rc/ir-hix5hd2.c @@ -297,7 +297,7 @@ static int hix5hd2_ir_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int hix5hd2_ir_suspend(struct device *dev) { struct hix5hd2_ir_priv *priv = dev_get_drvdata(dev); diff --git a/drivers/media/rc/ir-rc5-decoder.c b/drivers/media/rc/ir-rc5-decoder.c index 2ef763928ca4..84fa6e9b59a1 100644 --- a/drivers/media/rc/ir-rc5-decoder.c +++ b/drivers/media/rc/ir-rc5-decoder.c @@ -53,7 +53,7 @@ static int ir_rc5_decode(struct rc_dev *dev, struct ir_raw_event ev) u32 scancode; enum rc_type protocol; - if (!(dev->enabled_protocols & (RC_BIT_RC5 | RC_BIT_RC5X))) + if (!(dev->enabled_protocols & (RC_BIT_RC5 | RC_BIT_RC5X | RC_BIT_RC5_SZ))) return 0; if (!is_timing_event(ev)) { diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index e8fff2add265..b732ac6a26d8 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -262,7 +262,6 @@ int ir_raw_event_register(struct rc_dev *dev) return -ENOMEM; dev->raw->dev = dev; - dev->enabled_protocols = ~0; dev->change_protocol = change_protocol; rc = kfifo_alloc(&dev->raw->kfifo, sizeof(struct ir_raw_event) * MAX_IR_EVENT_SIZE, diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index a7991c7d010a..8d3b74c5a717 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -1421,6 +1421,8 @@ int rc_register_device(struct rc_dev *dev) if (dev->change_protocol) { u64 rc_type = (1 << rc_map->rc_type); + if (dev->driver_type == RC_DRIVER_IR_RAW) + rc_type |= RC_BIT_LIRC; rc = dev->change_protocol(dev, &rc_type); if (rc < 0) goto out_raw; diff --git a/drivers/media/tuners/xc5000.c b/drivers/media/tuners/xc5000.c index e44c8aba6074..803a0e63d47e 100644 --- a/drivers/media/tuners/xc5000.c +++ b/drivers/media/tuners/xc5000.c @@ -1333,9 +1333,9 @@ static int xc5000_release(struct dvb_frontend *fe) if (priv) { cancel_delayed_work(&priv->timer_sleep); - hybrid_tuner_release_state(priv); if (priv->firmware) release_firmware(priv->firmware); + hybrid_tuner_release_state(priv); } mutex_unlock(&xc5000_list_mutex); diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 00758c83eec7..1896ab218b11 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -193,8 +193,8 @@ static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val, return af9035_wr_regs(d, reg, &val, 1); } -static int af9035_add_i2c_dev(struct dvb_usb_device *d, char *type, u8 addr, - void *platform_data, struct i2c_adapter *adapter) +static int af9035_add_i2c_dev(struct dvb_usb_device *d, const char *type, + u8 addr, void *platform_data, struct i2c_adapter *adapter) { int ret, num; struct state *state = d_to_priv(d); @@ -221,7 +221,7 @@ static int af9035_add_i2c_dev(struct dvb_usb_device *d, char *type, u8 addr, goto err; } - request_module(board_info.type); + request_module("%s", board_info.type); /* register I2C device */ client = i2c_new_device(adapter, &board_info); diff --git a/drivers/media/usb/dvb-usb-v2/anysee.c b/drivers/media/usb/dvb-usb-v2/anysee.c index d3c5f230e97a..ae917c042a52 100644 --- a/drivers/media/usb/dvb-usb-v2/anysee.c +++ b/drivers/media/usb/dvb-usb-v2/anysee.c @@ -630,8 +630,8 @@ static int anysee_frontend_ctrl(struct dvb_frontend *fe, int onoff) return ret; } -static int anysee_add_i2c_dev(struct dvb_usb_device *d, char *type, u8 addr, - void *platform_data) +static int anysee_add_i2c_dev(struct dvb_usb_device *d, const char *type, + u8 addr, void *platform_data) { int ret, num; struct anysee_state *state = d_to_priv(d); @@ -659,7 +659,7 @@ static int anysee_add_i2c_dev(struct dvb_usb_device *d, char *type, u8 addr, goto err; } - request_module(board_info.type); + request_module("%s", board_info.type); /* register I2C device */ client = i2c_new_device(adapter, &board_info); diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c index b5e52fe7957a..901cf2b952d7 100644 --- a/drivers/media/usb/em28xx/em28xx-core.c +++ b/drivers/media/usb/em28xx/em28xx-core.c @@ -504,7 +504,7 @@ EXPORT_SYMBOL_GPL(em28xx_audio_analog_set); int em28xx_audio_setup(struct em28xx *dev) { int vid1, vid2, feat, cfg; - u32 vid; + u32 vid = 0; u8 i2s_samplerates; if (dev->chip_id == CHIP_ID_EM2870 || diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index 581f6dad4ca9..23f8f6afa2e0 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -712,8 +712,10 @@ static int em28xx_ir_init(struct em28xx *dev) em28xx_info("Registering input extension\n"); ir = kzalloc(sizeof(*ir), GFP_KERNEL); + if (!ir) + return -ENOMEM; rc = rc_allocate_device(); - if (!ir || !rc) + if (!rc) goto error; /* record handles to ourself */ diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c index 328b5ba47a0a..fd1fa412e094 100644 --- a/drivers/media/usb/hackrf/hackrf.c +++ b/drivers/media/usb/hackrf/hackrf.c @@ -932,7 +932,7 @@ static int hackrf_set_bandwidth(struct hackrf_dev *dev) dev->bandwidth->val = bandwidth; dev->bandwidth->cur.val = bandwidth; - dev_dbg(dev->dev, "bandwidth selected=%d\n", bandwidth_lut[i].freq); + dev_dbg(dev->dev, "bandwidth selected=%d\n", bandwidth); u16tmp = 0; u16tmp |= ((bandwidth >> 0) & 0xff) << 0; diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index 68bc9615660e..9bfa041e3316 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -446,6 +446,7 @@ static int usbvision_v4l2_close(struct file *file) if (usbvision->remove_pending) { printk(KERN_INFO "%s: Final disconnect\n", __func__); usbvision_release(usbvision); + return 0; } mutex_unlock(&usbvision->v4l2_lock); @@ -1221,6 +1222,7 @@ static int usbvision_radio_close(struct file *file) if (usbvision->remove_pending) { printk(KERN_INFO "%s: Final disconnect\n", __func__); usbvision_release(usbvision); + return err_code; } mutex_unlock(&usbvision->v4l2_lock); diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 60a8e2c3631e..378ae02e593b 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -318,7 +318,6 @@ static int uvc_v4l2_set_format(struct uvc_streaming *stream, stream->ctrl = probe; stream->cur_format = format; stream->cur_frame = frame; - stream->frame_size = fmt->fmt.pix.sizeimage; done: mutex_unlock(&stream->mutex); diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 9ace520bb079..df81b9c4faf1 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1143,7 +1143,7 @@ static int uvc_video_encode_data(struct uvc_streaming *stream, static void uvc_video_validate_buffer(const struct uvc_streaming *stream, struct uvc_buffer *buf) { - if (stream->frame_size != buf->bytesused && + if (stream->ctrl.dwMaxVideoFrameSize != buf->bytesused && !(stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED)) buf->error = 1; } diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 6f676c29ec09..864ada740360 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -457,7 +457,6 @@ struct uvc_streaming { struct uvc_format *def_format; struct uvc_format *cur_format; struct uvc_frame *cur_frame; - size_t frame_size; /* Protect access to ctrl, cur_format, cur_frame and hardware video * probe control. diff --git a/drivers/media/v4l2-core/videobuf-dma-contig.c b/drivers/media/v4l2-core/videobuf-dma-contig.c index bf80f0f7dfb8..e02353e340dd 100644 --- a/drivers/media/v4l2-core/videobuf-dma-contig.c +++ b/drivers/media/v4l2-core/videobuf-dma-contig.c @@ -305,6 +305,15 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q, /* Try to remap memory */ size = vma->vm_end - vma->vm_start; vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + + /* the "vm_pgoff" is just used in v4l2 to find the + * corresponding buffer data structure which is allocated + * earlier and it does not mean the offset from the physical + * buffer start address as usual. So set it to 0 to pass + * the sanity check in vm_iomap_memory(). + */ + vma->vm_pgoff = 0; + retval = vm_iomap_memory(vma, mem->dma_handle, size); if (retval) { dev_err(q->dev, "mmap: remap failed with error %d. ", diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c index cf008f45968c..711773e8e64b 100644 --- a/drivers/mfd/max77693.c +++ b/drivers/mfd/max77693.c @@ -240,7 +240,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c, goto err_irq_charger; } - ret = regmap_add_irq_chip(max77693->regmap, max77693->irq, + ret = regmap_add_irq_chip(max77693->regmap_muic, max77693->irq, IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_FALLING, 0, &max77693_muic_irq_chip, @@ -250,6 +250,17 @@ static int max77693_i2c_probe(struct i2c_client *i2c, goto err_irq_muic; } + /* Unmask interrupts from all blocks in interrupt source register */ + ret = regmap_update_bits(max77693->regmap, + MAX77693_PMIC_REG_INTSRC_MASK, + SRC_IRQ_ALL, (unsigned int)~SRC_IRQ_ALL); + if (ret < 0) { + dev_err(max77693->dev, + "Could not unmask interrupts in INTSRC: %d\n", + ret); + goto err_intsrc; + } + pm_runtime_set_active(max77693->dev); ret = mfd_add_devices(max77693->dev, -1, max77693_devs, @@ -261,6 +272,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c, err_mfd: mfd_remove_devices(max77693->dev); +err_intsrc: regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic); err_irq_muic: regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger); diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index f2643c221d34..30f7ca89a0e6 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -947,6 +947,7 @@ static void rtsx_pci_idle_work(struct work_struct *work) mutex_unlock(&pcr->pcr_mutex); } +#ifdef CONFIG_PM static void rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state) { if (pcr->ops->turn_off_led) @@ -961,6 +962,7 @@ static void rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state) if (pcr->ops->force_power_down) pcr->ops->force_power_down(pcr, pm_state); } +#endif static int rtsx_pci_init_hw(struct rtsx_pcr *pcr) { diff --git a/drivers/mfd/stmpe.h b/drivers/mfd/stmpe.h index 2d045f26f193..bee0abf82040 100644 --- a/drivers/mfd/stmpe.h +++ b/drivers/mfd/stmpe.h @@ -269,7 +269,7 @@ int stmpe_remove(struct stmpe *stmpe); #define STMPE24XX_REG_CHIP_ID 0x80 #define STMPE24XX_REG_IEGPIOR_LSB 0x18 #define STMPE24XX_REG_ISGPIOR_MSB 0x19 -#define STMPE24XX_REG_GPMR_LSB 0xA5 +#define STMPE24XX_REG_GPMR_LSB 0xA4 #define STMPE24XX_REG_GPSR_LSB 0x85 #define STMPE24XX_REG_GPCR_LSB 0x88 #define STMPE24XX_REG_GPDR_LSB 0x8B diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c index cf92a6d1c532..50f9091bcd38 100644 --- a/drivers/mfd/twl4030-power.c +++ b/drivers/mfd/twl4030-power.c @@ -44,6 +44,15 @@ static u8 twl4030_start_script_address = 0x2b; #define PWR_DEVSLP BIT(1) #define PWR_DEVOFF BIT(0) +/* Register bits for CFG_P1_TRANSITION (also for P2 and P3) */ +#define STARTON_SWBUG BIT(7) /* Start on watchdog */ +#define STARTON_VBUS BIT(5) /* Start on VBUS */ +#define STARTON_VBAT BIT(4) /* Start on battery insert */ +#define STARTON_RTC BIT(3) /* Start on RTC */ +#define STARTON_USB BIT(2) /* Start on USB host */ +#define STARTON_CHG BIT(1) /* Start on charger */ +#define STARTON_PWON BIT(0) /* Start on PWRON button */ + #define SEQ_OFFSYNC (1 << 0) #define PHY_TO_OFF_PM_MASTER(p) (p - 0x36) @@ -606,6 +615,44 @@ twl4030_power_configure_resources(const struct twl4030_power_data *pdata) return 0; } +static int twl4030_starton_mask_and_set(u8 bitmask, u8 bitvalues) +{ + u8 regs[3] = { TWL4030_PM_MASTER_CFG_P1_TRANSITION, + TWL4030_PM_MASTER_CFG_P2_TRANSITION, + TWL4030_PM_MASTER_CFG_P3_TRANSITION, }; + u8 val; + int i, err; + + err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG1, + TWL4030_PM_MASTER_PROTECT_KEY); + if (err) + goto relock; + err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, + TWL4030_PM_MASTER_KEY_CFG2, + TWL4030_PM_MASTER_PROTECT_KEY); + if (err) + goto relock; + + for (i = 0; i < sizeof(regs); i++) { + err = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, + &val, regs[i]); + if (err) + break; + val = (~bitmask & val) | (bitmask & bitvalues); + err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, + val, regs[i]); + if (err) + break; + } + + if (err) + pr_err("TWL4030 Register access failed: %i\n", err); + +relock: + return twl_i2c_write_u8(TWL_MODULE_PM_MASTER, 0, + TWL4030_PM_MASTER_PROTECT_KEY); +} + /* * In master mode, start the power off sequence. * After a successful execution, TWL shuts down the power to the SoC @@ -615,6 +662,11 @@ void twl4030_power_off(void) { int err; + /* Disable start on charger or VBUS as it can break poweroff */ + err = twl4030_starton_mask_and_set(STARTON_VBUS | STARTON_CHG, 0); + if (err) + pr_err("TWL4030 Unable to configure start-up\n"); + err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, PWR_DEVOFF, TWL4030_PM_MASTER_P1_SW_EVENTS); if (err) diff --git a/drivers/mfd/viperboard.c b/drivers/mfd/viperboard.c index e00f5340ed87..3c2b8f9e3c84 100644 --- a/drivers/mfd/viperboard.c +++ b/drivers/mfd/viperboard.c @@ -93,8 +93,9 @@ static int vprbrd_probe(struct usb_interface *interface, version >> 8, version & 0xff, vb->usb_dev->bus->busnum, vb->usb_dev->devnum); - ret = mfd_add_devices(&interface->dev, -1, vprbrd_devs, - ARRAY_SIZE(vprbrd_devs), NULL, 0, NULL); + ret = mfd_add_devices(&interface->dev, PLATFORM_DEVID_AUTO, + vprbrd_devs, ARRAY_SIZE(vprbrd_devs), NULL, 0, + NULL); if (ret != 0) { dev_err(&interface->dev, "Failed to add mfd devices to core."); goto error; diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c index 69506ebd4d07..c99e896604ee 100644 --- a/drivers/misc/cxl/fault.c +++ b/drivers/misc/cxl/fault.c @@ -21,60 +21,64 @@ #include "cxl.h" -static struct cxl_sste* find_free_sste(struct cxl_sste *primary_group, - bool sec_hash, - struct cxl_sste *secondary_group, - unsigned int *lru) +static bool sste_matches(struct cxl_sste *sste, struct copro_slb *slb) { - unsigned int i, entry; - struct cxl_sste *sste, *group = primary_group; - - for (i = 0; i < 2; i++) { - for (entry = 0; entry < 8; entry++) { - sste = group + entry; - if (!(be64_to_cpu(sste->esid_data) & SLB_ESID_V)) - return sste; - } - if (!sec_hash) - break; - group = secondary_group; - } - /* Nothing free, select an entry to cast out */ - if (sec_hash && (*lru & 0x8)) - sste = secondary_group + (*lru & 0x7); - else - sste = primary_group + (*lru & 0x7); - *lru = (*lru + 1) & 0xf; - - return sste; + return ((sste->vsid_data == cpu_to_be64(slb->vsid)) && + (sste->esid_data == cpu_to_be64(slb->esid))); } -static void cxl_load_segment(struct cxl_context *ctx, struct copro_slb *slb) +/* + * This finds a free SSTE for the given SLB, or returns NULL if it's already in + * the segment table. + */ +static struct cxl_sste* find_free_sste(struct cxl_context *ctx, + struct copro_slb *slb) { - /* mask is the group index, we search primary and secondary here. */ - unsigned int mask = (ctx->sst_size >> 7)-1; /* SSTP0[SegTableSize] */ - bool sec_hash = 1; - struct cxl_sste *sste; + struct cxl_sste *primary, *sste, *ret = NULL; + unsigned int mask = (ctx->sst_size >> 7) - 1; /* SSTP0[SegTableSize] */ + unsigned int entry; unsigned int hash; - unsigned long flags; - - - sec_hash = !!(cxl_p1n_read(ctx->afu, CXL_PSL_SR_An) & CXL_PSL_SR_An_SC); if (slb->vsid & SLB_VSID_B_1T) hash = (slb->esid >> SID_SHIFT_1T) & mask; else /* 256M */ hash = (slb->esid >> SID_SHIFT) & mask; + primary = ctx->sstp + (hash << 3); + + for (entry = 0, sste = primary; entry < 8; entry++, sste++) { + if (!ret && !(be64_to_cpu(sste->esid_data) & SLB_ESID_V)) + ret = sste; + if (sste_matches(sste, slb)) + return NULL; + } + if (ret) + return ret; + + /* Nothing free, select an entry to cast out */ + ret = primary + ctx->sst_lru; + ctx->sst_lru = (ctx->sst_lru + 1) & 0x7; + + return ret; +} + +static void cxl_load_segment(struct cxl_context *ctx, struct copro_slb *slb) +{ + /* mask is the group index, we search primary and secondary here. */ + struct cxl_sste *sste; + unsigned long flags; + spin_lock_irqsave(&ctx->sste_lock, flags); - sste = find_free_sste(ctx->sstp + (hash << 3), sec_hash, - ctx->sstp + ((~hash & mask) << 3), &ctx->sst_lru); + sste = find_free_sste(ctx, slb); + if (!sste) + goto out_unlock; pr_devel("CXL Populating SST[%li]: %#llx %#llx\n", sste - ctx->sstp, slb->vsid, slb->esid); sste->vsid_data = cpu_to_be64(slb->vsid); sste->esid_data = cpu_to_be64(slb->esid); +out_unlock: spin_unlock_irqrestore(&ctx->sste_lock, flags); } diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c index 623286a77114..d47532e8f4f1 100644 --- a/drivers/misc/cxl/native.c +++ b/drivers/misc/cxl/native.c @@ -417,7 +417,7 @@ static int attach_afu_directed(struct cxl_context *ctx, u64 wed, u64 amr) ctx->elem->haurp = 0; /* disable */ ctx->elem->sdr = cpu_to_be64(mfspr(SPRN_SDR1)); - sr = CXL_PSL_SR_An_SC; + sr = 0; if (ctx->master) sr |= CXL_PSL_SR_An_MP; if (mfspr(SPRN_LPCR) & LPCR_TC) @@ -508,7 +508,7 @@ static int attach_dedicated(struct cxl_context *ctx, u64 wed, u64 amr) u64 sr; int rc; - sr = CXL_PSL_SR_An_SC; + sr = 0; set_endian(sr); if (ctx->master) sr |= CXL_PSL_SR_An_MP; diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 03c53b72a2d6..270d58a4c43d 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -311,7 +311,8 @@ int mmc_of_parse(struct mmc_host *host) struct device_node *np; u32 bus_width; int len, ret; - bool cap_invert, gpio_invert; + bool cd_cap_invert, cd_gpio_invert = false; + bool ro_cap_invert, ro_gpio_invert = false; if (!host->parent || !host->parent->of_node) return 0; @@ -359,16 +360,13 @@ int mmc_of_parse(struct mmc_host *host) if (of_find_property(np, "non-removable", &len)) { host->caps |= MMC_CAP_NONREMOVABLE; } else { - if (of_property_read_bool(np, "cd-inverted")) - cap_invert = true; - else - cap_invert = false; + cd_cap_invert = of_property_read_bool(np, "cd-inverted"); if (of_find_property(np, "broken-cd", &len)) host->caps |= MMC_CAP_NEEDS_POLL; ret = mmc_gpiod_request_cd(host, "cd", 0, true, - 0, &gpio_invert); + 0, &cd_gpio_invert); if (ret) { if (ret == -EPROBE_DEFER) return ret; @@ -391,17 +389,14 @@ int mmc_of_parse(struct mmc_host *host) * both inverted, the end result is that the CD line is * not inverted. */ - if (cap_invert ^ gpio_invert) + if (cd_cap_invert ^ cd_gpio_invert) host->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH; } /* Parse Write Protection */ - if (of_property_read_bool(np, "wp-inverted")) - cap_invert = true; - else - cap_invert = false; + ro_cap_invert = of_property_read_bool(np, "wp-inverted"); - ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &gpio_invert); + ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &ro_gpio_invert); if (ret) { if (ret == -EPROBE_DEFER) goto out; @@ -414,7 +409,7 @@ int mmc_of_parse(struct mmc_host *host) dev_info(host->parent, "Got WP GPIO\n"); /* See the comment on CD inversion above */ - if (cap_invert ^ gpio_invert) + if (ro_cap_invert ^ ro_gpio_invert) host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; if (of_find_property(np, "cap-sd-highspeed", &len)) diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index a7543ba3e190..3096f3ded3ad 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -2590,6 +2590,8 @@ static void cfi_intelext_resume(struct mtd_info *mtd) /* Go to known state. Chip may have been power cycled */ if (chip->state == FL_PM_SUSPENDED) { + /* Refresh LH28F640BF Partition Config. Register */ + fixup_LH28F640BF(mtd); map_write(map, CMD(0xFF), cfi->chips[i].start); chip->oldstate = chip->state = FL_READY; wake_up(&chip->wq); diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index dcda6287228d..ed827cf894e4 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -193,10 +193,10 @@ static int m25p_probe(struct spi_device *spi) { struct mtd_part_parser_data ppdata; struct flash_platform_data *data; - const struct spi_device_id *id = NULL; struct m25p *flash; struct spi_nor *nor; enum read_mode mode = SPI_NOR_NORMAL; + char *flash_name = NULL; int ret; data = dev_get_platdata(&spi->dev); @@ -236,13 +236,11 @@ static int m25p_probe(struct spi_device *spi) * If that's the case, respect "type" and ignore a "name". */ if (data && data->type) - id = spi_nor_match_id(data->type); + flash_name = data->type; + else + flash_name = spi->modalias; - /* If we didn't get name from platform, simply use "modalias". */ - if (!id) - id = spi_get_device_id(spi); - - ret = spi_nor_scan(nor, id, mode); + ret = spi_nor_scan(nor, flash_name, mode); if (ret) return ret; @@ -263,12 +261,62 @@ static int m25p_remove(struct spi_device *spi) } +/* + * XXX This needs to be kept in sync with spi_nor_ids. We can't share + * it with spi-nor, because if this is built as a module then modpost + * won't be able to read it and add appropriate aliases. + */ +static const struct spi_device_id m25p_ids[] = { + {"at25fs010"}, {"at25fs040"}, {"at25df041a"}, {"at25df321a"}, + {"at25df641"}, {"at26f004"}, {"at26df081a"}, {"at26df161a"}, + {"at26df321"}, {"at45db081d"}, + {"en25f32"}, {"en25p32"}, {"en25q32b"}, {"en25p64"}, + {"en25q64"}, {"en25qh128"}, {"en25qh256"}, + {"f25l32pa"}, + {"mr25h256"}, {"mr25h10"}, + {"gd25q32"}, {"gd25q64"}, + {"160s33b"}, {"320s33b"}, {"640s33b"}, + {"mx25l2005a"}, {"mx25l4005a"}, {"mx25l8005"}, {"mx25l1606e"}, + {"mx25l3205d"}, {"mx25l3255e"}, {"mx25l6405d"}, {"mx25l12805d"}, + {"mx25l12855e"},{"mx25l25635e"},{"mx25l25655e"},{"mx66l51235l"}, + {"mx66l1g55g"}, + {"n25q064"}, {"n25q128a11"}, {"n25q128a13"}, {"n25q256a"}, + {"n25q512a"}, {"n25q512ax3"}, {"n25q00"}, + {"pm25lv512"}, {"pm25lv010"}, {"pm25lq032"}, + {"s25sl032p"}, {"s25sl064p"}, {"s25fl256s0"}, {"s25fl256s1"}, + {"s25fl512s"}, {"s70fl01gs"}, {"s25sl12800"}, {"s25sl12801"}, + {"s25fl129p0"}, {"s25fl129p1"}, {"s25sl004a"}, {"s25sl008a"}, + {"s25sl016a"}, {"s25sl032a"}, {"s25sl064a"}, {"s25fl008k"}, + {"s25fl016k"}, {"s25fl064k"}, + {"sst25vf040b"},{"sst25vf080b"},{"sst25vf016b"},{"sst25vf032b"}, + {"sst25vf064c"},{"sst25wf512"}, {"sst25wf010"}, {"sst25wf020"}, + {"sst25wf040"}, + {"m25p05"}, {"m25p10"}, {"m25p20"}, {"m25p40"}, + {"m25p80"}, {"m25p16"}, {"m25p32"}, {"m25p64"}, + {"m25p128"}, {"n25q032"}, + {"m25p05-nonjedec"}, {"m25p10-nonjedec"}, {"m25p20-nonjedec"}, + {"m25p40-nonjedec"}, {"m25p80-nonjedec"}, {"m25p16-nonjedec"}, + {"m25p32-nonjedec"}, {"m25p64-nonjedec"}, {"m25p128-nonjedec"}, + {"m45pe10"}, {"m45pe80"}, {"m45pe16"}, + {"m25pe20"}, {"m25pe80"}, {"m25pe16"}, + {"m25px16"}, {"m25px32"}, {"m25px32-s0"}, {"m25px32-s1"}, + {"m25px64"}, + {"w25x10"}, {"w25x20"}, {"w25x40"}, {"w25x80"}, + {"w25x16"}, {"w25x32"}, {"w25q32"}, {"w25q32dw"}, + {"w25x64"}, {"w25q64"}, {"w25q128"}, {"w25q80"}, + {"w25q80bl"}, {"w25q128"}, {"w25q256"}, {"cat25c11"}, + {"cat25c03"}, {"cat25c09"}, {"cat25c17"}, {"cat25128"}, + { }, +}; +MODULE_DEVICE_TABLE(spi, m25p_ids); + + static struct spi_driver m25p80_driver = { .driver = { .name = "m25p80", .owner = THIS_MODULE, }, - .id_table = spi_nor_ids, + .id_table = m25p_ids, .probe = m25p_probe, .remove = m25p_remove, diff --git a/drivers/mtd/nand/omap_elm.c b/drivers/mtd/nand/omap_elm.c index b4f61c7fc161..058531044ceb 100644 --- a/drivers/mtd/nand/omap_elm.c +++ b/drivers/mtd/nand/omap_elm.c @@ -115,7 +115,7 @@ int elm_config(struct device *dev, enum bch_ecc bch_type, if (!info) { dev_err(dev, "Unable to configure elm - device not probed?\n"); - return -ENODEV; + return -EPROBE_DEFER; } /* ELM cannot detect ECC errors for chunks > 1KB */ if (ecc_step_size > ((ELM_ECC_SIZE + 1) / 2)) { diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c index 8d659a2888d5..d5269a26c839 100644 --- a/drivers/mtd/spi-nor/fsl-quadspi.c +++ b/drivers/mtd/spi-nor/fsl-quadspi.c @@ -881,7 +881,6 @@ static int fsl_qspi_probe(struct platform_device *pdev) /* iterate the subnodes. */ for_each_available_child_of_node(dev->of_node, np) { - const struct spi_device_id *id; char modalias[40]; /* skip the holes */ @@ -909,10 +908,6 @@ static int fsl_qspi_probe(struct platform_device *pdev) if (of_modalias_node(np, modalias, sizeof(modalias)) < 0) goto map_failed; - id = spi_nor_match_id(modalias); - if (!id) - goto map_failed; - ret = of_property_read_u32(np, "spi-max-frequency", &q->clk_rate); if (ret < 0) @@ -921,7 +916,7 @@ static int fsl_qspi_probe(struct platform_device *pdev) /* set the chip address for READID */ fsl_qspi_set_base_addr(q, nor); - ret = spi_nor_scan(nor, id, SPI_NOR_QUAD); + ret = spi_nor_scan(nor, modalias, SPI_NOR_QUAD); if (ret) goto map_failed; diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index ae16aa2f6885..c51ee52386a7 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -28,6 +28,8 @@ #define JEDEC_MFR(_jedec_id) ((_jedec_id) >> 16) +static const struct spi_device_id *spi_nor_match_id(const char *name); + /* * Read the status register, returning its value in the location * Return the status register value. @@ -473,7 +475,7 @@ struct flash_info { * more nor chips. This current list focusses on newer chips, which * have been converging on command sets which including JEDEC ID. */ -const struct spi_device_id spi_nor_ids[] = { +static const struct spi_device_id spi_nor_ids[] = { /* Atmel -- some are (confusingly) marketed as "DataFlash" */ { "at25fs010", INFO(0x1f6601, 0, 32 * 1024, 4, SECT_4K) }, { "at25fs040", INFO(0x1f6604, 0, 64 * 1024, 8, SECT_4K) }, @@ -637,7 +639,6 @@ const struct spi_device_id spi_nor_ids[] = { { "cat25128", CAT25_INFO(2048, 8, 64, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) }, { }, }; -EXPORT_SYMBOL_GPL(spi_nor_ids); static const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor) { @@ -911,9 +912,9 @@ static int spi_nor_check(struct spi_nor *nor) return 0; } -int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, - enum read_mode mode) +int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode) { + const struct spi_device_id *id = NULL; struct flash_info *info; struct device *dev = nor->dev; struct mtd_info *mtd = nor->mtd; @@ -925,6 +926,10 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, if (ret) return ret; + id = spi_nor_match_id(name); + if (!id) + return -ENOENT; + info = (void *)id->driver_data; if (info->jedec_id) { @@ -1113,7 +1118,7 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, } EXPORT_SYMBOL_GPL(spi_nor_scan); -const struct spi_device_id *spi_nor_match_id(char *name) +static const struct spi_device_id *spi_nor_match_id(const char *name) { const struct spi_device_id *id = spi_nor_ids; @@ -1124,7 +1129,6 @@ const struct spi_device_id *spi_nor_match_id(char *name) } return NULL; } -EXPORT_SYMBOL_GPL(spi_nor_match_id); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Huang Shijie "); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 4706386b7d34..f9009be3f307 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -135,6 +135,7 @@ config MACVLAN config MACVTAP tristate "MAC-VLAN based tap driver" depends on MACVLAN + depends on INET help This adds a specialized tap character device driver that is based on the MAC-VLAN network interface, called macvtap. A macvtap device @@ -200,6 +201,7 @@ config RIONET_RX_SIZE config TUN tristate "Universal TUN/TAP device driver support" + depends on INET select CRC32 ---help--- TUN/TAP provides packet reception and transmission for user space diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c index 1020a7af67cf..78d8e876f3aa 100644 --- a/drivers/net/dsa/mv88e6171.c +++ b/drivers/net/dsa/mv88e6171.c @@ -395,7 +395,7 @@ static int mv88e6171_get_sset_count(struct dsa_switch *ds) } struct dsa_switch_driver mv88e6171_switch_driver = { - .tag_protocol = DSA_TAG_PROTO_DSA, + .tag_protocol = DSA_TAG_PROTO_EDSA, .priv_size = sizeof(struct mv88e6xxx_priv_state), .probe = mv88e6171_probe, .setup = mv88e6171_setup, diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 29554992215a..2349ea970255 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1465,7 +1465,7 @@ static int xgbe_set_features(struct net_device *netdev, { struct xgbe_prv_data *pdata = netdev_priv(netdev); struct xgbe_hw_if *hw_if = &pdata->hw_if; - unsigned int rxcsum, rxvlan, rxvlan_filter; + netdev_features_t rxcsum, rxvlan, rxvlan_filter; rxcsum = pdata->netdev_features & NETIF_F_RXCSUM; rxvlan = pdata->netdev_features & NETIF_F_HW_VLAN_CTAG_RX; @@ -1598,7 +1598,8 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) struct skb_shared_hwtstamps *hwtstamps; unsigned int incomplete, error, context_next, context; unsigned int len, put_len, max_len; - int received = 0; + unsigned int received = 0; + int packet_count = 0; DBGPR("-->xgbe_rx_poll: budget=%d\n", budget); @@ -1608,7 +1609,7 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) rdata = XGBE_GET_DESC_DATA(ring, ring->cur); packet = &ring->packet_data; - while (received < budget) { + while (packet_count < budget) { DBGPR(" cur = %d\n", ring->cur); /* First time in loop see if we need to restore state */ @@ -1662,7 +1663,7 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) if (packet->errors) DBGPR("Error in received packet\n"); dev_kfree_skb(skb); - continue; + goto next_packet; } if (!context) { @@ -1677,7 +1678,7 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) } dev_kfree_skb(skb); - continue; + goto next_packet; } memcpy(skb_tail_pointer(skb), rdata->skb->data, put_len); @@ -1694,7 +1695,7 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) /* Stray Context Descriptor? */ if (!skb) - continue; + goto next_packet; /* Be sure we don't exceed the configured MTU */ max_len = netdev->mtu + ETH_HLEN; @@ -1705,7 +1706,7 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) if (skb->len > max_len) { DBGPR("packet length exceeds configured MTU\n"); dev_kfree_skb(skb); - continue; + goto next_packet; } #ifdef XGMAC_ENABLE_RX_PKT_DUMP @@ -1739,6 +1740,9 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) netdev->last_rx = jiffies; napi_gro_receive(&pdata->napi, skb); + +next_packet: + packet_count++; } /* Check if we need to save state before leaving */ @@ -1752,9 +1756,9 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) rdata->state.error = error; } - DBGPR("<--xgbe_rx_poll: received = %d\n", received); + DBGPR("<--xgbe_rx_poll: packet_count = %d\n", packet_count); - return received; + return packet_count; } static int xgbe_poll(struct napi_struct *napi, int budget) diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index 63ea1941e973..7ba83ffb08ac 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -575,10 +575,24 @@ static void xgene_gmac_tx_disable(struct xgene_enet_pdata *pdata) xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data & ~TX_EN); } -static void xgene_enet_reset(struct xgene_enet_pdata *pdata) +bool xgene_ring_mgr_init(struct xgene_enet_pdata *p) +{ + if (!ioread32(p->ring_csr_addr + CLKEN_ADDR)) + return false; + + if (ioread32(p->ring_csr_addr + SRST_ADDR)) + return false; + + return true; +} + +static int xgene_enet_reset(struct xgene_enet_pdata *pdata) { u32 val; + if (!xgene_ring_mgr_init(pdata)) + return -ENODEV; + clk_prepare_enable(pdata->clk); clk_disable_unprepare(pdata->clk); clk_prepare_enable(pdata->clk); @@ -590,6 +604,8 @@ static void xgene_enet_reset(struct xgene_enet_pdata *pdata) val |= SCAN_AUTO_INCR; MGMT_CLOCK_SEL_SET(&val, 1); xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, val); + + return 0; } static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata) diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h index 38558584080e..ec45f3256f0e 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h @@ -104,6 +104,9 @@ enum xgene_enet_rm { #define BLOCK_ETH_MAC_OFFSET 0x0000 #define BLOCK_ETH_MAC_CSR_OFFSET 0x2800 +#define CLKEN_ADDR 0xc208 +#define SRST_ADDR 0xc200 + #define MAC_ADDR_REG_OFFSET 0x00 #define MAC_COMMAND_REG_OFFSET 0x04 #define MAC_WRITE_REG_OFFSET 0x08 @@ -318,6 +321,7 @@ void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring, int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata); void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata); +bool xgene_ring_mgr_init(struct xgene_enet_pdata *p); extern struct xgene_mac_ops xgene_gmac_ops; extern struct xgene_port_ops xgene_gport_ops; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 3c208cc6f6bb..123669696184 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -639,9 +639,9 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev) struct device *dev = ndev_to_dev(ndev); struct xgene_enet_desc_ring *rx_ring, *tx_ring, *cp_ring; struct xgene_enet_desc_ring *buf_pool = NULL; - u8 cpu_bufnum = 0, eth_bufnum = 0; - u8 bp_bufnum = 0x20; - u16 ring_id, ring_num = 0; + u8 cpu_bufnum = 0, eth_bufnum = START_ETH_BUFNUM; + u8 bp_bufnum = START_BP_BUFNUM; + u16 ring_id, ring_num = START_RING_NUM; int ret; /* allocate rx descriptor ring */ @@ -852,7 +852,9 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata) u16 dst_ring_num; int ret; - pdata->port_ops->reset(pdata); + ret = pdata->port_ops->reset(pdata); + if (ret) + return ret; ret = xgene_enet_create_desc_rings(ndev); if (ret) { @@ -954,6 +956,7 @@ static int xgene_enet_probe(struct platform_device *pdev) return ret; err: + unregister_netdev(ndev); free_netdev(ndev); return ret; } diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h index 874e5a01161f..f9958fae6ffd 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h @@ -38,6 +38,9 @@ #define SKB_BUFFER_SIZE (XGENE_ENET_MAX_MTU - NET_IP_ALIGN) #define NUM_PKT_BUF 64 #define NUM_BUFPOOL 32 +#define START_ETH_BUFNUM 2 +#define START_BP_BUFNUM 0x22 +#define START_RING_NUM 8 #define PHY_POLL_LINK_ON (10 * HZ) #define PHY_POLL_LINK_OFF (PHY_POLL_LINK_ON / 5) @@ -83,7 +86,7 @@ struct xgene_mac_ops { }; struct xgene_port_ops { - void (*reset)(struct xgene_enet_pdata *pdata); + int (*reset)(struct xgene_enet_pdata *pdata); void (*cle_bypass)(struct xgene_enet_pdata *pdata, u32 dst_ring_num, u16 bufpool_id); void (*shutdown)(struct xgene_enet_pdata *pdata); diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c index e6d24c210198..f5d4f68c288c 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c @@ -124,20 +124,18 @@ static int xgene_enet_ecc_init(struct xgene_enet_pdata *p) { struct net_device *ndev = p->ndev; u32 data; - int i; + int i = 0; xgene_enet_wr_diag_csr(p, ENET_CFG_MEM_RAM_SHUTDOWN_ADDR, 0); - for (i = 0; i < 10 && data != ~0U ; i++) { + do { usleep_range(100, 110); data = xgene_enet_rd_diag_csr(p, ENET_BLOCK_MEM_RDY_ADDR); - } + if (data == ~0U) + return 0; + } while (++i < 10); - if (data != ~0U) { - netdev_err(ndev, "Failed to release memory from shutdown\n"); - return -ENODEV; - } - - return 0; + netdev_err(ndev, "Failed to release memory from shutdown\n"); + return -ENODEV; } static void xgene_enet_config_ring_if_assoc(struct xgene_enet_pdata *p) @@ -313,14 +311,19 @@ static void xgene_sgmac_tx_disable(struct xgene_enet_pdata *p) xgene_sgmac_rxtx(p, TX_EN, false); } -static void xgene_enet_reset(struct xgene_enet_pdata *p) +static int xgene_enet_reset(struct xgene_enet_pdata *p) { + if (!xgene_ring_mgr_init(p)) + return -ENODEV; + clk_prepare_enable(p->clk); clk_disable_unprepare(p->clk); clk_prepare_enable(p->clk); xgene_enet_ecc_init(p); xgene_enet_config_ring_if_assoc(p); + + return 0; } static void xgene_enet_cle_bypass(struct xgene_enet_pdata *p, diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c index 67d07206b3c7..a18a9d1f1143 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c @@ -252,14 +252,19 @@ static void xgene_xgmac_tx_disable(struct xgene_enet_pdata *pdata) xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data & ~HSTTFEN); } -static void xgene_enet_reset(struct xgene_enet_pdata *pdata) +static int xgene_enet_reset(struct xgene_enet_pdata *pdata) { + if (!xgene_ring_mgr_init(pdata)) + return -ENODEV; + clk_prepare_enable(pdata->clk); clk_disable_unprepare(pdata->clk); clk_prepare_enable(pdata->clk); xgene_enet_ecc_init(pdata); xgene_enet_config_ring_if_assoc(pdata); + + return 0; } static void xgene_enet_xgcle_bypass(struct xgene_enet_pdata *pdata, diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 9ae36979bdee..531bb7c57531 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1110,7 +1110,8 @@ static int bcm_sysport_init_tx_ring(struct bcm_sysport_priv *priv, /* We just need one DMA descriptor which is DMA-able, since writing to * the port will allocate a new descriptor in its internal linked-list */ - p = dma_zalloc_coherent(kdev, 1, &ring->desc_dma, GFP_KERNEL); + p = dma_zalloc_coherent(kdev, sizeof(struct dma_desc), &ring->desc_dma, + GFP_KERNEL); if (!p) { netif_err(priv, hw, priv->netdev, "DMA alloc failed\n"); return -ENOMEM; @@ -1174,6 +1175,13 @@ static void bcm_sysport_fini_tx_ring(struct bcm_sysport_priv *priv, if (!(reg & TDMA_DISABLED)) netdev_warn(priv->netdev, "TDMA not stopped!\n"); + /* ring->cbs is the last part in bcm_sysport_init_tx_ring which could + * fail, so by checking this pointer we know whether the TX ring was + * fully initialized or not. + */ + if (!ring->cbs) + return; + napi_disable(&ring->napi); netif_napi_del(&ring->napi); @@ -1183,7 +1191,8 @@ static void bcm_sysport_fini_tx_ring(struct bcm_sysport_priv *priv, ring->cbs = NULL; if (ring->desc_dma) { - dma_free_coherent(kdev, 1, ring->desc_cpu, ring->desc_dma); + dma_free_coherent(kdev, sizeof(struct dma_desc), + ring->desc_cpu, ring->desc_dma); ring->desc_dma = 0; } ring->size = 0; @@ -1397,6 +1406,9 @@ static void bcm_sysport_netif_start(struct net_device *dev) /* Enable NAPI */ napi_enable(&priv->napi); + /* Enable RX interrupt and TX ring full interrupt */ + intrl2_0_mask_clear(priv, INTRL2_0_RDMA_MBDONE | INTRL2_0_TX_RING_FULL); + phy_start(priv->phydev); /* Enable TX interrupts for the 32 TXQs */ @@ -1499,9 +1511,6 @@ static int bcm_sysport_open(struct net_device *dev) if (ret) goto out_free_rx_ring; - /* Enable RX interrupt and TX ring full interrupt */ - intrl2_0_mask_clear(priv, INTRL2_0_RDMA_MBDONE | INTRL2_0_TX_RING_FULL); - /* Turn on TDMA */ ret = tdma_enable_set(priv, 1); if (ret) @@ -1858,6 +1867,8 @@ static int bcm_sysport_resume(struct device *d) if (!netif_running(dev)) return 0; + umac_reset(priv); + /* We may have been suspended and never received a WOL event that * would turn off MPD detection, take care of that now */ @@ -1885,9 +1896,6 @@ static int bcm_sysport_resume(struct device *d) netif_device_attach(dev); - /* Enable RX interrupt and TX ring full interrupt */ - intrl2_0_mask_clear(priv, INTRL2_0_RDMA_MBDONE | INTRL2_0_TX_RING_FULL); - /* RX pipe enable */ topctrl_writel(priv, 0, RX_FLUSH_CNTL); diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index 23f23c97c2ad..f05fab65d78a 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -382,10 +382,8 @@ static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type, if (l5_cid >= MAX_CM_SK_TBL_SZ) break; - rcu_read_lock(); if (!rcu_access_pointer(cp->ulp_ops[CNIC_ULP_L4])) { rc = -ENODEV; - rcu_read_unlock(); break; } csk = &cp->csk_tbl[l5_cid]; @@ -414,7 +412,6 @@ static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type, } } csk_put(csk); - rcu_read_unlock(); rc = 0; } } @@ -615,7 +612,7 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type) cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL); mutex_lock(&cnic_lock); - if (rcu_dereference(cp->ulp_ops[ulp_type])) { + if (rcu_access_pointer(cp->ulp_ops[ulp_type])) { RCU_INIT_POINTER(cp->ulp_ops[ulp_type], NULL); cnic_put(dev); } else { diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index fdc9ec09e453..da1a2500c91c 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2140,6 +2140,12 @@ static int bcmgenet_open(struct net_device *dev) goto err_irq0; } + /* Re-configure the port multiplexer towards the PHY device */ + bcmgenet_mii_config(priv->dev, false); + + phy_connect_direct(dev, priv->phydev, bcmgenet_mii_setup, + priv->phy_interface); + bcmgenet_netif_start(dev); return 0; @@ -2184,6 +2190,9 @@ static int bcmgenet_close(struct net_device *dev) bcmgenet_netif_stop(dev); + /* Really kill the PHY state machine and disconnect from it */ + phy_disconnect(priv->phydev); + /* Disable MAC receive */ umac_enable_set(priv, CMD_RX_EN, false); @@ -2685,7 +2694,7 @@ static int bcmgenet_resume(struct device *d) phy_init_hw(priv->phydev); /* Speed settings must be restored */ - bcmgenet_mii_config(priv->dev); + bcmgenet_mii_config(priv->dev, false); /* disable ethernet MAC while updating its registers */ umac_enable_set(priv, CMD_TX_EN | CMD_RX_EN, false); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index dbf524ea3b19..31b2da5f9b82 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -617,9 +617,10 @@ GENET_IO_MACRO(rbuf, GENET_RBUF_OFF); /* MDIO routines */ int bcmgenet_mii_init(struct net_device *dev); -int bcmgenet_mii_config(struct net_device *dev); +int bcmgenet_mii_config(struct net_device *dev, bool init); void bcmgenet_mii_exit(struct net_device *dev); void bcmgenet_mii_reset(struct net_device *dev); +void bcmgenet_mii_setup(struct net_device *dev); /* Wake-on-LAN routines */ void bcmgenet_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol); diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 9ff799a9f801..933cd7e7cd33 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -77,7 +77,7 @@ static int bcmgenet_mii_write(struct mii_bus *bus, int phy_id, /* setup netdev link state when PHY link status change and * update UMAC and RGMII block when link up */ -static void bcmgenet_mii_setup(struct net_device *dev) +void bcmgenet_mii_setup(struct net_device *dev) { struct bcmgenet_priv *priv = netdev_priv(dev); struct phy_device *phydev = priv->phydev; @@ -211,7 +211,7 @@ static void bcmgenet_moca_phy_setup(struct bcmgenet_priv *priv) bcmgenet_sys_writel(priv, reg, SYS_PORT_CTRL); } -int bcmgenet_mii_config(struct net_device *dev) +int bcmgenet_mii_config(struct net_device *dev, bool init) { struct bcmgenet_priv *priv = netdev_priv(dev); struct phy_device *phydev = priv->phydev; @@ -298,7 +298,8 @@ int bcmgenet_mii_config(struct net_device *dev) return -EINVAL; } - dev_info(kdev, "configuring instance for %s\n", phy_name); + if (init) + dev_info(kdev, "configuring instance for %s\n", phy_name); return 0; } @@ -350,7 +351,7 @@ static int bcmgenet_mii_probe(struct net_device *dev) * PHY speed which is needed for bcmgenet_mii_config() to configure * things appropriately. */ - ret = bcmgenet_mii_config(dev); + ret = bcmgenet_mii_config(dev, true); if (ret) { phy_disconnect(priv->phydev); return ret; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c index 8edf0f5bd679..cca604994003 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c @@ -60,6 +60,43 @@ void cxgb4_dcb_version_init(struct net_device *dev) dcb->dcb_version = FW_PORT_DCB_VER_AUTO; } +static void cxgb4_dcb_cleanup_apps(struct net_device *dev) +{ + struct port_info *pi = netdev2pinfo(dev); + struct adapter *adap = pi->adapter; + struct port_dcb_info *dcb = &pi->dcb; + struct dcb_app app; + int i, err; + + /* zero priority implies remove */ + app.priority = 0; + + for (i = 0; i < CXGB4_MAX_DCBX_APP_SUPPORTED; i++) { + /* Check if app list is exhausted */ + if (!dcb->app_priority[i].protocolid) + break; + + app.protocol = dcb->app_priority[i].protocolid; + + if (dcb->dcb_version == FW_PORT_DCB_VER_IEEE) { + app.priority = dcb->app_priority[i].user_prio_map; + app.selector = dcb->app_priority[i].sel_field + 1; + err = dcb_ieee_delapp(dev, &app); + } else { + app.selector = !!(dcb->app_priority[i].sel_field); + err = dcb_setapp(dev, &app); + } + + if (err) { + dev_err(adap->pdev_dev, + "Failed DCB Clear %s Application Priority: sel=%d, prot=%d, , err=%d\n", + dcb_ver_array[dcb->dcb_version], app.selector, + app.protocol, -err); + break; + } + } +} + /* Finite State machine for Data Center Bridging. */ void cxgb4_dcb_state_fsm(struct net_device *dev, @@ -80,14 +117,17 @@ void cxgb4_dcb_state_fsm(struct net_device *dev, /* we're going to use Host DCB */ dcb->state = CXGB4_DCB_STATE_HOST; dcb->supported = CXGB4_DCBX_HOST_SUPPORT; - dcb->enabled = 1; break; } case CXGB4_DCB_INPUT_FW_ENABLED: { /* we're going to use Firmware DCB */ dcb->state = CXGB4_DCB_STATE_FW_INCOMPLETE; - dcb->supported = CXGB4_DCBX_FW_SUPPORT; + dcb->supported = DCB_CAP_DCBX_LLD_MANAGED; + if (dcb->dcb_version == FW_PORT_DCB_VER_IEEE) + dcb->supported |= DCB_CAP_DCBX_VER_IEEE; + else + dcb->supported |= DCB_CAP_DCBX_VER_CEE; break; } @@ -145,6 +185,7 @@ void cxgb4_dcb_state_fsm(struct net_device *dev, * state. We need to reset back to a ground state * of incomplete. */ + cxgb4_dcb_cleanup_apps(dev); cxgb4_dcb_state_init(dev); dcb->state = CXGB4_DCB_STATE_FW_INCOMPLETE; dcb->supported = CXGB4_DCBX_FW_SUPPORT; @@ -349,6 +390,12 @@ static u8 cxgb4_setstate(struct net_device *dev, u8 enabled) { struct port_info *pi = netdev2pinfo(dev); + /* If DCBx is host-managed, dcb is enabled by outside lldp agents */ + if (pi->dcb.state == CXGB4_DCB_STATE_HOST) { + pi->dcb.enabled = enabled; + return 0; + } + /* Firmware doesn't provide any mechanism to control the DCB state. */ if (enabled != (pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED)) @@ -394,14 +441,17 @@ static void cxgb4_getpgtccfg(struct net_device *dev, int tc, *up_tc_map = (1 << tc); /* prio_type is link strict */ - *prio_type = 0x2; + if (*pgid != 0xF) + *prio_type = 0x2; } static void cxgb4_getpgtccfg_tx(struct net_device *dev, int tc, u8 *prio_type, u8 *pgid, u8 *bw_per, u8 *up_tc_map) { - return cxgb4_getpgtccfg(dev, tc, prio_type, pgid, bw_per, up_tc_map, 1); + /* tc 0 is written at MSB position */ + return cxgb4_getpgtccfg(dev, (7 - tc), prio_type, pgid, bw_per, + up_tc_map, 1); } @@ -409,7 +459,9 @@ static void cxgb4_getpgtccfg_rx(struct net_device *dev, int tc, u8 *prio_type, u8 *pgid, u8 *bw_per, u8 *up_tc_map) { - return cxgb4_getpgtccfg(dev, tc, prio_type, pgid, bw_per, up_tc_map, 0); + /* tc 0 is written at MSB position */ + return cxgb4_getpgtccfg(dev, (7 - tc), prio_type, pgid, bw_per, + up_tc_map, 0); } static void cxgb4_setpgtccfg_tx(struct net_device *dev, int tc, @@ -419,6 +471,7 @@ static void cxgb4_setpgtccfg_tx(struct net_device *dev, int tc, struct fw_port_cmd pcmd; struct port_info *pi = netdev2pinfo(dev); struct adapter *adap = pi->adapter; + int fw_tc = 7 - tc; u32 _pgid; int err; @@ -437,8 +490,8 @@ static void cxgb4_setpgtccfg_tx(struct net_device *dev, int tc, } _pgid = be32_to_cpu(pcmd.u.dcb.pgid.pgid); - _pgid &= ~(0xF << (tc * 4)); - _pgid |= pgid << (tc * 4); + _pgid &= ~(0xF << (fw_tc * 4)); + _pgid |= pgid << (fw_tc * 4); pcmd.u.dcb.pgid.pgid = cpu_to_be32(_pgid); INIT_PORT_DCB_WRITE_CMD(pcmd, pi->port_id); @@ -551,7 +604,7 @@ static void cxgb4_getpfccfg(struct net_device *dev, int priority, u8 *pfccfg) priority >= CXGB4_MAX_PRIORITY) *pfccfg = 0; else - *pfccfg = (pi->dcb.pfcen >> priority) & 1; + *pfccfg = (pi->dcb.pfcen >> (7 - priority)) & 1; } /* Enable/disable Priority Pause Frames for the specified Traffic Class @@ -576,9 +629,9 @@ static void cxgb4_setpfccfg(struct net_device *dev, int priority, u8 pfccfg) pcmd.u.dcb.pfc.pfcen = pi->dcb.pfcen; if (pfccfg) - pcmd.u.dcb.pfc.pfcen |= (1 << priority); + pcmd.u.dcb.pfc.pfcen |= (1 << (7 - priority)); else - pcmd.u.dcb.pfc.pfcen &= (~(1 << priority)); + pcmd.u.dcb.pfc.pfcen &= (~(1 << (7 - priority))); err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd); if (err != FW_PORT_DCB_CFG_SUCCESS) { @@ -833,11 +886,16 @@ static int cxgb4_setapp(struct net_device *dev, u8 app_idtype, u16 app_id, /* Return whether IEEE Data Center Bridging has been negotiated. */ -static inline int cxgb4_ieee_negotiation_complete(struct net_device *dev) +static inline int +cxgb4_ieee_negotiation_complete(struct net_device *dev, + enum cxgb4_dcb_fw_msgs dcb_subtype) { struct port_info *pi = netdev2pinfo(dev); struct port_dcb_info *dcb = &pi->dcb; + if (dcb_subtype && !(dcb->msgs & dcb_subtype)) + return 0; + return (dcb->state == CXGB4_DCB_STATE_FW_ALLSYNCED && (dcb->supported & DCB_CAP_DCBX_VER_IEEE)); } @@ -850,7 +908,7 @@ static int cxgb4_ieee_getapp(struct net_device *dev, struct dcb_app *app) { int prio; - if (!cxgb4_ieee_negotiation_complete(dev)) + if (!cxgb4_ieee_negotiation_complete(dev, CXGB4_DCB_FW_APP_ID)) return -EINVAL; if (!(app->selector && app->protocol)) return -EINVAL; @@ -872,7 +930,7 @@ static int cxgb4_ieee_setapp(struct net_device *dev, struct dcb_app *app) { int ret; - if (!cxgb4_ieee_negotiation_complete(dev)) + if (!cxgb4_ieee_negotiation_complete(dev, CXGB4_DCB_FW_APP_ID)) return -EINVAL; if (!(app->selector && app->protocol)) return -EINVAL; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 3f60070f2519..8520d5529df8 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -694,7 +694,11 @@ int cxgb4_dcb_enabled(const struct net_device *dev) #ifdef CONFIG_CHELSIO_T4_DCB struct port_info *pi = netdev_priv(dev); - return pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED; + if (!pi->dcb.enabled) + return 0; + + return ((pi->dcb.state == CXGB4_DCB_STATE_FW_ALLSYNCED) || + (pi->dcb.state == CXGB4_DCB_STATE_HOST)); #else return 0; #endif @@ -6610,6 +6614,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) spin_lock_init(&adapter->stats_lock); spin_lock_init(&adapter->tid_release_lock); + spin_lock_init(&adapter->win0_lock); INIT_WORK(&adapter->tid_release_task, process_tid_release_list); INIT_WORK(&adapter->db_full_task, process_db_full); diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 5e1b314e11af..39f2b13e66c7 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2914,7 +2914,8 @@ static int t4_sge_init_hard(struct adapter *adap) int t4_sge_init(struct adapter *adap) { struct sge *s = &adap->sge; - u32 sge_control, sge_conm_ctrl; + u32 sge_control, sge_control2, sge_conm_ctrl; + unsigned int ingpadboundary, ingpackboundary; int ret, egress_threshold; /* @@ -2924,8 +2925,31 @@ int t4_sge_init(struct adapter *adap) sge_control = t4_read_reg(adap, SGE_CONTROL); s->pktshift = PKTSHIFT_GET(sge_control); s->stat_len = (sge_control & EGRSTATUSPAGESIZE_MASK) ? 128 : 64; - s->fl_align = 1 << (INGPADBOUNDARY_GET(sge_control) + - X_INGPADBOUNDARY_SHIFT); + + /* T4 uses a single control field to specify both the PCIe Padding and + * Packing Boundary. T5 introduced the ability to specify these + * separately. The actual Ingress Packet Data alignment boundary + * within Packed Buffer Mode is the maximum of these two + * specifications. + */ + ingpadboundary = 1 << (INGPADBOUNDARY_GET(sge_control) + + X_INGPADBOUNDARY_SHIFT); + if (is_t4(adap->params.chip)) { + s->fl_align = ingpadboundary; + } else { + /* T5 has a different interpretation of one of the PCIe Packing + * Boundary values. + */ + sge_control2 = t4_read_reg(adap, SGE_CONTROL2_A); + ingpackboundary = INGPACKBOUNDARY_G(sge_control2); + if (ingpackboundary == INGPACKBOUNDARY_16B_X) + ingpackboundary = 16; + else + ingpackboundary = 1 << (ingpackboundary + + INGPACKBOUNDARY_SHIFT_X); + + s->fl_align = max(ingpadboundary, ingpackboundary); + } if (adap->flags & USING_SOFT_PARAMS) ret = t4_sge_init_soft(adap); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index a9d9d74e4f09..163a2a14948c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3129,12 +3129,51 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, HOSTPAGESIZEPF6(sge_hps) | HOSTPAGESIZEPF7(sge_hps)); - t4_set_reg_field(adap, SGE_CONTROL, - INGPADBOUNDARY_MASK | - EGRSTATUSPAGESIZE_MASK, - INGPADBOUNDARY(fl_align_log - 5) | - EGRSTATUSPAGESIZE(stat_len != 64)); - + if (is_t4(adap->params.chip)) { + t4_set_reg_field(adap, SGE_CONTROL, + INGPADBOUNDARY_MASK | + EGRSTATUSPAGESIZE_MASK, + INGPADBOUNDARY(fl_align_log - 5) | + EGRSTATUSPAGESIZE(stat_len != 64)); + } else { + /* T5 introduced the separation of the Free List Padding and + * Packing Boundaries. Thus, we can select a smaller Padding + * Boundary to avoid uselessly chewing up PCIe Link and Memory + * Bandwidth, and use a Packing Boundary which is large enough + * to avoid false sharing between CPUs, etc. + * + * For the PCI Link, the smaller the Padding Boundary the + * better. For the Memory Controller, a smaller Padding + * Boundary is better until we cross under the Memory Line + * Size (the minimum unit of transfer to/from Memory). If we + * have a Padding Boundary which is smaller than the Memory + * Line Size, that'll involve a Read-Modify-Write cycle on the + * Memory Controller which is never good. For T5 the smallest + * Padding Boundary which we can select is 32 bytes which is + * larger than any known Memory Controller Line Size so we'll + * use that. + * + * T5 has a different interpretation of the "0" value for the + * Packing Boundary. This corresponds to 16 bytes instead of + * the expected 32 bytes. We never have a Packing Boundary + * less than 32 bytes so we can't use that special value but + * on the other hand, if we wanted 32 bytes, the best we can + * really do is 64 bytes. + */ + if (fl_align <= 32) { + fl_align = 64; + fl_align_log = 6; + } + t4_set_reg_field(adap, SGE_CONTROL, + INGPADBOUNDARY_MASK | + EGRSTATUSPAGESIZE_MASK, + INGPADBOUNDARY(INGPCIEBOUNDARY_32B_X) | + EGRSTATUSPAGESIZE(stat_len != 64)); + t4_set_reg_field(adap, SGE_CONTROL2_A, + INGPACKBOUNDARY_V(INGPACKBOUNDARY_M), + INGPACKBOUNDARY_V(fl_align_log - + INGPACKBOUNDARY_SHIFT_X)); + } /* * Adjust various SGE Free List Host Buffer Sizes. * diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h index a1024db5dc13..8d2de1006b08 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h @@ -95,6 +95,7 @@ #define X_INGPADBOUNDARY_SHIFT 5 #define SGE_CONTROL 0x1008 +#define SGE_CONTROL2_A 0x1124 #define DCASYSTYPE 0x00080000U #define RXPKTCPLMODE_MASK 0x00040000U #define RXPKTCPLMODE_SHIFT 18 @@ -106,6 +107,7 @@ #define PKTSHIFT_SHIFT 10 #define PKTSHIFT(x) ((x) << PKTSHIFT_SHIFT) #define PKTSHIFT_GET(x) (((x) & PKTSHIFT_MASK) >> PKTSHIFT_SHIFT) +#define INGPCIEBOUNDARY_32B_X 0 #define INGPCIEBOUNDARY_MASK 0x00000380U #define INGPCIEBOUNDARY_SHIFT 7 #define INGPCIEBOUNDARY(x) ((x) << INGPCIEBOUNDARY_SHIFT) @@ -114,6 +116,14 @@ #define INGPADBOUNDARY(x) ((x) << INGPADBOUNDARY_SHIFT) #define INGPADBOUNDARY_GET(x) (((x) & INGPADBOUNDARY_MASK) \ >> INGPADBOUNDARY_SHIFT) +#define INGPACKBOUNDARY_16B_X 0 +#define INGPACKBOUNDARY_SHIFT_X 5 + +#define INGPACKBOUNDARY_S 16 +#define INGPACKBOUNDARY_M 0x7U +#define INGPACKBOUNDARY_V(x) ((x) << INGPACKBOUNDARY_S) +#define INGPACKBOUNDARY_G(x) (((x) >> INGPACKBOUNDARY_S) \ + & INGPACKBOUNDARY_M) #define EGRPCIEBOUNDARY_MASK 0x0000000eU #define EGRPCIEBOUNDARY_SHIFT 1 #define EGRPCIEBOUNDARY(x) ((x) << EGRPCIEBOUNDARY_SHIFT) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h index 68eaa9c88c7d..3d06e77d7121 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h @@ -299,6 +299,14 @@ struct sge { u16 timer_val[SGE_NTIMERS]; /* interrupt holdoff timer array */ u8 counter_val[SGE_NCOUNTERS]; /* interrupt RX threshold array */ + /* Decoded Adapter Parameters. + */ + u32 fl_pg_order; /* large page allocation size */ + u32 stat_len; /* length of status page at ring end */ + u32 pktshift; /* padding between CPL & packet data */ + u32 fl_align; /* response queue message alignment */ + u32 fl_starve_thres; /* Free List starvation threshold */ + /* * Reverse maps from Absolute Queue IDs to associated queue pointers. * The absolute Queue IDs are in a compact range which start at a diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index bfa398d91826..0b42bddaf284 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -2929,14 +2929,14 @@ static const struct pci_device_id cxgb4vf_pci_tbl[] = { CH_DEVICE(0x480d), /* T480-cr */ CH_DEVICE(0x480e), /* T440-lp-cr */ CH_DEVICE(0x4880), - CH_DEVICE(0x4880), - CH_DEVICE(0x4880), - CH_DEVICE(0x4880), - CH_DEVICE(0x4880), - CH_DEVICE(0x4880), - CH_DEVICE(0x4880), - CH_DEVICE(0x4880), - CH_DEVICE(0x4880), + CH_DEVICE(0x4881), + CH_DEVICE(0x4882), + CH_DEVICE(0x4883), + CH_DEVICE(0x4884), + CH_DEVICE(0x4885), + CH_DEVICE(0x4886), + CH_DEVICE(0x4887), + CH_DEVICE(0x4888), CH_DEVICE(0x5801), /* T520-cr */ CH_DEVICE(0x5802), /* T522-cr */ CH_DEVICE(0x5803), /* T540-cr */ diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index 85036e6b42c4..fdd078d7d82c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -50,14 +50,6 @@ #include "../cxgb4/t4fw_api.h" #include "../cxgb4/t4_msg.h" -/* - * Decoded Adapter Parameters. - */ -static u32 FL_PG_ORDER; /* large page allocation size */ -static u32 STAT_LEN; /* length of status page at ring end */ -static u32 PKTSHIFT; /* padding between CPL and packet data */ -static u32 FL_ALIGN; /* response queue message alignment */ - /* * Constants ... */ @@ -101,12 +93,6 @@ enum { TX_QCHECK_PERIOD = (HZ / 2), MAX_TIMER_TX_RECLAIM = 100, - /* - * An FL with <= FL_STARVE_THRES buffers is starving and a periodic - * timer will attempt to refill it. - */ - FL_STARVE_THRES = 4, - /* * Suspend an Ethernet TX queue with fewer available descriptors than * this. We always want to have room for a maximum sized packet: @@ -264,15 +250,19 @@ static inline unsigned int fl_cap(const struct sge_fl *fl) /** * fl_starving - return whether a Free List is starving. + * @adapter: pointer to the adapter * @fl: the Free List * * Tests specified Free List to see whether the number of buffers * available to the hardware has falled below our "starvation" * threshold. */ -static inline bool fl_starving(const struct sge_fl *fl) +static inline bool fl_starving(const struct adapter *adapter, + const struct sge_fl *fl) { - return fl->avail - fl->pend_cred <= FL_STARVE_THRES; + const struct sge *s = &adapter->sge; + + return fl->avail - fl->pend_cred <= s->fl_starve_thres; } /** @@ -457,13 +447,16 @@ static inline void reclaim_completed_tx(struct adapter *adapter, /** * get_buf_size - return the size of an RX Free List buffer. + * @adapter: pointer to the associated adapter * @sdesc: pointer to the software buffer descriptor */ -static inline int get_buf_size(const struct rx_sw_desc *sdesc) +static inline int get_buf_size(const struct adapter *adapter, + const struct rx_sw_desc *sdesc) { - return FL_PG_ORDER > 0 && (sdesc->dma_addr & RX_LARGE_BUF) - ? (PAGE_SIZE << FL_PG_ORDER) - : PAGE_SIZE; + const struct sge *s = &adapter->sge; + + return (s->fl_pg_order > 0 && (sdesc->dma_addr & RX_LARGE_BUF) + ? (PAGE_SIZE << s->fl_pg_order) : PAGE_SIZE); } /** @@ -483,7 +476,8 @@ static void free_rx_bufs(struct adapter *adapter, struct sge_fl *fl, int n) if (is_buf_mapped(sdesc)) dma_unmap_page(adapter->pdev_dev, get_buf_addr(sdesc), - get_buf_size(sdesc), PCI_DMA_FROMDEVICE); + get_buf_size(adapter, sdesc), + PCI_DMA_FROMDEVICE); put_page(sdesc->page); sdesc->page = NULL; if (++fl->cidx == fl->size) @@ -511,7 +505,8 @@ static void unmap_rx_buf(struct adapter *adapter, struct sge_fl *fl) if (is_buf_mapped(sdesc)) dma_unmap_page(adapter->pdev_dev, get_buf_addr(sdesc), - get_buf_size(sdesc), PCI_DMA_FROMDEVICE); + get_buf_size(adapter, sdesc), + PCI_DMA_FROMDEVICE); sdesc->page = NULL; if (++fl->cidx == fl->size) fl->cidx = 0; @@ -589,6 +584,7 @@ static inline void poison_buf(struct page *page, size_t sz) static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, int n, gfp_t gfp) { + struct sge *s = &adapter->sge; struct page *page; dma_addr_t dma_addr; unsigned int cred = fl->avail; @@ -608,12 +604,12 @@ static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, * If we don't support large pages, drop directly into the small page * allocation code. */ - if (FL_PG_ORDER == 0) + if (s->fl_pg_order == 0) goto alloc_small_pages; while (n) { page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN, - FL_PG_ORDER); + s->fl_pg_order); if (unlikely(!page)) { /* * We've failed inour attempt to allocate a "large @@ -623,10 +619,10 @@ static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, fl->large_alloc_failed++; break; } - poison_buf(page, PAGE_SIZE << FL_PG_ORDER); + poison_buf(page, PAGE_SIZE << s->fl_pg_order); dma_addr = dma_map_page(adapter->pdev_dev, page, 0, - PAGE_SIZE << FL_PG_ORDER, + PAGE_SIZE << s->fl_pg_order, PCI_DMA_FROMDEVICE); if (unlikely(dma_mapping_error(adapter->pdev_dev, dma_addr))) { /* @@ -637,7 +633,7 @@ static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, * because DMA mapping resources are typically * critical resources once they become scarse. */ - __free_pages(page, FL_PG_ORDER); + __free_pages(page, s->fl_pg_order); goto out; } dma_addr |= RX_LARGE_BUF; @@ -693,7 +689,7 @@ static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, fl->pend_cred += cred; ring_fl_db(adapter, fl); - if (unlikely(fl_starving(fl))) { + if (unlikely(fl_starving(adapter, fl))) { smp_wmb(); set_bit(fl->cntxt_id, adapter->sge.starving_fl); } @@ -1468,6 +1464,8 @@ static void t4vf_pktgl_free(const struct pkt_gl *gl) static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl, const struct cpl_rx_pkt *pkt) { + struct adapter *adapter = rxq->rspq.adapter; + struct sge *s = &adapter->sge; int ret; struct sk_buff *skb; @@ -1478,8 +1476,8 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl, return; } - copy_frags(skb, gl, PKTSHIFT); - skb->len = gl->tot_len - PKTSHIFT; + copy_frags(skb, gl, s->pktshift); + skb->len = gl->tot_len - s->pktshift; skb->data_len = skb->len; skb->truesize += skb->data_len; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -1516,6 +1514,8 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, bool csum_ok = pkt->csum_calc && !pkt->err_vec && (rspq->netdev->features & NETIF_F_RXCSUM); struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq); + struct adapter *adapter = rspq->adapter; + struct sge *s = &adapter->sge; /* * If this is a good TCP packet and we have Generic Receive Offload @@ -1537,7 +1537,7 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, rxq->stats.rx_drops++; return 0; } - __skb_pull(skb, PKTSHIFT); + __skb_pull(skb, s->pktshift); skb->protocol = eth_type_trans(skb, rspq->netdev); skb_record_rx_queue(skb, rspq->idx); rxq->stats.pkts++; @@ -1648,6 +1648,8 @@ static inline void rspq_next(struct sge_rspq *rspq) static int process_responses(struct sge_rspq *rspq, int budget) { struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq); + struct adapter *adapter = rspq->adapter; + struct sge *s = &adapter->sge; int budget_left = budget; while (likely(budget_left)) { @@ -1697,7 +1699,7 @@ static int process_responses(struct sge_rspq *rspq, int budget) BUG_ON(frag >= MAX_SKB_FRAGS); BUG_ON(rxq->fl.avail == 0); sdesc = &rxq->fl.sdesc[rxq->fl.cidx]; - bufsz = get_buf_size(sdesc); + bufsz = get_buf_size(adapter, sdesc); fp->page = sdesc->page; fp->offset = rspq->offset; fp->size = min(bufsz, len); @@ -1726,7 +1728,7 @@ static int process_responses(struct sge_rspq *rspq, int budget) */ ret = rspq->handler(rspq, rspq->cur_desc, &gl); if (likely(ret == 0)) - rspq->offset += ALIGN(fp->size, FL_ALIGN); + rspq->offset += ALIGN(fp->size, s->fl_align); else restore_rx_bufs(&gl, &rxq->fl, frag); } else if (likely(rsp_type == RSP_TYPE_CPL)) { @@ -1963,7 +1965,7 @@ static void sge_rx_timer_cb(unsigned long data) * schedule napi but the FL is no longer starving. * No biggie. */ - if (fl_starving(fl)) { + if (fl_starving(adapter, fl)) { struct sge_eth_rxq *rxq; rxq = container_of(fl, struct sge_eth_rxq, fl); @@ -2047,6 +2049,7 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq, int intr_dest, struct sge_fl *fl, rspq_handler_t hnd) { + struct sge *s = &adapter->sge; struct port_info *pi = netdev_priv(dev); struct fw_iq_cmd cmd, rpl; int ret, iqandst, flsz = 0; @@ -2117,7 +2120,7 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq, fl->size = roundup(fl->size, FL_PER_EQ_UNIT); fl->desc = alloc_ring(adapter->pdev_dev, fl->size, sizeof(__be64), sizeof(struct rx_sw_desc), - &fl->addr, &fl->sdesc, STAT_LEN); + &fl->addr, &fl->sdesc, s->stat_len); if (!fl->desc) { ret = -ENOMEM; goto err; @@ -2129,7 +2132,7 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq, * free list ring) in Egress Queue Units. */ flsz = (fl->size / FL_PER_EQ_UNIT + - STAT_LEN / EQ_UNIT); + s->stat_len / EQ_UNIT); /* * Fill in all the relevant firmware Ingress Queue Command @@ -2217,6 +2220,7 @@ int t4vf_sge_alloc_eth_txq(struct adapter *adapter, struct sge_eth_txq *txq, struct net_device *dev, struct netdev_queue *devq, unsigned int iqid) { + struct sge *s = &adapter->sge; int ret, nentries; struct fw_eq_eth_cmd cmd, rpl; struct port_info *pi = netdev_priv(dev); @@ -2225,7 +2229,7 @@ int t4vf_sge_alloc_eth_txq(struct adapter *adapter, struct sge_eth_txq *txq, * Calculate the size of the hardware TX Queue (including the Status * Page on the end of the TX Queue) in units of TX Descriptors. */ - nentries = txq->q.size + STAT_LEN / sizeof(struct tx_desc); + nentries = txq->q.size + s->stat_len / sizeof(struct tx_desc); /* * Allocate the hardware ring for the TX ring (with space for its @@ -2234,7 +2238,7 @@ int t4vf_sge_alloc_eth_txq(struct adapter *adapter, struct sge_eth_txq *txq, txq->q.desc = alloc_ring(adapter->pdev_dev, txq->q.size, sizeof(struct tx_desc), sizeof(struct tx_sw_desc), - &txq->q.phys_addr, &txq->q.sdesc, STAT_LEN); + &txq->q.phys_addr, &txq->q.sdesc, s->stat_len); if (!txq->q.desc) return -ENOMEM; @@ -2307,8 +2311,10 @@ int t4vf_sge_alloc_eth_txq(struct adapter *adapter, struct sge_eth_txq *txq, */ static void free_txq(struct adapter *adapter, struct sge_txq *tq) { + struct sge *s = &adapter->sge; + dma_free_coherent(adapter->pdev_dev, - tq->size * sizeof(*tq->desc) + STAT_LEN, + tq->size * sizeof(*tq->desc) + s->stat_len, tq->desc, tq->phys_addr); tq->cntxt_id = 0; tq->sdesc = NULL; @@ -2322,6 +2328,7 @@ static void free_txq(struct adapter *adapter, struct sge_txq *tq) static void free_rspq_fl(struct adapter *adapter, struct sge_rspq *rspq, struct sge_fl *fl) { + struct sge *s = &adapter->sge; unsigned int flid = fl ? fl->cntxt_id : 0xffff; t4vf_iq_free(adapter, FW_IQ_TYPE_FL_INT_CAP, @@ -2337,7 +2344,7 @@ static void free_rspq_fl(struct adapter *adapter, struct sge_rspq *rspq, if (fl) { free_rx_bufs(adapter, fl, fl->avail); dma_free_coherent(adapter->pdev_dev, - fl->size * sizeof(*fl->desc) + STAT_LEN, + fl->size * sizeof(*fl->desc) + s->stat_len, fl->desc, fl->addr); kfree(fl->sdesc); fl->sdesc = NULL; @@ -2423,6 +2430,7 @@ int t4vf_sge_init(struct adapter *adapter) u32 fl0 = sge_params->sge_fl_buffer_size[0]; u32 fl1 = sge_params->sge_fl_buffer_size[1]; struct sge *s = &adapter->sge; + unsigned int ingpadboundary, ingpackboundary; /* * Start by vetting the basic SGE parameters which have been set up by @@ -2443,12 +2451,48 @@ int t4vf_sge_init(struct adapter *adapter) * Now translate the adapter parameters into our internal forms. */ if (fl1) - FL_PG_ORDER = ilog2(fl1) - PAGE_SHIFT; - STAT_LEN = ((sge_params->sge_control & EGRSTATUSPAGESIZE_MASK) - ? 128 : 64); - PKTSHIFT = PKTSHIFT_GET(sge_params->sge_control); - FL_ALIGN = 1 << (INGPADBOUNDARY_GET(sge_params->sge_control) + - SGE_INGPADBOUNDARY_SHIFT); + s->fl_pg_order = ilog2(fl1) - PAGE_SHIFT; + s->stat_len = ((sge_params->sge_control & EGRSTATUSPAGESIZE_MASK) + ? 128 : 64); + s->pktshift = PKTSHIFT_GET(sge_params->sge_control); + + /* T4 uses a single control field to specify both the PCIe Padding and + * Packing Boundary. T5 introduced the ability to specify these + * separately. The actual Ingress Packet Data alignment boundary + * within Packed Buffer Mode is the maximum of these two + * specifications. (Note that it makes no real practical sense to + * have the Pading Boudary be larger than the Packing Boundary but you + * could set the chip up that way and, in fact, legacy T4 code would + * end doing this because it would initialize the Padding Boundary and + * leave the Packing Boundary initialized to 0 (16 bytes).) + */ + ingpadboundary = 1 << (INGPADBOUNDARY_GET(sge_params->sge_control) + + X_INGPADBOUNDARY_SHIFT); + if (is_t4(adapter->params.chip)) { + s->fl_align = ingpadboundary; + } else { + /* T5 has a different interpretation of one of the PCIe Packing + * Boundary values. + */ + ingpackboundary = INGPACKBOUNDARY_G(sge_params->sge_control2); + if (ingpackboundary == INGPACKBOUNDARY_16B_X) + ingpackboundary = 16; + else + ingpackboundary = 1 << (ingpackboundary + + INGPACKBOUNDARY_SHIFT_X); + + s->fl_align = max(ingpadboundary, ingpackboundary); + } + + /* A FL with <= fl_starve_thres buffers is starving and a periodic + * timer will attempt to refill it. This needs to be larger than the + * SGE's Egress Congestion Threshold. If it isn't, then we can get + * stuck waiting for new packets while the SGE is waiting for us to + * give it more Free List entries. (Note that the SGE's Egress + * Congestion Threshold is in units of 2 Free List pointers.) + */ + s->fl_starve_thres + = EGRTHRESHOLD_GET(sge_params->sge_congestion_control)*2 + 1; /* * Set up tasklet timers. diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h index 95df61dcb4ce..4b6a6d14d86d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h @@ -134,11 +134,13 @@ struct dev_params { */ struct sge_params { u32 sge_control; /* padding, boundaries, lengths, etc. */ + u32 sge_control2; /* T5: more of the same */ u32 sge_host_page_size; /* RDMA page sizes */ u32 sge_queues_per_page; /* RDMA queues/page */ u32 sge_user_mode_limits; /* limits for BAR2 user mode accesses */ u32 sge_fl_buffer_size[16]; /* free list buffer sizes */ u32 sge_ingress_rx_threshold; /* RX counter interrupt threshold[4] */ + u32 sge_congestion_control; /* congestion thresholds, etc. */ u32 sge_timer_value_0_and_1; /* interrupt coalescing timer values */ u32 sge_timer_value_2_and_3; u32 sge_timer_value_4_and_5; diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c index e984fdc48ba2..1e896b923234 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c @@ -468,12 +468,38 @@ int t4vf_get_sge_params(struct adapter *adapter) sge_params->sge_timer_value_2_and_3 = vals[5]; sge_params->sge_timer_value_4_and_5 = vals[6]; + /* T4 uses a single control field to specify both the PCIe Padding and + * Packing Boundary. T5 introduced the ability to specify these + * separately with the Padding Boundary in SGE_CONTROL and and Packing + * Boundary in SGE_CONTROL2. So for T5 and later we need to grab + * SGE_CONTROL in order to determine how ingress packet data will be + * laid out in Packed Buffer Mode. Unfortunately, older versions of + * the firmware won't let us retrieve SGE_CONTROL2 so if we get a + * failure grabbing it we throw an error since we can't figure out the + * right value. + */ + if (!is_t4(adapter->params.chip)) { + params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + FW_PARAMS_PARAM_XYZ(SGE_CONTROL2_A)); + v = t4vf_query_params(adapter, 1, params, vals); + if (v != FW_SUCCESS) { + dev_err(adapter->pdev_dev, + "Unable to get SGE Control2; " + "probably old firmware.\n"); + return v; + } + sge_params->sge_control2 = vals[0]; + } + params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | FW_PARAMS_PARAM_XYZ(SGE_INGRESS_RX_THRESHOLD)); - v = t4vf_query_params(adapter, 1, params, vals); + params[1] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + FW_PARAMS_PARAM_XYZ(SGE_CONM_CTRL)); + v = t4vf_query_params(adapter, 2, params, vals); if (v) return v; sge_params->sge_ingress_rx_threshold = vals[0]; + sge_params->sge_congestion_control = vals[1]; return 0; } diff --git a/drivers/net/ethernet/cisco/enic/enic_clsf.c b/drivers/net/ethernet/cisco/enic/enic_clsf.c index 69dfd3c9e529..0be6850be8a2 100644 --- a/drivers/net/ethernet/cisco/enic/enic_clsf.c +++ b/drivers/net/ethernet/cisco/enic/enic_clsf.c @@ -86,7 +86,7 @@ void enic_rfs_flw_tbl_free(struct enic *enic) int i; enic_rfs_timer_stop(enic); - spin_lock(&enic->rfs_h.lock); + spin_lock_bh(&enic->rfs_h.lock); enic->rfs_h.free = 0; for (i = 0; i < (1 << ENIC_RFS_FLW_BITSHIFT); i++) { struct hlist_head *hhead; @@ -100,7 +100,7 @@ void enic_rfs_flw_tbl_free(struct enic *enic) kfree(n); } } - spin_unlock(&enic->rfs_h.lock); + spin_unlock_bh(&enic->rfs_h.lock); } struct enic_rfs_fltr_node *htbl_fltr_search(struct enic *enic, u16 fltr_id) @@ -128,7 +128,7 @@ void enic_flow_may_expire(unsigned long data) bool res; int j; - spin_lock(&enic->rfs_h.lock); + spin_lock_bh(&enic->rfs_h.lock); for (j = 0; j < ENIC_CLSF_EXPIRE_COUNT; j++) { struct hlist_head *hhead; struct hlist_node *tmp; @@ -148,7 +148,7 @@ void enic_flow_may_expire(unsigned long data) } } } - spin_unlock(&enic->rfs_h.lock); + spin_unlock_bh(&enic->rfs_h.lock); mod_timer(&enic->rfs_h.rfs_may_expire, jiffies + HZ/4); } @@ -183,7 +183,7 @@ int enic_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, return -EPROTONOSUPPORT; tbl_idx = skb_get_hash_raw(skb) & ENIC_RFS_FLW_MASK; - spin_lock(&enic->rfs_h.lock); + spin_lock_bh(&enic->rfs_h.lock); n = htbl_key_search(&enic->rfs_h.ht_head[tbl_idx], &keys); if (n) { /* entry already present */ @@ -277,7 +277,7 @@ int enic_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, } ret_unlock: - spin_unlock(&enic->rfs_h.lock); + spin_unlock_bh(&enic->rfs_h.lock); return res; } diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 929bfe70080a..73cf1653a4a3 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -940,18 +940,8 @@ static int enic_rq_alloc_buf(struct vnic_rq *rq) struct vnic_rq_buf *buf = rq->to_use; if (buf->os_buf) { - buf = buf->next; - rq->to_use = buf; - rq->ring.desc_avail--; - if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) { - /* Adding write memory barrier prevents compiler and/or - * CPU reordering, thus avoiding descriptor posting - * before descriptor is initialized. Otherwise, hardware - * can read stale descriptor fields. - */ - wmb(); - iowrite32(buf->index, &rq->ctrl->posted_index); - } + enic_queue_rq_desc(rq, buf->os_buf, os_buf_index, buf->dma_addr, + buf->len); return 0; } @@ -1037,7 +1027,10 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, enic->rq_truncated_pkts++; } + pci_unmap_single(enic->pdev, buf->dma_addr, buf->len, + PCI_DMA_FROMDEVICE); dev_kfree_skb_any(skb); + buf->os_buf = NULL; return; } @@ -1088,7 +1081,10 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, /* Buffer overflow */ + pci_unmap_single(enic->pdev, buf->dma_addr, buf->len, + PCI_DMA_FROMDEVICE); dev_kfree_skb_any(skb); + buf->os_buf = NULL; } } @@ -1674,13 +1670,13 @@ static int enic_stop(struct net_device *netdev) enic_dev_disable(enic); - local_bh_disable(); for (i = 0; i < enic->rq_count; i++) { napi_disable(&enic->napi[i]); + local_bh_disable(); while (!enic_poll_lock_napi(&enic->rq[i])) mdelay(1); + local_bh_enable(); } - local_bh_enable(); netif_carrier_off(netdev); netif_tx_disable(netdev); diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 81b96cf87574..3dca494797bd 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -298,6 +298,16 @@ static void *swap_buffer(void *bufaddr, int len) return bufaddr; } +static void swap_buffer2(void *dst_buf, void *src_buf, int len) +{ + int i; + unsigned int *src = src_buf; + unsigned int *dst = dst_buf; + + for (i = 0; i < len; i += 4, src++, dst++) + *dst = swab32p(src); +} + static void fec_dump(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); @@ -1307,7 +1317,7 @@ fec_enet_new_rxbdp(struct net_device *ndev, struct bufdesc *bdp, struct sk_buff } static bool fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb, - struct bufdesc *bdp, u32 length) + struct bufdesc *bdp, u32 length, bool swap) { struct fec_enet_private *fep = netdev_priv(ndev); struct sk_buff *new_skb; @@ -1322,7 +1332,10 @@ static bool fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb, dma_sync_single_for_cpu(&fep->pdev->dev, bdp->cbd_bufaddr, FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE); - memcpy(new_skb->data, (*skb)->data, length); + if (!swap) + memcpy(new_skb->data, (*skb)->data, length); + else + swap_buffer2(new_skb->data, (*skb)->data, length); *skb = new_skb; return true; @@ -1352,6 +1365,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) u16 vlan_tag; int index = 0; bool is_copybreak; + bool need_swap = id_entry->driver_data & FEC_QUIRK_SWAP_FRAME; #ifdef CONFIG_M532x flush_cache_all(); @@ -1415,7 +1429,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) * include that when passing upstream as it messes up * bridging applications. */ - is_copybreak = fec_enet_copybreak(ndev, &skb, bdp, pkt_len - 4); + is_copybreak = fec_enet_copybreak(ndev, &skb, bdp, pkt_len - 4, + need_swap); if (!is_copybreak) { skb_new = netdev_alloc_skb(ndev, FEC_ENET_RX_FRSIZE); if (unlikely(!skb_new)) { @@ -1430,7 +1445,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) prefetch(skb->data - NET_IP_ALIGN); skb_put(skb, pkt_len - 4); data = skb->data; - if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) + if (!is_copybreak && need_swap) swap_buffer(data, pkt_len); /* Extract the enhanced buffer descriptor */ @@ -1581,7 +1596,8 @@ fec_enet_interrupt(int irq, void *dev_id) complete(&fep->mdio_done); } - fec_ptp_check_pps_event(fep); + if (fep->ptp_clock) + fec_ptp_check_pps_event(fep); return ret; } @@ -3342,12 +3358,11 @@ static int __maybe_unused fec_suspend(struct device *dev) netif_device_detach(ndev); netif_tx_unlock_bh(ndev); fec_stop(ndev); + fec_enet_clk_enable(ndev, false); + pinctrl_pm_select_sleep_state(&fep->pdev->dev); } rtnl_unlock(); - fec_enet_clk_enable(ndev, false); - pinctrl_pm_select_sleep_state(&fep->pdev->dev); - if (fep->reg_phy) regulator_disable(fep->reg_phy); @@ -3366,13 +3381,14 @@ static int __maybe_unused fec_resume(struct device *dev) return ret; } - pinctrl_pm_select_default_state(&fep->pdev->dev); - ret = fec_enet_clk_enable(ndev, true); - if (ret) - goto failed_clk; - rtnl_lock(); if (netif_running(ndev)) { + pinctrl_pm_select_default_state(&fep->pdev->dev); + ret = fec_enet_clk_enable(ndev, true); + if (ret) { + rtnl_unlock(); + goto failed_clk; + } fec_restart(ndev); netif_tx_lock_bh(ndev); netif_device_attach(ndev); diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c index 3d4e08be1709..b34214e2df5f 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c @@ -341,6 +341,9 @@ static void restart(struct net_device *dev) FC(fecp, x_cntrl, FEC_TCNTRL_FDEN); /* FD disable */ } + /* Restore multicast and promiscuous settings */ + set_multicast_list(dev); + /* * Enable interrupts we wish to service. */ diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c index f30411f0701f..7a184e8816a4 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c @@ -355,6 +355,9 @@ static void restart(struct net_device *dev) if (fep->phydev->duplex) S16(sccp, scc_psmr, SCC_PSMR_LPB | SCC_PSMR_FDE); + /* Restore multicast and promiscuous settings */ + set_multicast_list(dev); + S32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT); } diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 5f6aded512f5..24f3986cfae2 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -1075,7 +1075,10 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_HW_CSUM | NETIF_F_SG); - netdev->priv_flags |= IFF_UNICAST_FLT; + /* Do not set IFF_UNICAST_FLT for VMWare's 82545EM */ + if (hw->device_id != E1000_DEV_ID_82545EM_COPPER || + hw->subsystem_vendor_id != PCI_VENDOR_ID_VMWARE) + netdev->priv_flags |= IFF_UNICAST_FLT; adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index ed5f1c15fb0f..c3a7f4a4b775 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -6151,7 +6151,7 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) I40E_GL_MDET_TX_PF_NUM_SHIFT; u8 vf_num = (reg & I40E_GL_MDET_TX_VF_NUM_MASK) >> I40E_GL_MDET_TX_VF_NUM_SHIFT; - u8 event = (reg & I40E_GL_MDET_TX_EVENT_SHIFT) >> + u8 event = (reg & I40E_GL_MDET_TX_EVENT_MASK) >> I40E_GL_MDET_TX_EVENT_SHIFT; u8 queue = (reg & I40E_GL_MDET_TX_QUEUE_MASK) >> I40E_GL_MDET_TX_QUEUE_SHIFT; @@ -6165,7 +6165,7 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) if (reg & I40E_GL_MDET_RX_VALID_MASK) { u8 func = (reg & I40E_GL_MDET_RX_FUNCTION_MASK) >> I40E_GL_MDET_RX_FUNCTION_SHIFT; - u8 event = (reg & I40E_GL_MDET_RX_EVENT_SHIFT) >> + u8 event = (reg & I40E_GL_MDET_RX_EVENT_MASK) >> I40E_GL_MDET_RX_EVENT_SHIFT; u8 queue = (reg & I40E_GL_MDET_RX_QUEUE_MASK) >> I40E_GL_MDET_RX_QUEUE_SHIFT; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index a21b14495ebd..a2d72a87cbde 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6537,6 +6537,9 @@ static bool igb_can_reuse_rx_page(struct igb_rx_buffer *rx_buffer, if (unlikely(page_to_nid(page) != numa_node_id())) return false; + if (unlikely(page->pfmemalloc)) + return false; + #if (PAGE_SIZE < 8192) /* if we are only owner of page we can reuse it */ if (unlikely(page_count(page) != 1)) @@ -6603,7 +6606,8 @@ static bool igb_add_rx_frag(struct igb_ring *rx_ring, memcpy(__skb_put(skb, size), va, ALIGN(size, sizeof(long))); /* we can reuse buffer as-is, just make sure it is local */ - if (likely(page_to_nid(page) == numa_node_id())) + if (likely((page_to_nid(page) == numa_node_id()) && + !page->pfmemalloc)) return true; /* this page cannot be reused so discard it */ diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 3ce4a258f945..0ae038b9af90 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -342,12 +342,16 @@ static int ixgbe_set_settings(struct net_device *netdev, if (old == advertised) return err; /* this sets the link speed and restarts auto-neg */ + while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state)) + usleep_range(1000, 2000); + hw->mac.autotry_restart = true; err = hw->mac.ops.setup_link(hw, advertised, true); if (err) { e_info(probe, "setup link failed with code %d\n", err); hw->mac.ops.setup_link(hw, old, true); } + clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state); } else { /* in this case we currently only support 10Gb/FULL */ u32 speed = ethtool_cmd_speed(ecmd); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index fec5212d4337..d2df4e3d1032 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -4321,8 +4321,8 @@ static void ixgbe_clean_rx_ring(struct ixgbe_ring *rx_ring) IXGBE_CB(skb)->page_released = false; } dev_kfree_skb(skb); + rx_buffer->skb = NULL; } - rx_buffer->skb = NULL; if (rx_buffer->dma) dma_unmap_page(dev, rx_buffer->dma, ixgbe_rx_pg_size(rx_ring), diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c index d47b19f27c35..28b81ae09b5a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c @@ -635,7 +635,6 @@ s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed, **/ s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw) { - s32 status; u16 autoneg_reg = IXGBE_MII_AUTONEG_REG; bool autoneg = false; ixgbe_link_speed speed; @@ -700,8 +699,7 @@ s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw) hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_AN, autoneg_reg); - - return status; + return 0; } /** diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index b151a949f352..d44560d1d268 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -1047,7 +1047,6 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force) int tx_index; struct tx_desc *desc; u32 cmd_sts; - struct sk_buff *skb; tx_index = txq->tx_used_desc; desc = &txq->tx_desc_area[tx_index]; @@ -1066,19 +1065,22 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force) reclaimed++; txq->tx_desc_count--; - skb = NULL; - if (cmd_sts & TX_LAST_DESC) - skb = __skb_dequeue(&txq->tx_skb); + if (!IS_TSO_HEADER(txq, desc->buf_ptr)) + dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr, + desc->byte_cnt, DMA_TO_DEVICE); + + if (cmd_sts & TX_ENABLE_INTERRUPT) { + struct sk_buff *skb = __skb_dequeue(&txq->tx_skb); + + if (!WARN_ON(!skb)) + dev_kfree_skb(skb); + } if (cmd_sts & ERROR_SUMMARY) { netdev_info(mp->dev, "tx error\n"); mp->dev->stats.tx_errors++; } - if (!IS_TSO_HEADER(txq, desc->buf_ptr)) - dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr, - desc->byte_cnt, DMA_TO_DEVICE); - dev_kfree_skb(skb); } __netif_tx_unlock_bh(nq); diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index ece83f101526..fdf3e382e464 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -1692,6 +1692,7 @@ static int mvpp2_prs_vlan_add(struct mvpp2 *priv, unsigned short tpid, int ai, { struct mvpp2_prs_entry *pe; int tid_aux, tid; + int ret = 0; pe = mvpp2_prs_vlan_find(priv, tpid, ai); @@ -1723,8 +1724,10 @@ static int mvpp2_prs_vlan_add(struct mvpp2 *priv, unsigned short tpid, int ai, break; } - if (tid <= tid_aux) - return -EINVAL; + if (tid <= tid_aux) { + ret = -EINVAL; + goto error; + } memset(pe, 0 , sizeof(struct mvpp2_prs_entry)); mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_VLAN); @@ -1756,9 +1759,10 @@ static int mvpp2_prs_vlan_add(struct mvpp2 *priv, unsigned short tpid, int ai, mvpp2_prs_hw_write(priv, pe); +error: kfree(pe); - return 0; + return ret; } /* Get first free double vlan ai number */ @@ -1821,7 +1825,7 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1, unsigned int port_map) { struct mvpp2_prs_entry *pe; - int tid_aux, tid, ai; + int tid_aux, tid, ai, ret = 0; pe = mvpp2_prs_double_vlan_find(priv, tpid1, tpid2); @@ -1838,8 +1842,10 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1, /* Set ai value for new double vlan entry */ ai = mvpp2_prs_double_vlan_ai_free_get(priv); - if (ai < 0) - return ai; + if (ai < 0) { + ret = ai; + goto error; + } /* Get first single/triple vlan tid */ for (tid_aux = MVPP2_PE_FIRST_FREE_TID; @@ -1859,8 +1865,10 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1, break; } - if (tid >= tid_aux) - return -ERANGE; + if (tid >= tid_aux) { + ret = -ERANGE; + goto error; + } memset(pe, 0, sizeof(struct mvpp2_prs_entry)); mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_VLAN); @@ -1887,8 +1895,9 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1, mvpp2_prs_tcam_port_map_set(pe, port_map); mvpp2_prs_hw_write(priv, pe); +error: kfree(pe); - return 0; + return ret; } /* IPv4 header parsing for fragmentation and L4 offset */ diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index f3032fec8fce..02266e3de514 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2281,8 +2281,16 @@ static void mlx4_en_add_vxlan_offloads(struct work_struct *work) ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 1); out: - if (ret) + if (ret) { en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); + return; + } + + /* set offloads */ + priv->dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM | + NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL; + priv->dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; + priv->dev->features |= NETIF_F_GSO_UDP_TUNNEL; } static void mlx4_en_del_vxlan_offloads(struct work_struct *work) @@ -2290,6 +2298,11 @@ static void mlx4_en_del_vxlan_offloads(struct work_struct *work) int ret; struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, vxlan_del_task); + /* unset offloads */ + priv->dev->hw_enc_features &= ~(NETIF_F_IP_CSUM | NETIF_F_RXCSUM | + NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL); + priv->dev->hw_features &= ~NETIF_F_GSO_UDP_TUNNEL; + priv->dev->features &= ~NETIF_F_GSO_UDP_TUNNEL; ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 0); @@ -2568,13 +2581,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0) dev->priv_flags |= IFF_UNICAST_FLT; - if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { - dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM | - NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL; - dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; - dev->features |= NETIF_F_GSO_UDP_TUNNEL; - } - mdev->pndev[port] = dev; netif_carrier_off(dev); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 34c137878545..454d9fea640e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -836,8 +836,11 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) * whether LSO is used */ tx_desc->ctrl.srcrb_flags = priv->ctrl_flags; if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM | - MLX4_WQE_CTRL_TCP_UDP_CSUM); + if (!skb->encapsulation) + tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM | + MLX4_WQE_CTRL_TCP_UDP_CSUM); + else + tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM); ring->tx_csum++; } diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index a49c9d11d8a5..49290a405903 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -1026,6 +1026,7 @@ static void mlx4_free_eq(struct mlx4_dev *dev, pr_cont("\n"); } } + synchronize_irq(eq->irq); mlx4_mtt_cleanup(dev, &eq->mtt); for (i = 0; i < npages; ++i) diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index ca0f98c95105..872843179f44 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -955,6 +955,10 @@ static void mlx4_err_rule(struct mlx4_dev *dev, char *str, cur->ib.dst_gid_msk); break; + case MLX4_NET_TRANS_RULE_ID_VXLAN: + len += snprintf(buf + len, BUF_SIZE - len, + "VNID = %d ", be32_to_cpu(cur->vxlan.vni)); + break; case MLX4_NET_TRANS_RULE_ID_IPV6: break; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index ed53291468f3..ad2c96a02a53 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -374,15 +374,14 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, snprintf(eq->name, MLX5_MAX_EQ_NAME, "%s@pci:%s", name, pci_name(dev->pdev)); eq->eqn = out.eq_number; + eq->irqn = vecidx; + eq->dev = dev; + eq->doorbell = uar->map + MLX5_EQ_DOORBEL_OFFSET; err = request_irq(table->msix_arr[vecidx].vector, mlx5_msix_handler, 0, eq->name, eq); if (err) goto err_eq; - eq->irqn = vecidx; - eq->dev = dev; - eq->doorbell = uar->map + MLX5_EQ_DOORBEL_OFFSET; - err = mlx5_debug_eq_add(dev, eq); if (err) goto err_irq; @@ -420,6 +419,7 @@ int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq) if (err) mlx5_core_warn(dev, "failed to destroy a previously created eq: eqn %d\n", eq->eqn); + synchronize_irq(table->msix_arr[eq->irqn].vector); mlx5_buf_free(dev, &eq->buf); return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 3d8e8e489b2d..71b10b210792 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -864,14 +864,14 @@ static int init_one(struct pci_dev *pdev, dev->profile = &profile[prof_sel]; dev->event = mlx5_core_event; + INIT_LIST_HEAD(&priv->ctx_list); + spin_lock_init(&priv->ctx_lock); err = mlx5_dev_init(dev, pdev); if (err) { dev_err(&pdev->dev, "mlx5_dev_init failed %d\n", err); goto out; } - INIT_LIST_HEAD(&priv->ctx_list); - spin_lock_init(&priv->ctx_lock); err = mlx5_register_device(dev); if (err) { dev_err(&pdev->dev, "mlx5_register_device failed %d\n", err); diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index 0b2a1ccd276d..613037584d08 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -2762,7 +2762,8 @@ netxen_fw_poll_work(struct work_struct *work) if (test_bit(__NX_RESETTING, &adapter->state)) goto reschedule; - if (test_bit(__NX_DEV_UP, &adapter->state)) { + if (test_bit(__NX_DEV_UP, &adapter->state) && + !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) { if (!adapter->has_link_events) { netxen_nic_handle_phy_intr(adapter); diff --git a/drivers/net/ethernet/qualcomm/Kconfig b/drivers/net/ethernet/qualcomm/Kconfig index f3a47147937d..9a49f42ac2ba 100644 --- a/drivers/net/ethernet/qualcomm/Kconfig +++ b/drivers/net/ethernet/qualcomm/Kconfig @@ -5,7 +5,6 @@ config NET_VENDOR_QUALCOMM bool "Qualcomm devices" default y - depends on SPI_MASTER && OF_GPIO ---help--- If you have a network (Ethernet) card belonging to this class, say Y and read the Ethernet-HOWTO, available from @@ -20,7 +19,7 @@ if NET_VENDOR_QUALCOMM config QCA7000 tristate "Qualcomm Atheros QCA7000 support" - depends on SPI_MASTER && OF_GPIO + depends on SPI_MASTER && OF ---help--- This SPI protocol driver supports the Qualcomm Atheros QCA7000. diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 002d4cdc319f..a77f05ce8325 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -180,7 +180,8 @@ static int efx_ef10_probe(struct efx_nic *efx) EFX_MAX_CHANNELS, resource_size(&efx->pci_dev->resource[EFX_MEM_BAR]) / (EFX_VI_PAGE_SIZE * EFX_TXQ_TYPES)); - BUG_ON(efx->max_channels == 0); + if (WARN_ON(efx->max_channels == 0)) + return -EIO; nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL); if (!nic_data) diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index ee84a90e371c..aaf2987512b5 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -343,8 +343,6 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb) unsigned short dma_flags; int i = 0; - EFX_BUG_ON_PARANOID(tx_queue->write_count > tx_queue->insert_count); - if (skb_shinfo(skb)->gso_size) return efx_enqueue_skb_tso(tx_queue, skb); @@ -1258,8 +1256,6 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue, /* Find the packet protocol and sanity-check it */ state.protocol = efx_tso_check_protocol(skb); - EFX_BUG_ON_PARANOID(tx_queue->write_count > tx_queue->insert_count); - rc = tso_start(&state, efx, skb); if (rc) goto mem_err; diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 5e94d00b96b3..6cc3cf6f17c8 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -81,6 +81,7 @@ static const char version[] = #include #include #include +#include #include #include @@ -2188,6 +2189,41 @@ static const struct of_device_id smc91x_match[] = { {}, }; MODULE_DEVICE_TABLE(of, smc91x_match); + +/** + * of_try_set_control_gpio - configure a gpio if it exists + */ +static int try_toggle_control_gpio(struct device *dev, + struct gpio_desc **desc, + const char *name, int index, + int value, unsigned int nsdelay) +{ + struct gpio_desc *gpio = *desc; + int res; + + gpio = devm_gpiod_get_index(dev, name, index); + if (IS_ERR(gpio)) { + if (PTR_ERR(gpio) == -ENOENT) { + *desc = NULL; + return 0; + } + + return PTR_ERR(gpio); + } + res = gpiod_direction_output(gpio, !value); + if (res) { + dev_err(dev, "unable to toggle gpio %s: %i\n", name, res); + devm_gpiod_put(dev, gpio); + gpio = NULL; + return res; + } + if (nsdelay) + usleep_range(nsdelay, 2 * nsdelay); + gpiod_set_value_cansleep(gpio, value); + *desc = gpio; + + return 0; +} #endif /* @@ -2207,9 +2243,10 @@ static int smc_drv_probe(struct platform_device *pdev) const struct of_device_id *match = NULL; struct smc_local *lp; struct net_device *ndev; - struct resource *res, *ires; + struct resource *res; unsigned int __iomem *addr; unsigned long irq_flags = SMC_IRQ_FLAGS; + unsigned long irq_resflags; int ret; ndev = alloc_etherdev(sizeof(struct smc_local)); @@ -2237,6 +2274,28 @@ static int smc_drv_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; u32 val; + /* Optional pwrdwn GPIO configured? */ + ret = try_toggle_control_gpio(&pdev->dev, &lp->power_gpio, + "power", 0, 0, 100); + if (ret) + return ret; + + /* + * Optional reset GPIO configured? Minimum 100 ns reset needed + * according to LAN91C96 datasheet page 14. + */ + ret = try_toggle_control_gpio(&pdev->dev, &lp->reset_gpio, + "reset", 0, 0, 100); + if (ret) + return ret; + + /* + * Need to wait for optional EEPROM to load, max 750 us according + * to LAN91C96 datasheet page 55. + */ + if (lp->reset_gpio) + usleep_range(750, 1000); + /* Combination of IO widths supported, default to 16-bit */ if (!of_property_read_u32(np, "reg-io-width", &val)) { if (val & 1) @@ -2279,16 +2338,19 @@ static int smc_drv_probe(struct platform_device *pdev) goto out_free_netdev; } - ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!ires) { + ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq <= 0) { ret = -ENODEV; goto out_release_io; } - - ndev->irq = ires->start; - - if (irq_flags == -1 || ires->flags & IRQF_TRIGGER_MASK) - irq_flags = ires->flags & IRQF_TRIGGER_MASK; + /* + * If this platform does not specify any special irqflags, or if + * the resource supplies a trigger, override the irqflags with + * the trigger flags from the resource. + */ + irq_resflags = irqd_get_trigger_type(irq_get_irq_data(ndev->irq)); + if (irq_flags == -1 || irq_resflags & IRQF_TRIGGER_MASK) + irq_flags = irq_resflags & IRQF_TRIGGER_MASK; ret = smc_request_attrib(pdev, ndev); if (ret) diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h index 47dce918eb0f..2a38dacbbd27 100644 --- a/drivers/net/ethernet/smsc/smc91x.h +++ b/drivers/net/ethernet/smsc/smc91x.h @@ -298,6 +298,9 @@ struct smc_local { struct sk_buff *pending_tx_skb; struct tasklet_struct tx_task; + struct gpio_desc *power_gpio; + struct gpio_desc *reset_gpio; + /* version/revision of the SMC91x chip */ int version; diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index affb29da353e..77ed74561e5f 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -1342,6 +1342,42 @@ static void smsc911x_rx_multicast_update_workaround(struct smsc911x_data *pdata) spin_unlock(&pdata->mac_lock); } +static int smsc911x_phy_general_power_up(struct smsc911x_data *pdata) +{ + int rc = 0; + + if (!pdata->phy_dev) + return rc; + + /* If the internal PHY is in General Power-Down mode, all, except the + * management interface, is powered-down and stays in that condition as + * long as Phy register bit 0.11 is HIGH. + * + * In that case, clear the bit 0.11, so the PHY powers up and we can + * access to the phy registers. + */ + rc = phy_read(pdata->phy_dev, MII_BMCR); + if (rc < 0) { + SMSC_WARN(pdata, drv, "Failed reading PHY control reg"); + return rc; + } + + /* If the PHY general power-down bit is not set is not necessary to + * disable the general power down-mode. + */ + if (rc & BMCR_PDOWN) { + rc = phy_write(pdata->phy_dev, MII_BMCR, rc & ~BMCR_PDOWN); + if (rc < 0) { + SMSC_WARN(pdata, drv, "Failed writing PHY control reg"); + return rc; + } + + usleep_range(1000, 1500); + } + + return 0; +} + static int smsc911x_phy_disable_energy_detect(struct smsc911x_data *pdata) { int rc = 0; @@ -1356,12 +1392,8 @@ static int smsc911x_phy_disable_energy_detect(struct smsc911x_data *pdata) return rc; } - /* - * If energy is detected the PHY is already awake so is not necessary - * to disable the energy detect power-down mode. - */ - if ((rc & MII_LAN83C185_EDPWRDOWN) && - !(rc & MII_LAN83C185_ENERGYON)) { + /* Only disable if energy detect mode is already enabled */ + if (rc & MII_LAN83C185_EDPWRDOWN) { /* Disable energy detect mode for this SMSC Transceivers */ rc = phy_write(pdata->phy_dev, MII_LAN83C185_CTRL_STATUS, rc & (~MII_LAN83C185_EDPWRDOWN)); @@ -1370,8 +1402,8 @@ static int smsc911x_phy_disable_energy_detect(struct smsc911x_data *pdata) SMSC_WARN(pdata, drv, "Failed writing PHY control reg"); return rc; } - - mdelay(1); + /* Allow PHY to wakeup */ + mdelay(2); } return 0; @@ -1393,7 +1425,6 @@ static int smsc911x_phy_enable_energy_detect(struct smsc911x_data *pdata) /* Only enable if energy detect mode is already disabled */ if (!(rc & MII_LAN83C185_EDPWRDOWN)) { - mdelay(100); /* Enable energy detect mode for this SMSC Transceivers */ rc = phy_write(pdata->phy_dev, MII_LAN83C185_CTRL_STATUS, rc | MII_LAN83C185_EDPWRDOWN); @@ -1402,8 +1433,6 @@ static int smsc911x_phy_enable_energy_detect(struct smsc911x_data *pdata) SMSC_WARN(pdata, drv, "Failed writing PHY control reg"); return rc; } - - mdelay(1); } return 0; } @@ -1414,6 +1443,16 @@ static int smsc911x_soft_reset(struct smsc911x_data *pdata) unsigned int temp; int ret; + /* + * Make sure to power-up the PHY chip before doing a reset, otherwise + * the reset fails. + */ + ret = smsc911x_phy_general_power_up(pdata); + if (ret) { + SMSC_WARN(pdata, drv, "Failed to power-up the PHY chip"); + return ret; + } + /* * LAN9210/LAN9211/LAN9220/LAN9221 chips have an internal PHY that * are initialized in a Energy Detect Power-Down mode that prevents diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 6f77a46c7e2c..18c46bb0f3bf 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -276,6 +276,7 @@ static void stmmac_eee_ctrl_timer(unsigned long arg) bool stmmac_eee_init(struct stmmac_priv *priv) { char *phy_bus_name = priv->plat->phy_bus_name; + unsigned long flags; bool ret = false; /* Using PCS we cannot dial with the phy registers at this stage @@ -300,6 +301,7 @@ bool stmmac_eee_init(struct stmmac_priv *priv) * changed). * In that case the driver disable own timers. */ + spin_lock_irqsave(&priv->lock, flags); if (priv->eee_active) { pr_debug("stmmac: disable EEE\n"); del_timer_sync(&priv->eee_ctrl_timer); @@ -307,9 +309,11 @@ bool stmmac_eee_init(struct stmmac_priv *priv) tx_lpi_timer); } priv->eee_active = 0; + spin_unlock_irqrestore(&priv->lock, flags); goto out; } /* Activate the EEE and start timers */ + spin_lock_irqsave(&priv->lock, flags); if (!priv->eee_active) { priv->eee_active = 1; init_timer(&priv->eee_ctrl_timer); @@ -325,9 +329,10 @@ bool stmmac_eee_init(struct stmmac_priv *priv) /* Set HW EEE according to the speed */ priv->hw->mac->set_eee_pls(priv->hw, priv->phydev->link); - pr_debug("stmmac: Energy-Efficient Ethernet initialized\n"); - ret = true; + spin_unlock_irqrestore(&priv->lock, flags); + + pr_debug("stmmac: Energy-Efficient Ethernet initialized\n"); } out: return ret; @@ -760,12 +765,12 @@ static void stmmac_adjust_link(struct net_device *dev) if (new_state && netif_msg_link(priv)) phy_print_status(phydev); + spin_unlock_irqrestore(&priv->lock, flags); + /* At this stage, it could be needed to setup the EEE or adjust some * MAC related HW registers. */ priv->eee_enabled = stmmac_eee_init(priv); - - spin_unlock_irqrestore(&priv->lock, flags); } /** @@ -959,12 +964,12 @@ static void stmmac_clear_descriptors(struct stmmac_priv *priv) } static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, - int i) + int i, gfp_t flags) { struct sk_buff *skb; skb = __netdev_alloc_skb(priv->dev, priv->dma_buf_sz + NET_IP_ALIGN, - GFP_KERNEL); + flags); if (!skb) { pr_err("%s: Rx init fails; skb is NULL\n", __func__); return -ENOMEM; @@ -1006,7 +1011,7 @@ static void stmmac_free_rx_buffers(struct stmmac_priv *priv, int i) * and allocates the socket buffers. It suppors the chained and ring * modes. */ -static int init_dma_desc_rings(struct net_device *dev) +static int init_dma_desc_rings(struct net_device *dev, gfp_t flags) { int i; struct stmmac_priv *priv = netdev_priv(dev); @@ -1041,7 +1046,7 @@ static int init_dma_desc_rings(struct net_device *dev) else p = priv->dma_rx + i; - ret = stmmac_init_rx_buffers(priv, p, i); + ret = stmmac_init_rx_buffers(priv, p, i, flags); if (ret) goto err_init_rx_buffers; @@ -1647,11 +1652,6 @@ static int stmmac_hw_setup(struct net_device *dev) struct stmmac_priv *priv = netdev_priv(dev); int ret; - ret = init_dma_desc_rings(dev); - if (ret < 0) { - pr_err("%s: DMA descriptors initialization failed\n", __func__); - return ret; - } /* DMA initialization and SW reset */ ret = stmmac_init_dma_engine(priv); if (ret < 0) { @@ -1705,10 +1705,6 @@ static int stmmac_hw_setup(struct net_device *dev) } priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS; - priv->eee_enabled = stmmac_eee_init(priv); - - stmmac_init_tx_coalesce(priv); - if ((priv->use_riwt) && (priv->hw->dma->rx_watchdog)) { priv->rx_riwt = MAX_DMA_RIWT; priv->hw->dma->rx_watchdog(priv->ioaddr, MAX_DMA_RIWT); @@ -1761,12 +1757,20 @@ static int stmmac_open(struct net_device *dev) goto dma_desc_error; } + ret = init_dma_desc_rings(dev, GFP_KERNEL); + if (ret < 0) { + pr_err("%s: DMA descriptors initialization failed\n", __func__); + goto init_error; + } + ret = stmmac_hw_setup(dev); if (ret < 0) { pr_err("%s: Hw setup failed\n", __func__); goto init_error; } + stmmac_init_tx_coalesce(priv); + if (priv->phydev) phy_start(priv->phydev); @@ -1894,7 +1898,10 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) unsigned int nopaged_len = skb_headlen(skb); unsigned int enh_desc = priv->plat->enh_desc; + spin_lock(&priv->tx_lock); + if (unlikely(stmmac_tx_avail(priv) < nfrags + 1)) { + spin_unlock(&priv->tx_lock); if (!netif_queue_stopped(dev)) { netif_stop_queue(dev); /* This is a hard error, log it. */ @@ -1903,8 +1910,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } - spin_lock(&priv->tx_lock); - if (priv->tx_path_in_lpi_mode) stmmac_disable_eee_mode(priv); @@ -2025,6 +2030,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; dma_map_err: + spin_unlock(&priv->tx_lock); dev_err(priv->device, "Tx dma map failed\n"); dev_kfree_skb(skb); priv->dev->stats.tx_dropped++; @@ -2281,9 +2287,7 @@ static void stmmac_set_rx_mode(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); - spin_lock(&priv->lock); priv->hw->mac->set_filter(priv->hw, dev); - spin_unlock(&priv->lock); } /** @@ -2950,7 +2954,7 @@ int stmmac_suspend(struct net_device *ndev) stmmac_set_mac(priv->ioaddr, false); pinctrl_pm_select_sleep_state(priv->device); /* Disable clock in case of PWM is off */ - clk_disable_unprepare(priv->stmmac_clk); + clk_disable(priv->stmmac_clk); } spin_unlock_irqrestore(&priv->lock, flags); @@ -2982,7 +2986,7 @@ int stmmac_resume(struct net_device *ndev) } else { pinctrl_pm_select_default_state(priv->device); /* enable the clk prevously disabled */ - clk_prepare_enable(priv->stmmac_clk); + clk_enable(priv->stmmac_clk); /* reset the phy so that it's ready */ if (priv->mii) stmmac_mdio_reset(priv->mii); @@ -2990,7 +2994,9 @@ int stmmac_resume(struct net_device *ndev) netif_device_attach(ndev); + init_dma_desc_rings(ndev, GFP_ATOMIC); stmmac_hw_setup(ndev); + stmmac_init_tx_coalesce(priv); napi_enable(&priv->napi); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index 655a23bbc451..e17a970eaf2b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -33,6 +33,7 @@ static struct stmmac_dma_cfg dma_cfg; static void stmmac_default_data(void) { memset(&plat_dat, 0, sizeof(struct plat_stmmacenet_data)); + plat_dat.bus_id = 1; plat_dat.phy_addr = 0; plat_dat.interface = PHY_INTERFACE_MODE_GMII; @@ -47,6 +48,12 @@ static void stmmac_default_data(void) dma_cfg.pbl = 32; dma_cfg.burst_len = DMA_AXI_BLEN_256; plat_dat.dma_cfg = &dma_cfg; + + /* Set default value for multicast hash bins */ + plat_dat.multicast_filter_bins = HASH_TABLE_SIZE; + + /* Set default value for unicast filter entries */ + plat_dat.unicast_filter_entries = 1; } /** diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index 72c8525d5457..9c014803b03b 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -1262,6 +1262,7 @@ static void happy_meal_init_rings(struct happy_meal *hp) HMD(("init rxring, ")); for (i = 0; i < RX_RING_SIZE; i++) { struct sk_buff *skb; + u32 mapping; skb = happy_meal_alloc_skb(RX_BUF_ALLOC_SIZE, GFP_ATOMIC); if (!skb) { @@ -1272,10 +1273,16 @@ static void happy_meal_init_rings(struct happy_meal *hp) /* Because we reserve afterwards. */ skb_put(skb, (ETH_FRAME_LEN + RX_OFFSET + 4)); + mapping = dma_map_single(hp->dma_dev, skb->data, RX_BUF_ALLOC_SIZE, + DMA_FROM_DEVICE); + if (dma_mapping_error(hp->dma_dev, mapping)) { + dev_kfree_skb_any(skb); + hme_write_rxd(hp, &hb->happy_meal_rxd[i], 0, 0); + continue; + } hme_write_rxd(hp, &hb->happy_meal_rxd[i], (RXFLAG_OWN | ((RX_BUF_ALLOC_SIZE - RX_OFFSET) << 16)), - dma_map_single(hp->dma_dev, skb->data, RX_BUF_ALLOC_SIZE, - DMA_FROM_DEVICE)); + mapping); skb_reserve(skb, RX_OFFSET); } @@ -2020,6 +2027,7 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev) skb = hp->rx_skbs[elem]; if (len > RX_COPY_THRESHOLD) { struct sk_buff *new_skb; + u32 mapping; /* Now refill the entry, if we can. */ new_skb = happy_meal_alloc_skb(RX_BUF_ALLOC_SIZE, GFP_ATOMIC); @@ -2027,13 +2035,21 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev) drops++; goto drop_it; } + skb_put(new_skb, (ETH_FRAME_LEN + RX_OFFSET + 4)); + mapping = dma_map_single(hp->dma_dev, new_skb->data, + RX_BUF_ALLOC_SIZE, + DMA_FROM_DEVICE); + if (unlikely(dma_mapping_error(hp->dma_dev, mapping))) { + dev_kfree_skb_any(new_skb); + drops++; + goto drop_it; + } + dma_unmap_single(hp->dma_dev, dma_addr, RX_BUF_ALLOC_SIZE, DMA_FROM_DEVICE); hp->rx_skbs[elem] = new_skb; - skb_put(new_skb, (ETH_FRAME_LEN + RX_OFFSET + 4)); hme_write_rxd(hp, this, (RXFLAG_OWN|((RX_BUF_ALLOC_SIZE-RX_OFFSET)<<16)), - dma_map_single(hp->dma_dev, new_skb->data, RX_BUF_ALLOC_SIZE, - DMA_FROM_DEVICE)); + mapping); skb_reserve(new_skb, RX_OFFSET); /* Trim the original skb for the netif. */ @@ -2248,6 +2264,25 @@ static void happy_meal_tx_timeout(struct net_device *dev) netif_wake_queue(dev); } +static void unmap_partial_tx_skb(struct happy_meal *hp, u32 first_mapping, + u32 first_len, u32 first_entry, u32 entry) +{ + struct happy_meal_txd *txbase = &hp->happy_block->happy_meal_txd[0]; + + dma_unmap_single(hp->dma_dev, first_mapping, first_len, DMA_TO_DEVICE); + + first_entry = NEXT_TX(first_entry); + while (first_entry != entry) { + struct happy_meal_txd *this = &txbase[first_entry]; + u32 addr, len; + + addr = hme_read_desc32(hp, &this->tx_addr); + len = hme_read_desc32(hp, &this->tx_flags); + len &= TXFLAG_SIZE; + dma_unmap_page(hp->dma_dev, addr, len, DMA_TO_DEVICE); + } +} + static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev) { @@ -2284,6 +2319,8 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, len = skb->len; mapping = dma_map_single(hp->dma_dev, skb->data, len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(hp->dma_dev, mapping))) + goto out_dma_error; tx_flags |= (TXFLAG_SOP | TXFLAG_EOP); hme_write_txd(hp, &hp->happy_block->happy_meal_txd[entry], (tx_flags | (len & TXFLAG_SIZE)), @@ -2299,6 +2336,8 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, first_len = skb_headlen(skb); first_mapping = dma_map_single(hp->dma_dev, skb->data, first_len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(hp->dma_dev, first_mapping))) + goto out_dma_error; entry = NEXT_TX(entry); for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) { @@ -2308,6 +2347,11 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, len = skb_frag_size(this_frag); mapping = skb_frag_dma_map(hp->dma_dev, this_frag, 0, len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(hp->dma_dev, mapping))) { + unmap_partial_tx_skb(hp, first_mapping, first_len, + first_entry, entry); + goto out_dma_error; + } this_txflags = tx_flags; if (frag == skb_shinfo(skb)->nr_frags - 1) this_txflags |= TXFLAG_EOP; @@ -2333,6 +2377,14 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, tx_add_log(hp, TXLOG_ACTION_TXMIT, 0); return NETDEV_TX_OK; + +out_dma_error: + hp->tx_skbs[hp->tx_new] = NULL; + spin_unlock_irq(&hp->happy_lock); + + dev_kfree_skb_any(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; } static struct net_device_stats *happy_meal_get_stats(struct net_device *dev) diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 952e1e4764b7..d8794488f80a 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -591,8 +591,8 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) if (enable) { unsigned long timeout = jiffies + HZ; - /* Disable Learn for all ports */ - for (i = 0; i < priv->data.slaves; i++) { + /* Disable Learn for all ports (host is port 0 and slaves are port 1 and up */ + for (i = 0; i <= priv->data.slaves; i++) { cpsw_ale_control_set(ale, i, ALE_PORT_NOLEARN, 1); cpsw_ale_control_set(ale, i, @@ -616,11 +616,11 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1); dev_dbg(&ndev->dev, "promiscuity enabled\n"); } else { - /* Flood All Unicast Packets to Host port */ + /* Don't Flood All Unicast Packets to Host port */ cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 0); - /* Enable Learn for all ports */ - for (i = 0; i < priv->data.slaves; i++) { + /* Enable Learn for all ports (host is port 0 and slaves are port 1 and up */ + for (i = 0; i <= priv->data.slaves; i++) { cpsw_ale_control_set(ale, i, ALE_PORT_NOLEARN, 0); cpsw_ale_control_set(ale, i, @@ -638,12 +638,16 @@ static void cpsw_ndo_set_rx_mode(struct net_device *ndev) if (ndev->flags & IFF_PROMISC) { /* Enable promiscuous mode */ cpsw_set_promiscious(ndev, true); + cpsw_ale_set_allmulti(priv->ale, IFF_ALLMULTI); return; } else { /* Disable promiscuous mode */ cpsw_set_promiscious(ndev, false); } + /* Restore allmulti on vlans if necessary */ + cpsw_ale_set_allmulti(priv->ale, priv->ndev->flags & IFF_ALLMULTI); + /* Clear all mcast from ALE */ cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port); @@ -1149,6 +1153,7 @@ static inline void cpsw_add_default_vlan(struct cpsw_priv *priv) const int port = priv->host_port; u32 reg; int i; + int unreg_mcast_mask; reg = (priv->version == CPSW_VERSION_1) ? CPSW1_PORT_VLAN : CPSW2_PORT_VLAN; @@ -1158,9 +1163,14 @@ static inline void cpsw_add_default_vlan(struct cpsw_priv *priv) for (i = 0; i < priv->data.slaves; i++) slave_write(priv->slaves + i, vlan, reg); + if (priv->ndev->flags & IFF_ALLMULTI) + unreg_mcast_mask = ALE_ALL_PORTS; + else + unreg_mcast_mask = ALE_PORT_1 | ALE_PORT_2; + cpsw_ale_add_vlan(priv->ale, vlan, ALE_ALL_PORTS << port, ALE_ALL_PORTS << port, ALE_ALL_PORTS << port, - (ALE_PORT_1 | ALE_PORT_2) << port); + unreg_mcast_mask << port); } static void cpsw_init_host_port(struct cpsw_priv *priv) @@ -1620,11 +1630,17 @@ static inline int cpsw_add_vlan_ale_entry(struct cpsw_priv *priv, unsigned short vid) { int ret; + int unreg_mcast_mask; + + if (priv->ndev->flags & IFF_ALLMULTI) + unreg_mcast_mask = ALE_ALL_PORTS; + else + unreg_mcast_mask = ALE_PORT_1 | ALE_PORT_2; ret = cpsw_ale_add_vlan(priv->ale, vid, ALE_ALL_PORTS << priv->host_port, 0, ALE_ALL_PORTS << priv->host_port, - (ALE_PORT_1 | ALE_PORT_2) << priv->host_port); + unreg_mcast_mask << priv->host_port); if (ret != 0) return ret; @@ -2006,7 +2022,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, parp = of_get_property(slave_node, "phy_id", &lenp); if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) { dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i); - return -EINVAL; + goto no_phy_slave; } mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); phyid = be32_to_cpup(parp+1); @@ -2019,6 +2035,14 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), PHY_ID_FMT, mdio->name, phyid); + slave_data->phy_if = of_get_phy_mode(slave_node); + if (slave_data->phy_if < 0) { + dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n", + i); + return slave_data->phy_if; + } + +no_phy_slave: mac_addr = of_get_mac_address(slave_node); if (mac_addr) { memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN); @@ -2030,14 +2054,6 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, return ret; } } - - slave_data->phy_if = of_get_phy_mode(slave_node); - if (slave_data->phy_if < 0) { - dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n", - i); - return slave_data->phy_if; - } - if (data->dual_emac) { if (of_property_read_u32(slave_node, "dual_emac_res_vlan", &prop)) { diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 0579b2243bb6..097ebe7077ac 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -443,6 +443,35 @@ int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask) return 0; } +void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti) +{ + u32 ale_entry[ALE_ENTRY_WORDS]; + int type, idx; + int unreg_mcast = 0; + + /* Only bother doing the work if the setting is actually changing */ + if (ale->allmulti == allmulti) + return; + + /* Remember the new setting to check against next time */ + ale->allmulti = allmulti; + + for (idx = 0; idx < ale->params.ale_entries; idx++) { + cpsw_ale_read(ale, idx, ale_entry); + type = cpsw_ale_get_entry_type(ale_entry); + if (type != ALE_TYPE_VLAN) + continue; + + unreg_mcast = cpsw_ale_get_vlan_unreg_mcast(ale_entry); + if (allmulti) + unreg_mcast |= 1; + else + unreg_mcast &= ~1; + cpsw_ale_set_vlan_unreg_mcast(ale_entry, unreg_mcast); + cpsw_ale_write(ale, idx, ale_entry); + } +} + struct ale_control_info { const char *name; int offset, port_offset; @@ -756,7 +785,6 @@ int cpsw_ale_destroy(struct cpsw_ale *ale) { if (!ale) return -EINVAL; - cpsw_ale_stop(ale); cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0); kfree(ale); return 0; diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h index 31cf43cab42e..c0d4127aa549 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.h +++ b/drivers/net/ethernet/ti/cpsw_ale.h @@ -27,6 +27,7 @@ struct cpsw_ale { struct cpsw_ale_params params; struct timer_list timer; unsigned long ageout; + int allmulti; }; enum cpsw_ale_control { @@ -103,6 +104,7 @@ int cpsw_ale_del_mcast(struct cpsw_ale *ale, u8 *addr, int port_mask, int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag, int reg_mcast, int unreg_mcast); int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port); +void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti); int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control); int cpsw_ale_control_set(struct cpsw_ale *ale, int port, diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index ab92f67da035..4a4388b813ac 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -264,7 +264,7 @@ static int cpts_match(struct sk_buff *skb, unsigned int ptp_class, switch (ptp_class & PTP_CLASS_PMASK) { case PTP_CLASS_IPV4: - offset += ETH_HLEN + IPV4_HLEN(data) + UDP_HLEN; + offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN; break; case PTP_CLASS_IPV6: offset += ETH_HLEN + IP6_HLEN + UDP_HLEN; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 9e17d1a91e71..78ec33f5100b 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -550,6 +550,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) do_send: /* Start filling in the page buffers with the rndis hdr */ rndis_msg->msg_len += rndis_msg_size; + packet->total_data_buflen = rndis_msg->msg_len; packet->page_buf_cnt = init_page_array(rndis_msg, rndis_msg_size, skb, &packet->page_buf[0]); diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 29b3bb410781..bfb0b6ec8c56 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -272,7 +272,7 @@ static void macvlan_process_broadcast(struct work_struct *w) struct sk_buff *skb; struct sk_buff_head list; - skb_queue_head_init(&list); + __skb_queue_head_init(&list); spin_lock_bh(&port->bc_queue.lock); skb_queue_splice_tail_init(&port->bc_queue, &list); @@ -1082,9 +1082,15 @@ static void macvlan_port_destroy(struct net_device *dev) { struct macvlan_port *port = macvlan_port_get_rtnl(dev); - cancel_work_sync(&port->bc_work); dev->priv_flags &= ~IFF_MACVLAN_PORT; netdev_rx_handler_unregister(dev); + + /* After this point, no packet can schedule bc_work anymore, + * but we need to cancel it and purge left skbs if any. + */ + cancel_work_sync(&port->bc_work); + __skb_queue_purge(&port->bc_queue); + kfree_rcu(port, rcu); } diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 65e2892342bd..880cc090dc44 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -16,6 +16,7 @@ #include #include +#include #include #include #include @@ -65,7 +66,7 @@ static struct cdev macvtap_cdev; static const struct proto_ops macvtap_socket_ops; #define TUN_OFFLOADS (NETIF_F_HW_CSUM | NETIF_F_TSO_ECN | NETIF_F_TSO | \ - NETIF_F_TSO6 | NETIF_F_UFO) + NETIF_F_TSO6) #define RX_OFFLOADS (NETIF_F_GRO | NETIF_F_LRO) #define TAP_FEATURES (NETIF_F_GSO | NETIF_F_SG) @@ -569,7 +570,11 @@ static int macvtap_skb_from_vnet_hdr(struct sk_buff *skb, gso_type = SKB_GSO_TCPV6; break; case VIRTIO_NET_HDR_GSO_UDP: + pr_warn_once("macvtap: %s: using disabled UFO feature; please fix this program\n", + current->comm); gso_type = SKB_GSO_UDP; + if (skb->protocol == htons(ETH_P_IPV6)) + ipv6_proxy_select_ident(skb); break; default: return -EINVAL; @@ -614,8 +619,6 @@ static void macvtap_skb_to_vnet_hdr(const struct sk_buff *skb, vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4; else if (sinfo->gso_type & SKB_GSO_TCPV6) vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV6; - else if (sinfo->gso_type & SKB_GSO_UDP) - vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_UDP; else BUG(); if (sinfo->gso_type & SKB_GSO_TCP_ECN) @@ -626,6 +629,8 @@ static void macvtap_skb_to_vnet_hdr(const struct sk_buff *skb, if (skb->ip_summed == CHECKSUM_PARTIAL) { vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM; vnet_hdr->csum_start = skb_checksum_start_offset(skb); + if (vlan_tx_tag_present(skb)) + vnet_hdr->csum_start += VLAN_HLEN; vnet_hdr->csum_offset = skb->csum_offset; } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) { vnet_hdr->flags = VIRTIO_NET_HDR_F_DATA_VALID; @@ -950,9 +955,6 @@ static int set_offload(struct macvtap_queue *q, unsigned long arg) if (arg & TUN_F_TSO6) feature_mask |= NETIF_F_TSO6; } - - if (arg & TUN_F_UFO) - feature_mask |= NETIF_F_UFO; } /* tun/tap driver inverts the usage for TSO offloads, where @@ -963,7 +965,7 @@ static int set_offload(struct macvtap_queue *q, unsigned long arg) * When user space turns off TSO, we turn off GSO/LRO so that * user-space will not receive TSO frames. */ - if (feature_mask & (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_UFO)) + if (feature_mask & (NETIF_F_TSO | NETIF_F_TSO6)) features |= RX_OFFLOADS; else features &= ~RX_OFFLOADS; @@ -1064,7 +1066,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd, case TUNSETOFFLOAD: /* let the user check for future flags */ if (arg & ~(TUN_F_CSUM | TUN_F_TSO4 | TUN_F_TSO6 | - TUN_F_TSO_ECN | TUN_F_UFO)) + TUN_F_TSO_ECN)) return -EINVAL; rtnl_lock(); diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 2954052706e8..e22e602beef3 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -791,7 +791,7 @@ static int match(struct sk_buff *skb, unsigned int type, struct rxts *rxts) switch (type & PTP_CLASS_PMASK) { case PTP_CLASS_IPV4: - offset += ETH_HLEN + IPV4_HLEN(data) + UDP_HLEN; + offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN; break; case PTP_CLASS_IPV6: offset += ETH_HLEN + IP6_HLEN + UDP_HLEN; @@ -934,7 +934,7 @@ static int is_sync(struct sk_buff *skb, int type) switch (type & PTP_CLASS_PMASK) { case PTP_CLASS_IPV4: - offset += ETH_HLEN + IPV4_HLEN(data) + UDP_HLEN; + offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN; break; case PTP_CLASS_IPV6: offset += ETH_HLEN + IP6_HLEN + UDP_HLEN; diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index bd37e45c89c0..225c033b08f3 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -50,10 +50,15 @@ #define MII_M1011_PHY_SCR 0x10 #define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060 +#define MII_M1145_PHY_EXT_SR 0x1b #define MII_M1145_PHY_EXT_CR 0x14 #define MII_M1145_RGMII_RX_DELAY 0x0080 #define MII_M1145_RGMII_TX_DELAY 0x0002 +#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4 +#define MII_M1145_HWCFG_MODE_MASK 0xf +#define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000 + #define MII_M1111_PHY_LED_CONTROL 0x18 #define MII_M1111_PHY_LED_DIRECT 0x4100 #define MII_M1111_PHY_LED_COMBINE 0x411c @@ -676,6 +681,20 @@ static int m88e1145_config_init(struct phy_device *phydev) } } + if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { + int temp = phy_read(phydev, MII_M1145_PHY_EXT_SR); + if (temp < 0) + return temp; + + temp &= ~MII_M1145_HWCFG_MODE_MASK; + temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK; + temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO; + + err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp); + if (err < 0) + return err; + } + err = marvell_of_reg_init(phydev); if (err < 0) return err; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 1dfffdc9dfc3..767cd110f496 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -352,6 +352,7 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) { struct mii_ioctl_data *mii_data = if_mii(ifr); u16 val = mii_data->val_in; + bool change_autoneg = false; switch (cmd) { case SIOCGMIIPHY: @@ -367,22 +368,29 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) if (mii_data->phy_id == phydev->addr) { switch (mii_data->reg_num) { case MII_BMCR: - if ((val & (BMCR_RESET | BMCR_ANENABLE)) == 0) + if ((val & (BMCR_RESET | BMCR_ANENABLE)) == 0) { + if (phydev->autoneg == AUTONEG_ENABLE) + change_autoneg = true; phydev->autoneg = AUTONEG_DISABLE; - else + if (val & BMCR_FULLDPLX) + phydev->duplex = DUPLEX_FULL; + else + phydev->duplex = DUPLEX_HALF; + if (val & BMCR_SPEED1000) + phydev->speed = SPEED_1000; + else if (val & BMCR_SPEED100) + phydev->speed = SPEED_100; + else phydev->speed = SPEED_10; + } + else { + if (phydev->autoneg == AUTONEG_DISABLE) + change_autoneg = true; phydev->autoneg = AUTONEG_ENABLE; - if (!phydev->autoneg && (val & BMCR_FULLDPLX)) - phydev->duplex = DUPLEX_FULL; - else - phydev->duplex = DUPLEX_HALF; - if (!phydev->autoneg && (val & BMCR_SPEED1000)) - phydev->speed = SPEED_1000; - else if (!phydev->autoneg && - (val & BMCR_SPEED100)) - phydev->speed = SPEED_100; + } break; case MII_ADVERTISE: - phydev->advertising = val; + phydev->advertising = mii_adv_to_ethtool_adv_t(val); + change_autoneg = true; break; default: /* do nothing */ @@ -396,6 +404,10 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) if (mii_data->reg_num == MII_BMCR && val & BMCR_RESET) return phy_init_hw(phydev); + + if (change_autoneg) + return phy_start_aneg(phydev); + return 0; case SIOCSHWTSTAMP: diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 68c3a3f4e0ab..794a47329368 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -755,23 +755,23 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) err = get_filter(argp, &code); if (err >= 0) { + struct bpf_prog *pass_filter = NULL; struct sock_fprog_kern fprog = { .len = err, .filter = code, }; - ppp_lock(ppp); - if (ppp->pass_filter) { - bpf_prog_destroy(ppp->pass_filter); - ppp->pass_filter = NULL; + err = 0; + if (fprog.filter) + err = bpf_prog_create(&pass_filter, &fprog); + if (!err) { + ppp_lock(ppp); + if (ppp->pass_filter) + bpf_prog_destroy(ppp->pass_filter); + ppp->pass_filter = pass_filter; + ppp_unlock(ppp); } - if (fprog.filter != NULL) - err = bpf_prog_create(&ppp->pass_filter, - &fprog); - else - err = 0; kfree(code); - ppp_unlock(ppp); } break; } @@ -781,23 +781,23 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) err = get_filter(argp, &code); if (err >= 0) { + struct bpf_prog *active_filter = NULL; struct sock_fprog_kern fprog = { .len = err, .filter = code, }; - ppp_lock(ppp); - if (ppp->active_filter) { - bpf_prog_destroy(ppp->active_filter); - ppp->active_filter = NULL; + err = 0; + if (fprog.filter) + err = bpf_prog_create(&active_filter, &fprog); + if (!err) { + ppp_lock(ppp); + if (ppp->active_filter) + bpf_prog_destroy(ppp->active_filter); + ppp->active_filter = active_filter; + ppp_unlock(ppp); } - if (fprog.filter != NULL) - err = bpf_prog_create(&ppp->active_filter, - &fprog); - else - err = 0; kfree(code); - ppp_unlock(ppp); } break; } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 186ce541c657..9dd3746994a4 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -65,6 +65,7 @@ #include #include #include +#include #include #include #include @@ -174,7 +175,7 @@ struct tun_struct { struct net_device *dev; netdev_features_t set_features; #define TUN_USER_FEATURES (NETIF_F_HW_CSUM|NETIF_F_TSO_ECN|NETIF_F_TSO| \ - NETIF_F_TSO6|NETIF_F_UFO) + NETIF_F_TSO6) int vnet_hdr_sz; int sndbuf; @@ -1139,6 +1140,8 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, break; } + skb_reset_network_header(skb); + if (gso.gso_type != VIRTIO_NET_HDR_GSO_NONE) { pr_debug("GSO!\n"); switch (gso.gso_type & ~VIRTIO_NET_HDR_GSO_ECN) { @@ -1149,8 +1152,20 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; break; case VIRTIO_NET_HDR_GSO_UDP: + { + static bool warned; + + if (!warned) { + warned = true; + netdev_warn(tun->dev, + "%s: using disabled UFO feature; please fix this program\n", + current->comm); + } skb_shinfo(skb)->gso_type = SKB_GSO_UDP; + if (skb->protocol == htons(ETH_P_IPV6)) + ipv6_proxy_select_ident(skb); break; + } default: tun->dev->stats.rx_frame_errors++; kfree_skb(skb); @@ -1179,7 +1194,6 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; } - skb_reset_network_header(skb); skb_probe_transport_header(skb, 0); rxhash = skb_get_hash(skb); @@ -1221,12 +1235,20 @@ static ssize_t tun_put_user(struct tun_struct *tun, struct tun_pi pi = { 0, skb->protocol }; ssize_t total = 0; int vlan_offset = 0, copied; + int vlan_hlen = 0; + int vnet_hdr_sz = 0; + + if (vlan_tx_tag_present(skb)) + vlan_hlen = VLAN_HLEN; + + if (tun->flags & TUN_VNET_HDR) + vnet_hdr_sz = tun->vnet_hdr_sz; if (!(tun->flags & TUN_NO_PI)) { if ((len -= sizeof(pi)) < 0) return -EINVAL; - if (len < skb->len) { + if (len < skb->len + vlan_hlen + vnet_hdr_sz) { /* Packet will be striped */ pi.flags |= TUN_PKT_STRIP; } @@ -1236,9 +1258,9 @@ static ssize_t tun_put_user(struct tun_struct *tun, total += sizeof(pi); } - if (tun->flags & TUN_VNET_HDR) { + if (vnet_hdr_sz) { struct virtio_net_hdr gso = { 0 }; /* no info leak */ - if ((len -= tun->vnet_hdr_sz) < 0) + if ((len -= vnet_hdr_sz) < 0) return -EINVAL; if (skb_is_gso(skb)) { @@ -1251,8 +1273,6 @@ static ssize_t tun_put_user(struct tun_struct *tun, gso.gso_type = VIRTIO_NET_HDR_GSO_TCPV4; else if (sinfo->gso_type & SKB_GSO_TCPV6) gso.gso_type = VIRTIO_NET_HDR_GSO_TCPV6; - else if (sinfo->gso_type & SKB_GSO_UDP) - gso.gso_type = VIRTIO_NET_HDR_GSO_UDP; else { pr_err("unexpected GSO type: " "0x%x, gso_size %d, hdr_len %d\n", @@ -1272,7 +1292,8 @@ static ssize_t tun_put_user(struct tun_struct *tun, if (skb->ip_summed == CHECKSUM_PARTIAL) { gso.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM; - gso.csum_start = skb_checksum_start_offset(skb); + gso.csum_start = skb_checksum_start_offset(skb) + + vlan_hlen; gso.csum_offset = skb->csum_offset; } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) { gso.flags = VIRTIO_NET_HDR_F_DATA_VALID; @@ -1281,14 +1302,13 @@ static ssize_t tun_put_user(struct tun_struct *tun, if (unlikely(memcpy_toiovecend(iv, (void *)&gso, total, sizeof(gso)))) return -EFAULT; - total += tun->vnet_hdr_sz; + total += vnet_hdr_sz; } copied = total; - total += skb->len; - if (!vlan_tx_tag_present(skb)) { - len = min_t(int, skb->len, len); - } else { + len = min_t(int, skb->len + vlan_hlen, len); + total += skb->len + vlan_hlen; + if (vlan_hlen) { int copy, ret; struct { __be16 h_vlan_proto; @@ -1299,8 +1319,6 @@ static ssize_t tun_put_user(struct tun_struct *tun, veth.h_vlan_TCI = htons(vlan_tx_tag_get(skb)); vlan_offset = offsetof(struct vlan_ethhdr, h_vlan_proto); - len = min_t(int, skb->len + VLAN_HLEN, len); - total += VLAN_HLEN; copy = min_t(int, vlan_offset, len); ret = skb_copy_datagram_const_iovec(skb, 0, iv, copied, copy); @@ -1762,11 +1780,6 @@ static int set_offload(struct tun_struct *tun, unsigned long arg) features |= NETIF_F_TSO6; arg &= ~(TUN_F_TSO4|TUN_F_TSO6); } - - if (arg & TUN_F_UFO) { - features |= NETIF_F_UFO; - arg &= ~TUN_F_UFO; - } } /* This gives the user a way to test for new features in future by diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index 2c05f6cdb12f..816d511e34d3 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -465,19 +465,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) return ret; } - ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL); - if (ret < 0) - return ret; - - msleep(150); - - ret = asix_sw_reset(dev, AX_SWRESET_CLEAR); - if (ret < 0) - return ret; - - msleep(150); - - ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE); + ax88772_reset(dev); /* Read PHYID register *AFTER* the PHY was reset properly */ phyid = asix_get_phyid(dev); diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index be4275721039..e6338c16081a 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -937,6 +937,7 @@ static int ax88179_set_mac_addr(struct net_device *net, void *p) { struct usbnet *dev = netdev_priv(net); struct sockaddr *addr = p; + int ret; if (netif_running(net)) return -EBUSY; @@ -946,8 +947,12 @@ static int ax88179_set_mac_addr(struct net_device *net, void *p) memcpy(net->dev_addr, addr->sa_data, ETH_ALEN); /* Set the MAC address */ - return ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, + ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN, net->dev_addr); + if (ret < 0) + return ret; + + return 0; } static const struct net_device_ops ax88179_netdev_ops = { diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 2a32d9167d3b..d3920b54a92c 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -67,6 +67,35 @@ static const u8 mbm_guid[16] = { 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a, }; +static void usbnet_cdc_update_filter(struct usbnet *dev) +{ + struct cdc_state *info = (void *) &dev->data; + struct usb_interface *intf = info->control; + + u16 cdc_filter = + USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED | + USB_CDC_PACKET_TYPE_BROADCAST; + + if (dev->net->flags & IFF_PROMISC) + cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS; + + /* FIXME cdc-ether has some multicast code too, though it complains + * in routine cases. info->ether describes the multicast support. + * Implement that here, manipulating the cdc filter as needed. + */ + + usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + USB_CDC_SET_ETHERNET_PACKET_FILTER, + USB_TYPE_CLASS | USB_RECIP_INTERFACE, + cdc_filter, + intf->cur_altsetting->desc.bInterfaceNumber, + NULL, + 0, + USB_CTRL_SET_TIMEOUT + ); +} + /* probes control interface, claims data interface, collects the bulk * endpoints, activates data interface (if needed), maybe sets MTU. * all pure cdc, except for certain firmware workarounds, and knowing @@ -347,16 +376,8 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) * don't do reset all the way. So the packet filter should * be set to a sane initial value. */ - usb_control_msg(dev->udev, - usb_sndctrlpipe(dev->udev, 0), - USB_CDC_SET_ETHERNET_PACKET_FILTER, - USB_TYPE_CLASS | USB_RECIP_INTERFACE, - USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED | USB_CDC_PACKET_TYPE_BROADCAST, - intf->cur_altsetting->desc.bInterfaceNumber, - NULL, - 0, - USB_CTRL_SET_TIMEOUT - ); + usbnet_cdc_update_filter(dev); + return 0; bad_desc: @@ -468,10 +489,6 @@ int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) return status; } - /* FIXME cdc-ether has some multicast code too, though it complains - * in routine cases. info->ether describes the multicast support. - * Implement that here, manipulating the cdc filter as needed. - */ return 0; } EXPORT_SYMBOL_GPL(usbnet_cdc_bind); @@ -482,6 +499,7 @@ static const struct driver_info cdc_info = { .bind = usbnet_cdc_bind, .unbind = usbnet_cdc_unbind, .status = usbnet_cdc_status, + .set_rx_mode = usbnet_cdc_update_filter, .manage_power = usbnet_manage_power, }; @@ -491,6 +509,7 @@ static const struct driver_info wwan_info = { .bind = usbnet_cdc_bind, .unbind = usbnet_cdc_unbind, .status = usbnet_cdc_status, + .set_rx_mode = usbnet_cdc_update_filter, .manage_power = usbnet_manage_power, }; diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index e3d84c322e4e..c6554c7a8147 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1162,6 +1162,9 @@ static void intr_callback(struct urb *urb) case -ESHUTDOWN: netif_device_detach(tp->netdev); case -ENOENT: + case -EPROTO: + netif_info(tp, intr, tp->netdev, + "Stop submitting intr, status %d\n", status); return; case -EOVERFLOW: netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n"); @@ -2891,6 +2894,9 @@ static int rtl8152_open(struct net_device *netdev) if (res) goto out; + /* set speed to 0 to avoid autoresume try to submit rx */ + tp->speed = 0; + res = usb_autopm_get_interface(tp->intf); if (res < 0) { free_all_mem(tp); @@ -2904,6 +2910,8 @@ static int rtl8152_open(struct net_device *netdev) clear_bit(WORK_ENABLE, &tp->flags); usb_kill_urb(tp->intr_urb); cancel_delayed_work_sync(&tp->schedule); + + /* disable the tx/rx, if the workqueue has enabled them. */ if (tp->speed & LINK_STATUS) tp->rtl_ops.disable(tp); } @@ -2955,10 +2963,7 @@ static int rtl8152_close(struct net_device *netdev) * be disable when autoresume occurs, because the * netif_running() would be false. */ - if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { - rtl_runtime_suspend_enable(tp, false); - clear_bit(SELECTIVE_SUSPEND, &tp->flags); - } + rtl_runtime_suspend_enable(tp, false); tasklet_disable(&tp->tl); tp->rtl_ops.down(tp); @@ -3205,7 +3210,7 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) netif_device_detach(netdev); } - if (netif_running(netdev)) { + if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) { clear_bit(WORK_ENABLE, &tp->flags); usb_kill_urb(tp->intr_urb); tasklet_disable(&tp->tl); @@ -3253,6 +3258,8 @@ static int rtl8152_resume(struct usb_interface *intf) set_bit(WORK_ENABLE, &tp->flags); } usb_submit_urb(tp->intr_urb, GFP_KERNEL); + } else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { + clear_bit(SELECTIVE_SUSPEND, &tp->flags); } mutex_unlock(&tp->control); diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 20615bbd693b..3a6770a65d78 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1052,6 +1052,21 @@ static void __handle_link_change(struct usbnet *dev) clear_bit(EVENT_LINK_CHANGE, &dev->flags); } +static void usbnet_set_rx_mode(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + + usbnet_defer_kevent(dev, EVENT_SET_RX_MODE); +} + +static void __handle_set_rx_mode(struct usbnet *dev) +{ + if (dev->driver_info->set_rx_mode) + (dev->driver_info->set_rx_mode)(dev); + + clear_bit(EVENT_SET_RX_MODE, &dev->flags); +} + /* work that cannot be done in interrupt context uses keventd. * * NOTE: with 2.5 we could do more of this using completion callbacks, @@ -1157,6 +1172,10 @@ kevent (struct work_struct *work) if (test_bit (EVENT_LINK_CHANGE, &dev->flags)) __handle_link_change(dev); + if (test_bit (EVENT_SET_RX_MODE, &dev->flags)) + __handle_set_rx_mode(dev); + + if (dev->flags) netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags); } @@ -1525,6 +1544,7 @@ static const struct net_device_ops usbnet_netdev_ops = { .ndo_stop = usbnet_stop, .ndo_start_xmit = usbnet_start_xmit, .ndo_tx_timeout = usbnet_tx_timeout, + .ndo_set_rx_mode = usbnet_set_rx_mode, .ndo_change_mtu = usbnet_change_mtu, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d75256bd1a6a..ec2a8b41ed41 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -491,8 +491,17 @@ static void receive_buf(struct receive_queue *rq, void *buf, unsigned int len) skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; break; case VIRTIO_NET_HDR_GSO_UDP: + { + static bool warned; + + if (!warned) { + warned = true; + netdev_warn(dev, + "host using disabled UFO feature; please fix it\n"); + } skb_shinfo(skb)->gso_type = SKB_GSO_UDP; break; + } case VIRTIO_NET_HDR_GSO_TCPV6: skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; break; @@ -881,8 +890,6 @@ static int xmit_skb(struct send_queue *sq, struct sk_buff *skb) hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV4; else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_TCPV6; - else if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP) - hdr->hdr.gso_type = VIRTIO_NET_HDR_GSO_UDP; else BUG(); if (skb_shinfo(skb)->gso_type & SKB_GSO_TCP_ECN) @@ -1705,7 +1712,7 @@ static int virtnet_probe(struct virtio_device *vdev) dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; if (virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) { - dev->hw_features |= NETIF_F_TSO | NETIF_F_UFO + dev->hw_features |= NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6; } /* Individual feature bits: what can host handle? */ @@ -1715,11 +1722,9 @@ static int virtnet_probe(struct virtio_device *vdev) dev->hw_features |= NETIF_F_TSO6; if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_ECN)) dev->hw_features |= NETIF_F_TSO_ECN; - if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_UFO)) - dev->hw_features |= NETIF_F_UFO; if (gso) - dev->features |= dev->hw_features & (NETIF_F_ALL_TSO|NETIF_F_UFO); + dev->features |= dev->hw_features & NETIF_F_ALL_TSO; /* (!csum && gso) case will be fixed by register_netdev() */ } if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_CSUM)) @@ -1757,8 +1762,7 @@ static int virtnet_probe(struct virtio_device *vdev) /* If we can receive ANY GSO packets, we must allocate large ones. */ if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) || virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) || - virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) || - virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO)) + virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN)) vi->big_packets = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) @@ -1952,9 +1956,9 @@ static struct virtio_device_id id_table[] = { static unsigned int features[] = { VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GUEST_CSUM, VIRTIO_NET_F_GSO, VIRTIO_NET_F_MAC, - VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6, + VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_TSO6, VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, - VIRTIO_NET_F_GUEST_ECN, VIRTIO_NET_F_GUEST_UFO, + VIRTIO_NET_F_GUEST_ECN, VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ, VIRTIO_NET_F_CTRL_RX, VIRTIO_NET_F_CTRL_VLAN, VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index ca309820d39e..fa9dc45b75a6 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -275,13 +275,15 @@ static inline struct vxlan_rdst *first_remote_rtnl(struct vxlan_fdb *fdb) return list_first_entry(&fdb->remotes, struct vxlan_rdst, list); } -/* Find VXLAN socket based on network namespace and UDP port */ -static struct vxlan_sock *vxlan_find_sock(struct net *net, __be16 port) +/* Find VXLAN socket based on network namespace, address family and UDP port */ +static struct vxlan_sock *vxlan_find_sock(struct net *net, + sa_family_t family, __be16 port) { struct vxlan_sock *vs; hlist_for_each_entry_rcu(vs, vs_head(net, port), hlist) { - if (inet_sk(vs->sock->sk)->inet_sport == port) + if (inet_sk(vs->sock->sk)->inet_sport == port && + inet_sk(vs->sock->sk)->sk.sk_family == family) return vs; } return NULL; @@ -300,11 +302,12 @@ static struct vxlan_dev *vxlan_vs_find_vni(struct vxlan_sock *vs, u32 id) } /* Look up VNI in a per net namespace table */ -static struct vxlan_dev *vxlan_find_vni(struct net *net, u32 id, __be16 port) +static struct vxlan_dev *vxlan_find_vni(struct net *net, u32 id, + sa_family_t family, __be16 port) { struct vxlan_sock *vs; - vs = vxlan_find_sock(net, port); + vs = vxlan_find_sock(net, family, port); if (!vs) return NULL; @@ -621,6 +624,8 @@ static int vxlan_gro_complete(struct sk_buff *skb, int nhoff) int vxlan_len = sizeof(struct vxlanhdr) + sizeof(struct ethhdr); int err = -ENOSYS; + udp_tunnel_gro_complete(skb, nhoff); + eh = (struct ethhdr *)(skb->data + nhoff + sizeof(struct vxlanhdr)); type = eh->h_proto; @@ -1771,7 +1776,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, struct vxlan_dev *dst_vxlan; ip_rt_put(rt); - dst_vxlan = vxlan_find_vni(vxlan->net, vni, dst_port); + dst_vxlan = vxlan_find_vni(vxlan->net, vni, + dst->sa.sa_family, dst_port); if (!dst_vxlan) goto tx_error; vxlan_encap_bypass(skb, vxlan, dst_vxlan); @@ -1825,7 +1831,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, struct vxlan_dev *dst_vxlan; dst_release(ndst); - dst_vxlan = vxlan_find_vni(vxlan->net, vni, dst_port); + dst_vxlan = vxlan_find_vni(vxlan->net, vni, + dst->sa.sa_family, dst_port); if (!dst_vxlan) goto tx_error; vxlan_encap_bypass(skb, vxlan, dst_vxlan); @@ -1985,13 +1992,15 @@ static int vxlan_init(struct net_device *dev) struct vxlan_dev *vxlan = netdev_priv(dev); struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id); struct vxlan_sock *vs; + bool ipv6 = vxlan->flags & VXLAN_F_IPV6; dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); if (!dev->tstats) return -ENOMEM; spin_lock(&vn->sock_lock); - vs = vxlan_find_sock(vxlan->net, vxlan->dst_port); + vs = vxlan_find_sock(vxlan->net, ipv6 ? AF_INET6 : AF_INET, + vxlan->dst_port); if (vs) { /* If we have a socket with same port already, reuse it */ atomic_inc(&vs->refcnt); @@ -2382,6 +2391,7 @@ struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port, { struct vxlan_net *vn = net_generic(net, vxlan_net_id); struct vxlan_sock *vs; + bool ipv6 = flags & VXLAN_F_IPV6; vs = vxlan_socket_create(net, port, rcv, data, flags); if (!IS_ERR(vs)) @@ -2391,7 +2401,7 @@ struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port, return vs; spin_lock(&vn->sock_lock); - vs = vxlan_find_sock(net, port); + vs = vxlan_find_sock(net, ipv6 ? AF_INET6 : AF_INET, port); if (vs) { if (vs->rcv == rcv) atomic_inc(&vs->refcnt); @@ -2550,7 +2560,8 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, nla_get_u8(data[IFLA_VXLAN_UDP_ZERO_CSUM6_RX])) vxlan->flags |= VXLAN_F_UDP_ZERO_CSUM6_RX; - if (vxlan_find_vni(net, vni, vxlan->dst_port)) { + if (vxlan_find_vni(net, vni, use_ipv6 ? AF_INET6 : AF_INET, + vxlan->dst_port)) { pr_info("duplicate VNI %u\n", vni); return -EEXIST; } diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h index e5ba6faf3281..86907e5ba6ca 100644 --- a/drivers/net/wireless/ath/ath.h +++ b/drivers/net/wireless/ath/ath.h @@ -80,6 +80,7 @@ struct reg_dmn_pair_mapping { struct ath_regulatory { char alpha2[2]; + enum nl80211_dfs_regions region; u16 country_code; u16 max_power_level; u16 current_rd; diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c index c6dd7f1fed65..33b0c7aef2ea 100644 --- a/drivers/net/wireless/ath/ath9k/common.c +++ b/drivers/net/wireless/ath/ath9k/common.c @@ -368,11 +368,11 @@ void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow, { struct ath_regulatory *reg = ath9k_hw_regulatory(ah); - if (reg->power_limit != new_txpow) { + if (reg->power_limit != new_txpow) ath9k_hw_set_txpowerlimit(ah, new_txpow, false); - /* read back in case value is clamped */ - *txpower = reg->max_power_level; - } + + /* read back in case value is clamped */ + *txpower = reg->max_power_level; } EXPORT_SYMBOL(ath9k_cmn_update_txpow); diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 46f20a309b5f..5c45e787814e 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -455,7 +455,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf, "%2d %2x %1x %2x %2x\n", i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), - val[2] & (0x7 << (i * 3)) >> (i * 3), + (val[2] & (0x7 << (i * 3))) >> (i * 3), (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); } diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 156a944134dc..3bd030494986 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -734,6 +734,32 @@ static const struct ieee80211_iface_combination if_comb[] = { #endif }; +#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT +static void ath9k_set_mcc_capab(struct ath_softc *sc, struct ieee80211_hw *hw) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + + if (!ath9k_is_chanctx_enabled()) + return; + + hw->flags |= IEEE80211_HW_QUEUE_CONTROL; + hw->queues = ATH9K_NUM_TX_QUEUES; + hw->offchannel_tx_hw_queue = hw->queues - 1; + hw->wiphy->interface_modes &= ~ BIT(NL80211_IFTYPE_WDS); + hw->wiphy->iface_combinations = if_comb_multi; + hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_multi); + hw->wiphy->max_scan_ssids = 255; + hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; + hw->wiphy->max_remain_on_channel_duration = 10000; + hw->chanctx_data_size = sizeof(void *); + hw->extra_beacon_tailroom = + sizeof(struct ieee80211_p2p_noa_attr) + 9; + + ath_dbg(common, CHAN_CTX, "Use channel contexts\n"); +} +#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */ + static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) { struct ath_hw *ah = sc->sc_ah; @@ -746,7 +772,6 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_RC_TABLE | - IEEE80211_HW_QUEUE_CONTROL | IEEE80211_HW_SUPPORTS_HT_CCK_RATES; if (ath9k_ps_enable) @@ -781,24 +806,6 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); } -#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT - - if (ath9k_is_chanctx_enabled()) { - hw->wiphy->interface_modes &= ~ BIT(NL80211_IFTYPE_WDS); - hw->wiphy->iface_combinations = if_comb_multi; - hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_multi); - hw->wiphy->max_scan_ssids = 255; - hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; - hw->wiphy->max_remain_on_channel_duration = 10000; - hw->chanctx_data_size = sizeof(void *); - hw->extra_beacon_tailroom = - sizeof(struct ieee80211_p2p_noa_attr) + 9; - - ath_dbg(common, CHAN_CTX, "Use channel contexts\n"); - } - -#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */ - hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; @@ -808,12 +815,7 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; - /* allow 4 queues per channel context + - * 1 cab queue + 1 offchannel tx queue - */ - hw->queues = ATH9K_NUM_TX_QUEUES; - /* last queue for offchannel */ - hw->offchannel_tx_hw_queue = hw->queues - 1; + hw->queues = 4; hw->max_rates = 4; hw->max_listen_interval = 10; hw->max_rate_tries = 10; @@ -837,6 +839,9 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &common->sbands[IEEE80211_BAND_5GHZ]; +#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT + ath9k_set_mcc_capab(sc, hw); +#endif ath9k_init_wow(hw); ath9k_cmn_reload_chainmask(ah); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 6f6a974f7fdb..30c66dfcd7a0 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1162,6 +1162,9 @@ static void ath9k_assign_hw_queues(struct ieee80211_hw *hw, { int i; + if (!ath9k_is_chanctx_enabled()) + return; + for (i = 0; i < IEEE80211_NUM_ACS; i++) vif->hw_queue[i] = i; diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 493a183d0aaf..d6e54a3c88f6 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -169,7 +169,10 @@ static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq, if (txq->stopped && txq->pending_frames < sc->tx.txq_max_pending[q]) { - ieee80211_wake_queue(sc->hw, info->hw_queue); + if (ath9k_is_chanctx_enabled()) + ieee80211_wake_queue(sc->hw, info->hw_queue); + else + ieee80211_wake_queue(sc->hw, q); txq->stopped = false; } } @@ -2247,7 +2250,10 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, fi->txq = q; if (++txq->pending_frames > sc->tx.txq_max_pending[q] && !txq->stopped) { - ieee80211_stop_queue(sc->hw, info->hw_queue); + if (ath9k_is_chanctx_enabled()) + ieee80211_stop_queue(sc->hw, info->hw_queue); + else + ieee80211_stop_queue(sc->hw, q); txq->stopped = true; } } diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c index 415393dfb6fc..06ea6cc9e30a 100644 --- a/drivers/net/wireless/ath/regd.c +++ b/drivers/net/wireless/ath/regd.c @@ -515,6 +515,7 @@ void ath_reg_notifier_apply(struct wiphy *wiphy, if (!request) return; + reg->region = request->dfs_region; switch (request->initiator) { case NL80211_REGDOM_SET_BY_CORE: /* @@ -779,6 +780,19 @@ u32 ath_regd_get_band_ctl(struct ath_regulatory *reg, return SD_NO_CTL; } + if (ath_regd_get_eepromRD(reg) == CTRY_DEFAULT) { + switch (reg->region) { + case NL80211_DFS_FCC: + return CTL_FCC; + case NL80211_DFS_ETSI: + return CTL_ETSI; + case NL80211_DFS_JP: + return CTL_MKK; + default: + break; + } + } + switch (band) { case IEEE80211_BAND_2GHZ: return reg->regpair->reg_2ghz_ctl; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c index f55f625fd06b..d20d4e6f391a 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c @@ -670,7 +670,6 @@ static int brcmf_sdio_get_fwnames(struct brcmf_chip *ci, struct brcmf_sdio_dev *sdiodev) { int i; - uint fw_len, nv_len; char end; for (i = 0; i < ARRAY_SIZE(brcmf_fwname_data); i++) { @@ -684,25 +683,25 @@ static int brcmf_sdio_get_fwnames(struct brcmf_chip *ci, return -ENODEV; } - fw_len = sizeof(sdiodev->fw_name) - 1; - nv_len = sizeof(sdiodev->nvram_name) - 1; /* check if firmware path is provided by module parameter */ if (brcmf_firmware_path[0] != '\0') { - strncpy(sdiodev->fw_name, brcmf_firmware_path, fw_len); - strncpy(sdiodev->nvram_name, brcmf_firmware_path, nv_len); - fw_len -= strlen(sdiodev->fw_name); - nv_len -= strlen(sdiodev->nvram_name); + strlcpy(sdiodev->fw_name, brcmf_firmware_path, + sizeof(sdiodev->fw_name)); + strlcpy(sdiodev->nvram_name, brcmf_firmware_path, + sizeof(sdiodev->nvram_name)); end = brcmf_firmware_path[strlen(brcmf_firmware_path) - 1]; if (end != '/') { - strncat(sdiodev->fw_name, "/", fw_len); - strncat(sdiodev->nvram_name, "/", nv_len); - fw_len--; - nv_len--; + strlcat(sdiodev->fw_name, "/", + sizeof(sdiodev->fw_name)); + strlcat(sdiodev->nvram_name, "/", + sizeof(sdiodev->nvram_name)); } } - strncat(sdiodev->fw_name, brcmf_fwname_data[i].bin, fw_len); - strncat(sdiodev->nvram_name, brcmf_fwname_data[i].nv, nv_len); + strlcat(sdiodev->fw_name, brcmf_fwname_data[i].bin, + sizeof(sdiodev->fw_name)); + strlcat(sdiodev->nvram_name, brcmf_fwname_data[i].nv, + sizeof(sdiodev->nvram_name)); return 0; } diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index 2364a3c09b9e..cae692ff1013 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -1095,6 +1095,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop) { struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); + u32 scd_queues; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "enter\n"); @@ -1108,18 +1109,19 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, goto done; } - /* - * mac80211 will not push any more frames for transmit - * until the flush is completed - */ - if (drop) { - IWL_DEBUG_MAC80211(priv, "send flush command\n"); - if (iwlagn_txfifo_flush(priv, 0)) { - IWL_ERR(priv, "flush request fail\n"); - goto done; - } + scd_queues = BIT(priv->cfg->base_params->num_of_queues) - 1; + scd_queues &= ~(BIT(IWL_IPAN_CMD_QUEUE_NUM) | + BIT(IWL_DEFAULT_CMD_QUEUE_NUM)); + + if (vif) + scd_queues &= ~BIT(vif->hw_queue[IEEE80211_AC_VO]); + + IWL_DEBUG_TX_QUEUES(priv, "Flushing SCD queues: 0x%x\n", scd_queues); + if (iwlagn_txfifo_flush(priv, scd_queues)) { + IWL_ERR(priv, "flush request fail\n"); + goto done; } - IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); + IWL_DEBUG_TX_QUEUES(priv, "wait transmit/flush all frames\n"); iwl_trans_wait_tx_queue_empty(priv->trans, 0xffffffff); done: mutex_unlock(&priv->mutex); diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c index e4351487ca72..d2b7234b1c73 100644 --- a/drivers/net/wireless/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/iwlwifi/iwl-8000.c @@ -82,7 +82,8 @@ #define IWL8000_TX_POWER_VERSION 0xffff /* meaningless */ #define IWL8000_FW_PRE "iwlwifi-8000" -#define IWL8000_MODULE_FIRMWARE(api) IWL8000_FW_PRE __stringify(api) ".ucode" +#define IWL8000_MODULE_FIRMWARE(api) \ + IWL8000_FW_PRE "-" __stringify(api) ".ucode" #define NVM_HW_SECTION_NUM_FAMILY_8000 10 #define DEFAULT_NVM_FILE_FAMILY_8000 "iwl_nvm_8000.bin" diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 9eb85249e89c..d8fc548c0d6c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -563,6 +563,7 @@ enum iwl_trans_state { * Set during transport allocation. * @hw_id_str: a string with info about HW ID. Set during transport allocation. * @pm_support: set to true in start_hw if link pm is supported + * @ltr_enabled: set to true if the LTR is enabled * @dev_cmd_pool: pool for Tx cmd allocation - for internal use only. * The user should use iwl_trans_{alloc,free}_tx_cmd. * @dev_cmd_headroom: room needed for the transport's private use before the @@ -589,6 +590,7 @@ struct iwl_trans { u8 rx_mpdu_cmd, rx_mpdu_cmd_hdr_size; bool pm_support; + bool ltr_enabled; /* The following fields are internal only */ struct kmem_cache *dev_cmd_pool; diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c index 8df2021f9856..da2ffb785194 100644 --- a/drivers/net/wireless/iwlwifi/mvm/coex.c +++ b/drivers/net/wireless/iwlwifi/mvm/coex.c @@ -303,8 +303,8 @@ static const __le64 iwl_ci_mask[][3] = { }; static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = { - cpu_to_le32(0x28412201), - cpu_to_le32(0x11118451), + cpu_to_le32(0x2e402280), + cpu_to_le32(0x7711a751), }; struct corunning_block_luts { diff --git a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c index 585c0ab4a3ec..8a1d2f33d5b7 100644 --- a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c +++ b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c @@ -291,8 +291,8 @@ static const __le64 iwl_ci_mask[][3] = { }; static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = { - cpu_to_le32(0x28412201), - cpu_to_le32(0x11118451), + cpu_to_le32(0x2e402280), + cpu_to_le32(0x7711a751), }; struct corunning_block_luts { diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h index 27dd86395b39..2fd8ad4633e0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h @@ -68,13 +68,46 @@ /* Power Management Commands, Responses, Notifications */ +/** + * enum iwl_ltr_config_flags - masks for LTR config command flags + * @LTR_CFG_FLAG_FEATURE_ENABLE: Feature operational status + * @LTR_CFG_FLAG_HW_DIS_ON_SHADOW_REG_ACCESS: allow LTR change on shadow + * memory access + * @LTR_CFG_FLAG_HW_EN_SHRT_WR_THROUGH: allow LTR msg send on ANY LTR + * reg change + * @LTR_CFG_FLAG_HW_DIS_ON_D0_2_D3: allow LTR msg send on transition from + * D0 to D3 + * @LTR_CFG_FLAG_SW_SET_SHORT: fixed static short LTR register + * @LTR_CFG_FLAG_SW_SET_LONG: fixed static short LONG register + * @LTR_CFG_FLAG_DENIE_C10_ON_PD: allow going into C10 on PD + */ +enum iwl_ltr_config_flags { + LTR_CFG_FLAG_FEATURE_ENABLE = BIT(0), + LTR_CFG_FLAG_HW_DIS_ON_SHADOW_REG_ACCESS = BIT(1), + LTR_CFG_FLAG_HW_EN_SHRT_WR_THROUGH = BIT(2), + LTR_CFG_FLAG_HW_DIS_ON_D0_2_D3 = BIT(3), + LTR_CFG_FLAG_SW_SET_SHORT = BIT(4), + LTR_CFG_FLAG_SW_SET_LONG = BIT(5), + LTR_CFG_FLAG_DENIE_C10_ON_PD = BIT(6), +}; + +/** + * struct iwl_ltr_config_cmd - configures the LTR + * @flags: See %enum iwl_ltr_config_flags + */ +struct iwl_ltr_config_cmd { + __le32 flags; + __le32 static_long; + __le32 static_short; +} __packed; + /* Radio LP RX Energy Threshold measured in dBm */ #define POWER_LPRX_RSSI_THRESHOLD 75 #define POWER_LPRX_RSSI_THRESHOLD_MAX 94 #define POWER_LPRX_RSSI_THRESHOLD_MIN 30 /** - * enum iwl_scan_flags - masks for power table command flags + * enum iwl_power_flags - masks for power table command flags * @POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off * receiver and transmitter. '0' - does not allow. * @POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK: '0' Driver disables power management, diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 667a92274c87..c62575d86bcd 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -157,6 +157,7 @@ enum { /* Power - legacy power table command */ POWER_TABLE_CMD = 0x77, PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION = 0x78, + LTR_CONFIG = 0xee, /* Thermal Throttling*/ REPLY_THERMAL_MNG_BACKOFF = 0x7e, diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index 23fd711a67e4..eb03943f8463 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -284,7 +284,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) lockdep_assert_held(&mvm->mutex); - if (WARN_ON_ONCE(mvm->init_ucode_complete)) + if (WARN_ON_ONCE(mvm->init_ucode_complete || mvm->calibrating)) return 0; iwl_init_notification_wait(&mvm->notif_wait, @@ -334,6 +334,8 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) goto out; } + mvm->calibrating = true; + /* Send TX valid antennas before triggering calibrations */ ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant); if (ret) @@ -358,11 +360,17 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) MVM_UCODE_CALIB_TIMEOUT); if (!ret) mvm->init_ucode_complete = true; + + if (ret && iwl_mvm_is_radio_killed(mvm)) { + IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); + ret = 1; + } goto out; error: iwl_remove_notification(&mvm->notif_wait, &calib_wait); out: + mvm->calibrating = false; if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { /* we want to debug INIT and we have no NVM - fake */ mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + @@ -480,6 +488,15 @@ int iwl_mvm_up(struct iwl_mvm *mvm) /* Initialize tx backoffs to the minimal possible */ iwl_mvm_tt_tx_backoff(mvm, 0); + if (mvm->trans->ltr_enabled) { + struct iwl_ltr_config_cmd cmd = { + .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), + }; + + WARN_ON(iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, + sizeof(cmd), &cmd)); + } + ret = iwl_mvm_power_update_device(mvm); if (ret) goto error; diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index c7a73c68bdab..b62405865b25 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -526,7 +526,8 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, } if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE && - !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status)) + !test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) && + !test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) goto drop; /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */ @@ -787,6 +788,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) mvm->scan_status = IWL_MVM_SCAN_NONE; mvm->ps_disabled = false; + mvm->calibrating = false; /* just in case one was running */ ieee80211_remain_on_channel_expired(mvm->hw); @@ -1734,6 +1736,13 @@ iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm, if (changes & BSS_CHANGED_BEACON && iwl_mvm_mac_ctxt_beacon_changed(mvm, vif)) IWL_WARN(mvm, "Failed updating beacon data\n"); + + if (changes & BSS_CHANGED_TXPOWER) { + IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", + bss_conf->txpower); + iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower); + } + } static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, @@ -2367,14 +2376,19 @@ static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, /* Set the node address */ memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN); + lockdep_assert_held(&mvm->mutex); + + spin_lock_bh(&mvm->time_event_lock); + + if (WARN_ON(te_data->id == HOT_SPOT_CMD)) { + spin_unlock_bh(&mvm->time_event_lock); + return -EIO; + } + te_data->vif = vif; te_data->duration = duration; te_data->id = HOT_SPOT_CMD; - lockdep_assert_held(&mvm->mutex); - - spin_lock_bh(&mvm->time_event_lock); - list_add_tail(&te_data->list, &mvm->time_event_list); spin_unlock_bh(&mvm->time_event_lock); /* @@ -2430,22 +2444,23 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, duration, type); + mutex_lock(&mvm->mutex); + switch (vif->type) { case NL80211_IFTYPE_STATION: /* Use aux roc framework (HS20) */ ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, vif, duration); - return ret; + goto out_unlock; case NL80211_IFTYPE_P2P_DEVICE: /* handle below */ break; default: IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); - return -EINVAL; + ret = -EINVAL; + goto out_unlock; } - mutex_lock(&mvm->mutex); - for (i = 0; i < NUM_PHY_CTX; i++) { phy_ctxt = &mvm->phy_ctxts[i]; if (phy_ctxt->ref == 0 || mvmvif->phy_ctxt == phy_ctxt) diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index b153ced7015b..845429c88cf4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -548,6 +548,7 @@ struct iwl_mvm { enum iwl_ucode_type cur_ucode; bool ucode_loaded; bool init_ucode_complete; + bool calibrating; u32 error_event_table; u32 log_event_table; u32 umac_error_event_table; diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 15aa298ee79c..5b719ee8e789 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -336,6 +336,7 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(DTS_MEASUREMENT_NOTIFICATION), CMD(REPLY_THERMAL_MNG_BACKOFF), CMD(MAC_PM_POWER_TABLE), + CMD(LTR_CONFIG), CMD(BT_COEX_CI), CMD(BT_COEX_UPDATE_SW_BOOST), CMD(BT_COEX_UPDATE_CORUN_LUT), @@ -423,6 +424,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, } mvm->sf_state = SF_UNINIT; mvm->low_latency_agg_frame_limit = 6; + mvm->cur_ucode = IWL_UCODE_INIT; mutex_init(&mvm->mutex); mutex_init(&mvm->d0i3_suspend_mutex); @@ -751,6 +753,7 @@ void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + bool calibrating = ACCESS_ONCE(mvm->calibrating); if (state) set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); @@ -759,7 +762,15 @@ static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm)); - return state && mvm->cur_ucode != IWL_UCODE_INIT; + /* iwl_run_init_mvm_ucode is waiting for results, abort it */ + if (calibrating) + iwl_abort_notification_waits(&mvm->notif_wait); + + /* + * Stop the device if we run OPERATIONAL firmware or if we are in the + * middle of the calibrations. + */ + return state && (mvm->cur_ucode != IWL_UCODE_INIT || calibrating); } static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index cb85e63c20aa..b280d5d87127 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -459,7 +459,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, basic_ssid ? 1 : 0); cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | - TX_CMD_FLG_BT_DIS); + 3 << TX_CMD_FLG_BT_PRIO_POS); + cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id; cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); cmd->tx_cmd.rate_n_flags = diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index b7f9e61d14e2..6dfad230be5e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -305,8 +305,8 @@ static int iwl_mvm_aux_roc_te_handle_notif(struct iwl_mvm *mvm, te_data->running = false; te_data->vif = NULL; te_data->uid = 0; + te_data->id = TE_MAX; } else if (le32_to_cpu(notif->action) == TE_V2_NOTIF_HOST_EVENT_START) { - set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); set_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status); te_data->running = true; ieee80211_ready_on_channel(mvm->hw); /* Start TE */ diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 1cb793a498ac..c6a517c771df 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -175,14 +175,10 @@ static void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, /* * for data packets, rate info comes from the table inside the fw. This - * table is controlled by LINK_QUALITY commands. Exclude ctrl port - * frames like EAPOLs which should be treated as mgmt frames. This - * avoids them being sent initially in high rates which increases the - * chances for completion of the 4-Way handshake. + * table is controlled by LINK_QUALITY commands */ - if (ieee80211_is_data(fc) && sta && - !(info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO)) { + if (ieee80211_is_data(fc) && sta) { tx_cmd->initial_rate_index = 0; tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_STA_RATE); return; diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 1393bac0025c..160c3ebc48d0 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -174,6 +174,7 @@ static void iwl_pcie_apm_config(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); u16 lctl; + u16 cap; /* * HW bug W/A for instability in PCIe bus L0S->L1 transition. @@ -184,16 +185,17 @@ static void iwl_pcie_apm_config(struct iwl_trans *trans) * power savings, even without L1. */ pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_LNKCTL, &lctl); - if (lctl & PCI_EXP_LNKCTL_ASPM_L1) { - /* L1-ASPM enabled; disable(!) L0S */ + if (lctl & PCI_EXP_LNKCTL_ASPM_L1) iwl_set_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); - dev_info(trans->dev, "L1 Enabled; Disabling L0S\n"); - } else { - /* L1-ASPM disabled; enable(!) L0S */ + else iwl_clear_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); - dev_info(trans->dev, "L1 Disabled; Enabling L0S\n"); - } trans->pm_support = !(lctl & PCI_EXP_LNKCTL_ASPM_L0S); + + pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_DEVCTL2, &cap); + trans->ltr_enabled = cap & PCI_EXP_DEVCTL2_LTR_EN; + dev_info(trans->dev, "L1 %sabled - LTR %sabled\n", + (lctl & PCI_EXP_LNKCTL_ASPM_L1) ? "En" : "Dis", + trans->ltr_enabled ? "En" : "Dis"); } /* @@ -428,7 +430,7 @@ static int iwl_pcie_apm_stop_master(struct iwl_trans *trans) ret = iwl_poll_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED, CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); - if (ret) + if (ret < 0) IWL_WARN(trans, "Master Disable Timed Out, 100 usec\n"); IWL_DEBUG_INFO(trans, "stop master\n"); @@ -544,7 +546,7 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) msleep(25); } - IWL_DEBUG_INFO(trans, "got NIC after %d iterations\n", iter); + IWL_ERR(trans, "Couldn't prepare the card\n"); return ret; } @@ -913,7 +915,8 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) * restart. So don't process again if the device is * already dead. */ - if (test_bit(STATUS_DEVICE_ENABLED, &trans->status)) { + if (test_and_clear_bit(STATUS_DEVICE_ENABLED, &trans->status)) { + IWL_DEBUG_INFO(trans, "DEVICE_ENABLED bit was set and is now cleared\n"); iwl_pcie_tx_stop(trans); iwl_pcie_rx_stop(trans); @@ -943,7 +946,6 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) /* clear all status bits */ clear_bit(STATUS_SYNC_HCMD_ACTIVE, &trans->status); clear_bit(STATUS_INT_ENABLED, &trans->status); - clear_bit(STATUS_DEVICE_ENABLED, &trans->status); clear_bit(STATUS_TPOWER_PMI, &trans->status); clear_bit(STATUS_RFKILL, &trans->status); @@ -1043,7 +1045,7 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); - if (ret) { + if (ret < 0) { IWL_ERR(trans, "Failed to resume the device (mac ready)\n"); return ret; } diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index babbdc1ce741..c9ad4cf1adfb 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1987,7 +1987,7 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2, if (err != 0) { printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n", err); - goto failed_hw; + goto failed_bind; } skb_queue_head_init(&data->pending); @@ -2183,6 +2183,8 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2, return idx; failed_hw: + device_release_driver(data->dev); +failed_bind: device_unregister(data->dev); failed_drvdata: ieee80211_free_hw(hw); diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c index 40057079ffb9..5ef5a0eeba50 100644 --- a/drivers/net/wireless/mwifiex/11n_rxreorder.c +++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c @@ -196,6 +196,7 @@ mwifiex_del_rx_reorder_entry(struct mwifiex_private *priv, mwifiex_11n_dispatch_pkt_until_start_win(priv, tbl, start_win); del_timer_sync(&tbl->timer_context.timer); + tbl->timer_context.timer_is_set = false; spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags); list_del(&tbl->list); @@ -297,6 +298,7 @@ mwifiex_flush_data(unsigned long context) (struct reorder_tmr_cnxt *) context; int start_win, seq_num; + ctx->timer_is_set = false; seq_num = mwifiex_11n_find_last_seq_num(ctx); if (seq_num < 0) @@ -385,6 +387,7 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta, new_node->timer_context.ptr = new_node; new_node->timer_context.priv = priv; + new_node->timer_context.timer_is_set = false; init_timer(&new_node->timer_context.timer); new_node->timer_context.timer.function = mwifiex_flush_data; @@ -399,6 +402,22 @@ mwifiex_11n_create_rx_reorder_tbl(struct mwifiex_private *priv, u8 *ta, spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags); } +static void +mwifiex_11n_rxreorder_timer_restart(struct mwifiex_rx_reorder_tbl *tbl) +{ + u32 min_flush_time; + + if (tbl->win_size >= MWIFIEX_BA_WIN_SIZE_32) + min_flush_time = MIN_FLUSH_TIMER_15_MS; + else + min_flush_time = MIN_FLUSH_TIMER_MS; + + mod_timer(&tbl->timer_context.timer, + jiffies + msecs_to_jiffies(min_flush_time * tbl->win_size)); + + tbl->timer_context.timer_is_set = true; +} + /* * This function prepares command for adding a BA request. * @@ -523,31 +542,31 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv, u8 *ta, u8 pkt_type, void *payload) { struct mwifiex_rx_reorder_tbl *tbl; - int start_win, end_win, win_size; + int prev_start_win, start_win, end_win, win_size; u16 pkt_index; bool init_window_shift = false; + int ret = 0; tbl = mwifiex_11n_get_rx_reorder_tbl(priv, tid, ta); if (!tbl) { if (pkt_type != PKT_TYPE_BAR) mwifiex_11n_dispatch_pkt(priv, payload); - return 0; + return ret; } if ((pkt_type == PKT_TYPE_AMSDU) && !tbl->amsdu) { mwifiex_11n_dispatch_pkt(priv, payload); - return 0; + return ret; } start_win = tbl->start_win; + prev_start_win = start_win; win_size = tbl->win_size; end_win = ((start_win + win_size) - 1) & (MAX_TID_VALUE - 1); if (tbl->flags & RXREOR_INIT_WINDOW_SHIFT) { init_window_shift = true; tbl->flags &= ~RXREOR_INIT_WINDOW_SHIFT; } - mod_timer(&tbl->timer_context.timer, - jiffies + msecs_to_jiffies(MIN_FLUSH_TIMER_MS * win_size)); if (tbl->flags & RXREOR_FORCE_NO_DROP) { dev_dbg(priv->adapter->dev, @@ -568,11 +587,14 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv, if ((start_win + TWOPOW11) > (MAX_TID_VALUE - 1)) { if (seq_num >= ((start_win + TWOPOW11) & (MAX_TID_VALUE - 1)) && - seq_num < start_win) - return -1; + seq_num < start_win) { + ret = -1; + goto done; + } } else if ((seq_num < start_win) || - (seq_num > (start_win + TWOPOW11))) { - return -1; + (seq_num >= (start_win + TWOPOW11))) { + ret = -1; + goto done; } } @@ -601,8 +623,10 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv, else pkt_index = (seq_num+MAX_TID_VALUE) - start_win; - if (tbl->rx_reorder_ptr[pkt_index]) - return -1; + if (tbl->rx_reorder_ptr[pkt_index]) { + ret = -1; + goto done; + } tbl->rx_reorder_ptr[pkt_index] = payload; } @@ -613,7 +637,11 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv, */ mwifiex_11n_scan_and_dispatch(priv, tbl); - return 0; +done: + if (!tbl->timer_context.timer_is_set || + prev_start_win != tbl->start_win) + mwifiex_11n_rxreorder_timer_restart(tbl); + return ret; } /* diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.h b/drivers/net/wireless/mwifiex/11n_rxreorder.h index 3a87bb0e3a62..63ecea89b4ab 100644 --- a/drivers/net/wireless/mwifiex/11n_rxreorder.h +++ b/drivers/net/wireless/mwifiex/11n_rxreorder.h @@ -21,6 +21,8 @@ #define _MWIFIEX_11N_RXREORDER_H_ #define MIN_FLUSH_TIMER_MS 50 +#define MIN_FLUSH_TIMER_15_MS 15 +#define MWIFIEX_BA_WIN_SIZE_32 32 #define PKT_TYPE_BAR 0xE7 #define MAX_TID_VALUE (2 << 11) diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index e2635747d966..f55658d15c60 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -592,6 +592,7 @@ struct reorder_tmr_cnxt { struct timer_list timer; struct mwifiex_rx_reorder_tbl *ptr; struct mwifiex_private *priv; + u8 timer_is_set; }; struct mwifiex_rx_reorder_tbl { diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 573897b8e878..8444313eabe2 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -1111,6 +1111,7 @@ static struct usb_device_id rt2800usb_device_table[] = { /* Ovislink */ { USB_DEVICE(0x1b75, 0x3071) }, { USB_DEVICE(0x1b75, 0x3072) }, + { USB_DEVICE(0x1b75, 0xa200) }, /* Para */ { USB_DEVICE(0x20b8, 0x8888) }, /* Pegatron */ diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 58ba71830886..40b6d1d006d7 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -467,7 +467,7 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw) rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw); /* <2> work queue */ rtlpriv->works.hw = hw; - rtlpriv->works.rtl_wq = alloc_workqueue(rtlpriv->cfg->name, 0, 0); + rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, (void *)rtl_watchdog_wq_callback); INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index f6179bc06086..07dae0d44abc 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -1828,3 +1828,9 @@ const struct ieee80211_ops rtl_ops = { .flush = rtl_op_flush, }; EXPORT_SYMBOL_GPL(rtl_ops); + +bool rtl_btc_status_false(void) +{ + return false; +} +EXPORT_SYMBOL_GPL(rtl_btc_status_false); diff --git a/drivers/net/wireless/rtlwifi/core.h b/drivers/net/wireless/rtlwifi/core.h index 59cd3b9dca25..624e1dc16d31 100644 --- a/drivers/net/wireless/rtlwifi/core.h +++ b/drivers/net/wireless/rtlwifi/core.h @@ -42,5 +42,6 @@ void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, u32 mask, u32 data); void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data); bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb); +bool rtl_btc_status_false(void); #endif diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 667aba81246c..25daa8715219 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -1796,7 +1796,8 @@ static int rtl_pci_start(struct ieee80211_hw *hw) rtl_pci_reset_trx_ring(hw); rtlpci->driver_is_goingto_unload = false; - if (rtlpriv->cfg->ops->get_btc_status()) { + if (rtlpriv->cfg->ops->get_btc_status && + rtlpriv->cfg->ops->get_btc_status()) { rtlpriv->btcoexist.btc_ops->btc_init_variables(rtlpriv); rtlpriv->btcoexist.btc_ops->btc_init_hal_vars(rtlpriv); } diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c index a00861b26ece..29983bc96a89 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c @@ -656,7 +656,8 @@ static u8 reserved_page_packet[TOTAL_RESERVED_PKT_LEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; -void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished) +void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, + bool (*cmd_send_packet)(struct ieee80211_hw *, struct sk_buff *)) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); @@ -722,7 +723,10 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished) memcpy((u8 *)skb_put(skb, totalpacketlen), &reserved_page_packet, totalpacketlen); - rtstatus = rtl_cmd_send_packet(hw, skb); + if (cmd_send_packet) + rtstatus = cmd_send_packet(hw, skb); + else + rtstatus = rtl_cmd_send_packet(hw, skb); if (rtstatus) b_dlok = true; diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.h b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.h index a815bd6273da..b64ae45dc674 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.h +++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.h @@ -109,7 +109,9 @@ void rtl92c_fill_h2c_cmd(struct ieee80211_hw *hw, u8 element_id, u32 cmd_len, u8 *p_cmdbuffer); void rtl92c_firmware_selfreset(struct ieee80211_hw *hw); void rtl92c_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode); -void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished); +void rtl92c_set_fw_rsvdpagepkt + (struct ieee80211_hw *hw, + bool (*cmd_send_packet)(struct ieee80211_hw *, struct sk_buff *)); void rtl92c_set_fw_joinbss_report_cmd(struct ieee80211_hw *hw, u8 mstatus); void usb_writeN_async(struct rtl_priv *rtlpriv, u32 addr, void *data, u16 len); void rtl92c_set_p2p_ps_offload_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state); diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/def.h b/drivers/net/wireless/rtlwifi/rtl8192ce/def.h index 831df101d7b7..9b660df6fd71 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/def.h +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/def.h @@ -114,6 +114,8 @@ LE_BITS_TO_4BYTE(((__pcmdfbhdr) + 4), 16, 4) #define GET_C2H_CMD_FEEDBACK_CCX_SEQ(__pcmdfbhdr) \ LE_BITS_TO_4BYTE(((__pcmdfbhdr) + 4), 20, 12) +#define GET_RX_STATUS_DESC_BUFF_ADDR(__pdesc) \ + SHIFT_AND_MASK_LE(__pdesc + 24, 0, 32) #define CHIP_VER_B BIT(4) #define CHIP_BONDING_IDENTIFIER(_value) (((_value) >> 22) & 0x3) diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c index 8ec0f031f48a..55357d69397a 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c @@ -459,7 +459,7 @@ void rtl92ce_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2, tmp_reg422 & (~BIT(6))); - rtl92c_set_fw_rsvdpagepkt(hw, 0); + rtl92c_set_fw_rsvdpagepkt(hw, NULL); _rtl92ce_set_bcn_ctrl_reg(hw, BIT(3), 0); _rtl92ce_set_bcn_ctrl_reg(hw, 0, BIT(4)); diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c index d86b5b566444..46ea07605eb4 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c @@ -244,6 +244,7 @@ static struct rtl_hal_ops rtl8192ce_hal_ops = { .phy_lc_calibrate = _rtl92ce_phy_lc_calibrate, .phy_set_bw_mode_callback = rtl92ce_phy_set_bw_mode_callback, .dm_dynamic_txpower = rtl92ce_dm_dynamic_txpower, + .get_btc_status = rtl_btc_status_false, }; static struct rtl_mod_params rtl92ce_mod_params = { diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c index 2fb9c7acb76a..dc3d20b17a26 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c @@ -728,6 +728,9 @@ u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name) case HW_DESC_RXPKT_LEN: ret = GET_RX_DESC_PKT_LEN(pdesc); break; + case HW_DESC_RXBUFF_ADDR: + ret = GET_RX_STATUS_DESC_BUFF_ADDR(pdesc); + break; default: RT_ASSERT(false, "ERR rxdesc :%d not process\n", desc_name); diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c index 04aa0b5f5b3d..873363acbacf 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c @@ -1592,6 +1592,20 @@ void rtl92cu_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) } } +bool usb_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb) +{ + /* Currently nothing happens here. + * Traffic stops after some seconds in WPA2 802.11n mode. + * Maybe because rtl8192cu chip should be set from here? + * If I understand correctly, the realtek vendor driver sends some urbs + * if its "here". + * + * This is maybe necessary: + * rtlpriv->cfg->ops->fill_tx_cmddesc(hw, buffer, 1, 1, skb); + */ + return true; +} + void rtl92cu_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) { struct rtl_priv *rtlpriv = rtl_priv(hw); @@ -1939,7 +1953,8 @@ void rtl92cu_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) recover = true; rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL + 2, tmp_reg422 & (~BIT(6))); - rtl92c_set_fw_rsvdpagepkt(hw, 0); + rtl92c_set_fw_rsvdpagepkt(hw, + &usb_cmd_send_packet); _rtl92cu_set_bcn_ctrl_reg(hw, BIT(3), 0); _rtl92cu_set_bcn_ctrl_reg(hw, 0, BIT(4)); if (recover) diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h index 0f7812e0c8aa..c1e33b0228c0 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.h @@ -104,7 +104,6 @@ bool rtl92cu_gpio_radio_on_off_checking(struct ieee80211_hw *hw, u8 * valid); void rtl92cu_set_check_bssid(struct ieee80211_hw *hw, bool check_bssid); int rtl92c_download_fw(struct ieee80211_hw *hw); void rtl92c_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode); -void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool dl_finished); void rtl92c_set_fw_joinbss_report_cmd(struct ieee80211_hw *hw, u8 mstatus); void rtl92c_fill_h2c_cmd(struct ieee80211_hw *hw, u8 element_id, u32 cmd_len, u8 *p_cmdbuffer); diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c index 7c5fbaf5fee0..e06bafee37f9 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c @@ -101,6 +101,12 @@ static void rtl92cu_deinit_sw_vars(struct ieee80211_hw *hw) } } +/* get bt coexist status */ +static bool rtl92cu_get_btc_status(void) +{ + return false; +} + static struct rtl_hal_ops rtl8192cu_hal_ops = { .init_sw_vars = rtl92cu_init_sw_vars, .deinit_sw_vars = rtl92cu_deinit_sw_vars, @@ -148,6 +154,7 @@ static struct rtl_hal_ops rtl8192cu_hal_ops = { .phy_set_bw_mode_callback = rtl92cu_phy_set_bw_mode_callback, .dm_dynamic_txpower = rtl92cu_dm_dynamic_txpower, .fill_h2c_cmd = rtl92c_fill_h2c_cmd, + .get_btc_status = rtl92cu_get_btc_status, }; static struct rtl_mod_params rtl92cu_mod_params = { diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c index edab5a5351b5..a0aba088259a 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c @@ -251,6 +251,7 @@ static struct rtl_hal_ops rtl8192de_hal_ops = { .get_rfreg = rtl92d_phy_query_rf_reg, .set_rfreg = rtl92d_phy_set_rf_reg, .linked_set_reg = rtl92d_linked_set_reg, + .get_btc_status = rtl_btc_status_false, }; static struct rtl_mod_params rtl92de_mod_params = { diff --git a/drivers/net/wireless/rtlwifi/rtl8192ee/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ee/hw.c index dfdc9b20e4ad..1a87edca2c3f 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ee/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ee/hw.c @@ -362,7 +362,7 @@ void rtl92ee_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) } break; default: - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, "switch case not process %x\n", variable); break; } @@ -591,7 +591,7 @@ void rtl92ee_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) acm_ctrl &= (~ACMHW_BEQEN); break; default: - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, "switch case not process\n"); break; } @@ -710,7 +710,7 @@ void rtl92ee_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) } break; default: - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, "switch case not process %x\n", variable); break; } @@ -2424,7 +2424,7 @@ void rtl92ee_set_key(struct ieee80211_hw *hw, u32 key_index, enc_algo = CAM_AES; break; default: - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG, "switch case not process\n"); enc_algo = CAM_TKIP; break; diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/def.h b/drivers/net/wireless/rtlwifi/rtl8192se/def.h index 83c98674bfd3..6e7a70b43949 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/def.h +++ b/drivers/net/wireless/rtlwifi/rtl8192se/def.h @@ -446,6 +446,8 @@ /* DWORD 6 */ #define SET_RX_STATUS__DESC_BUFF_ADDR(__pdesc, __val) \ SET_BITS_OFFSET_LE(__pdesc + 24, 0, 32, __val) +#define GET_RX_STATUS_DESC_BUFF_ADDR(__pdesc) \ + SHIFT_AND_MASK_LE(__pdesc + 24, 0, 32) #define SE_RX_HAL_IS_CCK_RATE(_pdesc)\ (GET_RX_STATUS_DESC_RX_MCS(_pdesc) == DESC92_RATE1M || \ diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c index 1bff2a0f7600..aadba29c167a 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c @@ -87,11 +87,8 @@ static void rtl92s_init_aspm_vars(struct ieee80211_hw *hw) static void rtl92se_fw_cb(const struct firmware *firmware, void *context) { struct ieee80211_hw *hw = context; - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); struct rt_firmware *pfirmware = NULL; - int err; RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, "Firmware callback routine entered!\n"); @@ -112,20 +109,6 @@ static void rtl92se_fw_cb(const struct firmware *firmware, void *context) memcpy(pfirmware->sz_fw_tmpbuffer, firmware->data, firmware->size); pfirmware->sz_fw_tmpbufferlen = firmware->size; release_firmware(firmware); - - err = ieee80211_register_hw(hw); - if (err) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, - "Can't register mac80211 hw\n"); - return; - } else { - rtlpriv->mac80211.mac80211_registered = 1; - } - rtlpci->irq_alloc = 1; - set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); - - /*init rfkill */ - rtl_init_rfkill(hw); } static int rtl92s_init_sw_vars(struct ieee80211_hw *hw) @@ -226,8 +209,8 @@ static int rtl92s_init_sw_vars(struct ieee80211_hw *hw) if (!rtlpriv->rtlhal.pfirmware) return 1; - rtlpriv->max_fw_size = RTL8190_MAX_RAW_FIRMWARE_CODE_SIZE; - + rtlpriv->max_fw_size = RTL8190_MAX_FIRMWARE_CODE_SIZE*2 + + sizeof(struct fw_hdr); pr_info("Driver for Realtek RTL8192SE/RTL8191SE\n" "Loading firmware %s\n", rtlpriv->cfg->fw_name); /* request fw */ @@ -294,6 +277,7 @@ static struct rtl_hal_ops rtl8192se_hal_ops = { .set_bbreg = rtl92s_phy_set_bb_reg, .get_rfreg = rtl92s_phy_query_rf_reg, .set_rfreg = rtl92s_phy_set_rf_reg, + .get_btc_status = rtl_btc_status_false, }; static struct rtl_mod_params rtl92se_mod_params = { diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c index b358ebce8942..672fd3b02835 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c @@ -640,6 +640,9 @@ u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name) case HW_DESC_RXPKT_LEN: ret = GET_RX_STATUS_DESC_PKT_LEN(desc); break; + case HW_DESC_RXBUFF_ADDR: + ret = GET_RX_STATUS_DESC_BUFF_ADDR(desc); + break; default: RT_ASSERT(false, "ERR rxdesc :%d not process\n", desc_name); diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/rtlwifi/rtl8821ae/phy.c index 9786313dc62f..1e9570fa874f 100644 --- a/drivers/net/wireless/rtlwifi/rtl8821ae/phy.c +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/phy.c @@ -1889,15 +1889,18 @@ static void _rtl8821ae_store_tx_power_by_rate(struct ieee80211_hw *hw, struct rtl_phy *rtlphy = &rtlpriv->phy; u8 rate_section = _rtl8821ae_get_rate_section_index(regaddr); - if (band != BAND_ON_2_4G && band != BAND_ON_5G) + if (band != BAND_ON_2_4G && band != BAND_ON_5G) { RT_TRACE(rtlpriv, COMP_INIT, DBG_WARNING, "Invalid Band %d\n", band); - - if (rfpath >= MAX_RF_PATH) + band = BAND_ON_2_4G; + } + if (rfpath >= MAX_RF_PATH) { RT_TRACE(rtlpriv, COMP_INIT, DBG_WARNING, "Invalid RfPath %d\n", rfpath); - - if (txnum >= MAX_RF_PATH) + rfpath = MAX_RF_PATH - 1; + } + if (txnum >= MAX_RF_PATH) { RT_TRACE(rtlpriv, COMP_INIT, DBG_WARNING, "Invalid TxNum %d\n", txnum); - + txnum = MAX_RF_PATH - 1; + } rtlphy->tx_power_by_rate_offset[band][rfpath][txnum][rate_section] = data; RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "TxPwrByRateOffset[Band %d][RfPath %d][TxNum %d][RateSection %d] = 0x%x\n", diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 10cf69c4bc42..46ee956d0235 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -1117,7 +1117,18 @@ int rtl_usb_probe(struct usb_interface *intf, } rtlpriv->cfg->ops->init_sw_leds(hw); + err = ieee80211_register_hw(hw); + if (err) { + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + "Can't register mac80211 hw.\n"); + err = -ENODEV; + goto error_out; + } + rtlpriv->mac80211.mac80211_registered = 1; + + set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); return 0; + error_out: rtl_deinit_core(hw); _rtl_usb_io_handler_release(hw); diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index d4eb8d2e9cb7..083ecc93fe5e 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -176,10 +176,11 @@ struct xenvif_queue { /* Per-queue data for xenvif */ char rx_irq_name[IRQ_NAME_SIZE]; /* DEVNAME-qN-rx */ struct xen_netif_rx_back_ring rx; struct sk_buff_head rx_queue; - RING_IDX rx_last_skb_slots; - unsigned long status; - struct timer_list rx_stalled; + unsigned int rx_queue_max; + unsigned int rx_queue_len; + unsigned long last_rx_time; + bool stalled; struct gnttab_copy grant_copy_op[MAX_GRANT_COPY_OPS]; @@ -199,18 +200,14 @@ struct xenvif_queue { /* Per-queue data for xenvif */ struct xenvif_stats stats; }; +/* Maximum number of Rx slots a to-guest packet may use, including the + * slot needed for GSO meta-data. + */ +#define XEN_NETBK_RX_SLOTS_MAX (MAX_SKB_FRAGS + 1) + enum state_bit_shift { /* This bit marks that the vif is connected */ VIF_STATUS_CONNECTED, - /* This bit signals the RX thread that queuing was stopped (in - * start_xmit), and either the timer fired or an RX interrupt came - */ - QUEUE_STATUS_RX_PURGE_EVENT, - /* This bit tells the interrupt handler that this queue was the reason - * for the carrier off, so it should kick the thread. Only queues which - * brought it down can turn on the carrier. - */ - QUEUE_STATUS_RX_STALLED }; struct xenvif { @@ -228,9 +225,6 @@ struct xenvif { u8 ip_csum:1; u8 ipv6_csum:1; - /* Internal feature information. */ - u8 can_queue:1; /* can queue packets for receiver? */ - /* Is this interface disabled? True when backend discovers * frontend is rogue. */ @@ -240,6 +234,9 @@ struct xenvif { /* Queues */ struct xenvif_queue *queues; unsigned int num_queues; /* active queues, resource allocated */ + unsigned int stalled_queues; + + spinlock_t lock; #ifdef CONFIG_DEBUG_FS struct dentry *xenvif_dbg_root; @@ -249,6 +246,14 @@ struct xenvif { struct net_device *dev; }; +struct xenvif_rx_cb { + unsigned long expires; + int meta_slots_used; + bool full_coalesce; +}; + +#define XENVIF_RX_CB(skb) ((struct xenvif_rx_cb *)(skb)->cb) + static inline struct xenbus_device *xenvif_to_xenbus_device(struct xenvif *vif) { return to_xenbus_device(vif->dev->dev.parent); @@ -272,8 +277,6 @@ void xenvif_xenbus_fini(void); int xenvif_schedulable(struct xenvif *vif); -int xenvif_must_stop_queue(struct xenvif_queue *queue); - int xenvif_queue_stopped(struct xenvif_queue *queue); void xenvif_wake_queue(struct xenvif_queue *queue); @@ -296,6 +299,8 @@ void xenvif_kick_thread(struct xenvif_queue *queue); int xenvif_dealloc_kthread(void *data); +void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb); + /* Determine whether the needed number of slots (req) are available, * and set req_event if not. */ diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index f379689dde30..895fe84011e7 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -43,6 +43,9 @@ #define XENVIF_QUEUE_LENGTH 32 #define XENVIF_NAPI_WEIGHT 64 +/* Number of bytes allowed on the internal guest Rx queue. */ +#define XENVIF_RX_QUEUE_BYTES (XEN_NETIF_RX_RING_SIZE/2 * PAGE_SIZE) + /* This function is used to set SKBTX_DEV_ZEROCOPY as well as * increasing the inflight counter. We need to increase the inflight * counter because core driver calls into xenvif_zerocopy_callback @@ -60,20 +63,11 @@ void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue) atomic_dec(&queue->inflight_packets); } -static inline void xenvif_stop_queue(struct xenvif_queue *queue) -{ - struct net_device *dev = queue->vif->dev; - - if (!queue->vif->can_queue) - return; - - netif_tx_stop_queue(netdev_get_tx_queue(dev, queue->id)); -} - int xenvif_schedulable(struct xenvif *vif) { return netif_running(vif->dev) && - test_bit(VIF_STATUS_CONNECTED, &vif->status); + test_bit(VIF_STATUS_CONNECTED, &vif->status) && + !vif->disabled; } static irqreturn_t xenvif_tx_interrupt(int irq, void *dev_id) @@ -114,16 +108,7 @@ int xenvif_poll(struct napi_struct *napi, int budget) static irqreturn_t xenvif_rx_interrupt(int irq, void *dev_id) { struct xenvif_queue *queue = dev_id; - struct netdev_queue *net_queue = - netdev_get_tx_queue(queue->vif->dev, queue->id); - /* QUEUE_STATUS_RX_PURGE_EVENT is only set if either QDisc was off OR - * the carrier went down and this queue was previously blocked - */ - if (unlikely(netif_tx_queue_stopped(net_queue) || - (!netif_carrier_ok(queue->vif->dev) && - test_bit(QUEUE_STATUS_RX_STALLED, &queue->status)))) - set_bit(QUEUE_STATUS_RX_PURGE_EVENT, &queue->status); xenvif_kick_thread(queue); return IRQ_HANDLED; @@ -151,24 +136,13 @@ void xenvif_wake_queue(struct xenvif_queue *queue) netif_tx_wake_queue(netdev_get_tx_queue(dev, id)); } -/* Callback to wake the queue's thread and turn the carrier off on timeout */ -static void xenvif_rx_stalled(unsigned long data) -{ - struct xenvif_queue *queue = (struct xenvif_queue *)data; - - if (xenvif_queue_stopped(queue)) { - set_bit(QUEUE_STATUS_RX_PURGE_EVENT, &queue->status); - xenvif_kick_thread(queue); - } -} - static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct xenvif *vif = netdev_priv(dev); struct xenvif_queue *queue = NULL; unsigned int num_queues = vif->num_queues; u16 index; - int min_slots_needed; + struct xenvif_rx_cb *cb; BUG_ON(skb->dev != dev); @@ -191,30 +165,10 @@ static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) !xenvif_schedulable(vif)) goto drop; - /* At best we'll need one slot for the header and one for each - * frag. - */ - min_slots_needed = 1 + skb_shinfo(skb)->nr_frags; + cb = XENVIF_RX_CB(skb); + cb->expires = jiffies + rx_drain_timeout_jiffies; - /* If the skb is GSO then we'll also need an extra slot for the - * metadata. - */ - if (skb_is_gso(skb)) - min_slots_needed++; - - /* If the skb can't possibly fit in the remaining slots - * then turn off the queue to give the ring a chance to - * drain. - */ - if (!xenvif_rx_ring_slots_available(queue, min_slots_needed)) { - queue->rx_stalled.function = xenvif_rx_stalled; - queue->rx_stalled.data = (unsigned long)queue; - xenvif_stop_queue(queue); - mod_timer(&queue->rx_stalled, - jiffies + rx_drain_timeout_jiffies); - } - - skb_queue_tail(&queue->rx_queue, skb); + xenvif_rx_queue_tail(queue, skb); xenvif_kick_thread(queue); return NETDEV_TX_OK; @@ -465,6 +419,8 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, vif->queues = NULL; vif->num_queues = 0; + spin_lock_init(&vif->lock); + dev->netdev_ops = &xenvif_netdev_ops; dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | @@ -508,6 +464,8 @@ int xenvif_init_queue(struct xenvif_queue *queue) init_timer(&queue->credit_timeout); queue->credit_window_start = get_jiffies_64(); + queue->rx_queue_max = XENVIF_RX_QUEUE_BYTES; + skb_queue_head_init(&queue->rx_queue); skb_queue_head_init(&queue->tx_queue); @@ -539,8 +497,6 @@ int xenvif_init_queue(struct xenvif_queue *queue) queue->grant_tx_handle[i] = NETBACK_INVALID_HANDLE; } - init_timer(&queue->rx_stalled); - return 0; } @@ -551,7 +507,6 @@ void xenvif_carrier_on(struct xenvif *vif) dev_set_mtu(vif->dev, ETH_DATA_LEN); netdev_update_features(vif->dev); set_bit(VIF_STATUS_CONNECTED, &vif->status); - netif_carrier_on(vif->dev); if (netif_running(vif->dev)) xenvif_up(vif); rtnl_unlock(); @@ -611,6 +566,8 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref, disable_irq(queue->rx_irq); } + queue->stalled = true; + task = kthread_create(xenvif_kthread_guest_rx, (void *)queue, "%s-guest-rx", queue->name); if (IS_ERR(task)) { @@ -674,7 +631,6 @@ void xenvif_disconnect(struct xenvif *vif) netif_napi_del(&queue->napi); if (queue->task) { - del_timer_sync(&queue->rx_stalled); kthread_stop(queue->task); queue->task = NULL; } diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 08f65996534c..6563f0713fc0 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -55,13 +55,20 @@ bool separate_tx_rx_irq = 1; module_param(separate_tx_rx_irq, bool, 0644); -/* When guest ring is filled up, qdisc queues the packets for us, but we have - * to timeout them, otherwise other guests' packets can get stuck there +/* The time that packets can stay on the guest Rx internal queue + * before they are dropped. */ unsigned int rx_drain_timeout_msecs = 10000; module_param(rx_drain_timeout_msecs, uint, 0444); unsigned int rx_drain_timeout_jiffies; +/* The length of time before the frontend is considered unresponsive + * because it isn't providing Rx slots. + */ +static unsigned int rx_stall_timeout_msecs = 60000; +module_param(rx_stall_timeout_msecs, uint, 0444); +static unsigned int rx_stall_timeout_jiffies; + unsigned int xenvif_max_queues; module_param_named(max_queues, xenvif_max_queues, uint, 0644); MODULE_PARM_DESC(max_queues, @@ -83,7 +90,6 @@ static void make_tx_response(struct xenvif_queue *queue, s8 st); static inline int tx_work_todo(struct xenvif_queue *queue); -static inline int rx_work_todo(struct xenvif_queue *queue); static struct xen_netif_rx_response *make_rx_response(struct xenvif_queue *queue, u16 id, @@ -163,6 +169,69 @@ bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue, int needed) return false; } +void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb) +{ + unsigned long flags; + + spin_lock_irqsave(&queue->rx_queue.lock, flags); + + __skb_queue_tail(&queue->rx_queue, skb); + + queue->rx_queue_len += skb->len; + if (queue->rx_queue_len > queue->rx_queue_max) + netif_tx_stop_queue(netdev_get_tx_queue(queue->vif->dev, queue->id)); + + spin_unlock_irqrestore(&queue->rx_queue.lock, flags); +} + +static struct sk_buff *xenvif_rx_dequeue(struct xenvif_queue *queue) +{ + struct sk_buff *skb; + + spin_lock_irq(&queue->rx_queue.lock); + + skb = __skb_dequeue(&queue->rx_queue); + if (skb) + queue->rx_queue_len -= skb->len; + + spin_unlock_irq(&queue->rx_queue.lock); + + return skb; +} + +static void xenvif_rx_queue_maybe_wake(struct xenvif_queue *queue) +{ + spin_lock_irq(&queue->rx_queue.lock); + + if (queue->rx_queue_len < queue->rx_queue_max) + netif_tx_wake_queue(netdev_get_tx_queue(queue->vif->dev, queue->id)); + + spin_unlock_irq(&queue->rx_queue.lock); +} + + +static void xenvif_rx_queue_purge(struct xenvif_queue *queue) +{ + struct sk_buff *skb; + while ((skb = xenvif_rx_dequeue(queue)) != NULL) + kfree_skb(skb); +} + +static void xenvif_rx_queue_drop_expired(struct xenvif_queue *queue) +{ + struct sk_buff *skb; + + for(;;) { + skb = skb_peek(&queue->rx_queue); + if (!skb) + break; + if (time_before(jiffies, XENVIF_RX_CB(skb)->expires)) + break; + xenvif_rx_dequeue(queue); + kfree_skb(skb); + } +} + /* * Returns true if we should start a new receive buffer instead of * adding 'size' bytes to a buffer which currently contains 'offset' @@ -237,13 +306,6 @@ static struct xenvif_rx_meta *get_next_rx_buffer(struct xenvif_queue *queue, return meta; } -struct xenvif_rx_cb { - int meta_slots_used; - bool full_coalesce; -}; - -#define XENVIF_RX_CB(skb) ((struct xenvif_rx_cb *)(skb)->cb) - /* * Set up the grant operations for this fragment. If it's a flipping * interface, we also set up the unmap request from here. @@ -587,12 +649,15 @@ static void xenvif_rx_action(struct xenvif_queue *queue) skb_queue_head_init(&rxq); - while ((skb = skb_dequeue(&queue->rx_queue)) != NULL) { + while (xenvif_rx_ring_slots_available(queue, XEN_NETBK_RX_SLOTS_MAX) + && (skb = xenvif_rx_dequeue(queue)) != NULL) { RING_IDX max_slots_needed; RING_IDX old_req_cons; RING_IDX ring_slots_used; int i; + queue->last_rx_time = jiffies; + /* We need a cheap worse case estimate for the number of * slots we'll use. */ @@ -634,15 +699,6 @@ static void xenvif_rx_action(struct xenvif_queue *queue) skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)) max_slots_needed++; - /* If the skb may not fit then bail out now */ - if (!xenvif_rx_ring_slots_available(queue, max_slots_needed)) { - skb_queue_head(&queue->rx_queue, skb); - need_to_notify = true; - queue->rx_last_skb_slots = max_slots_needed; - break; - } else - queue->rx_last_skb_slots = 0; - old_req_cons = queue->rx.req_cons; XENVIF_RX_CB(skb)->meta_slots_used = xenvif_gop_skb(skb, &npo, queue); ring_slots_used = queue->rx.req_cons - old_req_cons; @@ -1869,12 +1925,6 @@ void xenvif_idx_unmap(struct xenvif_queue *queue, u16 pending_idx) } } -static inline int rx_work_todo(struct xenvif_queue *queue) -{ - return (!skb_queue_empty(&queue->rx_queue) && - xenvif_rx_ring_slots_available(queue, queue->rx_last_skb_slots)); -} - static inline int tx_work_todo(struct xenvif_queue *queue) { if (likely(RING_HAS_UNCONSUMED_REQUESTS(&queue->tx))) @@ -1931,92 +1981,121 @@ int xenvif_map_frontend_rings(struct xenvif_queue *queue, return err; } -static void xenvif_start_queue(struct xenvif_queue *queue) +static void xenvif_queue_carrier_off(struct xenvif_queue *queue) { - if (xenvif_schedulable(queue->vif)) - xenvif_wake_queue(queue); + struct xenvif *vif = queue->vif; + + queue->stalled = true; + + /* At least one queue has stalled? Disable the carrier. */ + spin_lock(&vif->lock); + if (vif->stalled_queues++ == 0) { + netdev_info(vif->dev, "Guest Rx stalled"); + netif_carrier_off(vif->dev); + } + spin_unlock(&vif->lock); } -/* Only called from the queue's thread, it handles the situation when the guest - * doesn't post enough requests on the receiving ring. - * First xenvif_start_xmit disables QDisc and start a timer, and then either the - * timer fires, or the guest send an interrupt after posting new request. If it - * is the timer, the carrier is turned off here. - * */ -static void xenvif_rx_purge_event(struct xenvif_queue *queue) +static void xenvif_queue_carrier_on(struct xenvif_queue *queue) { - /* Either the last unsuccesful skb or at least 1 slot should fit */ - int needed = queue->rx_last_skb_slots ? - queue->rx_last_skb_slots : 1; + struct xenvif *vif = queue->vif; - /* It is assumed that if the guest post new slots after this, the RX - * interrupt will set the QUEUE_STATUS_RX_PURGE_EVENT bit and wake up - * the thread again - */ - set_bit(QUEUE_STATUS_RX_STALLED, &queue->status); - if (!xenvif_rx_ring_slots_available(queue, needed)) { - rtnl_lock(); - if (netif_carrier_ok(queue->vif->dev)) { - /* Timer fired and there are still no slots. Turn off - * everything except the interrupts - */ - netif_carrier_off(queue->vif->dev); - skb_queue_purge(&queue->rx_queue); - queue->rx_last_skb_slots = 0; - if (net_ratelimit()) - netdev_err(queue->vif->dev, "Carrier off due to lack of guest response on queue %d\n", queue->id); - } else { - /* Probably an another queue already turned the carrier - * off, make sure nothing is stucked in the internal - * queue of this queue - */ - skb_queue_purge(&queue->rx_queue); - queue->rx_last_skb_slots = 0; - } - rtnl_unlock(); - } else if (!netif_carrier_ok(queue->vif->dev)) { - unsigned int num_queues = queue->vif->num_queues; - unsigned int i; - /* The carrier was down, but an interrupt kicked - * the thread again after new requests were - * posted - */ - clear_bit(QUEUE_STATUS_RX_STALLED, - &queue->status); - rtnl_lock(); - netif_carrier_on(queue->vif->dev); - netif_tx_wake_all_queues(queue->vif->dev); - rtnl_unlock(); + queue->last_rx_time = jiffies; /* Reset Rx stall detection. */ + queue->stalled = false; - for (i = 0; i < num_queues; i++) { - struct xenvif_queue *temp = &queue->vif->queues[i]; - - xenvif_napi_schedule_or_enable_events(temp); - } - if (net_ratelimit()) - netdev_err(queue->vif->dev, "Carrier on again\n"); - } else { - /* Queuing were stopped, but the guest posted - * new requests and sent an interrupt - */ - clear_bit(QUEUE_STATUS_RX_STALLED, - &queue->status); - del_timer_sync(&queue->rx_stalled); - xenvif_start_queue(queue); + /* All queues are ready? Enable the carrier. */ + spin_lock(&vif->lock); + if (--vif->stalled_queues == 0) { + netdev_info(vif->dev, "Guest Rx ready"); + netif_carrier_on(vif->dev); } + spin_unlock(&vif->lock); +} + +static bool xenvif_rx_queue_stalled(struct xenvif_queue *queue) +{ + RING_IDX prod, cons; + + prod = queue->rx.sring->req_prod; + cons = queue->rx.req_cons; + + return !queue->stalled + && prod - cons < XEN_NETBK_RX_SLOTS_MAX + && time_after(jiffies, + queue->last_rx_time + rx_stall_timeout_jiffies); +} + +static bool xenvif_rx_queue_ready(struct xenvif_queue *queue) +{ + RING_IDX prod, cons; + + prod = queue->rx.sring->req_prod; + cons = queue->rx.req_cons; + + return queue->stalled + && prod - cons >= XEN_NETBK_RX_SLOTS_MAX; +} + +static bool xenvif_have_rx_work(struct xenvif_queue *queue) +{ + return (!skb_queue_empty(&queue->rx_queue) + && xenvif_rx_ring_slots_available(queue, XEN_NETBK_RX_SLOTS_MAX)) + || xenvif_rx_queue_stalled(queue) + || xenvif_rx_queue_ready(queue) + || kthread_should_stop() + || queue->vif->disabled; +} + +static long xenvif_rx_queue_timeout(struct xenvif_queue *queue) +{ + struct sk_buff *skb; + long timeout; + + skb = skb_peek(&queue->rx_queue); + if (!skb) + return MAX_SCHEDULE_TIMEOUT; + + timeout = XENVIF_RX_CB(skb)->expires - jiffies; + return timeout < 0 ? 0 : timeout; +} + +/* Wait until the guest Rx thread has work. + * + * The timeout needs to be adjusted based on the current head of the + * queue (and not just the head at the beginning). In particular, if + * the queue is initially empty an infinite timeout is used and this + * needs to be reduced when a skb is queued. + * + * This cannot be done with wait_event_timeout() because it only + * calculates the timeout once. + */ +static void xenvif_wait_for_rx_work(struct xenvif_queue *queue) +{ + DEFINE_WAIT(wait); + + if (xenvif_have_rx_work(queue)) + return; + + for (;;) { + long ret; + + prepare_to_wait(&queue->wq, &wait, TASK_INTERRUPTIBLE); + if (xenvif_have_rx_work(queue)) + break; + ret = schedule_timeout(xenvif_rx_queue_timeout(queue)); + if (!ret) + break; + } + finish_wait(&queue->wq, &wait); } int xenvif_kthread_guest_rx(void *data) { struct xenvif_queue *queue = data; - struct sk_buff *skb; + struct xenvif *vif = queue->vif; - while (!kthread_should_stop()) { - wait_event_interruptible(queue->wq, - rx_work_todo(queue) || - queue->vif->disabled || - test_bit(QUEUE_STATUS_RX_PURGE_EVENT, &queue->status) || - kthread_should_stop()); + for (;;) { + xenvif_wait_for_rx_work(queue); if (kthread_should_stop()) break; @@ -2028,35 +2107,38 @@ int xenvif_kthread_guest_rx(void *data) * context so we defer it here, if this thread is * associated with queue 0. */ - if (unlikely(queue->vif->disabled && queue->id == 0)) { - xenvif_carrier_off(queue->vif); - } else if (unlikely(queue->vif->disabled)) { - /* kthread_stop() would be called upon this thread soon, - * be a bit proactive - */ - skb_queue_purge(&queue->rx_queue); - queue->rx_last_skb_slots = 0; - } else if (unlikely(test_and_clear_bit(QUEUE_STATUS_RX_PURGE_EVENT, - &queue->status))) { - xenvif_rx_purge_event(queue); - } else if (!netif_carrier_ok(queue->vif->dev)) { - /* Another queue stalled and turned the carrier off, so - * purge the internal queue of queues which were not - * blocked - */ - skb_queue_purge(&queue->rx_queue); - queue->rx_last_skb_slots = 0; + if (unlikely(vif->disabled && queue->id == 0)) { + xenvif_carrier_off(vif); + xenvif_rx_queue_purge(queue); + continue; } if (!skb_queue_empty(&queue->rx_queue)) xenvif_rx_action(queue); + /* If the guest hasn't provided any Rx slots for a + * while it's probably not responsive, drop the + * carrier so packets are dropped earlier. + */ + if (xenvif_rx_queue_stalled(queue)) + xenvif_queue_carrier_off(queue); + else if (xenvif_rx_queue_ready(queue)) + xenvif_queue_carrier_on(queue); + + /* Queued packets may have foreign pages from other + * domains. These cannot be queued indefinitely as + * this would starve guests of grant refs and transmit + * slots. + */ + xenvif_rx_queue_drop_expired(queue); + + xenvif_rx_queue_maybe_wake(queue); + cond_resched(); } /* Bin any remaining skbs */ - while ((skb = skb_dequeue(&queue->rx_queue)) != NULL) - dev_kfree_skb(skb); + xenvif_rx_queue_purge(queue); return 0; } @@ -2113,6 +2195,7 @@ static int __init netback_init(void) goto failed_init; rx_drain_timeout_jiffies = msecs_to_jiffies(rx_drain_timeout_msecs); + rx_stall_timeout_jiffies = msecs_to_jiffies(rx_stall_timeout_msecs); #ifdef CONFIG_DEBUG_FS xen_netback_dbg_root = debugfs_create_dir("xen-netback", NULL); diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 8079c31ac5e6..4e56a27f9689 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -52,6 +52,7 @@ static int xenvif_read_io_ring(struct seq_file *m, void *v) struct xenvif_queue *queue = m->private; struct xen_netif_tx_back_ring *tx_ring = &queue->tx; struct xen_netif_rx_back_ring *rx_ring = &queue->rx; + struct netdev_queue *dev_queue; if (tx_ring->sring) { struct xen_netif_tx_sring *sring = tx_ring->sring; @@ -112,6 +113,13 @@ static int xenvif_read_io_ring(struct seq_file *m, void *v) queue->credit_timeout.expires, jiffies); + dev_queue = netdev_get_tx_queue(queue->vif->dev, queue->id); + + seq_printf(m, "\nRx internal queue: len %u max %u pkts %u %s\n", + queue->rx_queue_len, queue->rx_queue_max, + skb_queue_len(&queue->rx_queue), + netif_tx_queue_stopped(dev_queue) ? "stopped" : "running"); + return 0; } @@ -703,6 +711,7 @@ static void connect(struct backend_info *be) be->vif->queues = vzalloc(requested_num_queues * sizeof(struct xenvif_queue)); be->vif->num_queues = requested_num_queues; + be->vif->stalled_queues = requested_num_queues; for (queue_index = 0; queue_index < requested_num_queues; ++queue_index) { queue = &be->vif->queues[queue_index]; @@ -873,15 +882,10 @@ static int read_xenbus_vif_flags(struct backend_info *be) if (!rx_copy) return -EOPNOTSUPP; - if (vif->dev->tx_queue_len != 0) { - if (xenbus_scanf(XBT_NIL, dev->otherend, - "feature-rx-notify", "%d", &val) < 0) - val = 0; - if (val) - vif->can_queue = 1; - else - /* Must be non-zero for pfifo_fast to work. */ - vif->dev->tx_queue_len = 1; + if (xenbus_scanf(XBT_NIL, dev->otherend, + "feature-rx-notify", "%d", &val) < 0 || val == 0) { + xenbus_dev_fatal(dev, -EINVAL, "feature-rx-notify is mandatory"); + return -EINVAL; } if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-sg", diff --git a/drivers/of/base.c b/drivers/of/base.c index 2305dc0382bc..3823edf2d012 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1279,52 +1279,6 @@ int of_property_read_string(struct device_node *np, const char *propname, } EXPORT_SYMBOL_GPL(of_property_read_string); -/** - * of_property_read_string_index - Find and read a string from a multiple - * strings property. - * @np: device node from which the property value is to be read. - * @propname: name of the property to be searched. - * @index: index of the string in the list of strings - * @out_string: pointer to null terminated return string, modified only if - * return value is 0. - * - * Search for a property in a device tree node and retrieve a null - * terminated string value (pointer to data, not a copy) in the list of strings - * contained in that property. - * Returns 0 on success, -EINVAL if the property does not exist, -ENODATA if - * property does not have a value, and -EILSEQ if the string is not - * null-terminated within the length of the property data. - * - * The out_string pointer is modified only if a valid string can be decoded. - */ -int of_property_read_string_index(struct device_node *np, const char *propname, - int index, const char **output) -{ - struct property *prop = of_find_property(np, propname, NULL); - int i = 0; - size_t l = 0, total = 0; - const char *p; - - if (!prop) - return -EINVAL; - if (!prop->value) - return -ENODATA; - if (strnlen(prop->value, prop->length) >= prop->length) - return -EILSEQ; - - p = prop->value; - - for (i = 0; total < prop->length; total += l, p += l) { - l = strlen(p) + 1; - if (i++ == index) { - *output = p; - return 0; - } - } - return -ENODATA; -} -EXPORT_SYMBOL_GPL(of_property_read_string_index); - /** * of_property_match_string() - Find string in a list and return index * @np: pointer to node containing string list property @@ -1351,7 +1305,7 @@ int of_property_match_string(struct device_node *np, const char *propname, end = p + prop->length; for (i = 0; p < end; i++, p += l) { - l = strlen(p) + 1; + l = strnlen(p, end - p) + 1; if (p + l > end) return -EILSEQ; pr_debug("comparing %s with %s\n", string, p); @@ -1363,39 +1317,41 @@ int of_property_match_string(struct device_node *np, const char *propname, EXPORT_SYMBOL_GPL(of_property_match_string); /** - * of_property_count_strings - Find and return the number of strings from a - * multiple strings property. + * of_property_read_string_util() - Utility helper for parsing string properties * @np: device node from which the property value is to be read. * @propname: name of the property to be searched. + * @out_strs: output array of string pointers. + * @sz: number of array elements to read. + * @skip: Number of strings to skip over at beginning of list. * - * Search for a property in a device tree node and retrieve the number of null - * terminated string contain in it. Returns the number of strings on - * success, -EINVAL if the property does not exist, -ENODATA if property - * does not have a value, and -EILSEQ if the string is not null-terminated - * within the length of the property data. + * Don't call this function directly. It is a utility helper for the + * of_property_read_string*() family of functions. */ -int of_property_count_strings(struct device_node *np, const char *propname) +int of_property_read_string_helper(struct device_node *np, const char *propname, + const char **out_strs, size_t sz, int skip) { struct property *prop = of_find_property(np, propname, NULL); - int i = 0; - size_t l = 0, total = 0; - const char *p; + int l = 0, i = 0; + const char *p, *end; if (!prop) return -EINVAL; if (!prop->value) return -ENODATA; - if (strnlen(prop->value, prop->length) >= prop->length) - return -EILSEQ; - p = prop->value; + end = p + prop->length; - for (i = 0; total < prop->length; total += l, p += l, i++) - l = strlen(p) + 1; - - return i; + for (i = 0; p < end && (!out_strs || i < skip + sz); i++, p += l) { + l = strnlen(p, end - p) + 1; + if (p + l > end) + return -EILSEQ; + if (out_strs && i >= skip) + *out_strs++ = p; + } + i -= skip; + return i <= 0 ? -ENODATA : i; } -EXPORT_SYMBOL_GPL(of_property_count_strings); +EXPORT_SYMBOL_GPL(of_property_read_string_helper); void of_print_phandle_args(const char *msg, const struct of_phandle_args *args) { diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 59fb12e84e6b..dc566b38645f 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -243,23 +243,27 @@ static inline struct reserved_mem *__find_rmem(struct device_node *node) * This function assign memory region pointed by "memory-region" device tree * property to the given device. */ -void of_reserved_mem_device_init(struct device *dev) +int of_reserved_mem_device_init(struct device *dev) { struct reserved_mem *rmem; struct device_node *np; + int ret; np = of_parse_phandle(dev->of_node, "memory-region", 0); if (!np) - return; + return -ENODEV; rmem = __find_rmem(np); of_node_put(np); if (!rmem || !rmem->ops || !rmem->ops->device_init) - return; + return -EINVAL; - rmem->ops->device_init(rmem, dev); - dev_info(dev, "assigned reserved memory node %s\n", rmem->name); + ret = rmem->ops->device_init(rmem, dev); + if (ret == 0) + dev_info(dev, "assigned reserved memory node %s\n", rmem->name); + + return ret; } /** diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c index 78001270a598..11b873c54a77 100644 --- a/drivers/of/selftest.c +++ b/drivers/of/selftest.c @@ -339,8 +339,9 @@ static void __init of_selftest_parse_phandle_with_args(void) selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); } -static void __init of_selftest_property_match_string(void) +static void __init of_selftest_property_string(void) { + const char *strings[4]; struct device_node *np; int rc; @@ -357,13 +358,66 @@ static void __init of_selftest_property_match_string(void) rc = of_property_match_string(np, "phandle-list-names", "third"); selftest(rc == 2, "third expected:0 got:%i\n", rc); rc = of_property_match_string(np, "phandle-list-names", "fourth"); - selftest(rc == -ENODATA, "unmatched string; rc=%i", rc); + selftest(rc == -ENODATA, "unmatched string; rc=%i\n", rc); rc = of_property_match_string(np, "missing-property", "blah"); - selftest(rc == -EINVAL, "missing property; rc=%i", rc); + selftest(rc == -EINVAL, "missing property; rc=%i\n", rc); rc = of_property_match_string(np, "empty-property", "blah"); - selftest(rc == -ENODATA, "empty property; rc=%i", rc); + selftest(rc == -ENODATA, "empty property; rc=%i\n", rc); rc = of_property_match_string(np, "unterminated-string", "blah"); - selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc); + selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc); + + /* of_property_count_strings() tests */ + rc = of_property_count_strings(np, "string-property"); + selftest(rc == 1, "Incorrect string count; rc=%i\n", rc); + rc = of_property_count_strings(np, "phandle-list-names"); + selftest(rc == 3, "Incorrect string count; rc=%i\n", rc); + rc = of_property_count_strings(np, "unterminated-string"); + selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc); + rc = of_property_count_strings(np, "unterminated-string-list"); + selftest(rc == -EILSEQ, "unterminated string array; rc=%i\n", rc); + + /* of_property_read_string_index() tests */ + rc = of_property_read_string_index(np, "string-property", 0, strings); + selftest(rc == 0 && !strcmp(strings[0], "foobar"), "of_property_read_string_index() failure; rc=%i\n", rc); + strings[0] = NULL; + rc = of_property_read_string_index(np, "string-property", 1, strings); + selftest(rc == -ENODATA && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc); + rc = of_property_read_string_index(np, "phandle-list-names", 0, strings); + selftest(rc == 0 && !strcmp(strings[0], "first"), "of_property_read_string_index() failure; rc=%i\n", rc); + rc = of_property_read_string_index(np, "phandle-list-names", 1, strings); + selftest(rc == 0 && !strcmp(strings[0], "second"), "of_property_read_string_index() failure; rc=%i\n", rc); + rc = of_property_read_string_index(np, "phandle-list-names", 2, strings); + selftest(rc == 0 && !strcmp(strings[0], "third"), "of_property_read_string_index() failure; rc=%i\n", rc); + strings[0] = NULL; + rc = of_property_read_string_index(np, "phandle-list-names", 3, strings); + selftest(rc == -ENODATA && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc); + strings[0] = NULL; + rc = of_property_read_string_index(np, "unterminated-string", 0, strings); + selftest(rc == -EILSEQ && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc); + rc = of_property_read_string_index(np, "unterminated-string-list", 0, strings); + selftest(rc == 0 && !strcmp(strings[0], "first"), "of_property_read_string_index() failure; rc=%i\n", rc); + strings[0] = NULL; + rc = of_property_read_string_index(np, "unterminated-string-list", 2, strings); /* should fail */ + selftest(rc == -EILSEQ && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc); + strings[1] = NULL; + + /* of_property_read_string_array() tests */ + rc = of_property_read_string_array(np, "string-property", strings, 4); + selftest(rc == 1, "Incorrect string count; rc=%i\n", rc); + rc = of_property_read_string_array(np, "phandle-list-names", strings, 4); + selftest(rc == 3, "Incorrect string count; rc=%i\n", rc); + rc = of_property_read_string_array(np, "unterminated-string", strings, 4); + selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc); + /* -- An incorrectly formed string should cause a failure */ + rc = of_property_read_string_array(np, "unterminated-string-list", strings, 4); + selftest(rc == -EILSEQ, "unterminated string array; rc=%i\n", rc); + /* -- parsing the correctly formed strings should still work: */ + strings[2] = NULL; + rc = of_property_read_string_array(np, "unterminated-string-list", strings, 2); + selftest(rc == 2 && strings[2] == NULL, "of_property_read_string_array() failure; rc=%i\n", rc); + strings[1] = NULL; + rc = of_property_read_string_array(np, "phandle-list-names", strings, 1); + selftest(rc == 1 && strings[1] == NULL, "Overwrote end of string array; rc=%i, str='%s'\n", rc, strings[1]); } #define propcmp(p1, p2) (((p1)->length == (p2)->length) && \ @@ -881,7 +935,7 @@ static int __init of_selftest(void) of_selftest_find_node_by_name(); of_selftest_dynamic(); of_selftest_parse_phandle_with_args(); - of_selftest_property_match_string(); + of_selftest_property_string(); of_selftest_property_copy(); of_selftest_changeset(); of_selftest_parse_interrupts(); diff --git a/drivers/of/testcase-data/tests-phandle.dtsi b/drivers/of/testcase-data/tests-phandle.dtsi index ce0fe083d406..5b1527e8a7fb 100644 --- a/drivers/of/testcase-data/tests-phandle.dtsi +++ b/drivers/of/testcase-data/tests-phandle.dtsi @@ -39,7 +39,9 @@ consumer-a { phandle-list-bad-args = <&provider2 1 0>, <&provider3 0>; empty-property; + string-property = "foobar"; unterminated-string = [40 41 42 43]; + unterminated-string-list = "first", "second", [40 41 42 43]; }; }; }; diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c index 233fe8a88264..69202d1eb8fb 100644 --- a/drivers/pci/host/pci-imx6.c +++ b/drivers/pci/host/pci-imx6.c @@ -275,15 +275,22 @@ static int imx6_pcie_deassert_core_reset(struct pcie_port *pp) goto err_pcie; } - /* allow the clocks to stabilize */ - usleep_range(200, 500); - /* power up core phy and enable ref clock */ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, IMX6Q_GPR1_PCIE_TEST_PD, 0 << 18); + /* + * the async reset input need ref clock to sync internally, + * when the ref clock comes after reset, internal synced + * reset time is too short, cannot meet the requirement. + * add one ~10us delay here. + */ + udelay(10); regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, IMX6Q_GPR1_PCIE_REF_CLK_EN, 1 << 16); + /* allow the clocks to stabilize */ + usleep_range(200, 500); + /* Some boards don't have PCIe reset GPIO. */ if (gpio_is_valid(imx6_pcie->reset_gpio)) { gpio_set_value(imx6_pcie->reset_gpio, 0); diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 3a5e7e28b874..07aa722bb12c 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -262,13 +262,6 @@ static int pciehp_probe(struct pcie_device *dev) goto err_out_none; } - if (!dev->port->subordinate) { - /* Can happen if we run out of bus numbers during probe */ - dev_err(&dev->device, - "Hotplug bridge without secondary bus, ignoring\n"); - goto err_out_none; - } - ctrl = pcie_init(dev); if (!ctrl) { dev_err(&dev->device, "Controller initialization failed\n"); diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 92b6d9ab00e4..2c6643fdc0cf 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -185,7 +185,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR_RO(modalias); -static ssize_t enabled_store(struct device *dev, struct device_attribute *attr, +static ssize_t enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct pci_dev *pdev = to_pci_dev(dev); @@ -210,7 +210,7 @@ static ssize_t enabled_store(struct device *dev, struct device_attribute *attr, return result < 0 ? result : count; } -static ssize_t enabled_show(struct device *dev, struct device_attribute *attr, +static ssize_t enable_show(struct device *dev, struct device_attribute *attr, char *buf) { struct pci_dev *pdev; @@ -218,7 +218,7 @@ static ssize_t enabled_show(struct device *dev, struct device_attribute *attr, pdev = to_pci_dev(dev); return sprintf(buf, "%u\n", atomic_read(&pdev->enable_cnt)); } -static DEVICE_ATTR_RW(enabled); +static DEVICE_ATTR_RW(enable); #ifdef CONFIG_NUMA static ssize_t numa_node_show(struct device *dev, struct device_attribute *attr, @@ -563,7 +563,7 @@ static struct attribute *pci_dev_attrs[] = { #endif &dev_attr_dma_mask_bits.attr, &dev_attr_consistent_dma_mask_bits.attr, - &dev_attr_enabled.attr, + &dev_attr_enable.attr, &dev_attr_broken_parity_status.attr, &dev_attr_msi_bus.attr, #if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI) diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c index a9f9c46e5022..63fc63911295 100644 --- a/drivers/pci/pcie/pme.c +++ b/drivers/pci/pcie/pme.c @@ -397,6 +397,7 @@ static int pcie_pme_suspend(struct pcie_device *srv) struct pcie_pme_service_data *data = get_service_data(srv); struct pci_dev *port = srv->port; bool wakeup; + int ret; if (device_may_wakeup(&port->dev)) { wakeup = true; @@ -407,9 +408,10 @@ static int pcie_pme_suspend(struct pcie_device *srv) } spin_lock_irq(&data->lock); if (wakeup) { - enable_irq_wake(srv->irq); + ret = enable_irq_wake(srv->irq); data->suspend_level = PME_SUSPEND_WAKEUP; - } else { + } + if (!wakeup || ret) { struct pci_dev *port = srv->port; pcie_pme_interrupt_enable(port, false); diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c index 8c842980834a..f091576b6449 100644 --- a/drivers/phy/phy-omap-usb2.c +++ b/drivers/phy/phy-omap-usb2.c @@ -258,14 +258,16 @@ static int omap_usb2_probe(struct platform_device *pdev) otg->phy = &phy->phy; platform_set_drvdata(pdev, phy); + pm_runtime_enable(phy->dev); generic_phy = devm_phy_create(phy->dev, NULL, &ops, NULL); - if (IS_ERR(generic_phy)) + if (IS_ERR(generic_phy)) { + pm_runtime_disable(phy->dev); return PTR_ERR(generic_phy); + } phy_set_drvdata(generic_phy, phy); - pm_runtime_enable(phy->dev); phy_provider = devm_of_phy_provider_register(phy->dev, of_phy_simple_xlate); if (IS_ERR(phy_provider)) { diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c index e12e5b07f6d7..9dc38140194b 100644 --- a/drivers/pinctrl/pinctrl-baytrail.c +++ b/drivers/pinctrl/pinctrl-baytrail.c @@ -227,10 +227,14 @@ static int byt_irq_type(struct irq_data *d, unsigned type) spin_lock_irqsave(&vg->lock, flags); value = readl(reg); + WARN(value & BYT_DIRECT_IRQ_EN, + "Bad pad config for io mode, force direct_irq_en bit clearing"); + /* For level trigges the BYT_TRIG_POS and BYT_TRIG_NEG bits * are used to indicate high and low level triggering */ - value &= ~(BYT_TRIG_POS | BYT_TRIG_NEG | BYT_TRIG_LVL); + value &= ~(BYT_DIRECT_IRQ_EN | BYT_TRIG_POS | BYT_TRIG_NEG | + BYT_TRIG_LVL); switch (type) { case IRQ_TYPE_LEVEL_HIGH: @@ -318,7 +322,7 @@ static int byt_gpio_direction_output(struct gpio_chip *chip, "Potential Error: Setting GPIO with direct_irq_en to output"); reg_val = readl(reg) | BYT_DIR_MASK; - reg_val &= ~BYT_OUTPUT_EN; + reg_val &= ~(BYT_OUTPUT_EN | BYT_INPUT_EN); if (value) writel(reg_val | BYT_LEVEL, reg); diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 4dcfb7116a04..a2eabe6ff9ad 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -202,6 +202,7 @@ config TC1100_WMI config HP_ACCEL tristate "HP laptop accelerometer" depends on INPUT && ACPI + depends on SERIO_I8042 select SENSORS_LIS3LV02D select NEW_LEDS select LEDS_CLASS diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 96a0b75c52c9..26c4fd1394da 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -579,6 +579,17 @@ static const struct dmi_system_id video_vendor_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5741"), }, }, + { + /* + * Note no video_set_backlight_video_vendor, we must use the + * acer interface, as there is no native backlight interface. + */ + .ident = "Acer KAV80", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"), + }, + }, {} }; diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index 3a4951f46065..c1a6cd66af42 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -180,6 +180,15 @@ static const struct dmi_system_id asus_quirks[] = { }, .driver_data = &quirk_asus_wapf4, }, + { + .callback = dmi_matched, + .ident = "ASUSTeK COMPUTER INC. X550VB", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"), + }, + .driver_data = &quirk_asus_wapf4, + }, { .callback = dmi_matched, .ident = "ASUSTeK COMPUTER INC. X55A", diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 13e14ec1d3d7..6bec745b6b92 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -37,6 +37,8 @@ #include #include #include +#include +#include #include "../../misc/lis3lv02d/lis3lv02d.h" #define DRIVER_NAME "hp_accel" @@ -73,6 +75,13 @@ static inline void delayed_sysfs_set(struct led_classdev *led_cdev, /* HP-specific accelerometer driver ------------------------------------ */ +/* e0 25, e0 26, e0 27, e0 28 are scan codes that the accelerometer with acpi id + * HPQ6000 sends through the keyboard bus */ +#define ACCEL_1 0x25 +#define ACCEL_2 0x26 +#define ACCEL_3 0x27 +#define ACCEL_4 0x28 + /* For automatic insertion of the module */ static const struct acpi_device_id lis3lv02d_device_ids[] = { {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ @@ -294,6 +303,35 @@ static void lis3lv02d_enum_resources(struct acpi_device *device) printk(KERN_DEBUG DRIVER_NAME ": Error getting resources\n"); } +static bool hp_accel_i8042_filter(unsigned char data, unsigned char str, + struct serio *port) +{ + static bool extended; + + if (str & I8042_STR_AUXDATA) + return false; + + if (data == 0xe0) { + extended = true; + return true; + } else if (unlikely(extended)) { + extended = false; + + switch (data) { + case ACCEL_1: + case ACCEL_2: + case ACCEL_3: + case ACCEL_4: + return true; + default: + serio_interrupt(port, 0xe0, 0); + return false; + } + } + + return false; +} + static int lis3lv02d_add(struct acpi_device *device) { int ret; @@ -326,6 +364,11 @@ static int lis3lv02d_add(struct acpi_device *device) if (ret) return ret; + /* filter to remove HPQ6000 accelerometer data + * from keyboard bus stream */ + if (strstr(dev_name(&device->dev), "HPQ6000")) + i8042_install_filter(hp_accel_i8042_filter); + INIT_WORK(&hpled_led.work, delayed_set_status_worker); ret = led_classdev_register(NULL, &hpled_led.led_classdev); if (ret) { @@ -343,6 +386,7 @@ static int lis3lv02d_remove(struct acpi_device *device) if (!device) return -EINVAL; + i8042_remove_filter(hp_accel_i8042_filter); lis3lv02d_joystick_disable(&lis3_dev); lis3lv02d_poweroff(&lis3_dev); diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 02152de135b5..ed494f37c40f 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -837,6 +837,13 @@ static const struct dmi_system_id no_hw_rfkill_list[] = { DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 2"), }, }, + { + .ident = "Lenovo Yoga 3 Pro 1370", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 3 Pro-1370"), + }, + }, {} }; diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c index 5a5966512277..ff765d8e1a09 100644 --- a/drivers/platform/x86/samsung-laptop.c +++ b/drivers/platform/x86/samsung-laptop.c @@ -1559,6 +1559,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = { }, .driver_data = &samsung_broken_acpi_video, }, + { + .callback = samsung_dmi_matched, + .ident = "NC210", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "NC210/NC110"), + DMI_MATCH(DMI_BOARD_NAME, "NC210/NC110"), + }, + .driver_data = &samsung_broken_acpi_video, + }, { .callback = samsung_dmi_matched, .ident = "730U3E/740U3E", diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index ef3a1904e92f..ab6151f05420 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -240,6 +240,12 @@ static const struct dmi_system_id toshiba_alt_keymap_dmi[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Qosmio X75-A"), }, }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A50-A"), + }, + }, {} }; diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c index 217da4b2ca86..99a78d365ceb 100644 --- a/drivers/power/ab8500_fg.c +++ b/drivers/power/ab8500_fg.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -108,7 +109,7 @@ enum ab8500_fg_calibration_state { struct ab8500_fg_avg_cap { int avg; int samples[NBR_AVG_SAMPLES]; - __kernel_time_t time_stamps[NBR_AVG_SAMPLES]; + time64_t time_stamps[NBR_AVG_SAMPLES]; int pos; int nbr_samples; int sum; @@ -386,15 +387,15 @@ static int ab8500_fg_is_low_curr(struct ab8500_fg *di, int curr) */ static int ab8500_fg_add_cap_sample(struct ab8500_fg *di, int sample) { - struct timespec ts; + struct timespec64 ts64; struct ab8500_fg_avg_cap *avg = &di->avg_cap; - getnstimeofday(&ts); + getnstimeofday64(&ts64); do { avg->sum += sample - avg->samples[avg->pos]; avg->samples[avg->pos] = sample; - avg->time_stamps[avg->pos] = ts.tv_sec; + avg->time_stamps[avg->pos] = ts64.tv_sec; avg->pos++; if (avg->pos == NBR_AVG_SAMPLES) @@ -407,7 +408,7 @@ static int ab8500_fg_add_cap_sample(struct ab8500_fg *di, int sample) * Check the time stamp for each sample. If too old, * replace with latest sample */ - } while (ts.tv_sec - VALID_CAPACITY_SEC > avg->time_stamps[avg->pos]); + } while (ts64.tv_sec - VALID_CAPACITY_SEC > avg->time_stamps[avg->pos]); avg->avg = avg->sum / avg->nbr_samples; @@ -446,14 +447,14 @@ static void ab8500_fg_clear_cap_samples(struct ab8500_fg *di) static void ab8500_fg_fill_cap_sample(struct ab8500_fg *di, int sample) { int i; - struct timespec ts; + struct timespec64 ts64; struct ab8500_fg_avg_cap *avg = &di->avg_cap; - getnstimeofday(&ts); + getnstimeofday64(&ts64); for (i = 0; i < NBR_AVG_SAMPLES; i++) { avg->samples[i] = sample; - avg->time_stamps[i] = ts.tv_sec; + avg->time_stamps[i] = ts64.tv_sec; } avg->pos = 0; diff --git a/drivers/power/bq2415x_charger.c b/drivers/power/bq2415x_charger.c index e384844a1ae1..1f49986fc605 100644 --- a/drivers/power/bq2415x_charger.c +++ b/drivers/power/bq2415x_charger.c @@ -1579,8 +1579,15 @@ static int bq2415x_probe(struct i2c_client *client, if (np) { bq->notify_psy = power_supply_get_by_phandle(np, "ti,usb-charger-detection"); - if (!bq->notify_psy) - return -EPROBE_DEFER; + if (IS_ERR(bq->notify_psy)) { + dev_info(&client->dev, + "no 'ti,usb-charger-detection' property (err=%ld)\n", + PTR_ERR(bq->notify_psy)); + bq->notify_psy = NULL; + } else if (!bq->notify_psy) { + ret = -EPROBE_DEFER; + goto error_2; + } } else if (pdata->notify_device) bq->notify_psy = power_supply_get_by_name(pdata->notify_device); @@ -1602,27 +1609,27 @@ static int bq2415x_probe(struct i2c_client *client, ret = of_property_read_u32(np, "ti,current-limit", &bq->init_data.current_limit); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,weak-battery-voltage", &bq->init_data.weak_battery_voltage); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,battery-regulation-voltage", &bq->init_data.battery_regulation_voltage); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,charge-current", &bq->init_data.charge_current); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,termination-current", &bq->init_data.termination_current); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,resistor-sense", &bq->init_data.resistor_sense); if (ret) - return ret; + goto error_2; } else { memcpy(&bq->init_data, pdata, sizeof(bq->init_data)); } diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c index 7098a1ce2d3c..ef8094a61f1e 100644 --- a/drivers/power/charger-manager.c +++ b/drivers/power/charger-manager.c @@ -97,6 +97,7 @@ static struct charger_global_desc *g_desc; /* init with setup_charger_manager */ static bool is_batt_present(struct charger_manager *cm) { union power_supply_propval val; + struct power_supply *psy; bool present = false; int i, ret; @@ -107,16 +108,27 @@ static bool is_batt_present(struct charger_manager *cm) case CM_NO_BATTERY: break; case CM_FUEL_GAUGE: - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + psy = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!psy) + break; + + ret = psy->get_property(psy, POWER_SUPPLY_PROP_PRESENT, &val); if (ret == 0 && val.intval) present = true; break; case CM_CHARGER_STAT: - for (i = 0; cm->charger_stat[i]; i++) { - ret = cm->charger_stat[i]->get_property( - cm->charger_stat[i], - POWER_SUPPLY_PROP_PRESENT, &val); + for (i = 0; cm->desc->psy_charger_stat[i]; i++) { + psy = power_supply_get_by_name( + cm->desc->psy_charger_stat[i]); + if (!psy) { + dev_err(cm->dev, "Cannot find power supply \"%s\"\n", + cm->desc->psy_charger_stat[i]); + continue; + } + + ret = psy->get_property(psy, POWER_SUPPLY_PROP_PRESENT, + &val); if (ret == 0 && val.intval) { present = true; break; @@ -139,14 +151,20 @@ static bool is_batt_present(struct charger_manager *cm) static bool is_ext_pwr_online(struct charger_manager *cm) { union power_supply_propval val; + struct power_supply *psy; bool online = false; int i, ret; /* If at least one of them has one, it's yes. */ - for (i = 0; cm->charger_stat[i]; i++) { - ret = cm->charger_stat[i]->get_property( - cm->charger_stat[i], - POWER_SUPPLY_PROP_ONLINE, &val); + for (i = 0; cm->desc->psy_charger_stat[i]; i++) { + psy = power_supply_get_by_name(cm->desc->psy_charger_stat[i]); + if (!psy) { + dev_err(cm->dev, "Cannot find power supply \"%s\"\n", + cm->desc->psy_charger_stat[i]); + continue; + } + + ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val); if (ret == 0 && val.intval) { online = true; break; @@ -167,12 +185,14 @@ static bool is_ext_pwr_online(struct charger_manager *cm) static int get_batt_uV(struct charger_manager *cm, int *uV) { union power_supply_propval val; + struct power_supply *fuel_gauge; int ret; - if (!cm->fuel_gauge) + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) return -ENODEV; - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_VOLTAGE_NOW, &val); if (ret) return ret; @@ -189,6 +209,7 @@ static bool is_charging(struct charger_manager *cm) { int i, ret; bool charging = false; + struct power_supply *psy; union power_supply_propval val; /* If there is no battery, it cannot be charged */ @@ -196,17 +217,22 @@ static bool is_charging(struct charger_manager *cm) return false; /* If at least one of the charger is charging, return yes */ - for (i = 0; cm->charger_stat[i]; i++) { + for (i = 0; cm->desc->psy_charger_stat[i]; i++) { /* 1. The charger sholuld not be DISABLED */ if (cm->emergency_stop) continue; if (!cm->charger_enabled) continue; + psy = power_supply_get_by_name(cm->desc->psy_charger_stat[i]); + if (!psy) { + dev_err(cm->dev, "Cannot find power supply \"%s\"\n", + cm->desc->psy_charger_stat[i]); + continue; + } + /* 2. The charger should be online (ext-power) */ - ret = cm->charger_stat[i]->get_property( - cm->charger_stat[i], - POWER_SUPPLY_PROP_ONLINE, &val); + ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val); if (ret) { dev_warn(cm->dev, "Cannot read ONLINE value from %s\n", cm->desc->psy_charger_stat[i]); @@ -219,9 +245,7 @@ static bool is_charging(struct charger_manager *cm) * 3. The charger should not be FULL, DISCHARGING, * or NOT_CHARGING. */ - ret = cm->charger_stat[i]->get_property( - cm->charger_stat[i], - POWER_SUPPLY_PROP_STATUS, &val); + ret = psy->get_property(psy, POWER_SUPPLY_PROP_STATUS, &val); if (ret) { dev_warn(cm->dev, "Cannot read STATUS value from %s\n", cm->desc->psy_charger_stat[i]); @@ -248,6 +272,7 @@ static bool is_full_charged(struct charger_manager *cm) { struct charger_desc *desc = cm->desc; union power_supply_propval val; + struct power_supply *fuel_gauge; int ret = 0; int uV; @@ -255,11 +280,15 @@ static bool is_full_charged(struct charger_manager *cm) if (!is_batt_present(cm)) return false; - if (cm->fuel_gauge && desc->fullbatt_full_capacity > 0) { + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) + return false; + + if (desc->fullbatt_full_capacity > 0) { val.intval = 0; /* Not full if capacity of fuel gauge isn't full */ - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CHARGE_FULL, &val); if (!ret && val.intval > desc->fullbatt_full_capacity) return true; @@ -273,10 +302,10 @@ static bool is_full_charged(struct charger_manager *cm) } /* Full, if the capacity is more than fullbatt_soc */ - if (cm->fuel_gauge && desc->fullbatt_soc > 0) { + if (desc->fullbatt_soc > 0) { val.intval = 0; - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CAPACITY, &val); if (!ret && val.intval >= desc->fullbatt_soc) return true; @@ -551,6 +580,20 @@ static int check_charging_duration(struct charger_manager *cm) return ret; } +static int cm_get_battery_temperature_by_psy(struct charger_manager *cm, + int *temp) +{ + struct power_supply *fuel_gauge; + + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) + return -ENODEV; + + return fuel_gauge->get_property(fuel_gauge, + POWER_SUPPLY_PROP_TEMP, + (union power_supply_propval *)temp); +} + static int cm_get_battery_temperature(struct charger_manager *cm, int *temp) { @@ -560,15 +603,18 @@ static int cm_get_battery_temperature(struct charger_manager *cm, return -ENODEV; #ifdef CONFIG_THERMAL - ret = thermal_zone_get_temp(cm->tzd_batt, (unsigned long *)temp); - if (!ret) - /* Calibrate temperature unit */ - *temp /= 100; -#else - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, - POWER_SUPPLY_PROP_TEMP, - (union power_supply_propval *)temp); + if (cm->tzd_batt) { + ret = thermal_zone_get_temp(cm->tzd_batt, (unsigned long *)temp); + if (!ret) + /* Calibrate temperature unit */ + *temp /= 100; + } else #endif + { + /* if-else continued from CONFIG_THERMAL */ + ret = cm_get_battery_temperature_by_psy(cm, temp); + } + return ret; } @@ -827,6 +873,7 @@ static int charger_get_property(struct power_supply *psy, struct charger_manager *cm = container_of(psy, struct charger_manager, charger_psy); struct charger_desc *desc = cm->desc; + struct power_supply *fuel_gauge; int ret = 0; int uV; @@ -857,14 +904,20 @@ static int charger_get_property(struct power_supply *psy, ret = get_batt_uV(cm, &val->intval); break; case POWER_SUPPLY_PROP_CURRENT_NOW: - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) { + ret = -ENODEV; + break; + } + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CURRENT_NOW, val); break; case POWER_SUPPLY_PROP_TEMP: case POWER_SUPPLY_PROP_TEMP_AMBIENT: return cm_get_battery_temperature(cm, &val->intval); case POWER_SUPPLY_PROP_CAPACITY: - if (!cm->fuel_gauge) { + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) { ret = -ENODEV; break; } @@ -875,7 +928,7 @@ static int charger_get_property(struct power_supply *psy, break; } - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CAPACITY, val); if (ret) break; @@ -924,7 +977,14 @@ static int charger_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CHARGE_NOW: if (is_charging(cm)) { - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + fuel_gauge = power_supply_get_by_name( + cm->desc->psy_fuel_gauge); + if (!fuel_gauge) { + ret = -ENODEV; + break; + } + + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CHARGE_NOW, val); if (ret) { @@ -970,6 +1030,7 @@ static struct power_supply psy_default = { .properties = default_charger_props, .num_properties = ARRAY_SIZE(default_charger_props), .get_property = charger_get_property, + .no_thermal = true, }; /** @@ -1485,14 +1546,15 @@ static int charger_manager_register_sysfs(struct charger_manager *cm) return ret; } -static int cm_init_thermal_data(struct charger_manager *cm) +static int cm_init_thermal_data(struct charger_manager *cm, + struct power_supply *fuel_gauge) { struct charger_desc *desc = cm->desc; union power_supply_propval val; int ret; /* Verify whether fuel gauge provides battery temperature */ - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_TEMP, &val); if (!ret) { @@ -1502,8 +1564,6 @@ static int cm_init_thermal_data(struct charger_manager *cm) cm->desc->measure_battery_temp = true; } #ifdef CONFIG_THERMAL - cm->tzd_batt = cm->fuel_gauge->tzd; - if (ret && desc->thermal_zone) { cm->tzd_batt = thermal_zone_get_zone_by_name(desc->thermal_zone); @@ -1666,6 +1726,7 @@ static int charger_manager_probe(struct platform_device *pdev) int ret = 0, i = 0; int j = 0; union power_supply_propval val; + struct power_supply *fuel_gauge; if (g_desc && !rtc_dev && g_desc->rtc_name) { rtc_dev = rtc_class_open(g_desc->rtc_name); @@ -1729,23 +1790,20 @@ static int charger_manager_probe(struct platform_device *pdev) while (desc->psy_charger_stat[i]) i++; - cm->charger_stat = devm_kzalloc(&pdev->dev, - sizeof(struct power_supply *) * i, GFP_KERNEL); - if (!cm->charger_stat) - return -ENOMEM; - + /* Check if charger's supplies are present at probe */ for (i = 0; desc->psy_charger_stat[i]; i++) { - cm->charger_stat[i] = power_supply_get_by_name( - desc->psy_charger_stat[i]); - if (!cm->charger_stat[i]) { + struct power_supply *psy; + + psy = power_supply_get_by_name(desc->psy_charger_stat[i]); + if (!psy) { dev_err(&pdev->dev, "Cannot find power supply \"%s\"\n", desc->psy_charger_stat[i]); return -ENODEV; } } - cm->fuel_gauge = power_supply_get_by_name(desc->psy_fuel_gauge); - if (!cm->fuel_gauge) { + fuel_gauge = power_supply_get_by_name(desc->psy_fuel_gauge); + if (!fuel_gauge) { dev_err(&pdev->dev, "Cannot find power supply \"%s\"\n", desc->psy_fuel_gauge); return -ENODEV; @@ -1788,13 +1846,13 @@ static int charger_manager_probe(struct platform_device *pdev) cm->charger_psy.num_properties = psy_default.num_properties; /* Find which optional psy-properties are available */ - if (!cm->fuel_gauge->get_property(cm->fuel_gauge, + if (!fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CHARGE_NOW, &val)) { cm->charger_psy.properties[cm->charger_psy.num_properties] = POWER_SUPPLY_PROP_CHARGE_NOW; cm->charger_psy.num_properties++; } - if (!cm->fuel_gauge->get_property(cm->fuel_gauge, + if (!fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CURRENT_NOW, &val)) { cm->charger_psy.properties[cm->charger_psy.num_properties] = @@ -1802,7 +1860,7 @@ static int charger_manager_probe(struct platform_device *pdev) cm->charger_psy.num_properties++; } - ret = cm_init_thermal_data(cm); + ret = cm_init_thermal_data(cm, fuel_gauge); if (ret) { dev_err(&pdev->dev, "Failed to initialize thermal data\n"); cm->desc->measure_battery_temp = false; @@ -2066,8 +2124,8 @@ static bool find_power_supply(struct charger_manager *cm, int i; bool found = false; - for (i = 0; cm->charger_stat[i]; i++) { - if (psy == cm->charger_stat[i]) { + for (i = 0; cm->desc->psy_charger_stat[i]; i++) { + if (!strcmp(psy->name, cm->desc->psy_charger_stat[i])) { found = true; break; } diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 6cb7fe5c022d..694e8cddd5c1 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -417,6 +417,9 @@ static int psy_register_thermal(struct power_supply *psy) { int i; + if (psy->no_thermal) + return 0; + /* Register battery zone device psy reports temperature */ for (i = 0; i < psy->num_properties; i++) { if (psy->properties[i] == POWER_SUPPLY_PROP_TEMP) { diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index 3611806c9cfd..3cb36693343a 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -100,11 +100,11 @@ static void at91sam9g45_restart(enum reboot_mode mode, const char *cmd) /* Disable SDRAM0 accesses */ "1: str %3, [%0, #" __stringify(AT91_DDRSDRC_RTR) "]\n\t" /* Power down SDRAM0 */ - " str %4, [%0, #" __stringify(AT91_DDRSDRC_RTR) "]\n\t" + " str %4, [%0, #" __stringify(AT91_DDRSDRC_LPR) "]\n\t" /* Disable SDRAM1 accesses */ " strne %3, [%1, #" __stringify(AT91_DDRSDRC_RTR) "]\n\t" /* Power down SDRAM1 */ - " strne %4, [%1, #" __stringify(AT91_DDRSDRC_RTR) "]\n\t" + " strne %4, [%1, #" __stringify(AT91_DDRSDRC_LPR) "]\n\t" /* Reset CPU */ " str %5, [%2, #" __stringify(AT91_RSTC_CR) "]\n\t" diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index b800783800a3..ef2dd2e4754b 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -83,6 +83,7 @@ config PWM_BFIN config PWM_CLPS711X tristate "CLPS711X PWM support" depends on ARCH_CLPS711X || COMPILE_TEST + depends on HAS_IOMEM help Generic PWM framework driver for Cirrus Logic CLPS711X. @@ -101,6 +102,7 @@ config PWM_EP93XX config PWM_FSL_FTM tristate "Freescale FlexTimer Module (FTM) PWM support" depends on OF + select REGMAP_MMIO help Generic FTM PWM framework driver for Freescale VF610 and Layerscape LS-1 SoCs. @@ -149,7 +151,7 @@ config PWM_LPC32XX config PWM_LPSS tristate "Intel LPSS PWM support" - depends on ACPI + depends on X86 help Generic PWM framework driver for Intel Low Power Subsystem PWM controller. @@ -157,6 +159,24 @@ config PWM_LPSS To compile this driver as a module, choose M here: the module will be called pwm-lpss. +config PWM_LPSS_PCI + tristate "Intel LPSS PWM PCI driver" + depends on PWM_LPSS && PCI + help + The PCI driver for Intel Low Power Subsystem PWM controller. + + To compile this driver as a module, choose M here: the module + will be called pwm-lpss-pci. + +config PWM_LPSS_PLATFORM + tristate "Intel LPSS PWM platform driver" + depends on PWM_LPSS && ACPI + help + The platform driver for Intel Low Power Subsystem PWM controller. + + To compile this driver as a module, choose M here: the module + will be called pwm-lpss-platform. + config PWM_MXS tristate "Freescale MXS PWM support" depends on ARCH_MXS && OF diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile index f8c577d41091..c458606c3755 100644 --- a/drivers/pwm/Makefile +++ b/drivers/pwm/Makefile @@ -13,6 +13,8 @@ obj-$(CONFIG_PWM_JZ4740) += pwm-jz4740.o obj-$(CONFIG_PWM_LP3943) += pwm-lp3943.o obj-$(CONFIG_PWM_LPC32XX) += pwm-lpc32xx.o obj-$(CONFIG_PWM_LPSS) += pwm-lpss.o +obj-$(CONFIG_PWM_LPSS_PCI) += pwm-lpss-pci.o +obj-$(CONFIG_PWM_LPSS_PLATFORM) += pwm-lpss-platform.o obj-$(CONFIG_PWM_MXS) += pwm-mxs.o obj-$(CONFIG_PWM_PCA9685) += pwm-pca9685.o obj-$(CONFIG_PWM_PUV3) += pwm-puv3.o diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index d2c35920ff08..966497d10c6e 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -236,7 +236,7 @@ int pwmchip_add(struct pwm_chip *chip) int ret; if (!chip || !chip->dev || !chip->ops || !chip->ops->config || - !chip->ops->enable || !chip->ops->disable) + !chip->ops->enable || !chip->ops->disable || !chip->npwm) return -EINVAL; mutex_lock(&pwm_lock); @@ -602,12 +602,9 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id) struct pwm_device *pwm = ERR_PTR(-EPROBE_DEFER); const char *dev_id = dev ? dev_name(dev) : NULL; struct pwm_chip *chip = NULL; - unsigned int index = 0; unsigned int best = 0; - struct pwm_lookup *p; + struct pwm_lookup *p, *chosen = NULL; unsigned int match; - unsigned int period; - enum pwm_polarity polarity; /* look up via DT first */ if (IS_ENABLED(CONFIG_OF) && dev && dev->of_node) @@ -653,10 +650,7 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id) } if (match > best) { - chip = pwmchip_find_by_name(p->provider); - index = p->index; - period = p->period; - polarity = p->polarity; + chosen = p; if (match != 3) best = match; @@ -665,17 +659,22 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id) } } - mutex_unlock(&pwm_lookup_lock); + if (!chosen) + goto out; - if (chip) - pwm = pwm_request_from_chip(chip, index, con_id ?: dev_id); + chip = pwmchip_find_by_name(chosen->provider); + if (!chip) + goto out; + + pwm = pwm_request_from_chip(chip, chosen->index, con_id ?: dev_id); if (IS_ERR(pwm)) - return pwm; - - pwm_set_period(pwm, period); - pwm_set_polarity(pwm, polarity); + goto out; + pwm_set_period(pwm, chosen->period); + pwm_set_polarity(pwm, chosen->polarity); +out: + mutex_unlock(&pwm_lookup_lock); return pwm; } EXPORT_SYMBOL_GPL(pwm_get); diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c index 6e700a541ca3..d3c22de9ee47 100644 --- a/drivers/pwm/pwm-atmel.c +++ b/drivers/pwm/pwm-atmel.c @@ -102,7 +102,7 @@ static int atmel_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, int duty_ns, int period_ns) { struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip); - unsigned long clk_rate, prd, dty; + unsigned long prd, dty; unsigned long long div; unsigned int pres = 0; u32 val; @@ -113,20 +113,18 @@ static int atmel_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, return -EBUSY; } - clk_rate = clk_get_rate(atmel_pwm->clk); - div = clk_rate; + /* Calculate the period cycles and prescale value */ + div = (unsigned long long)clk_get_rate(atmel_pwm->clk) * period_ns; + do_div(div, NSEC_PER_SEC); - /* Calculate the period cycles */ while (div > PWM_MAX_PRD) { - div = clk_rate / (1 << pres); - div = div * period_ns; - /* 1/Hz = 100000000 ns */ - do_div(div, 1000000000); + div >>= 1; + pres++; + } - if (pres++ > PRD_MAX_PRES) { - dev_err(chip->dev, "pres exceeds the maximum value\n"); - return -EINVAL; - } + if (pres > PRD_MAX_PRES) { + dev_err(chip->dev, "pres exceeds the maximum value\n"); + return -EINVAL; } /* Calculate the duty cycles */ diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c index a18bc8fea385..0f2cc7ef7784 100644 --- a/drivers/pwm/pwm-fsl-ftm.c +++ b/drivers/pwm/pwm-fsl-ftm.c @@ -18,14 +18,14 @@ #include #include #include +#include #include #define FTM_SC 0x00 -#define FTM_SC_CLK_MASK 0x3 -#define FTM_SC_CLK_SHIFT 3 -#define FTM_SC_CLK(c) (((c) + 1) << FTM_SC_CLK_SHIFT) +#define FTM_SC_CLK_MASK_SHIFT 3 +#define FTM_SC_CLK_MASK (3 << FTM_SC_CLK_MASK_SHIFT) +#define FTM_SC_CLK(c) (((c) + 1) << FTM_SC_CLK_MASK_SHIFT) #define FTM_SC_PS_MASK 0x7 -#define FTM_SC_PS_SHIFT 0 #define FTM_CNT 0x04 #define FTM_MOD 0x08 @@ -83,7 +83,7 @@ struct fsl_pwm_chip { unsigned int cnt_select; unsigned int clk_ps; - void __iomem *base; + struct regmap *regmap; int period_ns; @@ -219,10 +219,11 @@ static unsigned long fsl_pwm_calculate_duty(struct fsl_pwm_chip *fpc, unsigned long period_ns, unsigned long duty_ns) { - unsigned long long val, duty; + unsigned long long duty; + u32 val; - val = readl(fpc->base + FTM_MOD); - duty = duty_ns * (val + 1); + regmap_read(fpc->regmap, FTM_MOD, &val); + duty = (unsigned long long)duty_ns * (val + 1); do_div(duty, period_ns); return (unsigned long)duty; @@ -232,7 +233,7 @@ static int fsl_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, int duty_ns, int period_ns) { struct fsl_pwm_chip *fpc = to_fsl_chip(chip); - u32 val, period, duty; + u32 period, duty; mutex_lock(&fpc->lock); @@ -257,11 +258,9 @@ static int fsl_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, return -EINVAL; } - val = readl(fpc->base + FTM_SC); - val &= ~(FTM_SC_PS_MASK << FTM_SC_PS_SHIFT); - val |= fpc->clk_ps; - writel(val, fpc->base + FTM_SC); - writel(period - 1, fpc->base + FTM_MOD); + regmap_update_bits(fpc->regmap, FTM_SC, FTM_SC_PS_MASK, + fpc->clk_ps); + regmap_write(fpc->regmap, FTM_MOD, period - 1); fpc->period_ns = period_ns; } @@ -270,8 +269,9 @@ static int fsl_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, duty = fsl_pwm_calculate_duty(fpc, period_ns, duty_ns); - writel(FTM_CSC_MSB | FTM_CSC_ELSB, fpc->base + FTM_CSC(pwm->hwpwm)); - writel(duty, fpc->base + FTM_CV(pwm->hwpwm)); + regmap_write(fpc->regmap, FTM_CSC(pwm->hwpwm), + FTM_CSC_MSB | FTM_CSC_ELSB); + regmap_write(fpc->regmap, FTM_CV(pwm->hwpwm), duty); return 0; } @@ -283,31 +283,28 @@ static int fsl_pwm_set_polarity(struct pwm_chip *chip, struct fsl_pwm_chip *fpc = to_fsl_chip(chip); u32 val; - val = readl(fpc->base + FTM_POL); + regmap_read(fpc->regmap, FTM_POL, &val); if (polarity == PWM_POLARITY_INVERSED) val |= BIT(pwm->hwpwm); else val &= ~BIT(pwm->hwpwm); - writel(val, fpc->base + FTM_POL); + regmap_write(fpc->regmap, FTM_POL, val); return 0; } static int fsl_counter_clock_enable(struct fsl_pwm_chip *fpc) { - u32 val; int ret; if (fpc->use_count != 0) return 0; /* select counter clock source */ - val = readl(fpc->base + FTM_SC); - val &= ~(FTM_SC_CLK_MASK << FTM_SC_CLK_SHIFT); - val |= FTM_SC_CLK(fpc->cnt_select); - writel(val, fpc->base + FTM_SC); + regmap_update_bits(fpc->regmap, FTM_SC, FTM_SC_CLK_MASK, + FTM_SC_CLK(fpc->cnt_select)); ret = clk_prepare_enable(fpc->clk[fpc->cnt_select]); if (ret) @@ -327,13 +324,10 @@ static int fsl_counter_clock_enable(struct fsl_pwm_chip *fpc) static int fsl_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) { struct fsl_pwm_chip *fpc = to_fsl_chip(chip); - u32 val; int ret; mutex_lock(&fpc->lock); - val = readl(fpc->base + FTM_OUTMASK); - val &= ~BIT(pwm->hwpwm); - writel(val, fpc->base + FTM_OUTMASK); + regmap_update_bits(fpc->regmap, FTM_OUTMASK, BIT(pwm->hwpwm), 0); ret = fsl_counter_clock_enable(fpc); mutex_unlock(&fpc->lock); @@ -343,8 +337,6 @@ static int fsl_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) static void fsl_counter_clock_disable(struct fsl_pwm_chip *fpc) { - u32 val; - /* * already disabled, do nothing */ @@ -356,9 +348,7 @@ static void fsl_counter_clock_disable(struct fsl_pwm_chip *fpc) return; /* no users left, disable PWM counter clock */ - val = readl(fpc->base + FTM_SC); - val &= ~(FTM_SC_CLK_MASK << FTM_SC_CLK_SHIFT); - writel(val, fpc->base + FTM_SC); + regmap_update_bits(fpc->regmap, FTM_SC, FTM_SC_CLK_MASK, 0); clk_disable_unprepare(fpc->clk[FSL_PWM_CLK_CNTEN]); clk_disable_unprepare(fpc->clk[fpc->cnt_select]); @@ -370,14 +360,12 @@ static void fsl_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) u32 val; mutex_lock(&fpc->lock); - val = readl(fpc->base + FTM_OUTMASK); - val |= BIT(pwm->hwpwm); - writel(val, fpc->base + FTM_OUTMASK); + regmap_update_bits(fpc->regmap, FTM_OUTMASK, BIT(pwm->hwpwm), + BIT(pwm->hwpwm)); fsl_counter_clock_disable(fpc); - val = readl(fpc->base + FTM_OUTMASK); - + regmap_read(fpc->regmap, FTM_OUTMASK, &val); if ((val & 0xFF) == 0xFF) fpc->period_ns = 0; @@ -402,19 +390,28 @@ static int fsl_pwm_init(struct fsl_pwm_chip *fpc) if (ret) return ret; - writel(0x00, fpc->base + FTM_CNTIN); - writel(0x00, fpc->base + FTM_OUTINIT); - writel(0xFF, fpc->base + FTM_OUTMASK); + regmap_write(fpc->regmap, FTM_CNTIN, 0x00); + regmap_write(fpc->regmap, FTM_OUTINIT, 0x00); + regmap_write(fpc->regmap, FTM_OUTMASK, 0xFF); clk_disable_unprepare(fpc->clk[FSL_PWM_CLK_SYS]); return 0; } +static const struct regmap_config fsl_pwm_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + + .max_register = FTM_PWMLOAD, +}; + static int fsl_pwm_probe(struct platform_device *pdev) { struct fsl_pwm_chip *fpc; struct resource *res; + void __iomem *base; int ret; fpc = devm_kzalloc(&pdev->dev, sizeof(*fpc), GFP_KERNEL); @@ -426,9 +423,16 @@ static int fsl_pwm_probe(struct platform_device *pdev) fpc->chip.dev = &pdev->dev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - fpc->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(fpc->base)) - return PTR_ERR(fpc->base); + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + fpc->regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base, + &fsl_pwm_regmap_config); + if (IS_ERR(fpc->regmap)) { + dev_err(&pdev->dev, "regmap init failed\n"); + return PTR_ERR(fpc->regmap); + } fpc->clk[FSL_PWM_CLK_SYS] = devm_clk_get(&pdev->dev, "ftm_sys"); if (IS_ERR(fpc->clk[FSL_PWM_CLK_SYS])) { diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index 5449d9150d40..f8b5f109c1ab 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -21,24 +22,30 @@ /* i.MX1 and i.MX21 share the same PWM function block: */ -#define MX1_PWMC 0x00 /* PWM Control Register */ -#define MX1_PWMS 0x04 /* PWM Sample Register */ -#define MX1_PWMP 0x08 /* PWM Period Register */ +#define MX1_PWMC 0x00 /* PWM Control Register */ +#define MX1_PWMS 0x04 /* PWM Sample Register */ +#define MX1_PWMP 0x08 /* PWM Period Register */ -#define MX1_PWMC_EN (1 << 4) +#define MX1_PWMC_EN (1 << 4) /* i.MX27, i.MX31, i.MX35 share the same PWM function block: */ -#define MX3_PWMCR 0x00 /* PWM Control Register */ -#define MX3_PWMSAR 0x0C /* PWM Sample Register */ -#define MX3_PWMPR 0x10 /* PWM Period Register */ -#define MX3_PWMCR_PRESCALER(x) (((x - 1) & 0xFFF) << 4) -#define MX3_PWMCR_DOZEEN (1 << 24) -#define MX3_PWMCR_WAITEN (1 << 23) +#define MX3_PWMCR 0x00 /* PWM Control Register */ +#define MX3_PWMSR 0x04 /* PWM Status Register */ +#define MX3_PWMSAR 0x0C /* PWM Sample Register */ +#define MX3_PWMPR 0x10 /* PWM Period Register */ +#define MX3_PWMCR_PRESCALER(x) ((((x) - 1) & 0xFFF) << 4) +#define MX3_PWMCR_DOZEEN (1 << 24) +#define MX3_PWMCR_WAITEN (1 << 23) #define MX3_PWMCR_DBGEN (1 << 22) -#define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16) -#define MX3_PWMCR_CLKSRC_IPG (1 << 16) -#define MX3_PWMCR_EN (1 << 0) +#define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16) +#define MX3_PWMCR_CLKSRC_IPG (1 << 16) +#define MX3_PWMCR_SWR (1 << 3) +#define MX3_PWMCR_EN (1 << 0) +#define MX3_PWMSR_FIFOAV_4WORDS 0x4 +#define MX3_PWMSR_FIFOAV_MASK 0x7 + +#define MX3_PWM_SWR_LOOP 5 struct imx_chip { struct clk *clk_per; @@ -103,9 +110,43 @@ static int imx_pwm_config_v2(struct pwm_chip *chip, struct pwm_device *pwm, int duty_ns, int period_ns) { struct imx_chip *imx = to_imx_chip(chip); + struct device *dev = chip->dev; unsigned long long c; unsigned long period_cycles, duty_cycles, prescale; - u32 cr; + unsigned int period_ms; + bool enable = test_bit(PWMF_ENABLED, &pwm->flags); + int wait_count = 0, fifoav; + u32 cr, sr; + + /* + * i.MX PWMv2 has a 4-word sample FIFO. + * In order to avoid FIFO overflow issue, we do software reset + * to clear all sample FIFO if the controller is disabled or + * wait for a full PWM cycle to get a relinquished FIFO slot + * when the controller is enabled and the FIFO is fully loaded. + */ + if (enable) { + sr = readl(imx->mmio_base + MX3_PWMSR); + fifoav = sr & MX3_PWMSR_FIFOAV_MASK; + if (fifoav == MX3_PWMSR_FIFOAV_4WORDS) { + period_ms = DIV_ROUND_UP(pwm->period, NSEC_PER_MSEC); + msleep(period_ms); + + sr = readl(imx->mmio_base + MX3_PWMSR); + if (fifoav == (sr & MX3_PWMSR_FIFOAV_MASK)) + dev_warn(dev, "there is no free FIFO slot\n"); + } + } else { + writel(MX3_PWMCR_SWR, imx->mmio_base + MX3_PWMCR); + do { + usleep_range(200, 1000); + cr = readl(imx->mmio_base + MX3_PWMCR); + } while ((cr & MX3_PWMCR_SWR) && + (wait_count++ < MX3_PWM_SWR_LOOP)); + + if (cr & MX3_PWMCR_SWR) + dev_warn(dev, "software reset timeout\n"); + } c = clk_get_rate(imx->clk_per); c = c * period_ns; @@ -135,7 +176,7 @@ static int imx_pwm_config_v2(struct pwm_chip *chip, MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN | MX3_PWMCR_DBGEN | MX3_PWMCR_CLKSRC_IPG_HIGH; - if (test_bit(PWMF_ENABLED, &pwm->flags)) + if (enable) cr |= MX3_PWMCR_EN; writel(cr, imx->mmio_base + MX3_PWMCR); diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c new file mode 100644 index 000000000000..cf20d2beacdd --- /dev/null +++ b/drivers/pwm/pwm-lpss-pci.c @@ -0,0 +1,64 @@ +/* + * Intel Low Power Subsystem PWM controller PCI driver + * + * Copyright (C) 2014, Intel Corporation + * + * Derived from the original pwm-lpss.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include + +#include "pwm-lpss.h" + +static int pwm_lpss_probe_pci(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + const struct pwm_lpss_boardinfo *info; + struct pwm_lpss_chip *lpwm; + int err; + + err = pcim_enable_device(pdev); + if (err < 0) + return err; + + info = (struct pwm_lpss_boardinfo *)id->driver_data; + lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info); + if (IS_ERR(lpwm)) + return PTR_ERR(lpwm); + + pci_set_drvdata(pdev, lpwm); + return 0; +} + +static void pwm_lpss_remove_pci(struct pci_dev *pdev) +{ + struct pwm_lpss_chip *lpwm = pci_get_drvdata(pdev); + + pwm_lpss_remove(lpwm); +} + +static const struct pci_device_id pwm_lpss_pci_ids[] = { + { PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info}, + { PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&pwm_lpss_byt_info}, + { PCI_VDEVICE(INTEL, 0x2288), (unsigned long)&pwm_lpss_bsw_info}, + { PCI_VDEVICE(INTEL, 0x2289), (unsigned long)&pwm_lpss_bsw_info}, + { }, +}; +MODULE_DEVICE_TABLE(pci, pwm_lpss_pci_ids); + +static struct pci_driver pwm_lpss_driver_pci = { + .name = "pwm-lpss", + .id_table = pwm_lpss_pci_ids, + .probe = pwm_lpss_probe_pci, + .remove = pwm_lpss_remove_pci, +}; +module_pci_driver(pwm_lpss_driver_pci); + +MODULE_DESCRIPTION("PWM PCI driver for Intel LPSS"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c new file mode 100644 index 000000000000..18a9c880a76d --- /dev/null +++ b/drivers/pwm/pwm-lpss-platform.c @@ -0,0 +1,68 @@ +/* + * Intel Low Power Subsystem PWM controller driver + * + * Copyright (C) 2014, Intel Corporation + * + * Derived from the original pwm-lpss.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include + +#include "pwm-lpss.h" + +static int pwm_lpss_probe_platform(struct platform_device *pdev) +{ + const struct pwm_lpss_boardinfo *info; + const struct acpi_device_id *id; + struct pwm_lpss_chip *lpwm; + struct resource *r; + + id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev); + if (!id) + return -ENODEV; + + info = (const struct pwm_lpss_boardinfo *)id->driver_data; + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + lpwm = pwm_lpss_probe(&pdev->dev, r, info); + if (IS_ERR(lpwm)) + return PTR_ERR(lpwm); + + platform_set_drvdata(pdev, lpwm); + return 0; +} + +static int pwm_lpss_remove_platform(struct platform_device *pdev) +{ + struct pwm_lpss_chip *lpwm = platform_get_drvdata(pdev); + + return pwm_lpss_remove(lpwm); +} + +static const struct acpi_device_id pwm_lpss_acpi_match[] = { + { "80860F09", (unsigned long)&pwm_lpss_byt_info }, + { "80862288", (unsigned long)&pwm_lpss_bsw_info }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, pwm_lpss_acpi_match); + +static struct platform_driver pwm_lpss_driver_platform = { + .driver = { + .name = "pwm-lpss", + .acpi_match_table = pwm_lpss_acpi_match, + }, + .probe = pwm_lpss_probe_platform, + .remove = pwm_lpss_remove_platform, +}; +module_platform_driver(pwm_lpss_driver_platform); + +MODULE_DESCRIPTION("PWM platform driver for Intel LPSS"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:pwm-lpss"); diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index 4df994f72d96..e9798253a16f 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -13,15 +13,11 @@ * published by the Free Software Foundation. */ -#include -#include +#include #include #include -#include -#include -#include -static int pci_drv, plat_drv; /* So we know which drivers registered */ +#include "pwm-lpss.h" #define PWM 0x00000000 #define PWM_ENABLE BIT(31) @@ -39,14 +35,17 @@ struct pwm_lpss_chip { unsigned long clk_rate; }; -struct pwm_lpss_boardinfo { - unsigned long clk_rate; -}; - /* BayTrail */ -static const struct pwm_lpss_boardinfo byt_info = { - 25000000 +const struct pwm_lpss_boardinfo pwm_lpss_byt_info = { + .clk_rate = 25000000 }; +EXPORT_SYMBOL_GPL(pwm_lpss_byt_info); + +/* Braswell */ +const struct pwm_lpss_boardinfo pwm_lpss_bsw_info = { + .clk_rate = 19200000 +}; +EXPORT_SYMBOL_GPL(pwm_lpss_bsw_info); static inline struct pwm_lpss_chip *to_lpwm(struct pwm_chip *chip) { @@ -118,9 +117,8 @@ static const struct pwm_ops pwm_lpss_ops = { .owner = THIS_MODULE, }; -static struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, - struct resource *r, - const struct pwm_lpss_boardinfo *info) +struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, + const struct pwm_lpss_boardinfo *info) { struct pwm_lpss_chip *lpwm; int ret; @@ -147,8 +145,9 @@ static struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, return lpwm; } +EXPORT_SYMBOL_GPL(pwm_lpss_probe); -static int pwm_lpss_remove(struct pwm_lpss_chip *lpwm) +int pwm_lpss_remove(struct pwm_lpss_chip *lpwm) { u32 ctrl; @@ -157,114 +156,8 @@ static int pwm_lpss_remove(struct pwm_lpss_chip *lpwm) return pwmchip_remove(&lpwm->chip); } - -static int pwm_lpss_probe_pci(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - const struct pwm_lpss_boardinfo *info; - struct pwm_lpss_chip *lpwm; - int err; - - err = pci_enable_device(pdev); - if (err < 0) - return err; - - info = (struct pwm_lpss_boardinfo *)id->driver_data; - lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info); - if (IS_ERR(lpwm)) - return PTR_ERR(lpwm); - - pci_set_drvdata(pdev, lpwm); - return 0; -} - -static void pwm_lpss_remove_pci(struct pci_dev *pdev) -{ - struct pwm_lpss_chip *lpwm = pci_get_drvdata(pdev); - - pwm_lpss_remove(lpwm); - pci_disable_device(pdev); -} - -static struct pci_device_id pwm_lpss_pci_ids[] = { - { PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&byt_info}, - { PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&byt_info}, - { }, -}; -MODULE_DEVICE_TABLE(pci, pwm_lpss_pci_ids); - -static struct pci_driver pwm_lpss_driver_pci = { - .name = "pwm-lpss", - .id_table = pwm_lpss_pci_ids, - .probe = pwm_lpss_probe_pci, - .remove = pwm_lpss_remove_pci, -}; - -static int pwm_lpss_probe_platform(struct platform_device *pdev) -{ - const struct pwm_lpss_boardinfo *info; - const struct acpi_device_id *id; - struct pwm_lpss_chip *lpwm; - struct resource *r; - - id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev); - if (!id) - return -ENODEV; - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - - info = (struct pwm_lpss_boardinfo *)id->driver_data; - lpwm = pwm_lpss_probe(&pdev->dev, r, info); - if (IS_ERR(lpwm)) - return PTR_ERR(lpwm); - - platform_set_drvdata(pdev, lpwm); - return 0; -} - -static int pwm_lpss_remove_platform(struct platform_device *pdev) -{ - struct pwm_lpss_chip *lpwm = platform_get_drvdata(pdev); - - return pwm_lpss_remove(lpwm); -} - -static const struct acpi_device_id pwm_lpss_acpi_match[] = { - { "80860F09", (unsigned long)&byt_info }, - { }, -}; -MODULE_DEVICE_TABLE(acpi, pwm_lpss_acpi_match); - -static struct platform_driver pwm_lpss_driver_platform = { - .driver = { - .name = "pwm-lpss", - .acpi_match_table = pwm_lpss_acpi_match, - }, - .probe = pwm_lpss_probe_platform, - .remove = pwm_lpss_remove_platform, -}; - -static int __init pwm_init(void) -{ - pci_drv = pci_register_driver(&pwm_lpss_driver_pci); - plat_drv = platform_driver_register(&pwm_lpss_driver_platform); - if (pci_drv && plat_drv) - return pci_drv; - - return 0; -} -module_init(pwm_init); - -static void __exit pwm_exit(void) -{ - if (!pci_drv) - pci_unregister_driver(&pwm_lpss_driver_pci); - if (!plat_drv) - platform_driver_unregister(&pwm_lpss_driver_platform); -} -module_exit(pwm_exit); +EXPORT_SYMBOL_GPL(pwm_lpss_remove); MODULE_DESCRIPTION("PWM driver for Intel LPSS"); MODULE_AUTHOR("Mika Westerberg "); MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:pwm-lpss"); diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h new file mode 100644 index 000000000000..aa041bb1b67d --- /dev/null +++ b/drivers/pwm/pwm-lpss.h @@ -0,0 +1,32 @@ +/* + * Intel Low Power Subsystem PWM controller driver + * + * Copyright (C) 2014, Intel Corporation + * + * Derived from the original pwm-lpss.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __PWM_LPSS_H +#define __PWM_LPSS_H + +#include +#include + +struct pwm_lpss_chip; + +struct pwm_lpss_boardinfo { + unsigned long clk_rate; +}; + +extern const struct pwm_lpss_boardinfo pwm_lpss_byt_info; +extern const struct pwm_lpss_boardinfo pwm_lpss_bsw_info; + +struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, + const struct pwm_lpss_boardinfo *info); +int pwm_lpss_remove(struct pwm_lpss_chip *lpwm); + +#endif /* __PWM_LPSS_H */ diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c index bdd8644c01cf..9442df244101 100644 --- a/drivers/pwm/pwm-rockchip.c +++ b/drivers/pwm/pwm-rockchip.c @@ -24,7 +24,9 @@ #define PWM_ENABLE (1 << 0) #define PWM_CONTINUOUS (1 << 1) #define PWM_DUTY_POSITIVE (1 << 3) +#define PWM_DUTY_NEGATIVE (0 << 3) #define PWM_INACTIVE_NEGATIVE (0 << 4) +#define PWM_INACTIVE_POSITIVE (1 << 4) #define PWM_OUTPUT_LEFT (0 << 5) #define PWM_LP_DISABLE (0 << 8) @@ -45,8 +47,10 @@ struct rockchip_pwm_regs { struct rockchip_pwm_data { struct rockchip_pwm_regs regs; unsigned int prescaler; + const struct pwm_ops *ops; - void (*set_enable)(struct pwm_chip *chip, bool enable); + void (*set_enable)(struct pwm_chip *chip, + struct pwm_device *pwm, bool enable); }; static inline struct rockchip_pwm_chip *to_rockchip_pwm_chip(struct pwm_chip *c) @@ -54,7 +58,8 @@ static inline struct rockchip_pwm_chip *to_rockchip_pwm_chip(struct pwm_chip *c) return container_of(c, struct rockchip_pwm_chip, chip); } -static void rockchip_pwm_set_enable_v1(struct pwm_chip *chip, bool enable) +static void rockchip_pwm_set_enable_v1(struct pwm_chip *chip, + struct pwm_device *pwm, bool enable) { struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); u32 enable_conf = PWM_CTRL_OUTPUT_EN | PWM_CTRL_TIMER_EN; @@ -70,14 +75,19 @@ static void rockchip_pwm_set_enable_v1(struct pwm_chip *chip, bool enable) writel_relaxed(val, pc->base + pc->data->regs.ctrl); } -static void rockchip_pwm_set_enable_v2(struct pwm_chip *chip, bool enable) +static void rockchip_pwm_set_enable_v2(struct pwm_chip *chip, + struct pwm_device *pwm, bool enable) { struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); u32 enable_conf = PWM_OUTPUT_LEFT | PWM_LP_DISABLE | PWM_ENABLE | - PWM_CONTINUOUS | PWM_DUTY_POSITIVE | - PWM_INACTIVE_NEGATIVE; + PWM_CONTINUOUS; u32 val; + if (pwm->polarity == PWM_POLARITY_INVERSED) + enable_conf |= PWM_DUTY_NEGATIVE | PWM_INACTIVE_POSITIVE; + else + enable_conf |= PWM_DUTY_POSITIVE | PWM_INACTIVE_NEGATIVE; + val = readl_relaxed(pc->base + pc->data->regs.ctrl); if (enable) @@ -124,6 +134,19 @@ static int rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, return 0; } +static int rockchip_pwm_set_polarity(struct pwm_chip *chip, + struct pwm_device *pwm, + enum pwm_polarity polarity) +{ + /* + * No action needed here because pwm->polarity will be set by the core + * and the core will only change polarity when the PWM is not enabled. + * We'll handle things in set_enable(). + */ + + return 0; +} + static int rockchip_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) { struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); @@ -133,7 +156,7 @@ static int rockchip_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) if (ret) return ret; - pc->data->set_enable(chip, true); + pc->data->set_enable(chip, pwm, true); return 0; } @@ -142,18 +165,26 @@ static void rockchip_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) { struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); - pc->data->set_enable(chip, false); + pc->data->set_enable(chip, pwm, false); clk_disable(pc->clk); } -static const struct pwm_ops rockchip_pwm_ops = { +static const struct pwm_ops rockchip_pwm_ops_v1 = { .config = rockchip_pwm_config, .enable = rockchip_pwm_enable, .disable = rockchip_pwm_disable, .owner = THIS_MODULE, }; +static const struct pwm_ops rockchip_pwm_ops_v2 = { + .config = rockchip_pwm_config, + .set_polarity = rockchip_pwm_set_polarity, + .enable = rockchip_pwm_enable, + .disable = rockchip_pwm_disable, + .owner = THIS_MODULE, +}; + static const struct rockchip_pwm_data pwm_data_v1 = { .regs = { .duty = 0x04, @@ -162,6 +193,7 @@ static const struct rockchip_pwm_data pwm_data_v1 = { .ctrl = 0x0c, }, .prescaler = 2, + .ops = &rockchip_pwm_ops_v1, .set_enable = rockchip_pwm_set_enable_v1, }; @@ -173,6 +205,7 @@ static const struct rockchip_pwm_data pwm_data_v2 = { .ctrl = 0x0c, }, .prescaler = 1, + .ops = &rockchip_pwm_ops_v2, .set_enable = rockchip_pwm_set_enable_v2, }; @@ -184,6 +217,7 @@ static const struct rockchip_pwm_data pwm_data_vop = { .ctrl = 0x00, }, .prescaler = 1, + .ops = &rockchip_pwm_ops_v2, .set_enable = rockchip_pwm_set_enable_v2, }; @@ -227,10 +261,15 @@ static int rockchip_pwm_probe(struct platform_device *pdev) pc->data = id->data; pc->chip.dev = &pdev->dev; - pc->chip.ops = &rockchip_pwm_ops; + pc->chip.ops = pc->data->ops; pc->chip.base = -1; pc->chip.npwm = 1; + if (pc->data->ops->set_polarity) { + pc->chip.of_xlate = of_pwm_xlate_with_flags; + pc->chip.of_pwm_n_cells = 3; + } + ret = pwmchip_add(&pc->chip); if (ret < 0) { clk_unprepare(pc->clk); diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c index 86db310d5304..d2a8c64cae42 100644 --- a/drivers/regulator/max1586.c +++ b/drivers/regulator/max1586.c @@ -163,7 +163,7 @@ static int of_get_max1586_platform_data(struct device *dev, struct max1586_platform_data *pdata) { struct max1586_subdev_data *sub; - struct of_regulator_match rmatch[ARRAY_SIZE(max1586_reg)]; + struct of_regulator_match rmatch[ARRAY_SIZE(max1586_reg)] = { }; struct device_node *np = dev->of_node; int i, matched; diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c index ef1af2debbd2..f69320e1738f 100644 --- a/drivers/regulator/max77686.c +++ b/drivers/regulator/max77686.c @@ -395,7 +395,7 @@ static int max77686_pmic_dt_parse_pdata(struct platform_device *pdev, struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct device_node *pmic_np, *regulators_np; struct max77686_regulator_data *rdata; - struct of_regulator_match rmatch; + struct of_regulator_match rmatch = { }; unsigned int i; pmic_np = iodev->dev->of_node; diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c index c67ff05fc1dd..d158f71fa128 100644 --- a/drivers/regulator/max77693.c +++ b/drivers/regulator/max77693.c @@ -227,7 +227,7 @@ static int max77693_pmic_probe(struct platform_device *pdev) struct max77693_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct max77693_regulator_data *rdata = NULL; int num_rdata, i; - struct regulator_config config; + struct regulator_config config = { }; num_rdata = max77693_pmic_init_rdata(&pdev->dev, &rdata); if (!rdata || num_rdata <= 0) { diff --git a/drivers/regulator/max77802.c b/drivers/regulator/max77802.c index d89792b084e9..45fa240fe243 100644 --- a/drivers/regulator/max77802.c +++ b/drivers/regulator/max77802.c @@ -454,7 +454,7 @@ static int max77802_pmic_dt_parse_pdata(struct platform_device *pdev, struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct device_node *pmic_np, *regulators_np; struct max77686_regulator_data *rdata; - struct of_regulator_match rmatch; + struct of_regulator_match rmatch = { }; unsigned int i; pmic_np = iodev->dev->of_node; diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c index 2fc411188794..7eee2ca18541 100644 --- a/drivers/regulator/max8660.c +++ b/drivers/regulator/max8660.c @@ -335,7 +335,7 @@ static int max8660_pdata_from_dt(struct device *dev, int matched, i; struct device_node *np; struct max8660_subdev_data *sub; - struct of_regulator_match rmatch[ARRAY_SIZE(max8660_reg)]; + struct of_regulator_match rmatch[ARRAY_SIZE(max8660_reg)] = { }; np = of_get_child_by_name(dev->of_node, "regulators"); if (!np) { diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 7a51814abdc5..5a1d4afa4776 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -211,7 +211,8 @@ struct regulator_init_data *regulator_of_get_init_data(struct device *dev, search = dev->of_node; if (!search) { - dev_err(dev, "Failed to find regulator container node\n"); + dev_dbg(dev, "Failed to find regulator container node '%s'\n", + desc->regulators_node); return NULL; } diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c index e305416d7697..196a5c8838c4 100644 --- a/drivers/regulator/rk808-regulator.c +++ b/drivers/regulator/rk808-regulator.c @@ -44,7 +44,7 @@ static const int rk808_buck_config_regs[] = { }; static const struct regulator_linear_range rk808_buck_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(700000, 0, 63, 12500), + REGULATOR_LINEAR_RANGE(712500, 0, 63, 12500), }; static const struct regulator_linear_range rk808_buck4_voltage_ranges[] = { diff --git a/drivers/regulator/s2mpa01.c b/drivers/regulator/s2mpa01.c index 4acefa6b462e..7633b9bfbe6e 100644 --- a/drivers/regulator/s2mpa01.c +++ b/drivers/regulator/s2mpa01.c @@ -341,7 +341,7 @@ static int s2mpa01_pmic_probe(struct platform_device *pdev) { struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct sec_platform_data *pdata = dev_get_platdata(iodev->dev); - struct of_regulator_match rdata[S2MPA01_REGULATOR_MAX]; + struct of_regulator_match rdata[S2MPA01_REGULATOR_MAX] = { }; struct device_node *reg_np = NULL; struct regulator_config config = { }; struct s2mpa01_info *s2mpa01; diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 8cd0beebdc3f..6dd12ddbabc6 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -830,7 +830,7 @@ config RTC_DRV_DA9063 config RTC_DRV_EFI tristate "EFI RTC" - depends on EFI + depends on EFI && !X86 help If you say yes here you will get support for the EFI Real Time Clock. @@ -1320,7 +1320,7 @@ config RTC_DRV_LPC32XX config RTC_DRV_PM8XXX tristate "Qualcomm PMIC8XXX RTC" - depends on MFD_PM8XXX + depends on MFD_PM8XXX || MFD_SPMI_PMIC help If you say yes here you get support for the Qualcomm PMIC8XXX RTC. diff --git a/drivers/rtc/rtc-bq32k.c b/drivers/rtc/rtc-bq32k.c index 314129e66d6e..92679df6d6e2 100644 --- a/drivers/rtc/rtc-bq32k.c +++ b/drivers/rtc/rtc-bq32k.c @@ -160,7 +160,7 @@ static int trickle_charger_of_init(struct device *dev, struct device_node *node) dev_err(dev, "bq32k: diode and resistor mismatch\n"); return -EINVAL; } - reg = 0x25; + reg = 0x45; break; default: diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c index c384fec6d173..53b589dc34eb 100644 --- a/drivers/rtc/rtc-efi.c +++ b/drivers/rtc/rtc-efi.c @@ -236,3 +236,4 @@ MODULE_ALIAS("platform:rtc-efi"); MODULE_AUTHOR("dann frazier "); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("EFI RTC driver"); +MODULE_ALIAS("platform:rtc-efi"); diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c index 197699f358c7..5adcf111fc14 100644 --- a/drivers/rtc/rtc-pm8xxx.c +++ b/drivers/rtc/rtc-pm8xxx.c @@ -27,21 +27,36 @@ /* RTC_CTRL register bit fields */ #define PM8xxx_RTC_ENABLE BIT(7) -#define PM8xxx_RTC_ALARM_ENABLE BIT(1) #define PM8xxx_RTC_ALARM_CLEAR BIT(0) #define NUM_8_BIT_RTC_REGS 0x4 +/** + * struct pm8xxx_rtc_regs - describe RTC registers per PMIC versions + * @ctrl: base address of control register + * @write: base address of write register + * @read: base address of read register + * @alarm_ctrl: base address of alarm control register + * @alarm_ctrl2: base address of alarm control2 register + * @alarm_rw: base address of alarm read-write register + * @alarm_en: alarm enable mask + */ +struct pm8xxx_rtc_regs { + unsigned int ctrl; + unsigned int write; + unsigned int read; + unsigned int alarm_ctrl; + unsigned int alarm_ctrl2; + unsigned int alarm_rw; + unsigned int alarm_en; +}; + /** * struct pm8xxx_rtc - rtc driver internal structure * @rtc: rtc device for this driver. * @regmap: regmap used to access RTC registers * @allow_set_time: indicates whether writing to the RTC is allowed * @rtc_alarm_irq: rtc alarm irq number. - * @rtc_base: address of rtc control register. - * @rtc_read_base: base address of read registers. - * @rtc_write_base: base address of write registers. - * @alarm_rw_base: base address of alarm registers. * @ctrl_reg: rtc control register. * @rtc_dev: device structure. * @ctrl_reg_lock: spinlock protecting access to ctrl_reg. @@ -51,11 +66,7 @@ struct pm8xxx_rtc { struct regmap *regmap; bool allow_set_time; int rtc_alarm_irq; - int rtc_base; - int rtc_read_base; - int rtc_write_base; - int alarm_rw_base; - u8 ctrl_reg; + const struct pm8xxx_rtc_regs *regs; struct device *rtc_dev; spinlock_t ctrl_reg_lock; }; @@ -71,8 +82,10 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm) { int rc, i; unsigned long secs, irq_flags; - u8 value[NUM_8_BIT_RTC_REGS], alarm_enabled = 0, ctrl_reg; + u8 value[NUM_8_BIT_RTC_REGS], alarm_enabled = 0; + unsigned int ctrl_reg; struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); + const struct pm8xxx_rtc_regs *regs = rtc_dd->regs; if (!rtc_dd->allow_set_time) return -EACCES; @@ -87,30 +100,30 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm) dev_dbg(dev, "Seconds value to be written to RTC = %lu\n", secs); spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags); - ctrl_reg = rtc_dd->ctrl_reg; - if (ctrl_reg & PM8xxx_RTC_ALARM_ENABLE) { + rc = regmap_read(rtc_dd->regmap, regs->ctrl, &ctrl_reg); + if (rc) + goto rtc_rw_fail; + + if (ctrl_reg & regs->alarm_en) { alarm_enabled = 1; - ctrl_reg &= ~PM8xxx_RTC_ALARM_ENABLE; - rc = regmap_write(rtc_dd->regmap, rtc_dd->rtc_base, ctrl_reg); + ctrl_reg &= ~regs->alarm_en; + rc = regmap_write(rtc_dd->regmap, regs->ctrl, ctrl_reg); if (rc) { dev_err(dev, "Write to RTC control register failed\n"); goto rtc_rw_fail; } - rtc_dd->ctrl_reg = ctrl_reg; - } else { - spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); } /* Write 0 to Byte[0] */ - rc = regmap_write(rtc_dd->regmap, rtc_dd->rtc_write_base, 0); + rc = regmap_write(rtc_dd->regmap, regs->write, 0); if (rc) { dev_err(dev, "Write to RTC write data register failed\n"); goto rtc_rw_fail; } /* Write Byte[1], Byte[2], Byte[3] */ - rc = regmap_bulk_write(rtc_dd->regmap, rtc_dd->rtc_write_base + 1, + rc = regmap_bulk_write(rtc_dd->regmap, regs->write + 1, &value[1], sizeof(value) - 1); if (rc) { dev_err(dev, "Write to RTC write data register failed\n"); @@ -118,25 +131,23 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm) } /* Write Byte[0] */ - rc = regmap_write(rtc_dd->regmap, rtc_dd->rtc_write_base, value[0]); + rc = regmap_write(rtc_dd->regmap, regs->write, value[0]); if (rc) { dev_err(dev, "Write to RTC write data register failed\n"); goto rtc_rw_fail; } if (alarm_enabled) { - ctrl_reg |= PM8xxx_RTC_ALARM_ENABLE; - rc = regmap_write(rtc_dd->regmap, rtc_dd->rtc_base, ctrl_reg); + ctrl_reg |= regs->alarm_en; + rc = regmap_write(rtc_dd->regmap, regs->ctrl, ctrl_reg); if (rc) { dev_err(dev, "Write to RTC control register failed\n"); goto rtc_rw_fail; } - rtc_dd->ctrl_reg = ctrl_reg; } rtc_rw_fail: - if (alarm_enabled) - spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); + spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); return rc; } @@ -148,9 +159,9 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm) unsigned long secs; unsigned int reg; struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); + const struct pm8xxx_rtc_regs *regs = rtc_dd->regs; - rc = regmap_bulk_read(rtc_dd->regmap, rtc_dd->rtc_read_base, - value, sizeof(value)); + rc = regmap_bulk_read(rtc_dd->regmap, regs->read, value, sizeof(value)); if (rc) { dev_err(dev, "RTC read data register failed\n"); return rc; @@ -160,14 +171,14 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm) * Read the LSB again and check if there has been a carry over. * If there is, redo the read operation. */ - rc = regmap_read(rtc_dd->regmap, rtc_dd->rtc_read_base, ®); + rc = regmap_read(rtc_dd->regmap, regs->read, ®); if (rc < 0) { dev_err(dev, "RTC read data register failed\n"); return rc; } if (unlikely(reg < value[0])) { - rc = regmap_bulk_read(rtc_dd->regmap, rtc_dd->rtc_read_base, + rc = regmap_bulk_read(rtc_dd->regmap, regs->read, value, sizeof(value)); if (rc) { dev_err(dev, "RTC read data register failed\n"); @@ -195,9 +206,11 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm) static int pm8xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) { int rc, i; - u8 value[NUM_8_BIT_RTC_REGS], ctrl_reg; + u8 value[NUM_8_BIT_RTC_REGS]; + unsigned int ctrl_reg; unsigned long secs, irq_flags; struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); + const struct pm8xxx_rtc_regs *regs = rtc_dd->regs; rtc_tm_to_time(&alarm->time, &secs); @@ -208,28 +221,28 @@ static int pm8xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags); - rc = regmap_bulk_write(rtc_dd->regmap, rtc_dd->alarm_rw_base, value, + rc = regmap_bulk_write(rtc_dd->regmap, regs->alarm_rw, value, sizeof(value)); if (rc) { dev_err(dev, "Write to RTC ALARM register failed\n"); goto rtc_rw_fail; } - ctrl_reg = rtc_dd->ctrl_reg; + rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl, &ctrl_reg); + if (rc) + goto rtc_rw_fail; if (alarm->enabled) - ctrl_reg |= PM8xxx_RTC_ALARM_ENABLE; + ctrl_reg |= regs->alarm_en; else - ctrl_reg &= ~PM8xxx_RTC_ALARM_ENABLE; + ctrl_reg &= ~regs->alarm_en; - rc = regmap_write(rtc_dd->regmap, rtc_dd->rtc_base, ctrl_reg); + rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg); if (rc) { - dev_err(dev, "Write to RTC control register failed\n"); + dev_err(dev, "Write to RTC alarm control register failed\n"); goto rtc_rw_fail; } - rtc_dd->ctrl_reg = ctrl_reg; - dev_dbg(dev, "Alarm Set for h:r:s=%d:%d:%d, d/m/y=%d/%d/%d\n", alarm->time.tm_hour, alarm->time.tm_min, alarm->time.tm_sec, alarm->time.tm_mday, @@ -245,8 +258,9 @@ static int pm8xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) u8 value[NUM_8_BIT_RTC_REGS]; unsigned long secs; struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); + const struct pm8xxx_rtc_regs *regs = rtc_dd->regs; - rc = regmap_bulk_read(rtc_dd->regmap, rtc_dd->alarm_rw_base, value, + rc = regmap_bulk_read(rtc_dd->regmap, regs->alarm_rw, value, sizeof(value)); if (rc) { dev_err(dev, "RTC alarm time read failed\n"); @@ -276,25 +290,26 @@ static int pm8xxx_rtc_alarm_irq_enable(struct device *dev, unsigned int enable) int rc; unsigned long irq_flags; struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); - u8 ctrl_reg; + const struct pm8xxx_rtc_regs *regs = rtc_dd->regs; + unsigned int ctrl_reg; spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags); - ctrl_reg = rtc_dd->ctrl_reg; + rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl, &ctrl_reg); + if (rc) + goto rtc_rw_fail; if (enable) - ctrl_reg |= PM8xxx_RTC_ALARM_ENABLE; + ctrl_reg |= regs->alarm_en; else - ctrl_reg &= ~PM8xxx_RTC_ALARM_ENABLE; + ctrl_reg &= ~regs->alarm_en; - rc = regmap_write(rtc_dd->regmap, rtc_dd->rtc_base, ctrl_reg); + rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg); if (rc) { dev_err(dev, "Write to RTC control register failed\n"); goto rtc_rw_fail; } - rtc_dd->ctrl_reg = ctrl_reg; - rtc_rw_fail: spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); return rc; @@ -311,6 +326,7 @@ static const struct rtc_class_ops pm8xxx_rtc_ops = { static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id) { struct pm8xxx_rtc *rtc_dd = dev_id; + const struct pm8xxx_rtc_regs *regs = rtc_dd->regs; unsigned int ctrl_reg; int rc; unsigned long irq_flags; @@ -320,48 +336,100 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id) spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags); /* Clear the alarm enable bit */ - ctrl_reg = rtc_dd->ctrl_reg; - ctrl_reg &= ~PM8xxx_RTC_ALARM_ENABLE; + rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl, &ctrl_reg); + if (rc) { + spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); + goto rtc_alarm_handled; + } - rc = regmap_write(rtc_dd->regmap, rtc_dd->rtc_base, ctrl_reg); + ctrl_reg &= ~regs->alarm_en; + + rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg); if (rc) { spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); dev_err(rtc_dd->rtc_dev, - "Write to RTC control register failed\n"); + "Write to alarm control register failed\n"); goto rtc_alarm_handled; } - rtc_dd->ctrl_reg = ctrl_reg; spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); /* Clear RTC alarm register */ - rc = regmap_read(rtc_dd->regmap, - rtc_dd->rtc_base + PM8XXX_ALARM_CTRL_OFFSET, - &ctrl_reg); + rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl2, &ctrl_reg); if (rc) { dev_err(rtc_dd->rtc_dev, - "RTC Alarm control register read failed\n"); + "RTC Alarm control2 register read failed\n"); goto rtc_alarm_handled; } - ctrl_reg &= ~PM8xxx_RTC_ALARM_CLEAR; - rc = regmap_write(rtc_dd->regmap, - rtc_dd->rtc_base + PM8XXX_ALARM_CTRL_OFFSET, - ctrl_reg); + ctrl_reg |= PM8xxx_RTC_ALARM_CLEAR; + rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl2, ctrl_reg); if (rc) dev_err(rtc_dd->rtc_dev, - "Write to RTC Alarm control register failed\n"); + "Write to RTC Alarm control2 register failed\n"); rtc_alarm_handled: return IRQ_HANDLED; } +static int pm8xxx_rtc_enable(struct pm8xxx_rtc *rtc_dd) +{ + const struct pm8xxx_rtc_regs *regs = rtc_dd->regs; + unsigned int ctrl_reg; + int rc; + + /* Check if the RTC is on, else turn it on */ + rc = regmap_read(rtc_dd->regmap, regs->ctrl, &ctrl_reg); + if (rc) + return rc; + + if (!(ctrl_reg & PM8xxx_RTC_ENABLE)) { + ctrl_reg |= PM8xxx_RTC_ENABLE; + rc = regmap_write(rtc_dd->regmap, regs->ctrl, ctrl_reg); + if (rc) + return rc; + } + + return 0; +} + +static const struct pm8xxx_rtc_regs pm8921_regs = { + .ctrl = 0x11d, + .write = 0x11f, + .read = 0x123, + .alarm_rw = 0x127, + .alarm_ctrl = 0x11d, + .alarm_ctrl2 = 0x11e, + .alarm_en = BIT(1), +}; + +static const struct pm8xxx_rtc_regs pm8058_regs = { + .ctrl = 0x1e8, + .write = 0x1ea, + .read = 0x1ee, + .alarm_rw = 0x1f2, + .alarm_ctrl = 0x1e8, + .alarm_ctrl2 = 0x1e9, + .alarm_en = BIT(1), +}; + +static const struct pm8xxx_rtc_regs pm8941_regs = { + .ctrl = 0x6046, + .write = 0x6040, + .read = 0x6048, + .alarm_rw = 0x6140, + .alarm_ctrl = 0x6146, + .alarm_ctrl2 = 0x6148, + .alarm_en = BIT(7), +}; + /* * Hardcoded RTC bases until IORESOURCE_REG mapping is figured out */ static const struct of_device_id pm8xxx_id_table[] = { - { .compatible = "qcom,pm8921-rtc", .data = (void *) 0x11D }, - { .compatible = "qcom,pm8058-rtc", .data = (void *) 0x1E8 }, + { .compatible = "qcom,pm8921-rtc", .data = &pm8921_regs }, + { .compatible = "qcom,pm8058-rtc", .data = &pm8058_regs }, + { .compatible = "qcom,pm8941-rtc", .data = &pm8941_regs }, { }, }; MODULE_DEVICE_TABLE(of, pm8xxx_id_table); @@ -369,7 +437,6 @@ MODULE_DEVICE_TABLE(of, pm8xxx_id_table); static int pm8xxx_rtc_probe(struct platform_device *pdev) { int rc; - unsigned int ctrl_reg; struct pm8xxx_rtc *rtc_dd; const struct of_device_id *match; @@ -399,33 +466,12 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev) rtc_dd->allow_set_time = of_property_read_bool(pdev->dev.of_node, "allow-set-time"); - rtc_dd->rtc_base = (long) match->data; - - /* Setup RTC register addresses */ - rtc_dd->rtc_write_base = rtc_dd->rtc_base + PM8XXX_RTC_WRITE_OFFSET; - rtc_dd->rtc_read_base = rtc_dd->rtc_base + PM8XXX_RTC_READ_OFFSET; - rtc_dd->alarm_rw_base = rtc_dd->rtc_base + PM8XXX_ALARM_RW_OFFSET; - + rtc_dd->regs = match->data; rtc_dd->rtc_dev = &pdev->dev; - /* Check if the RTC is on, else turn it on */ - rc = regmap_read(rtc_dd->regmap, rtc_dd->rtc_base, &ctrl_reg); - if (rc) { - dev_err(&pdev->dev, "RTC control register read failed!\n"); + rc = pm8xxx_rtc_enable(rtc_dd); + if (rc) return rc; - } - - if (!(ctrl_reg & PM8xxx_RTC_ENABLE)) { - ctrl_reg |= PM8xxx_RTC_ENABLE; - rc = regmap_write(rtc_dd->regmap, rtc_dd->rtc_base, ctrl_reg); - if (rc) { - dev_err(&pdev->dev, - "Write to RTC control register failed\n"); - return rc; - } - } - - rtc_dd->ctrl_reg = ctrl_reg; platform_set_drvdata(pdev, rtc_dd); diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index a6b1252c9941..806072238c00 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -535,13 +535,15 @@ static int s3c_rtc_probe(struct platform_device *pdev) } clk_prepare_enable(info->rtc_clk); - info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src"); - if (IS_ERR(info->rtc_src_clk)) { - dev_err(&pdev->dev, "failed to find rtc source clock\n"); - return PTR_ERR(info->rtc_src_clk); + if (info->data->needs_src_clk) { + info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src"); + if (IS_ERR(info->rtc_src_clk)) { + dev_err(&pdev->dev, + "failed to find rtc source clock\n"); + return PTR_ERR(info->rtc_src_clk); + } + clk_prepare_enable(info->rtc_src_clk); } - clk_prepare_enable(info->rtc_src_clk); - /* check to see if everything is setup correctly */ if (info->data->enable) diff --git a/drivers/s390/char/Kconfig b/drivers/s390/char/Kconfig index dc24ecfac2d1..db2cb1f8a1b5 100644 --- a/drivers/s390/char/Kconfig +++ b/drivers/s390/char/Kconfig @@ -105,7 +105,7 @@ config SCLP_ASYNC config HMC_DRV def_tristate m prompt "Support for file transfers from HMC drive CD/DVD-ROM" - depends on 64BIT + depends on S390 && 64BIT select CRC16 help This option enables support for file transfers from a Hardware diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c index 6cbe6ef3c889..bda52f18e967 100644 --- a/drivers/s390/kvm/virtio_ccw.c +++ b/drivers/s390/kvm/virtio_ccw.c @@ -888,7 +888,6 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev, struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); int i; struct virtqueue *vq; - struct virtio_driver *drv; if (!vcdev) return; diff --git a/drivers/scsi/bnx2fc/bnx2fc_els.c b/drivers/scsi/bnx2fc/bnx2fc_els.c index ca75c7ca2559..ef355c13ccc4 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_els.c +++ b/drivers/scsi/bnx2fc/bnx2fc_els.c @@ -480,9 +480,7 @@ void bnx2fc_rec_compl(struct bnx2fc_els_cb_arg *cb_arg) bnx2fc_initiate_cleanup(orig_io_req); /* Post a new IO req with the same sc_cmd */ BNX2FC_IO_DBG(rec_req, "Post IO request again\n"); - spin_unlock_bh(&tgt->tgt_lock); rc = bnx2fc_post_io_req(tgt, new_io_req); - spin_lock_bh(&tgt->tgt_lock); if (!rc) goto free_frame; BNX2FC_IO_DBG(rec_req, "REC: io post err\n"); diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 0679782d9d15..5b99844ef6bf 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1894,18 +1894,24 @@ int bnx2fc_queuecommand(struct Scsi_Host *host, goto exit_qcmd; } } + + spin_lock_bh(&tgt->tgt_lock); + io_req = bnx2fc_cmd_alloc(tgt); if (!io_req) { rc = SCSI_MLQUEUE_HOST_BUSY; - goto exit_qcmd; + goto exit_qcmd_tgtlock; } io_req->sc_cmd = sc_cmd; if (bnx2fc_post_io_req(tgt, io_req)) { printk(KERN_ERR PFX "Unable to post io_req\n"); rc = SCSI_MLQUEUE_HOST_BUSY; - goto exit_qcmd; + goto exit_qcmd_tgtlock; } + +exit_qcmd_tgtlock: + spin_unlock_bh(&tgt->tgt_lock); exit_qcmd: return rc; } @@ -2020,6 +2026,8 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, int task_idx, index; u16 xid; + /* bnx2fc_post_io_req() is called with the tgt_lock held */ + /* Initialize rest of io_req fields */ io_req->cmd_type = BNX2FC_SCSI_CMD; io_req->port = port; @@ -2047,9 +2055,7 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, /* Build buffer descriptor list for firmware from sg list */ if (bnx2fc_build_bd_list_from_sg(io_req)) { printk(KERN_ERR PFX "BD list creation failed\n"); - spin_lock_bh(&tgt->tgt_lock); kref_put(&io_req->refcount, bnx2fc_cmd_release); - spin_unlock_bh(&tgt->tgt_lock); return -EAGAIN; } @@ -2061,19 +2067,15 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, task = &(task_page[index]); bnx2fc_init_task(io_req, task); - spin_lock_bh(&tgt->tgt_lock); - if (tgt->flush_in_prog) { printk(KERN_ERR PFX "Flush in progress..Host Busy\n"); kref_put(&io_req->refcount, bnx2fc_cmd_release); - spin_unlock_bh(&tgt->tgt_lock); return -EAGAIN; } if (!test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags)) { printk(KERN_ERR PFX "Session not ready...post_io\n"); kref_put(&io_req->refcount, bnx2fc_cmd_release); - spin_unlock_bh(&tgt->tgt_lock); return -EAGAIN; } @@ -2091,6 +2093,5 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, /* Ring doorbell */ bnx2fc_ring_doorbell(tgt); - spin_unlock_bh(&tgt->tgt_lock); return 0; } diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 3e0a0d315f72..81bb3bd7909d 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -936,20 +936,23 @@ static void do_abort_req_rss(struct cxgbi_device *cdev, struct sk_buff *skb) cxgbi_sock_get(csk); spin_lock_bh(&csk->lock); - if (!cxgbi_sock_flag(csk, CTPF_ABORT_REQ_RCVD)) { - cxgbi_sock_set_flag(csk, CTPF_ABORT_REQ_RCVD); - cxgbi_sock_set_state(csk, CTP_ABORTING); - goto done; + cxgbi_sock_clear_flag(csk, CTPF_ABORT_REQ_RCVD); + + if (!cxgbi_sock_flag(csk, CTPF_TX_DATA_SENT)) { + send_tx_flowc_wr(csk); + cxgbi_sock_set_flag(csk, CTPF_TX_DATA_SENT); } - cxgbi_sock_clear_flag(csk, CTPF_ABORT_REQ_RCVD); + cxgbi_sock_set_flag(csk, CTPF_ABORT_REQ_RCVD); + cxgbi_sock_set_state(csk, CTP_ABORTING); + send_abort_rpl(csk, rst_status); if (!cxgbi_sock_flag(csk, CTPF_ABORT_RPL_PENDING)) { csk->err = abort_status_to_errno(csk, req->status, &rst_status); cxgbi_sock_closed(csk); } -done: + spin_unlock_bh(&csk->lock); cxgbi_sock_put(csk); rel_skb: diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 54fa6e0bc1bb..13d869a92248 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -399,6 +399,35 @@ EXPORT_SYMBOL_GPL(cxgbi_hbas_add); * If the source port is outside our allocation range, the caller is * responsible for keeping track of their port usage. */ + +static struct cxgbi_sock *find_sock_on_port(struct cxgbi_device *cdev, + unsigned char port_id) +{ + struct cxgbi_ports_map *pmap = &cdev->pmap; + unsigned int i; + unsigned int used; + + if (!pmap->max_connect || !pmap->used) + return NULL; + + spin_lock_bh(&pmap->lock); + used = pmap->used; + for (i = 0; used && i < pmap->max_connect; i++) { + struct cxgbi_sock *csk = pmap->port_csk[i]; + + if (csk) { + if (csk->port_id == port_id) { + spin_unlock_bh(&pmap->lock); + return csk; + } + used--; + } + } + spin_unlock_bh(&pmap->lock); + + return NULL; +} + static int sock_get_port(struct cxgbi_sock *csk) { struct cxgbi_device *cdev = csk->cdev; @@ -749,6 +778,7 @@ static struct cxgbi_sock *cxgbi_check_route6(struct sockaddr *dst_addr) csk->daddr6.sin6_addr = daddr6->sin6_addr; csk->daddr6.sin6_port = daddr6->sin6_port; csk->daddr6.sin6_family = daddr6->sin6_family; + csk->saddr6.sin6_family = daddr6->sin6_family; csk->saddr6.sin6_addr = pref_saddr; neigh_release(n); @@ -875,18 +905,16 @@ void cxgbi_sock_rcv_abort_rpl(struct cxgbi_sock *csk) { cxgbi_sock_get(csk); spin_lock_bh(&csk->lock); + + cxgbi_sock_set_flag(csk, CTPF_ABORT_RPL_RCVD); if (cxgbi_sock_flag(csk, CTPF_ABORT_RPL_PENDING)) { - if (!cxgbi_sock_flag(csk, CTPF_ABORT_RPL_RCVD)) - cxgbi_sock_set_flag(csk, CTPF_ABORT_RPL_RCVD); - else { - cxgbi_sock_clear_flag(csk, CTPF_ABORT_RPL_RCVD); - cxgbi_sock_clear_flag(csk, CTPF_ABORT_RPL_PENDING); - if (cxgbi_sock_flag(csk, CTPF_ABORT_REQ_RCVD)) - pr_err("csk 0x%p,%u,0x%lx,%u,ABT_RPL_RSS.\n", - csk, csk->state, csk->flags, csk->tid); - cxgbi_sock_closed(csk); - } + cxgbi_sock_clear_flag(csk, CTPF_ABORT_RPL_PENDING); + if (cxgbi_sock_flag(csk, CTPF_ABORT_REQ_RCVD)) + pr_err("csk 0x%p,%u,0x%lx,%u,ABT_RPL_RSS.\n", + csk, csk->state, csk->flags, csk->tid); + cxgbi_sock_closed(csk); } + spin_unlock_bh(&csk->lock); cxgbi_sock_put(csk); } @@ -2647,12 +2675,14 @@ int cxgbi_get_host_param(struct Scsi_Host *shost, enum iscsi_host_param param, break; case ISCSI_HOST_PARAM_IPADDRESS: { - __be32 addr; - - addr = cxgbi_get_iscsi_ipv4(chba); - len = sprintf(buf, "%pI4", &addr); + struct cxgbi_sock *csk = find_sock_on_port(chba->cdev, + chba->port_id); + if (csk) { + len = sprintf(buf, "%pIS", + (struct sockaddr *)&csk->saddr); + } log_debug(1 << CXGBI_DBG_ISCSI, - "hba %s, ipv4 %pI4.\n", chba->ndev->name, &addr); + "hba %s, addr %s.\n", chba->ndev->name, buf); break; } default: diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 1d98fad6a0ab..2c7cb1c0c453 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -700,11 +700,6 @@ static inline void cxgbi_set_iscsi_ipv4(struct cxgbi_hba *chba, __be32 ipaddr) chba->ndev->name); } -static inline __be32 cxgbi_get_iscsi_ipv4(struct cxgbi_hba *chba) -{ - return chba->ipv4addr; -} - struct cxgbi_device *cxgbi_device_register(unsigned int, unsigned int); void cxgbi_device_unregister(struct cxgbi_device *); void cxgbi_device_unregister_all(unsigned int flag); diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index e99507ed0e3c..fd78bdc53528 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -474,6 +474,13 @@ static int alua_check_sense(struct scsi_device *sdev, * LUN Not Ready -- Offline */ return SUCCESS; + if (sdev->allow_restart && + sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x02) + /* + * if the device is not started, we need to wake + * the error handler to start the motor + */ + return FAILED; break; case UNIT_ATTENTION: if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00) diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index f6a69a3b1b3f..5640ad1c8214 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -4453,7 +4453,7 @@ static int megasas_init_fw(struct megasas_instance *instance) instance->msixentry[i].entry = i; i = pci_enable_msix_range(instance->pdev, instance->msixentry, 1, instance->msix_vectors); - if (i) + if (i > 0) instance->msix_vectors = i; else instance->msix_vectors = 0; diff --git a/drivers/scsi/osd/Kbuild b/drivers/scsi/osd/Kbuild index 5fd73d77c3af..58cecd45b0f5 100644 --- a/drivers/scsi/osd/Kbuild +++ b/drivers/scsi/osd/Kbuild @@ -4,7 +4,7 @@ # Copyright (C) 2008 Panasas Inc. All rights reserved. # # Authors: -# Boaz Harrosh +# Boaz Harrosh # Benny Halevy # # This program is free software; you can redistribute it and/or modify diff --git a/drivers/scsi/osd/Kconfig b/drivers/scsi/osd/Kconfig index a0703514eb0f..347cc5e33749 100644 --- a/drivers/scsi/osd/Kconfig +++ b/drivers/scsi/osd/Kconfig @@ -4,7 +4,7 @@ # Copyright (C) 2008 Panasas Inc. All rights reserved. # # Authors: -# Boaz Harrosh +# Boaz Harrosh # Benny Halevy # # This program is free software; you can redistribute it and/or modify diff --git a/drivers/scsi/osd/osd_debug.h b/drivers/scsi/osd/osd_debug.h index 579e491f11df..26341261bb5c 100644 --- a/drivers/scsi/osd/osd_debug.h +++ b/drivers/scsi/osd/osd_debug.h @@ -4,7 +4,7 @@ * Copyright (C) 2008 Panasas Inc. All rights reserved. * * Authors: - * Boaz Harrosh + * Boaz Harrosh * Benny Halevy * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index fd19fd8468ac..488c3929f19a 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -7,7 +7,7 @@ * Copyright (C) 2008 Panasas Inc. All rights reserved. * * Authors: - * Boaz Harrosh + * Boaz Harrosh * Benny Halevy * * This program is free software; you can redistribute it and/or modify @@ -57,7 +57,7 @@ enum { OSD_REQ_RETRIES = 1 }; -MODULE_AUTHOR("Boaz Harrosh "); +MODULE_AUTHOR("Boaz Harrosh "); MODULE_DESCRIPTION("open-osd initiator library libosd.ko"); MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c index e1d9a4c4c4b3..92cdd4b06526 100644 --- a/drivers/scsi/osd/osd_uld.c +++ b/drivers/scsi/osd/osd_uld.c @@ -10,7 +10,7 @@ * Copyright (C) 2008 Panasas Inc. All rights reserved. * * Authors: - * Boaz Harrosh + * Boaz Harrosh * Benny Halevy * * This program is free software; you can redistribute it and/or modify @@ -74,7 +74,7 @@ static const char osd_name[] = "osd"; static const char *osd_version_string = "open-osd 0.2.1"; -MODULE_AUTHOR("Boaz Harrosh "); +MODULE_AUTHOR("Boaz Harrosh "); MODULE_DESCRIPTION("open-osd Upper-Layer-Driver osd.ko"); MODULE_LICENSE("GPL"); MODULE_ALIAS_CHARDEV_MAJOR(SCSI_OSD_MAJOR); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 829752cfd73f..a902fa1db7af 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -112,6 +112,7 @@ static void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd); static void qlt_alloc_qfull_cmd(struct scsi_qla_host *vha, struct atio_from_isp *atio, uint16_t status, int qfull); +static void qlt_disable_vha(struct scsi_qla_host *vha); /* * Global Variables */ @@ -210,7 +211,7 @@ static inline void qlt_decr_num_pend_cmds(struct scsi_qla_host *vha) spin_unlock_irqrestore(&vha->hw->tgt.q_full_lock, flags); } -void qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *vha, +static void qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *vha, struct atio_from_isp *atio) { ql_dbg(ql_dbg_tgt, vha, 0xe072, @@ -433,7 +434,7 @@ static int qlt_reset(struct scsi_qla_host *vha, void *iocb, int mcmd) #if 0 /* FIXME: Re-enable Global event handling.. */ /* Global event */ atomic_inc(&ha->tgt.qla_tgt->tgt_global_resets_count); - qlt_clear_tgt_db(ha->tgt.qla_tgt, 1); + qlt_clear_tgt_db(ha->tgt.qla_tgt); if (!list_empty(&ha->tgt.qla_tgt->sess_list)) { sess = list_entry(ha->tgt.qla_tgt->sess_list.next, typeof(*sess), sess_list_entry); @@ -515,7 +516,7 @@ static void qlt_schedule_sess_for_deletion(struct qla_tgt_sess *sess, } /* ha->hardware_lock supposed to be held on entry */ -static void qlt_clear_tgt_db(struct qla_tgt *tgt, bool local_only) +static void qlt_clear_tgt_db(struct qla_tgt *tgt) { struct qla_tgt_sess *sess; @@ -867,7 +868,7 @@ int qlt_stop_phase1(struct qla_tgt *tgt) mutex_lock(&vha->vha_tgt.tgt_mutex); spin_lock_irqsave(&ha->hardware_lock, flags); tgt->tgt_stop = 1; - qlt_clear_tgt_db(tgt, true); + qlt_clear_tgt_db(tgt); spin_unlock_irqrestore(&ha->hardware_lock, flags); mutex_unlock(&vha->vha_tgt.tgt_mutex); mutex_unlock(&qla_tgt_mutex); @@ -1462,12 +1463,13 @@ static int qlt_pci_map_calc_cnt(struct qla_tgt_prm *prm) return -1; } -static inline void qlt_unmap_sg(struct scsi_qla_host *vha, - struct qla_tgt_cmd *cmd) +static void qlt_unmap_sg(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd) { struct qla_hw_data *ha = vha->hw; - BUG_ON(!cmd->sg_mapped); + if (!cmd->sg_mapped) + return; + pci_unmap_sg(ha->pdev, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction); cmd->sg_mapped = 0; @@ -2428,8 +2430,7 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, return 0; out_unmap_unlock: - if (cmd->sg_mapped) - qlt_unmap_sg(vha, cmd); + qlt_unmap_sg(vha, cmd); spin_unlock_irqrestore(&ha->hardware_lock, flags); return res; @@ -2506,8 +2507,7 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) return res; out_unlock_free_unmap: - if (cmd->sg_mapped) - qlt_unmap_sg(vha, cmd); + qlt_unmap_sg(vha, cmd); spin_unlock_irqrestore(&ha->hardware_lock, flags); return res; @@ -2741,8 +2741,7 @@ static void qlt_send_term_exchange(struct scsi_qla_host *vha, if (!ha_locked && !in_interrupt()) msleep(250); /* just in case */ - if (cmd->sg_mapped) - qlt_unmap_sg(vha, cmd); + qlt_unmap_sg(vha, cmd); vha->hw->tgt.tgt_ops->free_cmd(cmd); } return; @@ -3087,8 +3086,7 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle, tfo = se_cmd->se_tfo; cmd->cmd_sent_to_fw = 0; - if (cmd->sg_mapped) - qlt_unmap_sg(vha, cmd); + qlt_unmap_sg(vha, cmd); if (unlikely(status != CTIO_SUCCESS)) { switch (status & 0xFFFF) { @@ -5343,7 +5341,7 @@ void qlt_lport_deregister(struct scsi_qla_host *vha) EXPORT_SYMBOL(qlt_lport_deregister); /* Must be called under HW lock */ -void qlt_set_mode(struct scsi_qla_host *vha) +static void qlt_set_mode(struct scsi_qla_host *vha) { struct qla_hw_data *ha = vha->hw; @@ -5364,7 +5362,7 @@ void qlt_set_mode(struct scsi_qla_host *vha) } /* Must be called under HW lock */ -void qlt_clear_mode(struct scsi_qla_host *vha) +static void qlt_clear_mode(struct scsi_qla_host *vha) { struct qla_hw_data *ha = vha->hw; @@ -5428,8 +5426,7 @@ EXPORT_SYMBOL(qlt_enable_vha); * * Disable Target Mode and reset the adapter */ -void -qlt_disable_vha(struct scsi_qla_host *vha) +static void qlt_disable_vha(struct scsi_qla_host *vha) { struct qla_hw_data *ha = vha->hw; struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 8ff330f7d6f5..332086776dfe 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -1001,11 +1001,11 @@ struct qla_tgt_prm { struct qla_tgt *tgt; void *pkt; struct scatterlist *sg; /* cmd data buffer SG vector */ + unsigned char *sense_buffer; int seg_cnt; int req_cnt; uint16_t rq_result; uint16_t scsi_status; - unsigned char *sense_buffer; int sense_buffer_len; int residual; int add_status_pkt; @@ -1033,10 +1033,6 @@ struct qla_tgt_srr_ctio { extern struct qla_tgt_data qla_target; -/* - * Internal function prototypes - */ -void qlt_disable_vha(struct scsi_qla_host *); /* * Function prototypes for qla_target.c logic used by qla2xxx LLD code. @@ -1049,8 +1045,6 @@ extern void qlt_lport_deregister(struct scsi_qla_host *); extern void qlt_unreg_sess(struct qla_tgt_sess *); extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *); -extern void qlt_set_mode(struct scsi_qla_host *ha); -extern void qlt_clear_mode(struct scsi_qla_host *ha); extern int __init qlt_init(void); extern void qlt_exit(void); extern void qlt_update_vp_map(struct scsi_qla_host *, int); @@ -1083,13 +1077,9 @@ static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha) /* * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. */ -extern void qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *, - struct atio_from_isp *); extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *); extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); -extern int qlt_rdy_to_xfer_dif(struct qla_tgt_cmd *); -extern int qlt_xmit_response_dif(struct qla_tgt_cmd *, int, uint8_t); extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 031b2961c6b7..73f9feecda72 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -786,7 +786,16 @@ static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess *sess) pr_debug("fc_rport domain: port_id 0x%06x\n", nacl->nport_id); node = btree_remove32(&lport->lport_fcport_map, nacl->nport_id); - WARN_ON(node && (node != se_nacl)); + if (WARN_ON(node && (node != se_nacl))) { + /* + * The nacl no longer matches what we think it should be. + * Most likely a new dynamic acl has been added while + * someone dropped the hardware lock. It clearly is a + * bug elsewhere, but this bit can't make things worse. + */ + btree_insert32(&lport->lport_fcport_map, nacl->nport_id, + node, GFP_ATOMIC); + } pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n", se_nacl, nacl->nport_wwnn, nacl->nport_id); diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 9a6f8468225f..bc5ff6ff9c79 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -459,14 +459,6 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) if (! scsi_command_normalize_sense(scmd, &sshdr)) return FAILED; /* no valid sense data */ - if (scmd->cmnd[0] == TEST_UNIT_READY && scmd->scsi_done != scsi_eh_done) - /* - * nasty: for mid-layer issued TURs, we need to return the - * actual sense data without any recovery attempt. For eh - * issued ones, we need to try to recover and interpret - */ - return SUCCESS; - scsi_report_sense(sdev, &sshdr); if (scsi_sense_is_deferred(&sshdr)) @@ -482,6 +474,14 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) /* handler does not care. Drop down to default handling */ } + if (scmd->cmnd[0] == TEST_UNIT_READY && scmd->scsi_done != scsi_eh_done) + /* + * nasty: for mid-layer issued TURs, we need to return the + * actual sense data without any recovery attempt. For eh + * issued ones, we need to try to recover and interpret + */ + return SUCCESS; + /* * Previous logic looked for FILEMARK, EOM or ILI which are * mainly associated with tapes and returned SUCCESS. @@ -2001,8 +2001,10 @@ static void scsi_restart_operations(struct Scsi_Host *shost) * is no point trying to lock the door of an off-line device. */ shost_for_each_device(sdev, shost) { - if (scsi_device_online(sdev) && sdev->locked) + if (scsi_device_online(sdev) && sdev->was_reset && sdev->locked) { scsi_eh_lock_door(sdev); + sdev->was_reset = 0; + } } /* diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 9eff8a375132..50a6e1ac8d9c 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1893,6 +1893,11 @@ static int scsi_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req, blk_mq_start_request(req); } + if (blk_queue_tagged(q)) + req->cmd_flags |= REQ_QUEUED; + else + req->cmd_flags &= ~REQ_QUEUED; + scsi_init_cmd_errh(cmd); cmd->scsi_done = scsi_mq_done; diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c index cea8ea3491d2..1a07bf540fec 100644 --- a/drivers/soc/versatile/soc-realview.c +++ b/drivers/soc/versatile/soc-realview.c @@ -26,6 +26,7 @@ static const struct of_device_id realview_soc_of_match[] = { { .compatible = "arm,realview-pb11mp-soc", }, { .compatible = "arm,realview-pba8-soc", }, { .compatible = "arm,realview-pbx-soc", }, + { } }; static u32 realview_coreid; diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 729215885250..72e12bad14b9 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -669,6 +669,7 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) master->cleanup = dw_spi_cleanup; master->transfer_one_message = dw_spi_transfer_one_message; master->max_speed_hz = dws->max_freq; + master->dev.of_node = dev->of_node; /* Basic HW init */ spi_hw_init(dws); diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 448216025ce8..831ceb4a91f6 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -46,7 +46,7 @@ #define SPI_TCR 0x08 -#define SPI_CTAR(x) (0x0c + (x * 4)) +#define SPI_CTAR(x) (0x0c + (((x) & 0x3) * 4)) #define SPI_CTAR_FMSZ(x) (((x) & 0x0000000f) << 27) #define SPI_CTAR_CPOL(x) ((x) << 26) #define SPI_CTAR_CPHA(x) ((x) << 25) @@ -70,7 +70,7 @@ #define SPI_PUSHR 0x34 #define SPI_PUSHR_CONT (1 << 31) -#define SPI_PUSHR_CTAS(x) (((x) & 0x00000007) << 28) +#define SPI_PUSHR_CTAS(x) (((x) & 0x00000003) << 28) #define SPI_PUSHR_EOQ (1 << 27) #define SPI_PUSHR_CTCNT (1 << 26) #define SPI_PUSHR_PCS(x) (((1 << x) & 0x0000003f) << 16) diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c index 835cdda6f4f5..c76b7d7879df 100644 --- a/drivers/spi/spi-orion.c +++ b/drivers/spi/spi-orion.c @@ -454,7 +454,7 @@ static int orion_spi_probe(struct platform_device *pdev) spi->master = master; of_id = of_match_device(orion_spi_of_match_table, &pdev->dev); - devdata = of_id->data; + devdata = (of_id) ? of_id->data : &orion_spi_dev_data; spi->devdata = devdata; spi->clk = devm_clk_get(&pdev->dev, NULL); diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index f35f723816ea..fc2dd8441608 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -1106,7 +1106,7 @@ static int configure_dma(struct pl022 *pl022) pl022->sgt_tx.nents, DMA_TO_DEVICE); err_tx_sgmap: dma_unmap_sg(rxchan->device->dev, pl022->sgt_rx.sgl, - pl022->sgt_tx.nents, DMA_FROM_DEVICE); + pl022->sgt_rx.nents, DMA_FROM_DEVICE); err_rx_sgmap: sg_free_table(&pl022->sgt_tx); err_alloc_tx_sg: diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index d8a105f76837..9e9e0f971e6c 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1274,7 +1274,9 @@ static int pxa2xx_spi_suspend(struct device *dev) if (status != 0) return status; write_SSCR0(0, drv_data->ioaddr); - clk_disable_unprepare(ssp->clk); + + if (!pm_runtime_suspended(dev)) + clk_disable_unprepare(ssp->clk); return 0; } @@ -1288,7 +1290,8 @@ static int pxa2xx_spi_resume(struct device *dev) pxa2xx_spi_dma_resume(drv_data); /* Enable the SSP clock */ - clk_prepare_enable(ssp->clk); + if (!pm_runtime_suspended(dev)) + clk_prepare_enable(ssp->clk); /* Restore LPSS private register bits */ lpss_ssp_setup(drv_data); diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index f96ea8a38d64..87bc16f491f0 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -145,6 +145,9 @@ #define RXBUSY (1 << 0) #define TXBUSY (1 << 1) +/* sclk_out: spi master internal logic in rk3x can support 50Mhz */ +#define MAX_SCLK_OUT 50000000 + enum rockchip_ssi_type { SSI_MOTO_SPI = 0, SSI_TI_SSP, @@ -325,6 +328,8 @@ static int rockchip_spi_unprepare_message(struct spi_master *master, spin_unlock_irqrestore(&rs->lock, flags); + spi_enable_chip(rs, 0); + return 0; } @@ -381,6 +386,8 @@ static int rockchip_spi_pio_transfer(struct rockchip_spi *rs) if (rs->tx) wait_for_idle(rs); + spi_enable_chip(rs, 0); + return 0; } @@ -392,8 +399,10 @@ static void rockchip_spi_dma_rxcb(void *data) spin_lock_irqsave(&rs->lock, flags); rs->state &= ~RXBUSY; - if (!(rs->state & TXBUSY)) + if (!(rs->state & TXBUSY)) { + spi_enable_chip(rs, 0); spi_finalize_current_transfer(rs->master); + } spin_unlock_irqrestore(&rs->lock, flags); } @@ -409,8 +418,10 @@ static void rockchip_spi_dma_txcb(void *data) spin_lock_irqsave(&rs->lock, flags); rs->state &= ~TXBUSY; - if (!(rs->state & RXBUSY)) + if (!(rs->state & RXBUSY)) { + spi_enable_chip(rs, 0); spi_finalize_current_transfer(rs->master); + } spin_unlock_irqrestore(&rs->lock, flags); } @@ -496,12 +507,19 @@ static void rockchip_spi_config(struct rockchip_spi *rs) dmacr |= RF_DMA_EN; } + if (WARN_ON(rs->speed > MAX_SCLK_OUT)) + rs->speed = MAX_SCLK_OUT; + + /* the minimum divsor is 2 */ + if (rs->max_freq < 2 * rs->speed) { + clk_set_rate(rs->spiclk, 2 * rs->speed); + rs->max_freq = clk_get_rate(rs->spiclk); + } + /* div doesn't support odd number */ div = max_t(u32, rs->max_freq / rs->speed, 1); div = (div + 1) & 0xfffe; - spi_enable_chip(rs, 0); - writel_relaxed(cr0, rs->regs + ROCKCHIP_SPI_CTRLR0); writel_relaxed(rs->len - 1, rs->regs + ROCKCHIP_SPI_CTRLR1); @@ -515,8 +533,6 @@ static void rockchip_spi_config(struct rockchip_spi *rs) spi_set_clk(rs, div); dev_dbg(rs->dev, "cr0 0x%x, div %d\n", cr0, div); - - spi_enable_chip(rs, 1); } static int rockchip_spi_transfer_one( @@ -524,7 +540,7 @@ static int rockchip_spi_transfer_one( struct spi_device *spi, struct spi_transfer *xfer) { - int ret = 0; + int ret = 1; struct rockchip_spi *rs = spi_master_get_devdata(master); WARN_ON(readl_relaxed(rs->regs + ROCKCHIP_SPI_SSIENR) && @@ -556,17 +572,27 @@ static int rockchip_spi_transfer_one( rs->tmode = CR0_XFM_RO; /* we need prepare dma before spi was enabled */ - if (master->can_dma && master->can_dma(master, spi, xfer)) { + if (master->can_dma && master->can_dma(master, spi, xfer)) rs->use_dma = 1; - rockchip_spi_prepare_dma(rs); - } else { + else rs->use_dma = 0; - } rockchip_spi_config(rs); - if (!rs->use_dma) + if (rs->use_dma) { + if (rs->tmode == CR0_XFM_RO) { + /* rx: dma must be prepared first */ + rockchip_spi_prepare_dma(rs); + spi_enable_chip(rs, 1); + } else { + /* tx or tr: spi must be enabled first */ + spi_enable_chip(rs, 1); + rockchip_spi_prepare_dma(rs); + } + } else { + spi_enable_chip(rs, 1); ret = rockchip_spi_pio_transfer(rs); + } return ret; } diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index e3bc23bb5883..e50039fb1474 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -82,10 +82,11 @@ struct spidev_data { struct spi_device *spi; struct list_head device_entry; - /* buffer is NULL unless this device is open (users > 0) */ + /* TX/RX buffers are NULL unless this device is open (users > 0) */ struct mutex buf_lock; unsigned users; - u8 *buffer; + u8 *tx_buffer; + u8 *rx_buffer; }; static LIST_HEAD(device_list); @@ -135,7 +136,7 @@ static inline ssize_t spidev_sync_write(struct spidev_data *spidev, size_t len) { struct spi_transfer t = { - .tx_buf = spidev->buffer, + .tx_buf = spidev->tx_buffer, .len = len, }; struct spi_message m; @@ -149,7 +150,7 @@ static inline ssize_t spidev_sync_read(struct spidev_data *spidev, size_t len) { struct spi_transfer t = { - .rx_buf = spidev->buffer, + .rx_buf = spidev->rx_buffer, .len = len, }; struct spi_message m; @@ -179,7 +180,7 @@ spidev_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos) if (status > 0) { unsigned long missing; - missing = copy_to_user(buf, spidev->buffer, status); + missing = copy_to_user(buf, spidev->rx_buffer, status); if (missing == status) status = -EFAULT; else @@ -206,7 +207,7 @@ spidev_write(struct file *filp, const char __user *buf, spidev = filp->private_data; mutex_lock(&spidev->buf_lock); - missing = copy_from_user(spidev->buffer, buf, count); + missing = copy_from_user(spidev->tx_buffer, buf, count); if (missing == 0) status = spidev_sync_write(spidev, count); else @@ -224,7 +225,7 @@ static int spidev_message(struct spidev_data *spidev, struct spi_transfer *k_tmp; struct spi_ioc_transfer *u_tmp; unsigned n, total; - u8 *buf; + u8 *tx_buf, *rx_buf; int status = -EFAULT; spi_message_init(&msg); @@ -236,7 +237,8 @@ static int spidev_message(struct spidev_data *spidev, * We walk the array of user-provided transfers, using each one * to initialize a kernel version of the same transfer. */ - buf = spidev->buffer; + tx_buf = spidev->tx_buffer; + rx_buf = spidev->rx_buffer; total = 0; for (n = n_xfers, k_tmp = k_xfers, u_tmp = u_xfers; n; @@ -250,20 +252,21 @@ static int spidev_message(struct spidev_data *spidev, } if (u_tmp->rx_buf) { - k_tmp->rx_buf = buf; + k_tmp->rx_buf = rx_buf; if (!access_ok(VERIFY_WRITE, (u8 __user *) (uintptr_t) u_tmp->rx_buf, u_tmp->len)) goto done; } if (u_tmp->tx_buf) { - k_tmp->tx_buf = buf; - if (copy_from_user(buf, (const u8 __user *) + k_tmp->tx_buf = tx_buf; + if (copy_from_user(tx_buf, (const u8 __user *) (uintptr_t) u_tmp->tx_buf, u_tmp->len)) goto done; } - buf += k_tmp->len; + tx_buf += k_tmp->len; + rx_buf += k_tmp->len; k_tmp->cs_change = !!u_tmp->cs_change; k_tmp->tx_nbits = u_tmp->tx_nbits; @@ -290,17 +293,17 @@ static int spidev_message(struct spidev_data *spidev, goto done; /* copy any rx data out of bounce buffer */ - buf = spidev->buffer; + rx_buf = spidev->rx_buffer; for (n = n_xfers, u_tmp = u_xfers; n; n--, u_tmp++) { if (u_tmp->rx_buf) { if (__copy_to_user((u8 __user *) - (uintptr_t) u_tmp->rx_buf, buf, + (uintptr_t) u_tmp->rx_buf, rx_buf, u_tmp->len)) { status = -EFAULT; goto done; } } - buf += u_tmp->len; + rx_buf += u_tmp->len; } status = total; @@ -508,22 +511,41 @@ static int spidev_open(struct inode *inode, struct file *filp) break; } } - if (status == 0) { - if (!spidev->buffer) { - spidev->buffer = kmalloc(bufsiz, GFP_KERNEL); - if (!spidev->buffer) { + + if (status) { + pr_debug("spidev: nothing for minor %d\n", iminor(inode)); + goto err_find_dev; + } + + if (!spidev->tx_buffer) { + spidev->tx_buffer = kmalloc(bufsiz, GFP_KERNEL); + if (!spidev->tx_buffer) { dev_dbg(&spidev->spi->dev, "open/ENOMEM\n"); status = -ENOMEM; + goto err_find_dev; } } - if (status == 0) { - spidev->users++; - filp->private_data = spidev; - nonseekable_open(inode, filp); - } - } else - pr_debug("spidev: nothing for minor %d\n", iminor(inode)); + if (!spidev->rx_buffer) { + spidev->rx_buffer = kmalloc(bufsiz, GFP_KERNEL); + if (!spidev->rx_buffer) { + dev_dbg(&spidev->spi->dev, "open/ENOMEM\n"); + status = -ENOMEM; + goto err_alloc_rx_buf; + } + } + + spidev->users++; + filp->private_data = spidev; + nonseekable_open(inode, filp); + + mutex_unlock(&device_list_lock); + return 0; + +err_alloc_rx_buf: + kfree(spidev->tx_buffer); + spidev->tx_buffer = NULL; +err_find_dev: mutex_unlock(&device_list_lock); return status; } @@ -542,8 +564,11 @@ static int spidev_release(struct inode *inode, struct file *filp) if (!spidev->users) { int dofree; - kfree(spidev->buffer); - spidev->buffer = NULL; + kfree(spidev->tx_buffer); + spidev->tx_buffer = NULL; + + kfree(spidev->rx_buffer); + spidev->rx_buffer = NULL; /* ... after we unbound from the underlying device? */ spin_lock_irq(&spidev->spi_lock); diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c index 28b93d39a94e..a673ffa34aa3 100644 --- a/drivers/staging/android/logger.c +++ b/drivers/staging/android/logger.c @@ -420,7 +420,7 @@ static ssize_t logger_write_iter(struct kiocb *iocb, struct iov_iter *from) struct logger_log *log = file_get_log(iocb->ki_filp); struct logger_entry header; struct timespec now; - size_t len, count; + size_t len, count, w_off; count = min_t(size_t, iocb->ki_nbytes, LOGGER_ENTRY_MAX_PAYLOAD); @@ -452,11 +452,14 @@ static ssize_t logger_write_iter(struct kiocb *iocb, struct iov_iter *from) memcpy(log->buffer + log->w_off, &header, len); memcpy(log->buffer, (char *)&header + len, sizeof(header) - len); - len = min(count, log->size - log->w_off); + /* Work with a copy until we are ready to commit the whole entry */ + w_off = logger_offset(log, log->w_off + sizeof(struct logger_entry)); - if (copy_from_iter(log->buffer + log->w_off, len, from) != len) { + len = min(count, log->size - w_off); + + if (copy_from_iter(log->buffer + w_off, len, from) != len) { /* - * Note that by not updating w_off, this abandons the + * Note that by not updating log->w_off, this abandons the * portion of the new entry that *was* successfully * copied, just above. This is intentional to avoid * message corruption from missing fragments. @@ -470,7 +473,7 @@ static ssize_t logger_write_iter(struct kiocb *iocb, struct iov_iter *from) return -EFAULT; } - log->w_off = logger_offset(log, log->w_off + count); + log->w_off = logger_offset(log, w_off + count); mutex_unlock(&log->mutex); /* wake up any blocked readers */ diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig index a8bc2b567789..152f4c12ea43 100644 --- a/drivers/staging/comedi/Kconfig +++ b/drivers/staging/comedi/Kconfig @@ -426,6 +426,7 @@ config COMEDI_AIO_IIRO_16 config COMEDI_II_PCI20KC tristate "Intelligent Instruments PCI-20001C carrier support" + depends on HAS_IOMEM ---help--- Enable support for Intelligent Instruments PCI-20001C carrier PCI-20001, PCI-20006 and PCI-20341 @@ -667,7 +668,6 @@ config COMEDI_ADDI_APCI_2200 config COMEDI_ADDI_APCI_3120 tristate "ADDI-DATA APCI_3120/3001 support" depends on HAS_DMA - depends on VIRT_TO_BUS ---help--- Enable support for ADDI-DATA APCI_3120/3001 cards diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 495969f46e76..9c32f0276009 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -1462,10 +1462,7 @@ static int __comedi_get_user_chanlist(struct comedi_device *dev, unsigned int *chanlist; int ret; - /* user_chanlist could be NULL for do_cmdtest ioctls */ - if (!user_chanlist) - return 0; - + cmd->chanlist = NULL; chanlist = memdup_user(user_chanlist, cmd->chanlist_len * sizeof(unsigned int)); if (IS_ERR(chanlist)) @@ -1609,13 +1606,18 @@ static int do_cmdtest_ioctl(struct comedi_device *dev, s = &dev->subdevices[cmd.subdev]; - /* load channel/gain list */ - ret = __comedi_get_user_chanlist(dev, s, user_chanlist, &cmd); - if (ret) - return ret; + /* user_chanlist can be NULL for COMEDI_CMDTEST ioctl */ + if (user_chanlist) { + /* load channel/gain list */ + ret = __comedi_get_user_chanlist(dev, s, user_chanlist, &cmd); + if (ret) + return ret; + } ret = s->do_cmdtest(dev, s, &cmd); + kfree(cmd.chanlist); /* free kernel copy of user chanlist */ + /* restore chanlist pointer before copying back */ cmd.chanlist = (unsigned int __force *)user_chanlist; @@ -1642,7 +1644,7 @@ static int do_cmdtest_ioctl(struct comedi_device *dev, */ -static int do_lock_ioctl(struct comedi_device *dev, unsigned int arg, +static int do_lock_ioctl(struct comedi_device *dev, unsigned long arg, void *file) { int ret = 0; @@ -1679,7 +1681,7 @@ static int do_lock_ioctl(struct comedi_device *dev, unsigned int arg, This function isn't protected by the semaphore, since we already own the lock. */ -static int do_unlock_ioctl(struct comedi_device *dev, unsigned int arg, +static int do_unlock_ioctl(struct comedi_device *dev, unsigned long arg, void *file) { struct comedi_subdevice *s; @@ -1714,7 +1716,7 @@ static int do_unlock_ioctl(struct comedi_device *dev, unsigned int arg, nothing */ -static int do_cancel_ioctl(struct comedi_device *dev, unsigned int arg, +static int do_cancel_ioctl(struct comedi_device *dev, unsigned long arg, void *file) { struct comedi_subdevice *s; @@ -1751,7 +1753,7 @@ static int do_cancel_ioctl(struct comedi_device *dev, unsigned int arg, nothing */ -static int do_poll_ioctl(struct comedi_device *dev, unsigned int arg, +static int do_poll_ioctl(struct comedi_device *dev, unsigned long arg, void *file) { struct comedi_subdevice *s; diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index 32a19264a170..2a29b9baec0d 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -1559,14 +1559,16 @@ static int mxs_lradc_probe(struct platform_device *pdev) /* Grab all IRQ sources */ for (i = 0; i < of_cfg->irq_count; i++) { lradc->irq[i] = platform_get_irq(pdev, i); - if (lradc->irq[i] < 0) - return lradc->irq[i]; + if (lradc->irq[i] < 0) { + ret = lradc->irq[i]; + goto err_clk; + } ret = devm_request_irq(dev, lradc->irq[i], mxs_lradc_handle_irq, 0, of_cfg->irq_name[i], iio); if (ret) - return ret; + goto err_clk; } lradc->vref_mv = of_cfg->vref_mv; @@ -1588,7 +1590,7 @@ static int mxs_lradc_probe(struct platform_device *pdev) &mxs_lradc_trigger_handler, &mxs_lradc_buffer_ops); if (ret) - return ret; + goto err_clk; ret = mxs_lradc_trigger_init(iio); if (ret) @@ -1643,6 +1645,8 @@ static int mxs_lradc_probe(struct platform_device *pdev) mxs_lradc_trigger_remove(iio); err_trig: iio_triggered_buffer_cleanup(iio); +err_clk: + clk_disable_unprepare(lradc->clk); return ret; } diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index d0c89d0457de..b6bd609c3655 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -115,6 +115,7 @@ static const struct iio_chan_spec ad5933_channels[] = { .channel = 0, .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), .address = AD5933_REG_TEMP_DATA, + .scan_index = -1, .scan_type = { .sign = 's', .realbits = 14, @@ -124,9 +125,7 @@ static const struct iio_chan_spec ad5933_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, - .extend_name = "real_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | - BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "real", .address = AD5933_REG_REAL_DATA, .scan_index = 0, .scan_type = { @@ -138,9 +137,7 @@ static const struct iio_chan_spec ad5933_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, - .extend_name = "imag_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | - BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "imag", .address = AD5933_REG_IMAG_DATA, .scan_index = 1, .scan_type = { @@ -749,14 +746,14 @@ static int ad5933_probe(struct i2c_client *client, indio_dev->name = id->name; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = ad5933_channels; - indio_dev->num_channels = 1; /* only register temp0_input */ + indio_dev->num_channels = ARRAY_SIZE(ad5933_channels); ret = ad5933_register_ring_funcs_and_init(indio_dev); if (ret) goto error_disable_reg; - /* skip temp0_input, register in0_(real|imag)_raw */ - ret = iio_buffer_register(indio_dev, &ad5933_channels[1], 2); + ret = iio_buffer_register(indio_dev, ad5933_channels, + ARRAY_SIZE(ad5933_channels)); if (ret) goto error_unreg_ring; diff --git a/drivers/staging/iio/meter/ade7758.h b/drivers/staging/iio/meter/ade7758.h index 07318203a836..e8c98cf57070 100644 --- a/drivers/staging/iio/meter/ade7758.h +++ b/drivers/staging/iio/meter/ade7758.h @@ -119,7 +119,6 @@ struct ade7758_state { u8 *tx; u8 *rx; struct mutex buf_lock; - const struct iio_chan_spec *ade7758_ring_channels; struct spi_transfer ring_xfer[4]; struct spi_message ring_msg; /* diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c index abc60067cd72..fb373b89dcc2 100644 --- a/drivers/staging/iio/meter/ade7758_core.c +++ b/drivers/staging/iio/meter/ade7758_core.c @@ -634,9 +634,6 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 0, - .extend_name = "raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = AD7758_WT(AD7758_PHASE_A, AD7758_VOLTAGE), .scan_index = 0, .scan_type = { @@ -648,9 +645,6 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_CURRENT, .indexed = 1, .channel = 0, - .extend_name = "raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = AD7758_WT(AD7758_PHASE_A, AD7758_CURRENT), .scan_index = 1, .scan_type = { @@ -662,9 +656,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 0, - .extend_name = "apparent_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "apparent", .address = AD7758_WT(AD7758_PHASE_A, AD7758_APP_PWR), .scan_index = 2, .scan_type = { @@ -676,9 +668,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 0, - .extend_name = "active_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "active", .address = AD7758_WT(AD7758_PHASE_A, AD7758_ACT_PWR), .scan_index = 3, .scan_type = { @@ -690,9 +680,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 0, - .extend_name = "reactive_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "reactive", .address = AD7758_WT(AD7758_PHASE_A, AD7758_REACT_PWR), .scan_index = 4, .scan_type = { @@ -704,9 +692,6 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 1, - .extend_name = "raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = AD7758_WT(AD7758_PHASE_B, AD7758_VOLTAGE), .scan_index = 5, .scan_type = { @@ -718,9 +703,6 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_CURRENT, .indexed = 1, .channel = 1, - .extend_name = "raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = AD7758_WT(AD7758_PHASE_B, AD7758_CURRENT), .scan_index = 6, .scan_type = { @@ -732,9 +714,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 1, - .extend_name = "apparent_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "apparent", .address = AD7758_WT(AD7758_PHASE_B, AD7758_APP_PWR), .scan_index = 7, .scan_type = { @@ -746,9 +726,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 1, - .extend_name = "active_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "active", .address = AD7758_WT(AD7758_PHASE_B, AD7758_ACT_PWR), .scan_index = 8, .scan_type = { @@ -760,9 +738,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 1, - .extend_name = "reactive_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "reactive", .address = AD7758_WT(AD7758_PHASE_B, AD7758_REACT_PWR), .scan_index = 9, .scan_type = { @@ -774,9 +750,6 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_VOLTAGE, .indexed = 1, .channel = 2, - .extend_name = "raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = AD7758_WT(AD7758_PHASE_C, AD7758_VOLTAGE), .scan_index = 10, .scan_type = { @@ -788,9 +761,6 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_CURRENT, .indexed = 1, .channel = 2, - .extend_name = "raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .address = AD7758_WT(AD7758_PHASE_C, AD7758_CURRENT), .scan_index = 11, .scan_type = { @@ -802,9 +772,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 2, - .extend_name = "apparent_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "apparent", .address = AD7758_WT(AD7758_PHASE_C, AD7758_APP_PWR), .scan_index = 12, .scan_type = { @@ -816,9 +784,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 2, - .extend_name = "active_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "active", .address = AD7758_WT(AD7758_PHASE_C, AD7758_ACT_PWR), .scan_index = 13, .scan_type = { @@ -830,9 +796,7 @@ static const struct iio_chan_spec ade7758_channels[] = { .type = IIO_POWER, .indexed = 1, .channel = 2, - .extend_name = "reactive_raw", - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .extend_name = "reactive", .address = AD7758_WT(AD7758_PHASE_C, AD7758_REACT_PWR), .scan_index = 14, .scan_type = { @@ -873,13 +837,14 @@ static int ade7758_probe(struct spi_device *spi) goto error_free_rx; } st->us = spi; - st->ade7758_ring_channels = &ade7758_channels[0]; mutex_init(&st->buf_lock); indio_dev->name = spi->dev.driver->name; indio_dev->dev.parent = &spi->dev; indio_dev->info = &ade7758_info; indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = ade7758_channels; + indio_dev->num_channels = ARRAY_SIZE(ade7758_channels); ret = ade7758_configure_ring(indio_dev); if (ret) diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c index c0accf8cce93..6e9006490742 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c @@ -85,17 +85,16 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p) **/ static int ade7758_ring_preenable(struct iio_dev *indio_dev) { - struct ade7758_state *st = iio_priv(indio_dev); unsigned channel; - if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) + if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; channel = find_first_bit(indio_dev->active_scan_mask, indio_dev->masklength); ade7758_write_waveform_type(&indio_dev->dev, - st->ade7758_ring_channels[channel].address); + indio_dev->channels[channel].address); return 0; } diff --git a/drivers/staging/rtl8723au/include/rtw_eeprom.h b/drivers/staging/rtl8723au/include/rtw_eeprom.h index e5121a2a64b4..a86f36e49dd1 100644 --- a/drivers/staging/rtl8723au/include/rtw_eeprom.h +++ b/drivers/staging/rtl8723au/include/rtw_eeprom.h @@ -107,12 +107,12 @@ enum rt_customer_id }; struct eeprom_priv { + u8 mac_addr[6]; /* PermanentAddress */ u8 bautoload_fail_flag; u8 bloadfile_fail_flag; u8 bloadmac_fail_flag; /* u8 bempty; */ /* u8 sys_config; */ - u8 mac_addr[6]; /* PermanentAddress */ /* u8 config0; */ u16 channel_plan; /* u8 country_string[3]; */ diff --git a/drivers/target/Kconfig b/drivers/target/Kconfig index dc2d84ac5a0e..81d44c477a5b 100644 --- a/drivers/target/Kconfig +++ b/drivers/target/Kconfig @@ -31,6 +31,13 @@ config TCM_PSCSI Say Y here to enable the TCM/pSCSI subsystem plugin for non-buffered passthrough access to Linux/SCSI device +config TCM_USER + tristate "TCM/USER Subsystem Plugin for Linux" + depends on UIO && NET + help + Say Y here to enable the TCM/USER subsystem plugin for a userspace + process to handle requests + source "drivers/target/loopback/Kconfig" source "drivers/target/tcm_fc/Kconfig" source "drivers/target/iscsi/Kconfig" diff --git a/drivers/target/Makefile b/drivers/target/Makefile index 85b012d2f89b..bbb4a7d638ef 100644 --- a/drivers/target/Makefile +++ b/drivers/target/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_TARGET_CORE) += target_core_mod.o obj-$(CONFIG_TCM_IBLOCK) += target_core_iblock.o obj-$(CONFIG_TCM_FILEIO) += target_core_file.o obj-$(CONFIG_TCM_PSCSI) += target_core_pscsi.o +obj-$(CONFIG_TCM_USER) += target_core_user.o # Fabric modules obj-$(CONFIG_LOOPBACK_TARGET) += loopback/ diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 260c3e1e312c..b19e4329ba00 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3709,7 +3709,6 @@ static inline void iscsit_thread_check_cpumask( struct task_struct *p, int mode) { - char buf[128]; /* * mode == 1 signals iscsi_target_tx_thread() usage. * mode == 0 signals iscsi_target_rx_thread() usage. @@ -3728,8 +3727,6 @@ static inline void iscsit_thread_check_cpumask( * both TX and RX kthreads are scheduled to run on the * same CPU. */ - memset(buf, 0, 128); - cpumask_scnprintf(buf, 128, conn->conn_cpumask); set_cpus_allowed_ptr(p, conn->conn_cpumask); } @@ -4326,8 +4323,7 @@ int iscsit_close_connection( if (conn->conn_tx_hash.tfm) crypto_free_hash(conn->conn_tx_hash.tfm); - if (conn->conn_cpumask) - free_cpumask_var(conn->conn_cpumask); + free_cpumask_var(conn->conn_cpumask); kfree(conn->conn_ops); conn->conn_ops = NULL; diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index ae03f3e5de1e..9059c1e0b26e 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -669,12 +669,10 @@ static ssize_t lio_target_nacl_show_info( } else { sess = se_sess->fabric_sess_ptr; - if (sess->sess_ops->InitiatorName) - rb += sprintf(page+rb, "InitiatorName: %s\n", - sess->sess_ops->InitiatorName); - if (sess->sess_ops->InitiatorAlias) - rb += sprintf(page+rb, "InitiatorAlias: %s\n", - sess->sess_ops->InitiatorAlias); + rb += sprintf(page+rb, "InitiatorName: %s\n", + sess->sess_ops->InitiatorName); + rb += sprintf(page+rb, "InitiatorAlias: %s\n", + sess->sess_ops->InitiatorAlias); rb += sprintf(page+rb, "LIO Session ID: %u " "ISID: 0x%02x %02x %02x %02x %02x %02x " diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 0d1e6ee3e992..a0ae5fc0ad75 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -345,7 +345,6 @@ static int iscsit_dataout_check_datasn( struct iscsi_cmd *cmd, unsigned char *buf) { - int dump = 0, recovery = 0; u32 data_sn = 0; struct iscsi_conn *conn = cmd->conn; struct iscsi_data *hdr = (struct iscsi_data *) buf; @@ -370,13 +369,11 @@ static int iscsit_dataout_check_datasn( pr_err("Command ITT: 0x%08x, received DataSN: 0x%08x" " higher than expected 0x%08x.\n", cmd->init_task_tag, be32_to_cpu(hdr->datasn), data_sn); - recovery = 1; goto recover; } else if (be32_to_cpu(hdr->datasn) < data_sn) { pr_err("Command ITT: 0x%08x, received DataSN: 0x%08x" " lower than expected 0x%08x, discarding payload.\n", cmd->init_task_tag, be32_to_cpu(hdr->datasn), data_sn); - dump = 1; goto dump; } @@ -392,8 +389,7 @@ static int iscsit_dataout_check_datasn( if (iscsit_dump_data_payload(conn, payload_length, 1) < 0) return DATAOUT_CANNOT_RECOVER; - return (recovery || dump) ? DATAOUT_WITHIN_COMMAND_RECOVERY : - DATAOUT_NORMAL; + return DATAOUT_WITHIN_COMMAND_RECOVERY; } static int iscsit_dataout_pre_datapduinorder_yes( diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 5e71ac609418..480f2e0ecc11 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -978,8 +978,7 @@ int iscsit_setup_np( return 0; fail: np->np_socket = NULL; - if (sock) - sock_release(sock); + sock_release(sock); return ret; } @@ -1190,8 +1189,7 @@ void iscsi_target_login_sess_out(struct iscsi_conn *conn, if (!IS_ERR(conn->conn_tx_hash.tfm)) crypto_free_hash(conn->conn_tx_hash.tfm); - if (conn->conn_cpumask) - free_cpumask_var(conn->conn_cpumask); + free_cpumask_var(conn->conn_cpumask); kfree(conn->conn_ops); @@ -1268,8 +1266,6 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) iscsit_put_transport(conn->conn_transport); kfree(conn); conn = NULL; - if (ret == -ENODEV) - goto out; /* Get another socket */ return 1; } diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index 73355f4fca74..ce87ce9bdb9c 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -1481,8 +1481,9 @@ void iscsit_collect_login_stats( if (conn->param_list) intrname = iscsi_find_param_from_key(INITIATORNAME, conn->param_list); - strcpy(ls->last_intr_fail_name, - (intrname ? intrname->value : "Unknown")); + strlcpy(ls->last_intr_fail_name, + (intrname ? intrname->value : "Unknown"), + sizeof(ls->last_intr_fail_name)); ls->last_intr_fail_ip_family = conn->login_family; diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index 340de9d92b15..ab3ab27d49b7 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -153,18 +153,11 @@ static int tcm_loop_change_queue_type(struct scsi_device *sdev, int tag) /* * Locate the SAM Task Attr from struct scsi_cmnd * */ -static int tcm_loop_sam_attr(struct scsi_cmnd *sc) +static int tcm_loop_sam_attr(struct scsi_cmnd *sc, int tag) { - if (sc->device->tagged_supported) { - switch (sc->tag) { - case HEAD_OF_QUEUE_TAG: - return MSG_HEAD_TAG; - case ORDERED_QUEUE_TAG: - return MSG_ORDERED_TAG; - default: - break; - } - } + if (sc->device->tagged_supported && + sc->device->ordered_tags && tag >= 0) + return MSG_ORDERED_TAG; return MSG_SIMPLE_TAG; } @@ -227,7 +220,7 @@ static void tcm_loop_submission_work(struct work_struct *work) rc = target_submit_cmd_map_sgls(se_cmd, tl_nexus->se_sess, sc->cmnd, &tl_cmd->tl_sense_buf[0], tl_cmd->sc->device->lun, - transfer_length, tcm_loop_sam_attr(sc), + transfer_length, tcm_loop_sam_attr(sc, tl_cmd->sc_cmd_tag), sc->sc_data_direction, 0, scsi_sglist(sc), scsi_sg_count(sc), sgl_bidi, sgl_bidi_count, @@ -266,7 +259,7 @@ static int tcm_loop_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc) } tl_cmd->sc = sc; - tl_cmd->sc_cmd_tag = sc->tag; + tl_cmd->sc_cmd_tag = sc->request->tag; INIT_WORK(&tl_cmd->work, tcm_loop_submission_work); queue_work(tcm_loop_workqueue, &tl_cmd->work); return 0; @@ -370,7 +363,7 @@ static int tcm_loop_abort_task(struct scsi_cmnd *sc) */ tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id]; ret = tcm_loop_issue_tmr(tl_tpg, tl_nexus, sc->device->lun, - sc->tag, TMR_ABORT_TASK); + sc->request->tag, TMR_ABORT_TASK); return (ret == TMR_FUNCTION_COMPLETE) ? SUCCESS : FAILED; } @@ -960,8 +953,7 @@ static int tcm_loop_port_link( struct tcm_loop_tpg, tl_se_tpg); struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba; - atomic_inc(&tl_tpg->tl_tpg_port_count); - smp_mb__after_atomic(); + atomic_inc_mb(&tl_tpg->tl_tpg_port_count); /* * Add Linux/SCSI struct scsi_device by HCTL */ @@ -995,8 +987,7 @@ static void tcm_loop_port_unlink( scsi_remove_device(sd); scsi_device_put(sd); - atomic_dec(&tl_tpg->tl_tpg_port_count); - smp_mb__after_atomic(); + atomic_dec_mb(&tl_tpg->tl_tpg_port_count); pr_debug("TCM_Loop_ConfigFS: Port Unlink Successful\n"); } diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index fbc5ebb5f761..fb87780929d2 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -392,8 +392,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd) if (tg_pt_id != tg_pt_gp->tg_pt_gp_id) continue; - atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic(); + atomic_inc_mb(&tg_pt_gp->tg_pt_gp_ref_cnt); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); @@ -403,8 +402,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd) found = true; spin_lock(&dev->t10_alua.tg_pt_gps_lock); - atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic(); + atomic_dec_mb(&tg_pt_gp->tg_pt_gp_ref_cnt); break; } spin_unlock(&dev->t10_alua.tg_pt_gps_lock); @@ -998,8 +996,7 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work) * every I_T nexus other than the I_T nexus on which the SET * TARGET PORT GROUPS command */ - atomic_inc(&mem->tg_pt_gp_mem_ref_cnt); - smp_mb__after_atomic(); + atomic_inc_mb(&mem->tg_pt_gp_mem_ref_cnt); spin_unlock(&tg_pt_gp->tg_pt_gp_lock); spin_lock_bh(&port->sep_alua_lock); @@ -1028,8 +1025,7 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work) spin_unlock_bh(&port->sep_alua_lock); spin_lock(&tg_pt_gp->tg_pt_gp_lock); - atomic_dec(&mem->tg_pt_gp_mem_ref_cnt); - smp_mb__after_atomic(); + atomic_dec_mb(&mem->tg_pt_gp_mem_ref_cnt); } spin_unlock(&tg_pt_gp->tg_pt_gp_lock); /* @@ -1063,7 +1059,6 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work) core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_pending_state)); spin_lock(&dev->t10_alua.tg_pt_gps_lock); atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic(); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); if (tg_pt_gp->tg_pt_gp_transition_complete) @@ -1125,7 +1120,6 @@ static int core_alua_do_transition_tg_pt( */ spin_lock(&dev->t10_alua.tg_pt_gps_lock); atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic(); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); if (!explicit && tg_pt_gp->tg_pt_gp_implicit_trans_secs) { @@ -1168,7 +1162,6 @@ int core_alua_do_port_transition( spin_lock(&local_lu_gp_mem->lu_gp_mem_lock); lu_gp = local_lu_gp_mem->lu_gp; atomic_inc(&lu_gp->lu_gp_ref_cnt); - smp_mb__after_atomic(); spin_unlock(&local_lu_gp_mem->lu_gp_mem_lock); /* * For storage objects that are members of the 'default_lu_gp', @@ -1184,8 +1177,7 @@ int core_alua_do_port_transition( l_tg_pt_gp->tg_pt_gp_alua_nacl = l_nacl; rc = core_alua_do_transition_tg_pt(l_tg_pt_gp, new_state, explicit); - atomic_dec(&lu_gp->lu_gp_ref_cnt); - smp_mb__after_atomic(); + atomic_dec_mb(&lu_gp->lu_gp_ref_cnt); return rc; } /* @@ -1198,8 +1190,7 @@ int core_alua_do_port_transition( lu_gp_mem_list) { dev = lu_gp_mem->lu_gp_mem_dev; - atomic_inc(&lu_gp_mem->lu_gp_mem_ref_cnt); - smp_mb__after_atomic(); + atomic_inc_mb(&lu_gp_mem->lu_gp_mem_ref_cnt); spin_unlock(&lu_gp->lu_gp_lock); spin_lock(&dev->t10_alua.tg_pt_gps_lock); @@ -1227,8 +1218,7 @@ int core_alua_do_port_transition( tg_pt_gp->tg_pt_gp_alua_port = NULL; tg_pt_gp->tg_pt_gp_alua_nacl = NULL; } - atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic(); + atomic_inc_mb(&tg_pt_gp->tg_pt_gp_ref_cnt); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); /* * core_alua_do_transition_tg_pt() will always return @@ -1238,16 +1228,14 @@ int core_alua_do_port_transition( new_state, explicit); spin_lock(&dev->t10_alua.tg_pt_gps_lock); - atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt); - smp_mb__after_atomic(); + atomic_dec_mb(&tg_pt_gp->tg_pt_gp_ref_cnt); if (rc) break; } spin_unlock(&dev->t10_alua.tg_pt_gps_lock); spin_lock(&lu_gp->lu_gp_lock); - atomic_dec(&lu_gp_mem->lu_gp_mem_ref_cnt); - smp_mb__after_atomic(); + atomic_dec_mb(&lu_gp_mem->lu_gp_mem_ref_cnt); } spin_unlock(&lu_gp->lu_gp_lock); @@ -1260,8 +1248,7 @@ int core_alua_do_port_transition( core_alua_dump_state(new_state)); } - atomic_dec(&lu_gp->lu_gp_ref_cnt); - smp_mb__after_atomic(); + atomic_dec_mb(&lu_gp->lu_gp_ref_cnt); return rc; } diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 756def38c77a..79f9296a08ae 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -665,6 +665,9 @@ SE_DEV_ATTR(is_nonrot, S_IRUGO | S_IWUSR); DEF_DEV_ATTRIB(emulate_rest_reord); SE_DEV_ATTR(emulate_rest_reord, S_IRUGO | S_IWUSR); +DEF_DEV_ATTRIB(force_pr_aptpl); +SE_DEV_ATTR(force_pr_aptpl, S_IRUGO | S_IWUSR); + DEF_DEV_ATTRIB_RO(hw_block_size); SE_DEV_ATTR_RO(hw_block_size); @@ -719,6 +722,7 @@ static struct configfs_attribute *target_core_dev_attrib_attrs[] = { &target_core_dev_attrib_hw_pi_prot_type.attr, &target_core_dev_attrib_pi_prot_format.attr, &target_core_dev_attrib_enforce_pr_isids.attr, + &target_core_dev_attrib_force_pr_aptpl.attr, &target_core_dev_attrib_is_nonrot.attr, &target_core_dev_attrib_emulate_rest_reord.attr, &target_core_dev_attrib_hw_block_size.attr, @@ -1263,7 +1267,7 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( { unsigned char *i_fabric = NULL, *i_port = NULL, *isid = NULL; unsigned char *t_fabric = NULL, *t_port = NULL; - char *orig, *ptr, *arg_p, *opts; + char *orig, *ptr, *opts; substring_t args[MAX_OPT_ARGS]; unsigned long long tmp_ll; u64 sa_res_key = 0; @@ -1295,14 +1299,14 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( token = match_token(ptr, tokens, args); switch (token) { case Opt_initiator_fabric: - i_fabric = match_strdup(&args[0]); + i_fabric = match_strdup(args); if (!i_fabric) { ret = -ENOMEM; goto out; } break; case Opt_initiator_node: - i_port = match_strdup(&args[0]); + i_port = match_strdup(args); if (!i_port) { ret = -ENOMEM; goto out; @@ -1316,7 +1320,7 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( } break; case Opt_initiator_sid: - isid = match_strdup(&args[0]); + isid = match_strdup(args); if (!isid) { ret = -ENOMEM; goto out; @@ -1330,15 +1334,9 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( } break; case Opt_sa_res_key: - arg_p = match_strdup(&args[0]); - if (!arg_p) { - ret = -ENOMEM; - goto out; - } - ret = kstrtoull(arg_p, 0, &tmp_ll); + ret = kstrtoull(args->from, 0, &tmp_ll); if (ret < 0) { - pr_err("kstrtoull() failed for" - " sa_res_key=\n"); + pr_err("kstrtoull() failed for sa_res_key=\n"); goto out; } sa_res_key = (u64)tmp_ll; @@ -1370,14 +1368,14 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( * PR APTPL Metadata for Target Port */ case Opt_target_fabric: - t_fabric = match_strdup(&args[0]); + t_fabric = match_strdup(args); if (!t_fabric) { ret = -ENOMEM; goto out; } break; case Opt_target_node: - t_port = match_strdup(&args[0]); + t_port = match_strdup(args); if (!t_port) { ret = -ENOMEM; goto out; diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 98da90167159..c45f9e907e44 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -224,8 +224,7 @@ struct se_dev_entry *core_get_se_deve_from_rtpi( if (port->sep_rtpi != rtpi) continue; - atomic_inc(&deve->pr_ref_count); - smp_mb__after_atomic(); + atomic_inc_mb(&deve->pr_ref_count); spin_unlock_irq(&nacl->device_list_lock); return deve; @@ -1019,6 +1018,23 @@ int se_dev_set_enforce_pr_isids(struct se_device *dev, int flag) return 0; } +int se_dev_set_force_pr_aptpl(struct se_device *dev, int flag) +{ + if ((flag != 0) && (flag != 1)) { + printk(KERN_ERR "Illegal value %d\n", flag); + return -EINVAL; + } + if (dev->export_count) { + pr_err("dev[%p]: Unable to set force_pr_aptpl while" + " export_count is %d\n", dev, dev->export_count); + return -EINVAL; + } + + dev->dev_attrib.force_pr_aptpl = flag; + pr_debug("dev[%p]: SE Device force_pr_aptpl: %d\n", dev, flag); + return 0; +} + int se_dev_set_is_nonrot(struct se_device *dev, int flag) { if ((flag != 0) && (flag != 1)) { @@ -1250,24 +1266,16 @@ struct se_lun *core_dev_add_lun( * * */ -int core_dev_del_lun( +void core_dev_del_lun( struct se_portal_group *tpg, - u32 unpacked_lun) + struct se_lun *lun) { - struct se_lun *lun; - - lun = core_tpg_pre_dellun(tpg, unpacked_lun); - if (IS_ERR(lun)) - return PTR_ERR(lun); - - core_tpg_post_dellun(tpg, lun); - - pr_debug("%s_TPG[%u]_LUN[%u] - Deactivated %s Logical Unit from" + pr_debug("%s_TPG[%u]_LUN[%u] - Deactivating %s Logical Unit from" " device object\n", tpg->se_tpg_tfo->get_fabric_name(), - tpg->se_tpg_tfo->tpg_get_tag(tpg), unpacked_lun, + tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun, tpg->se_tpg_tfo->get_fabric_name()); - return 0; + core_tpg_remove_lun(tpg, lun); } struct se_lun *core_get_lun_from_tpg(struct se_portal_group *tpg, u32 unpacked_lun) @@ -1396,8 +1404,7 @@ int core_dev_add_initiator_node_lun_acl( spin_lock(&lun->lun_acl_lock); list_add_tail(&lacl->lacl_list, &lun->lun_acl_list); - atomic_inc(&lun->lun_acl_count); - smp_mb__after_atomic(); + atomic_inc_mb(&lun->lun_acl_count); spin_unlock(&lun->lun_acl_lock); pr_debug("%s_TPG[%hu]_LUN[%u->%u] - Added %s ACL for " @@ -1409,7 +1416,8 @@ int core_dev_add_initiator_node_lun_acl( * Check to see if there are any existing persistent reservation APTPL * pre-registrations that need to be enabled for this LUN ACL.. */ - core_scsi3_check_aptpl_registration(lun->lun_se_dev, tpg, lun, lacl); + core_scsi3_check_aptpl_registration(lun->lun_se_dev, tpg, lun, nacl, + lacl->mapped_lun); return 0; } @@ -1430,8 +1438,7 @@ int core_dev_del_initiator_node_lun_acl( spin_lock(&lun->lun_acl_lock); list_del(&lacl->lacl_list); - atomic_dec(&lun->lun_acl_count); - smp_mb__after_atomic(); + atomic_dec_mb(&lun->lun_acl_count); spin_unlock(&lun->lun_acl_lock); core_disable_device_list_for_node(lun, NULL, lacl->mapped_lun, @@ -1554,6 +1561,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) dev->dev_attrib.emulate_3pc = DA_EMULATE_3PC; dev->dev_attrib.pi_prot_type = TARGET_DIF_TYPE0_PROT; dev->dev_attrib.enforce_pr_isids = DA_ENFORCE_PR_ISIDS; + dev->dev_attrib.force_pr_aptpl = DA_FORCE_PR_APTPL; dev->dev_attrib.is_nonrot = DA_IS_NONROT; dev->dev_attrib.emulate_rest_reord = DA_EMULATE_REST_REORD; dev->dev_attrib.max_unmap_lba_count = DA_MAX_UNMAP_LBA_COUNT; diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index 7de9f0475d05..0c3f90130b7d 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -320,7 +320,7 @@ static struct config_group *target_fabric_make_mappedlun( struct se_node_acl, acl_group); struct se_portal_group *se_tpg = se_nacl->se_tpg; struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; - struct se_lun_acl *lacl; + struct se_lun_acl *lacl = NULL; struct config_item *acl_ci; struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL; char *buf; @@ -406,6 +406,7 @@ static struct config_group *target_fabric_make_mappedlun( out: if (lacl_cg) kfree(lacl_cg->default_groups); + kfree(lacl); kfree(buf); return ERR_PTR(ret); } @@ -821,7 +822,7 @@ static int target_fabric_port_unlink( tf->tf_ops.fabric_pre_unlink(se_tpg, lun); } - core_dev_del_lun(se_tpg, lun->unpacked_lun); + core_dev_del_lun(se_tpg, lun); return 0; } @@ -910,16 +911,12 @@ static struct config_group *target_fabric_make_lun( GFP_KERNEL); if (!port_stat_grp->default_groups) { pr_err("Unable to allocate port_stat_grp->default_groups\n"); - errno = -ENOMEM; - goto out; + kfree(lun_cg->default_groups); + return ERR_PTR(-ENOMEM); } target_stat_setup_port_default_groups(lun); return &lun->lun_group; -out: - if (lun_cg) - kfree(lun_cg->default_groups); - return ERR_PTR(errno); } static void target_fabric_drop_lun( diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c index 0d1cf8b4f49f..35bfe77160d8 100644 --- a/drivers/target/target_core_fabric_lib.c +++ b/drivers/target/target_core_fabric_lib.c @@ -394,9 +394,9 @@ char *iscsi_parse_pr_out_transport_id( * If the caller wants the TransportID Length, we set that value for the * entire iSCSI Tarnsport ID now. */ - if (out_tid_len != NULL) { - add_len = ((buf[2] >> 8) & 0xff); - add_len |= (buf[3] & 0xff); + if (out_tid_len) { + /* The shift works thanks to integer promotion rules */ + add_len = (buf[2] << 8) | buf[3]; tid_len = strlen(&buf[4]); tid_len += 4; /* Add four bytes for iSCSI Transport ID header */ diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index 7d6cddaec525..72c83d98662b 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -415,7 +415,7 @@ fd_execute_sync_cache(struct se_cmd *cmd) } else { start = cmd->t_task_lba * dev->dev_attrib.block_size; if (cmd->data_length) - end = start + cmd->data_length; + end = start + cmd->data_length - 1; else end = LLONG_MAX; } @@ -680,7 +680,12 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, struct fd_dev *fd_dev = FD_DEV(dev); loff_t start = cmd->t_task_lba * dev->dev_attrib.block_size; - loff_t end = start + cmd->data_length; + loff_t end; + + if (cmd->data_length) + end = start + cmd->data_length - 1; + else + end = LLONG_MAX; vfs_fsync_range(fd_dev->fd_file, start, end, 1); } @@ -762,7 +767,9 @@ static ssize_t fd_set_configfs_dev_params(struct se_device *dev, fd_dev->fbd_flags |= FBDF_HAS_SIZE; break; case Opt_fd_buffered_io: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; if (arg != 1) { pr_err("bogus fd_buffered_io=%d value\n", arg); ret = -EINVAL; diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index de9cab708f45..e31f42f369ff 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -38,6 +38,7 @@ int se_dev_set_emulate_3pc(struct se_device *, int); int se_dev_set_pi_prot_type(struct se_device *, int); int se_dev_set_pi_prot_format(struct se_device *, int); int se_dev_set_enforce_pr_isids(struct se_device *, int); +int se_dev_set_force_pr_aptpl(struct se_device *, int); int se_dev_set_is_nonrot(struct se_device *, int); int se_dev_set_emulate_rest_reord(struct se_device *dev, int); int se_dev_set_queue_depth(struct se_device *, u32); @@ -46,7 +47,7 @@ int se_dev_set_fabric_max_sectors(struct se_device *, u32); int se_dev_set_optimal_sectors(struct se_device *, u32); int se_dev_set_block_size(struct se_device *, u32); struct se_lun *core_dev_add_lun(struct se_portal_group *, struct se_device *, u32); -int core_dev_del_lun(struct se_portal_group *, u32); +void core_dev_del_lun(struct se_portal_group *, struct se_lun *); struct se_lun *core_get_lun_from_tpg(struct se_portal_group *, u32); struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *, struct se_node_acl *, u32, int *); @@ -82,8 +83,7 @@ void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *); struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u32); int core_tpg_add_lun(struct se_portal_group *, struct se_lun *, u32, struct se_device *); -struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32 unpacked_lun); -int core_tpg_post_dellun(struct se_portal_group *, struct se_lun *); +void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *); /* target_core_transport.c */ extern struct kmem_cache *se_tmr_req_cache; diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index df357862286e..8c60a1a1ae8d 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -674,8 +674,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( */ spin_lock(&dev->se_port_lock); list_for_each_entry_safe(port, port_tmp, &dev->dev_sep_list, sep_list) { - atomic_inc(&port->sep_tg_pt_ref_cnt); - smp_mb__after_atomic(); + atomic_inc_mb(&port->sep_tg_pt_ref_cnt); spin_unlock(&dev->se_port_lock); spin_lock_bh(&port->sep_alua_lock); @@ -709,8 +708,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( if (strcmp(nacl->initiatorname, nacl_tmp->initiatorname)) continue; - atomic_inc(&deve_tmp->pr_ref_count); - smp_mb__after_atomic(); + atomic_inc_mb(&deve_tmp->pr_ref_count); spin_unlock_bh(&port->sep_alua_lock); /* * Grab a configfs group dependency that is released @@ -722,10 +720,8 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( if (ret < 0) { pr_err("core_scsi3_lunacl_depend" "_item() failed\n"); - atomic_dec(&port->sep_tg_pt_ref_cnt); - smp_mb__after_atomic(); - atomic_dec(&deve_tmp->pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&port->sep_tg_pt_ref_cnt); + atomic_dec_mb(&deve_tmp->pr_ref_count); goto out; } /* @@ -739,10 +735,8 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( nacl_tmp, deve_tmp, NULL, sa_res_key, all_tg_pt, aptpl); if (!pr_reg_atp) { - atomic_dec(&port->sep_tg_pt_ref_cnt); - smp_mb__after_atomic(); - atomic_dec(&deve_tmp->pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&port->sep_tg_pt_ref_cnt); + atomic_dec_mb(&deve_tmp->pr_ref_count); core_scsi3_lunacl_undepend_item(deve_tmp); goto out; } @@ -754,8 +748,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration( spin_unlock_bh(&port->sep_alua_lock); spin_lock(&dev->se_port_lock); - atomic_dec(&port->sep_tg_pt_ref_cnt); - smp_mb__after_atomic(); + atomic_dec_mb(&port->sep_tg_pt_ref_cnt); } spin_unlock(&dev->se_port_lock); @@ -902,6 +895,7 @@ static int __core_scsi3_check_aptpl_registration( spin_lock(&pr_tmpl->aptpl_reg_lock); list_for_each_entry_safe(pr_reg, pr_reg_tmp, &pr_tmpl->aptpl_reg_list, pr_reg_aptpl_list) { + if (!strcmp(pr_reg->pr_iport, i_port) && (pr_reg->pr_res_mapped_lun == deve->mapped_lun) && !(strcmp(pr_reg->pr_tport, t_port)) && @@ -944,10 +938,10 @@ int core_scsi3_check_aptpl_registration( struct se_device *dev, struct se_portal_group *tpg, struct se_lun *lun, - struct se_lun_acl *lun_acl) + struct se_node_acl *nacl, + u32 mapped_lun) { - struct se_node_acl *nacl = lun_acl->se_lun_nacl; - struct se_dev_entry *deve = nacl->device_list[lun_acl->mapped_lun]; + struct se_dev_entry *deve = nacl->device_list[mapped_lun]; if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS) return 0; @@ -1109,8 +1103,7 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg( if (dev->dev_attrib.enforce_pr_isids) continue; } - atomic_inc(&pr_reg->pr_res_holders); - smp_mb__after_atomic(); + atomic_inc_mb(&pr_reg->pr_res_holders); spin_unlock(&pr_tmpl->registration_lock); return pr_reg; } @@ -1124,8 +1117,7 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg( if (strcmp(isid, pr_reg->pr_reg_isid)) continue; - atomic_inc(&pr_reg->pr_res_holders); - smp_mb__after_atomic(); + atomic_inc_mb(&pr_reg->pr_res_holders); spin_unlock(&pr_tmpl->registration_lock); return pr_reg; } @@ -1154,8 +1146,7 @@ static struct t10_pr_registration *core_scsi3_locate_pr_reg( static void core_scsi3_put_pr_reg(struct t10_pr_registration *pr_reg) { - atomic_dec(&pr_reg->pr_res_holders); - smp_mb__after_atomic(); + atomic_dec_mb(&pr_reg->pr_res_holders); } static int core_scsi3_check_implicit_release( @@ -1348,8 +1339,7 @@ static void core_scsi3_tpg_undepend_item(struct se_portal_group *tpg) configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys, &tpg->tpg_group.cg_item); - atomic_dec(&tpg->tpg_pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&tpg->tpg_pr_ref_count); } static int core_scsi3_nodeacl_depend_item(struct se_node_acl *nacl) @@ -1368,16 +1358,14 @@ static void core_scsi3_nodeacl_undepend_item(struct se_node_acl *nacl) struct se_portal_group *tpg = nacl->se_tpg; if (nacl->dynamic_node_acl) { - atomic_dec(&nacl->acl_pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&nacl->acl_pr_ref_count); return; } configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys, &nacl->acl_group.cg_item); - atomic_dec(&nacl->acl_pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&nacl->acl_pr_ref_count); } static int core_scsi3_lunacl_depend_item(struct se_dev_entry *se_deve) @@ -1407,8 +1395,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve) * For nacl->dynamic_node_acl=1 */ if (!lun_acl) { - atomic_dec(&se_deve->pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&se_deve->pr_ref_count); return; } nacl = lun_acl->se_lun_nacl; @@ -1417,8 +1404,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve) configfs_undepend_item(tpg->se_tpg_tfo->tf_subsys, &lun_acl->se_lun_group.cg_item); - atomic_dec(&se_deve->pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&se_deve->pr_ref_count); } static sense_reason_t @@ -1551,15 +1537,13 @@ core_scsi3_decode_spec_i_port( if (!i_str) continue; - atomic_inc(&tmp_tpg->tpg_pr_ref_count); - smp_mb__after_atomic(); + atomic_inc_mb(&tmp_tpg->tpg_pr_ref_count); spin_unlock(&dev->se_port_lock); if (core_scsi3_tpg_depend_item(tmp_tpg)) { pr_err(" core_scsi3_tpg_depend_item()" " for tmp_tpg\n"); - atomic_dec(&tmp_tpg->tpg_pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&tmp_tpg->tpg_pr_ref_count); ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto out_unmap; } @@ -1571,10 +1555,8 @@ core_scsi3_decode_spec_i_port( spin_lock_irq(&tmp_tpg->acl_node_lock); dest_node_acl = __core_tpg_get_initiator_node_acl( tmp_tpg, i_str); - if (dest_node_acl) { - atomic_inc(&dest_node_acl->acl_pr_ref_count); - smp_mb__after_atomic(); - } + if (dest_node_acl) + atomic_inc_mb(&dest_node_acl->acl_pr_ref_count); spin_unlock_irq(&tmp_tpg->acl_node_lock); if (!dest_node_acl) { @@ -1586,8 +1568,7 @@ core_scsi3_decode_spec_i_port( if (core_scsi3_nodeacl_depend_item(dest_node_acl)) { pr_err("configfs_depend_item() failed" " for dest_node_acl->acl_group\n"); - atomic_dec(&dest_node_acl->acl_pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&dest_node_acl->acl_pr_ref_count); core_scsi3_tpg_undepend_item(tmp_tpg); ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto out_unmap; @@ -1646,8 +1627,7 @@ core_scsi3_decode_spec_i_port( if (core_scsi3_lunacl_depend_item(dest_se_deve)) { pr_err("core_scsi3_lunacl_depend_item()" " failed\n"); - atomic_dec(&dest_se_deve->pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&dest_se_deve->pr_ref_count); core_scsi3_nodeacl_undepend_item(dest_node_acl); core_scsi3_tpg_undepend_item(dest_tpg); ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; @@ -3167,15 +3147,13 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, if (!dest_tf_ops) continue; - atomic_inc(&dest_se_tpg->tpg_pr_ref_count); - smp_mb__after_atomic(); + atomic_inc_mb(&dest_se_tpg->tpg_pr_ref_count); spin_unlock(&dev->se_port_lock); if (core_scsi3_tpg_depend_item(dest_se_tpg)) { pr_err("core_scsi3_tpg_depend_item() failed" " for dest_se_tpg\n"); - atomic_dec(&dest_se_tpg->tpg_pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&dest_se_tpg->tpg_pr_ref_count); ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto out_put_pr_reg; } @@ -3271,10 +3249,8 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, spin_lock_irq(&dest_se_tpg->acl_node_lock); dest_node_acl = __core_tpg_get_initiator_node_acl(dest_se_tpg, initiator_str); - if (dest_node_acl) { - atomic_inc(&dest_node_acl->acl_pr_ref_count); - smp_mb__after_atomic(); - } + if (dest_node_acl) + atomic_inc_mb(&dest_node_acl->acl_pr_ref_count); spin_unlock_irq(&dest_se_tpg->acl_node_lock); if (!dest_node_acl) { @@ -3288,8 +3264,7 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, if (core_scsi3_nodeacl_depend_item(dest_node_acl)) { pr_err("core_scsi3_nodeacl_depend_item() for" " dest_node_acl\n"); - atomic_dec(&dest_node_acl->acl_pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&dest_node_acl->acl_pr_ref_count); dest_node_acl = NULL; ret = TCM_INVALID_PARAMETER_LIST; goto out; @@ -3313,8 +3288,7 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, if (core_scsi3_lunacl_depend_item(dest_se_deve)) { pr_err("core_scsi3_lunacl_depend_item() failed\n"); - atomic_dec(&dest_se_deve->pr_ref_count); - smp_mb__after_atomic(); + atomic_dec_mb(&dest_se_deve->pr_ref_count); dest_se_deve = NULL; ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto out; @@ -3497,6 +3471,7 @@ static unsigned long long core_scsi3_extract_reservation_key(unsigned char *cdb) sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *cmd) { + struct se_device *dev = cmd->se_dev; unsigned char *cdb = &cmd->t_task_cdb[0]; unsigned char *buf; u64 res_key, sa_res_key; @@ -3561,6 +3536,13 @@ target_scsi3_emulate_pr_out(struct se_cmd *cmd) aptpl = (buf[17] & 0x01); unreg = (buf[17] & 0x02); } + /* + * If the backend device has been configured to force APTPL metadata + * write-out, go ahead and propigate aptpl=1 down now. + */ + if (dev->dev_attrib.force_pr_aptpl) + aptpl = 1; + transport_kunmap_data_sg(cmd); buf = NULL; @@ -3803,7 +3785,7 @@ core_scsi3_pri_report_capabilities(struct se_cmd *cmd) if (!buf) return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - buf[0] = ((add_len << 8) & 0xff); + buf[0] = ((add_len >> 8) & 0xff); buf[1] = (add_len & 0xff); buf[2] |= 0x10; /* CRH: Compatible Reservation Hanlding bit. */ buf[2] |= 0x08; /* SIP_C: Specify Initiator Ports Capable bit */ @@ -3879,8 +3861,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd) se_tpg = pr_reg->pr_reg_nacl->se_tpg; add_desc_len = 0; - atomic_inc(&pr_reg->pr_res_holders); - smp_mb__after_atomic(); + atomic_inc_mb(&pr_reg->pr_res_holders); spin_unlock(&pr_tmpl->registration_lock); /* * Determine expected length of $FABRIC_MOD specific @@ -3893,8 +3874,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd) pr_warn("SPC-3 PRIN READ_FULL_STATUS ran" " out of buffer: %d\n", cmd->data_length); spin_lock(&pr_tmpl->registration_lock); - atomic_dec(&pr_reg->pr_res_holders); - smp_mb__after_atomic(); + atomic_dec_mb(&pr_reg->pr_res_holders); break; } /* @@ -3955,8 +3935,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd) se_nacl, pr_reg, &format_code, &buf[off+4]); spin_lock(&pr_tmpl->registration_lock); - atomic_dec(&pr_reg->pr_res_holders); - smp_mb__after_atomic(); + atomic_dec_mb(&pr_reg->pr_res_holders); /* * Set the ADDITIONAL DESCRIPTOR LENGTH */ diff --git a/drivers/target/target_core_pr.h b/drivers/target/target_core_pr.h index 2ee2936fa0bd..749fd7bb7510 100644 --- a/drivers/target/target_core_pr.h +++ b/drivers/target/target_core_pr.h @@ -60,7 +60,7 @@ extern int core_scsi3_alloc_aptpl_registration( unsigned char *, u16, u32, int, int, u8); extern int core_scsi3_check_aptpl_registration(struct se_device *, struct se_portal_group *, struct se_lun *, - struct se_lun_acl *); + struct se_node_acl *, u32); extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *, struct se_node_acl *); extern void core_scsi3_free_all_registrations(struct se_device *); diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 70d9f6dabba0..7c8291f0bbbc 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -749,14 +749,18 @@ static ssize_t pscsi_set_configfs_dev_params(struct se_device *dev, ret = -EINVAL; goto out; } - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; pdv->pdv_host_id = arg; pr_debug("PSCSI[%d]: Referencing SCSI Host ID:" " %d\n", phv->phv_host_id, pdv->pdv_host_id); pdv->pdv_flags |= PDF_HAS_VIRT_HOST_ID; break; case Opt_scsi_channel_id: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; pdv->pdv_channel_id = arg; pr_debug("PSCSI[%d]: Referencing SCSI Channel" " ID: %d\n", phv->phv_host_id, @@ -764,7 +768,9 @@ static ssize_t pscsi_set_configfs_dev_params(struct se_device *dev, pdv->pdv_flags |= PDF_HAS_CHANNEL_ID; break; case Opt_scsi_target_id: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; pdv->pdv_target_id = arg; pr_debug("PSCSI[%d]: Referencing SCSI Target" " ID: %d\n", phv->phv_host_id, @@ -772,7 +778,9 @@ static ssize_t pscsi_set_configfs_dev_params(struct se_device *dev, pdv->pdv_flags |= PDF_HAS_TARGET_ID; break; case Opt_scsi_lun_id: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; pdv->pdv_lun_id = arg; pr_debug("PSCSI[%d]: Referencing SCSI LUN ID:" " %d\n", phv->phv_host_id, pdv->pdv_lun_id); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index bd78d9235ac6..ebe62afb957d 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -948,7 +948,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) } /* reject any command that we don't have a handler for */ - if (!(cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) && !cmd->execute_cmd) + if (!cmd->execute_cmd) return TCM_UNSUPPORTED_SCSI_OPCODE; if (cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) { diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index f7cd95e8111a..fa5e157db47b 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -64,21 +64,17 @@ int core_tmr_alloc_req( } EXPORT_SYMBOL(core_tmr_alloc_req); -void core_tmr_release_req( - struct se_tmr_req *tmr) +void core_tmr_release_req(struct se_tmr_req *tmr) { struct se_device *dev = tmr->tmr_dev; unsigned long flags; - if (!dev) { - kfree(tmr); - return; + if (dev) { + spin_lock_irqsave(&dev->se_tmr_lock, flags); + list_del(&tmr->tmr_list); + spin_unlock_irqrestore(&dev->se_tmr_lock, flags); } - spin_lock_irqsave(&dev->se_tmr_lock, flags); - list_del(&tmr->tmr_list); - spin_unlock_irqrestore(&dev->se_tmr_lock, flags); - kfree(tmr); } @@ -90,9 +86,8 @@ static void core_tmr_handle_tas_abort( bool remove = true; /* * TASK ABORTED status (TAS) bit support - */ - if ((tmr_nacl && - (tmr_nacl != cmd->se_sess->se_node_acl)) && tas) { + */ + if ((tmr_nacl && (tmr_nacl != cmd->se_sess->se_node_acl)) && tas) { remove = false; transport_send_task_abort(cmd); } @@ -120,13 +115,12 @@ void core_tmr_abort_task( struct se_tmr_req *tmr, struct se_session *se_sess) { - struct se_cmd *se_cmd, *tmp_cmd; + struct se_cmd *se_cmd; unsigned long flags; int ref_tag; spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); - list_for_each_entry_safe(se_cmd, tmp_cmd, - &se_sess->sess_cmd_list, se_cmd_list) { + list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) { if (dev != se_cmd->se_dev) continue; diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index be783f717f19..0696de9553d3 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -40,6 +40,7 @@ #include #include "target_core_internal.h" +#include "target_core_pr.h" extern struct se_device *g_lun0_dev; @@ -166,6 +167,13 @@ void core_tpg_add_node_to_devs( core_enable_device_list_for_node(lun, NULL, lun->unpacked_lun, lun_access, acl, tpg); + /* + * Check to see if there are any existing persistent reservation + * APTPL pre-registrations that need to be enabled for this dynamic + * LUN ACL now.. + */ + core_scsi3_check_aptpl_registration(dev, tpg, lun, acl, + lun->unpacked_lun); spin_lock(&tpg->tpg_lun_lock); } spin_unlock(&tpg->tpg_lun_lock); @@ -335,7 +343,7 @@ void core_tpg_clear_object_luns(struct se_portal_group *tpg) continue; spin_unlock(&tpg->tpg_lun_lock); - core_dev_del_lun(tpg, lun->unpacked_lun); + core_dev_del_lun(tpg, lun); spin_lock(&tpg->tpg_lun_lock); } spin_unlock(&tpg->tpg_lun_lock); @@ -663,13 +671,6 @@ static int core_tpg_setup_virtual_lun0(struct se_portal_group *se_tpg) return 0; } -static void core_tpg_release_virtual_lun0(struct se_portal_group *se_tpg) -{ - struct se_lun *lun = &se_tpg->tpg_virt_lun0; - - core_tpg_post_dellun(se_tpg, lun); -} - int core_tpg_register( struct target_core_fabric_ops *tfo, struct se_wwn *se_wwn, @@ -773,7 +774,7 @@ int core_tpg_deregister(struct se_portal_group *se_tpg) spin_unlock_irq(&se_tpg->acl_node_lock); if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) - core_tpg_release_virtual_lun0(se_tpg); + core_tpg_remove_lun(se_tpg, &se_tpg->tpg_virt_lun0); se_tpg->se_tpg_fabric_ptr = NULL; array_free(se_tpg->tpg_lun_list, TRANSPORT_MAX_LUNS_PER_TPG); @@ -838,37 +839,7 @@ int core_tpg_add_lun( return 0; } -struct se_lun *core_tpg_pre_dellun( - struct se_portal_group *tpg, - u32 unpacked_lun) -{ - struct se_lun *lun; - - if (unpacked_lun > (TRANSPORT_MAX_LUNS_PER_TPG-1)) { - pr_err("%s LUN: %u exceeds TRANSPORT_MAX_LUNS_PER_TPG" - "-1: %u for Target Portal Group: %u\n", - tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun, - TRANSPORT_MAX_LUNS_PER_TPG-1, - tpg->se_tpg_tfo->tpg_get_tag(tpg)); - return ERR_PTR(-EOVERFLOW); - } - - spin_lock(&tpg->tpg_lun_lock); - lun = tpg->tpg_lun_list[unpacked_lun]; - if (lun->lun_status != TRANSPORT_LUN_STATUS_ACTIVE) { - pr_err("%s Logical Unit Number: %u is not active on" - " Target Portal Group: %u, ignoring request.\n", - tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun, - tpg->se_tpg_tfo->tpg_get_tag(tpg)); - spin_unlock(&tpg->tpg_lun_lock); - return ERR_PTR(-ENODEV); - } - spin_unlock(&tpg->tpg_lun_lock); - - return lun; -} - -int core_tpg_post_dellun( +void core_tpg_remove_lun( struct se_portal_group *tpg, struct se_lun *lun) { @@ -882,6 +853,4 @@ int core_tpg_post_dellun( spin_unlock(&tpg->tpg_lun_lock); percpu_ref_exit(&lun->lun_ref); - - return 0; } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 7fa62fc93e0b..9ea0d5f03f7a 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -232,6 +232,10 @@ void transport_subsystem_check_init(void) if (ret != 0) pr_err("Unable to load target_core_pscsi\n"); + ret = request_module("target_core_user"); + if (ret != 0) + pr_err("Unable to load target_core_user\n"); + sub_api_initialized = 1; } @@ -752,8 +756,7 @@ void target_qf_do_work(struct work_struct *work) list_for_each_entry_safe(cmd, cmd_tmp, &qf_cmd_list, se_qf_node) { list_del(&cmd->se_qf_node); - atomic_dec(&dev->dev_qf_count); - smp_mb__after_atomic(); + atomic_dec_mb(&dev->dev_qf_count); pr_debug("Processing %s cmd: %p QUEUE_FULL in work queue" " context: %s\n", cmd->se_tfo->get_fabric_name(), cmd, @@ -1166,7 +1169,6 @@ transport_check_alloc_task_attr(struct se_cmd *cmd) * Dormant to Active status. */ cmd->se_ordered_id = atomic_inc_return(&dev->dev_ordered_id); - smp_mb__after_atomic(); pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n", cmd->se_ordered_id, cmd->sam_task_attr, dev->transport->name); @@ -1722,8 +1724,7 @@ static bool target_handle_task_attr(struct se_cmd *cmd) cmd->t_task_cdb[0], cmd->se_ordered_id); return false; case MSG_ORDERED_TAG: - atomic_inc(&dev->dev_ordered_sync); - smp_mb__after_atomic(); + atomic_inc_mb(&dev->dev_ordered_sync); pr_debug("Added ORDERED for CDB: 0x%02x to ordered list, " " se_ordered_id: %u\n", @@ -1740,8 +1741,7 @@ static bool target_handle_task_attr(struct se_cmd *cmd) /* * For SIMPLE and UNTAGGED Task Attribute commands */ - atomic_inc(&dev->simple_cmds); - smp_mb__after_atomic(); + atomic_inc_mb(&dev->simple_cmds); break; } @@ -1845,8 +1845,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd) return; if (cmd->sam_task_attr == MSG_SIMPLE_TAG) { - atomic_dec(&dev->simple_cmds); - smp_mb__after_atomic(); + atomic_dec_mb(&dev->simple_cmds); dev->dev_cur_ordered_id++; pr_debug("Incremented dev->dev_cur_ordered_id: %u for" " SIMPLE: %u\n", dev->dev_cur_ordered_id, @@ -1857,8 +1856,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd) " HEAD_OF_QUEUE: %u\n", dev->dev_cur_ordered_id, cmd->se_ordered_id); } else if (cmd->sam_task_attr == MSG_ORDERED_TAG) { - atomic_dec(&dev->dev_ordered_sync); - smp_mb__after_atomic(); + atomic_dec_mb(&dev->dev_ordered_sync); dev->dev_cur_ordered_id++; pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:" @@ -1877,8 +1875,7 @@ static void transport_complete_qf(struct se_cmd *cmd) if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) { trace_target_cmd_complete(cmd); ret = cmd->se_tfo->queue_status(cmd); - if (ret) - goto out; + goto out; } switch (cmd->data_direction) { @@ -1916,8 +1913,7 @@ static void transport_handle_queue_full( { spin_lock_irq(&dev->qf_cmd_lock); list_add_tail(&cmd->se_qf_node, &cmd->se_dev->qf_cmd_list); - atomic_inc(&dev->dev_qf_count); - smp_mb__after_atomic(); + atomic_inc_mb(&dev->dev_qf_count); spin_unlock_irq(&cmd->se_dev->qf_cmd_lock); schedule_work(&cmd->se_dev->qf_work_queue); @@ -2896,7 +2892,6 @@ void transport_send_task_abort(struct se_cmd *cmd) if (cmd->se_tfo->write_pending_status(cmd) != 0) { cmd->transport_state |= CMD_T_ABORTED; cmd->se_cmd_flags |= SCF_SEND_DELAYED_TAS; - smp_mb__after_atomic(); return; } } diff --git a/drivers/target/target_core_ua.c b/drivers/target/target_core_ua.c index 101858e245b3..1738b1646988 100644 --- a/drivers/target/target_core_ua.c +++ b/drivers/target/target_core_ua.c @@ -161,8 +161,7 @@ int core_scsi3_ua_allocate( spin_unlock(&deve->ua_lock); spin_unlock_irq(&nacl->device_list_lock); - atomic_inc(&deve->ua_count); - smp_mb__after_atomic(); + atomic_inc_mb(&deve->ua_count); return 0; } list_add_tail(&ua->ua_nacl_list, &deve->ua_list); @@ -174,8 +173,7 @@ int core_scsi3_ua_allocate( nacl->se_tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun, asc, ascq); - atomic_inc(&deve->ua_count); - smp_mb__after_atomic(); + atomic_inc_mb(&deve->ua_count); return 0; } @@ -189,8 +187,7 @@ void core_scsi3_ua_release_all( list_del(&ua->ua_nacl_list); kmem_cache_free(se_ua_cache, ua); - atomic_dec(&deve->ua_count); - smp_mb__after_atomic(); + atomic_dec_mb(&deve->ua_count); } spin_unlock(&deve->ua_lock); } @@ -250,8 +247,7 @@ void core_scsi3_ua_for_check_condition( list_del(&ua->ua_nacl_list); kmem_cache_free(se_ua_cache, ua); - atomic_dec(&deve->ua_count); - smp_mb__after_atomic(); + atomic_dec_mb(&deve->ua_count); } spin_unlock(&deve->ua_lock); spin_unlock_irq(&nacl->device_list_lock); @@ -309,8 +305,7 @@ int core_scsi3_ua_clear_for_request_sense( list_del(&ua->ua_nacl_list); kmem_cache_free(se_ua_cache, ua); - atomic_dec(&deve->ua_count); - smp_mb__after_atomic(); + atomic_dec_mb(&deve->ua_count); } spin_unlock(&deve->ua_lock); spin_unlock_irq(&nacl->device_list_lock); diff --git a/drivers/target/target_core_ua.h b/drivers/target/target_core_ua.h index be912b36daae..a6b56b364e7a 100644 --- a/drivers/target/target_core_ua.h +++ b/drivers/target/target_core_ua.h @@ -1,4 +1,5 @@ #ifndef TARGET_CORE_UA_H +#define TARGET_CORE_UA_H /* * From spc4r17, Table D.1: ASC and ASCQ Assignement diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c new file mode 100644 index 000000000000..9a1b314f6482 --- /dev/null +++ b/drivers/target/target_core_user.c @@ -0,0 +1,1167 @@ +/* + * Copyright (C) 2013 Shaohua Li + * Copyright (C) 2014 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Define a shared-memory interface for LIO to pass SCSI commands and + * data to userspace for processing. This is to allow backends that + * are too complex for in-kernel support to be possible. + * + * It uses the UIO framework to do a lot of the device-creation and + * introspection work for us. + * + * See the .h file for how the ring is laid out. Note that while the + * command ring is defined, the particulars of the data area are + * not. Offset values in the command entry point to other locations + * internal to the mmap()ed area. There is separate space outside the + * command ring for data buffers. This leaves maximum flexibility for + * moving buffer allocations, or even page flipping or other + * allocation techniques, without altering the command ring layout. + * + * SECURITY: + * The user process must be assumed to be malicious. There's no way to + * prevent it breaking the command ring protocol if it wants, but in + * order to prevent other issues we must only ever read *data* from + * the shared memory area, not offsets or sizes. This applies to + * command ring entries as well as the mailbox. Extra code needed for + * this may have a 'UAM' comment. + */ + + +#define TCMU_TIME_OUT (30 * MSEC_PER_SEC) + +#define CMDR_SIZE (16 * 4096) +#define DATA_SIZE (257 * 4096) + +#define TCMU_RING_SIZE (CMDR_SIZE + DATA_SIZE) + +static struct device *tcmu_root_device; + +struct tcmu_hba { + u32 host_id; +}; + +/* User wants all cmds or just some */ +enum passthru_level { + TCMU_PASS_ALL = 0, + TCMU_PASS_IO, + TCMU_PASS_INVALID, +}; + +#define TCMU_CONFIG_LEN 256 + +struct tcmu_dev { + struct se_device se_dev; + + char *name; + struct se_hba *hba; + +#define TCMU_DEV_BIT_OPEN 0 +#define TCMU_DEV_BIT_BROKEN 1 + unsigned long flags; + enum passthru_level pass_level; + + struct uio_info uio_info; + + struct tcmu_mailbox *mb_addr; + size_t dev_size; + u32 cmdr_size; + u32 cmdr_last_cleaned; + /* Offset of data ring from start of mb */ + size_t data_off; + size_t data_size; + /* Ring head + tail values. */ + /* Must add data_off and mb_addr to get the address */ + size_t data_head; + size_t data_tail; + + wait_queue_head_t wait_cmdr; + /* TODO should this be a mutex? */ + spinlock_t cmdr_lock; + + struct idr commands; + spinlock_t commands_lock; + + struct timer_list timeout; + + char dev_config[TCMU_CONFIG_LEN]; +}; + +#define TCMU_DEV(_se_dev) container_of(_se_dev, struct tcmu_dev, se_dev) + +#define CMDR_OFF sizeof(struct tcmu_mailbox) + +struct tcmu_cmd { + struct se_cmd *se_cmd; + struct tcmu_dev *tcmu_dev; + + uint16_t cmd_id; + + /* Can't use se_cmd->data_length when cleaning up expired cmds, because if + cmd has been completed then accessing se_cmd is off limits */ + size_t data_length; + + unsigned long deadline; + +#define TCMU_CMD_BIT_EXPIRED 0 + unsigned long flags; +}; + +static struct kmem_cache *tcmu_cmd_cache; + +/* multicast group */ +enum tcmu_multicast_groups { + TCMU_MCGRP_CONFIG, +}; + +static const struct genl_multicast_group tcmu_mcgrps[] = { + [TCMU_MCGRP_CONFIG] = { .name = "config", }, +}; + +/* Our generic netlink family */ +static struct genl_family tcmu_genl_family = { + .id = GENL_ID_GENERATE, + .hdrsize = 0, + .name = "TCM-USER", + .version = 1, + .maxattr = TCMU_ATTR_MAX, + .mcgrps = tcmu_mcgrps, + .n_mcgrps = ARRAY_SIZE(tcmu_mcgrps), +}; + +static struct tcmu_cmd *tcmu_alloc_cmd(struct se_cmd *se_cmd) +{ + struct se_device *se_dev = se_cmd->se_dev; + struct tcmu_dev *udev = TCMU_DEV(se_dev); + struct tcmu_cmd *tcmu_cmd; + int cmd_id; + + tcmu_cmd = kmem_cache_zalloc(tcmu_cmd_cache, GFP_KERNEL); + if (!tcmu_cmd) + return NULL; + + tcmu_cmd->se_cmd = se_cmd; + tcmu_cmd->tcmu_dev = udev; + tcmu_cmd->data_length = se_cmd->data_length; + + tcmu_cmd->deadline = jiffies + msecs_to_jiffies(TCMU_TIME_OUT); + + idr_preload(GFP_KERNEL); + spin_lock_irq(&udev->commands_lock); + cmd_id = idr_alloc(&udev->commands, tcmu_cmd, 0, + USHRT_MAX, GFP_NOWAIT); + spin_unlock_irq(&udev->commands_lock); + idr_preload_end(); + + if (cmd_id < 0) { + kmem_cache_free(tcmu_cmd_cache, tcmu_cmd); + return NULL; + } + tcmu_cmd->cmd_id = cmd_id; + + return tcmu_cmd; +} + +static inline void tcmu_flush_dcache_range(void *vaddr, size_t size) +{ + unsigned long offset = (unsigned long) vaddr & ~PAGE_MASK; + + size = round_up(size+offset, PAGE_SIZE); + vaddr -= offset; + + while (size) { + flush_dcache_page(virt_to_page(vaddr)); + size -= PAGE_SIZE; + } +} + +/* + * Some ring helper functions. We don't assume size is a power of 2 so + * we can't use circ_buf.h. + */ +static inline size_t spc_used(size_t head, size_t tail, size_t size) +{ + int diff = head - tail; + + if (diff >= 0) + return diff; + else + return size + diff; +} + +static inline size_t spc_free(size_t head, size_t tail, size_t size) +{ + /* Keep 1 byte unused or we can't tell full from empty */ + return (size - spc_used(head, tail, size) - 1); +} + +static inline size_t head_to_end(size_t head, size_t size) +{ + return size - head; +} + +#define UPDATE_HEAD(head, used, size) smp_store_release(&head, ((head % size) + used) % size) + +/* + * We can't queue a command until we have space available on the cmd ring *and* space + * space avail on the data ring. + * + * Called with ring lock held. + */ +static bool is_ring_space_avail(struct tcmu_dev *udev, size_t cmd_size, size_t data_needed) +{ + struct tcmu_mailbox *mb = udev->mb_addr; + size_t space; + u32 cmd_head; + size_t cmd_needed; + + tcmu_flush_dcache_range(mb, sizeof(*mb)); + + cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ + + /* + * If cmd end-of-ring space is too small then we need space for a NOP plus + * original cmd - cmds are internally contiguous. + */ + if (head_to_end(cmd_head, udev->cmdr_size) >= cmd_size) + cmd_needed = cmd_size; + else + cmd_needed = cmd_size + head_to_end(cmd_head, udev->cmdr_size); + + space = spc_free(cmd_head, udev->cmdr_last_cleaned, udev->cmdr_size); + if (space < cmd_needed) { + pr_debug("no cmd space: %u %u %u\n", cmd_head, + udev->cmdr_last_cleaned, udev->cmdr_size); + return false; + } + + space = spc_free(udev->data_head, udev->data_tail, udev->data_size); + if (space < data_needed) { + pr_debug("no data space: %zu %zu %zu\n", udev->data_head, + udev->data_tail, udev->data_size); + return false; + } + + return true; +} + +static int tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) +{ + struct tcmu_dev *udev = tcmu_cmd->tcmu_dev; + struct se_cmd *se_cmd = tcmu_cmd->se_cmd; + size_t base_command_size, command_size; + struct tcmu_mailbox *mb; + struct tcmu_cmd_entry *entry; + int i; + struct scatterlist *sg; + struct iovec *iov; + int iov_cnt = 0; + uint32_t cmd_head; + uint64_t cdb_off; + + if (test_bit(TCMU_DEV_BIT_BROKEN, &udev->flags)) + return -EINVAL; + + /* + * Must be a certain minimum size for response sense info, but + * also may be larger if the iov array is large. + * + * iovs = sgl_nents+1, for end-of-ring case, plus another 1 + * b/c size == offsetof one-past-element. + */ + base_command_size = max(offsetof(struct tcmu_cmd_entry, + req.iov[se_cmd->t_data_nents + 2]), + sizeof(struct tcmu_cmd_entry)); + command_size = base_command_size + + round_up(scsi_command_size(se_cmd->t_task_cdb), TCMU_OP_ALIGN_SIZE); + + WARN_ON(command_size & (TCMU_OP_ALIGN_SIZE-1)); + + spin_lock_irq(&udev->cmdr_lock); + + mb = udev->mb_addr; + cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ + if ((command_size > (udev->cmdr_size / 2)) + || tcmu_cmd->data_length > (udev->data_size - 1)) + pr_warn("TCMU: Request of size %zu/%zu may be too big for %u/%zu " + "cmd/data ring buffers\n", command_size, tcmu_cmd->data_length, + udev->cmdr_size, udev->data_size); + + while (!is_ring_space_avail(udev, command_size, tcmu_cmd->data_length)) { + int ret; + DEFINE_WAIT(__wait); + + prepare_to_wait(&udev->wait_cmdr, &__wait, TASK_INTERRUPTIBLE); + + pr_debug("sleeping for ring space\n"); + spin_unlock_irq(&udev->cmdr_lock); + ret = schedule_timeout(msecs_to_jiffies(TCMU_TIME_OUT)); + finish_wait(&udev->wait_cmdr, &__wait); + if (!ret) { + pr_warn("tcmu: command timed out\n"); + return -ETIMEDOUT; + } + + spin_lock_irq(&udev->cmdr_lock); + + /* We dropped cmdr_lock, cmd_head is stale */ + cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ + } + + /* Insert a PAD if end-of-ring space is too small */ + if (head_to_end(cmd_head, udev->cmdr_size) < command_size) { + size_t pad_size = head_to_end(cmd_head, udev->cmdr_size); + + entry = (void *) mb + CMDR_OFF + cmd_head; + tcmu_flush_dcache_range(entry, sizeof(*entry)); + tcmu_hdr_set_op(&entry->hdr, TCMU_OP_PAD); + tcmu_hdr_set_len(&entry->hdr, pad_size); + + UPDATE_HEAD(mb->cmd_head, pad_size, udev->cmdr_size); + + cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ + WARN_ON(cmd_head != 0); + } + + entry = (void *) mb + CMDR_OFF + cmd_head; + tcmu_flush_dcache_range(entry, sizeof(*entry)); + tcmu_hdr_set_op(&entry->hdr, TCMU_OP_CMD); + tcmu_hdr_set_len(&entry->hdr, command_size); + entry->cmd_id = tcmu_cmd->cmd_id; + + /* + * Fix up iovecs, and handle if allocation in data ring wrapped. + */ + iov = &entry->req.iov[0]; + for_each_sg(se_cmd->t_data_sg, sg, se_cmd->t_data_nents, i) { + size_t copy_bytes = min((size_t)sg->length, + head_to_end(udev->data_head, udev->data_size)); + void *from = kmap_atomic(sg_page(sg)) + sg->offset; + void *to = (void *) mb + udev->data_off + udev->data_head; + + if (tcmu_cmd->se_cmd->data_direction == DMA_TO_DEVICE) { + memcpy(to, from, copy_bytes); + tcmu_flush_dcache_range(to, copy_bytes); + } + + /* Even iov_base is relative to mb_addr */ + iov->iov_len = copy_bytes; + iov->iov_base = (void *) udev->data_off + udev->data_head; + iov_cnt++; + iov++; + + UPDATE_HEAD(udev->data_head, copy_bytes, udev->data_size); + + /* Uh oh, we wrapped the buffer. Must split sg across 2 iovs. */ + if (sg->length != copy_bytes) { + from += copy_bytes; + copy_bytes = sg->length - copy_bytes; + + iov->iov_len = copy_bytes; + iov->iov_base = (void *) udev->data_off + udev->data_head; + + if (se_cmd->data_direction == DMA_TO_DEVICE) { + to = (void *) mb + udev->data_off + udev->data_head; + memcpy(to, from, copy_bytes); + tcmu_flush_dcache_range(to, copy_bytes); + } + + iov_cnt++; + iov++; + + UPDATE_HEAD(udev->data_head, copy_bytes, udev->data_size); + } + + kunmap_atomic(from); + } + entry->req.iov_cnt = iov_cnt; + + /* All offsets relative to mb_addr, not start of entry! */ + cdb_off = CMDR_OFF + cmd_head + base_command_size; + memcpy((void *) mb + cdb_off, se_cmd->t_task_cdb, scsi_command_size(se_cmd->t_task_cdb)); + entry->req.cdb_off = cdb_off; + tcmu_flush_dcache_range(entry, sizeof(*entry)); + + UPDATE_HEAD(mb->cmd_head, command_size, udev->cmdr_size); + tcmu_flush_dcache_range(mb, sizeof(*mb)); + + spin_unlock_irq(&udev->cmdr_lock); + + /* TODO: only if FLUSH and FUA? */ + uio_event_notify(&udev->uio_info); + + mod_timer(&udev->timeout, + round_jiffies_up(jiffies + msecs_to_jiffies(TCMU_TIME_OUT))); + + return 0; +} + +static int tcmu_queue_cmd(struct se_cmd *se_cmd) +{ + struct se_device *se_dev = se_cmd->se_dev; + struct tcmu_dev *udev = TCMU_DEV(se_dev); + struct tcmu_cmd *tcmu_cmd; + int ret; + + tcmu_cmd = tcmu_alloc_cmd(se_cmd); + if (!tcmu_cmd) + return -ENOMEM; + + ret = tcmu_queue_cmd_ring(tcmu_cmd); + if (ret < 0) { + pr_err("TCMU: Could not queue command\n"); + spin_lock_irq(&udev->commands_lock); + idr_remove(&udev->commands, tcmu_cmd->cmd_id); + spin_unlock_irq(&udev->commands_lock); + + kmem_cache_free(tcmu_cmd_cache, tcmu_cmd); + } + + return ret; +} + +static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *entry) +{ + struct se_cmd *se_cmd = cmd->se_cmd; + struct tcmu_dev *udev = cmd->tcmu_dev; + + if (test_bit(TCMU_CMD_BIT_EXPIRED, &cmd->flags)) { + /* cmd has been completed already from timeout, just reclaim data + ring space */ + UPDATE_HEAD(udev->data_tail, cmd->data_length, udev->data_size); + return; + } + + if (entry->rsp.scsi_status == SAM_STAT_CHECK_CONDITION) { + memcpy(se_cmd->sense_buffer, entry->rsp.sense_buffer, + se_cmd->scsi_sense_length); + + UPDATE_HEAD(udev->data_tail, cmd->data_length, udev->data_size); + } + else if (se_cmd->data_direction == DMA_FROM_DEVICE) { + struct scatterlist *sg; + int i; + + /* It'd be easier to look at entry's iovec again, but UAM */ + for_each_sg(se_cmd->t_data_sg, sg, se_cmd->t_data_nents, i) { + size_t copy_bytes; + void *to; + void *from; + + copy_bytes = min((size_t)sg->length, + head_to_end(udev->data_tail, udev->data_size)); + + to = kmap_atomic(sg_page(sg)) + sg->offset; + WARN_ON(sg->length + sg->offset > PAGE_SIZE); + from = (void *) udev->mb_addr + udev->data_off + udev->data_tail; + tcmu_flush_dcache_range(from, copy_bytes); + memcpy(to, from, copy_bytes); + + UPDATE_HEAD(udev->data_tail, copy_bytes, udev->data_size); + + /* Uh oh, wrapped the data buffer for this sg's data */ + if (sg->length != copy_bytes) { + from = (void *) udev->mb_addr + udev->data_off + udev->data_tail; + WARN_ON(udev->data_tail); + to += copy_bytes; + copy_bytes = sg->length - copy_bytes; + tcmu_flush_dcache_range(from, copy_bytes); + memcpy(to, from, copy_bytes); + + UPDATE_HEAD(udev->data_tail, copy_bytes, udev->data_size); + } + + kunmap_atomic(to); + } + + } else if (se_cmd->data_direction == DMA_TO_DEVICE) { + UPDATE_HEAD(udev->data_tail, cmd->data_length, udev->data_size); + } else { + pr_warn("TCMU: data direction was %d!\n", se_cmd->data_direction); + } + + target_complete_cmd(cmd->se_cmd, entry->rsp.scsi_status); + cmd->se_cmd = NULL; + + kmem_cache_free(tcmu_cmd_cache, cmd); +} + +static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) +{ + struct tcmu_mailbox *mb; + LIST_HEAD(cpl_cmds); + unsigned long flags; + int handled = 0; + + if (test_bit(TCMU_DEV_BIT_BROKEN, &udev->flags)) { + pr_err("ring broken, not handling completions\n"); + return 0; + } + + spin_lock_irqsave(&udev->cmdr_lock, flags); + + mb = udev->mb_addr; + tcmu_flush_dcache_range(mb, sizeof(*mb)); + + while (udev->cmdr_last_cleaned != ACCESS_ONCE(mb->cmd_tail)) { + + struct tcmu_cmd_entry *entry = (void *) mb + CMDR_OFF + udev->cmdr_last_cleaned; + struct tcmu_cmd *cmd; + + tcmu_flush_dcache_range(entry, sizeof(*entry)); + + if (tcmu_hdr_get_op(&entry->hdr) == TCMU_OP_PAD) { + UPDATE_HEAD(udev->cmdr_last_cleaned, tcmu_hdr_get_len(&entry->hdr), udev->cmdr_size); + continue; + } + WARN_ON(tcmu_hdr_get_op(&entry->hdr) != TCMU_OP_CMD); + + spin_lock(&udev->commands_lock); + cmd = idr_find(&udev->commands, entry->cmd_id); + if (cmd) + idr_remove(&udev->commands, cmd->cmd_id); + spin_unlock(&udev->commands_lock); + + if (!cmd) { + pr_err("cmd_id not found, ring is broken\n"); + set_bit(TCMU_DEV_BIT_BROKEN, &udev->flags); + break; + } + + tcmu_handle_completion(cmd, entry); + + UPDATE_HEAD(udev->cmdr_last_cleaned, tcmu_hdr_get_len(&entry->hdr), udev->cmdr_size); + + handled++; + } + + if (mb->cmd_tail == mb->cmd_head) + del_timer(&udev->timeout); /* no more pending cmds */ + + spin_unlock_irqrestore(&udev->cmdr_lock, flags); + + wake_up(&udev->wait_cmdr); + + return handled; +} + +static int tcmu_check_expired_cmd(int id, void *p, void *data) +{ + struct tcmu_cmd *cmd = p; + + if (test_bit(TCMU_CMD_BIT_EXPIRED, &cmd->flags)) + return 0; + + if (!time_after(cmd->deadline, jiffies)) + return 0; + + set_bit(TCMU_CMD_BIT_EXPIRED, &cmd->flags); + target_complete_cmd(cmd->se_cmd, SAM_STAT_CHECK_CONDITION); + cmd->se_cmd = NULL; + + kmem_cache_free(tcmu_cmd_cache, cmd); + + return 0; +} + +static void tcmu_device_timedout(unsigned long data) +{ + struct tcmu_dev *udev = (struct tcmu_dev *)data; + unsigned long flags; + int handled; + + handled = tcmu_handle_completions(udev); + + pr_warn("%d completions handled from timeout\n", handled); + + spin_lock_irqsave(&udev->commands_lock, flags); + idr_for_each(&udev->commands, tcmu_check_expired_cmd, NULL); + spin_unlock_irqrestore(&udev->commands_lock, flags); + + /* + * We don't need to wakeup threads on wait_cmdr since they have their + * own timeout. + */ +} + +static int tcmu_attach_hba(struct se_hba *hba, u32 host_id) +{ + struct tcmu_hba *tcmu_hba; + + tcmu_hba = kzalloc(sizeof(struct tcmu_hba), GFP_KERNEL); + if (!tcmu_hba) + return -ENOMEM; + + tcmu_hba->host_id = host_id; + hba->hba_ptr = tcmu_hba; + + return 0; +} + +static void tcmu_detach_hba(struct se_hba *hba) +{ + kfree(hba->hba_ptr); + hba->hba_ptr = NULL; +} + +static struct se_device *tcmu_alloc_device(struct se_hba *hba, const char *name) +{ + struct tcmu_dev *udev; + + udev = kzalloc(sizeof(struct tcmu_dev), GFP_KERNEL); + if (!udev) + return NULL; + + udev->name = kstrdup(name, GFP_KERNEL); + if (!udev->name) { + kfree(udev); + return NULL; + } + + udev->hba = hba; + + init_waitqueue_head(&udev->wait_cmdr); + spin_lock_init(&udev->cmdr_lock); + + idr_init(&udev->commands); + spin_lock_init(&udev->commands_lock); + + setup_timer(&udev->timeout, tcmu_device_timedout, + (unsigned long)udev); + + udev->pass_level = TCMU_PASS_ALL; + + return &udev->se_dev; +} + +static int tcmu_irqcontrol(struct uio_info *info, s32 irq_on) +{ + struct tcmu_dev *tcmu_dev = container_of(info, struct tcmu_dev, uio_info); + + tcmu_handle_completions(tcmu_dev); + + return 0; +} + +/* + * mmap code from uio.c. Copied here because we want to hook mmap() + * and this stuff must come along. + */ +static int tcmu_find_mem_index(struct vm_area_struct *vma) +{ + struct tcmu_dev *udev = vma->vm_private_data; + struct uio_info *info = &udev->uio_info; + + if (vma->vm_pgoff < MAX_UIO_MAPS) { + if (info->mem[vma->vm_pgoff].size == 0) + return -1; + return (int)vma->vm_pgoff; + } + return -1; +} + +static int tcmu_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +{ + struct tcmu_dev *udev = vma->vm_private_data; + struct uio_info *info = &udev->uio_info; + struct page *page; + unsigned long offset; + void *addr; + + int mi = tcmu_find_mem_index(vma); + if (mi < 0) + return VM_FAULT_SIGBUS; + + /* + * We need to subtract mi because userspace uses offset = N*PAGE_SIZE + * to use mem[N]. + */ + offset = (vmf->pgoff - mi) << PAGE_SHIFT; + + addr = (void *)(unsigned long)info->mem[mi].addr + offset; + if (info->mem[mi].memtype == UIO_MEM_LOGICAL) + page = virt_to_page(addr); + else + page = vmalloc_to_page(addr); + get_page(page); + vmf->page = page; + return 0; +} + +static const struct vm_operations_struct tcmu_vm_ops = { + .fault = tcmu_vma_fault, +}; + +static int tcmu_mmap(struct uio_info *info, struct vm_area_struct *vma) +{ + struct tcmu_dev *udev = container_of(info, struct tcmu_dev, uio_info); + + vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; + vma->vm_ops = &tcmu_vm_ops; + + vma->vm_private_data = udev; + + /* Ensure the mmap is exactly the right size */ + if (vma_pages(vma) != (TCMU_RING_SIZE >> PAGE_SHIFT)) + return -EINVAL; + + return 0; +} + +static int tcmu_open(struct uio_info *info, struct inode *inode) +{ + struct tcmu_dev *udev = container_of(info, struct tcmu_dev, uio_info); + + /* O_EXCL not supported for char devs, so fake it? */ + if (test_and_set_bit(TCMU_DEV_BIT_OPEN, &udev->flags)) + return -EBUSY; + + pr_debug("open\n"); + + return 0; +} + +static int tcmu_release(struct uio_info *info, struct inode *inode) +{ + struct tcmu_dev *udev = container_of(info, struct tcmu_dev, uio_info); + + clear_bit(TCMU_DEV_BIT_OPEN, &udev->flags); + + pr_debug("close\n"); + + return 0; +} + +static int tcmu_netlink_event(enum tcmu_genl_cmd cmd, const char *name, int minor) +{ + struct sk_buff *skb; + void *msg_header; + int ret = -ENOMEM; + + skb = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!skb) + return ret; + + msg_header = genlmsg_put(skb, 0, 0, &tcmu_genl_family, 0, cmd); + if (!msg_header) + goto free_skb; + + ret = nla_put_string(skb, TCMU_ATTR_DEVICE, name); + if (ret < 0) + goto free_skb; + + ret = nla_put_u32(skb, TCMU_ATTR_MINOR, minor); + if (ret < 0) + goto free_skb; + + ret = genlmsg_end(skb, msg_header); + if (ret < 0) + goto free_skb; + + ret = genlmsg_multicast(&tcmu_genl_family, skb, 0, + TCMU_MCGRP_CONFIG, GFP_KERNEL); + + /* We don't care if no one is listening */ + if (ret == -ESRCH) + ret = 0; + + return ret; +free_skb: + nlmsg_free(skb); + return ret; +} + +static int tcmu_configure_device(struct se_device *dev) +{ + struct tcmu_dev *udev = TCMU_DEV(dev); + struct tcmu_hba *hba = udev->hba->hba_ptr; + struct uio_info *info; + struct tcmu_mailbox *mb; + size_t size; + size_t used; + int ret = 0; + char *str; + + info = &udev->uio_info; + + size = snprintf(NULL, 0, "tcm-user/%u/%s/%s", hba->host_id, udev->name, + udev->dev_config); + size += 1; /* for \0 */ + str = kmalloc(size, GFP_KERNEL); + if (!str) + return -ENOMEM; + + used = snprintf(str, size, "tcm-user/%u/%s", hba->host_id, udev->name); + + if (udev->dev_config[0]) + snprintf(str + used, size - used, "/%s", udev->dev_config); + + info->name = str; + + udev->mb_addr = vzalloc(TCMU_RING_SIZE); + if (!udev->mb_addr) { + ret = -ENOMEM; + goto err_vzalloc; + } + + /* mailbox fits in first part of CMDR space */ + udev->cmdr_size = CMDR_SIZE - CMDR_OFF; + udev->data_off = CMDR_SIZE; + udev->data_size = TCMU_RING_SIZE - CMDR_SIZE; + + mb = udev->mb_addr; + mb->version = 1; + mb->cmdr_off = CMDR_OFF; + mb->cmdr_size = udev->cmdr_size; + + WARN_ON(!PAGE_ALIGNED(udev->data_off)); + WARN_ON(udev->data_size % PAGE_SIZE); + + info->version = "1"; + + info->mem[0].name = "tcm-user command & data buffer"; + info->mem[0].addr = (phys_addr_t) udev->mb_addr; + info->mem[0].size = TCMU_RING_SIZE; + info->mem[0].memtype = UIO_MEM_VIRTUAL; + + info->irqcontrol = tcmu_irqcontrol; + info->irq = UIO_IRQ_CUSTOM; + + info->mmap = tcmu_mmap; + info->open = tcmu_open; + info->release = tcmu_release; + + ret = uio_register_device(tcmu_root_device, info); + if (ret) + goto err_register; + + /* Other attributes can be configured in userspace */ + dev->dev_attrib.hw_block_size = 512; + dev->dev_attrib.hw_max_sectors = 128; + dev->dev_attrib.hw_queue_depth = 128; + + ret = tcmu_netlink_event(TCMU_CMD_ADDED_DEVICE, udev->uio_info.name, + udev->uio_info.uio_dev->minor); + if (ret) + goto err_netlink; + + return 0; + +err_netlink: + uio_unregister_device(&udev->uio_info); +err_register: + vfree(udev->mb_addr); +err_vzalloc: + kfree(info->name); + + return ret; +} + +static int tcmu_check_pending_cmd(int id, void *p, void *data) +{ + struct tcmu_cmd *cmd = p; + + if (test_bit(TCMU_CMD_BIT_EXPIRED, &cmd->flags)) + return 0; + return -EINVAL; +} + +static void tcmu_free_device(struct se_device *dev) +{ + struct tcmu_dev *udev = TCMU_DEV(dev); + int i; + + del_timer_sync(&udev->timeout); + + vfree(udev->mb_addr); + + /* Upper layer should drain all requests before calling this */ + spin_lock_irq(&udev->commands_lock); + i = idr_for_each(&udev->commands, tcmu_check_pending_cmd, NULL); + idr_destroy(&udev->commands); + spin_unlock_irq(&udev->commands_lock); + WARN_ON(i); + + /* Device was configured */ + if (udev->uio_info.uio_dev) { + tcmu_netlink_event(TCMU_CMD_REMOVED_DEVICE, udev->uio_info.name, + udev->uio_info.uio_dev->minor); + + uio_unregister_device(&udev->uio_info); + kfree(udev->uio_info.name); + kfree(udev->name); + } + + kfree(udev); +} + +enum { + Opt_dev_config, Opt_dev_size, Opt_err, Opt_pass_level, +}; + +static match_table_t tokens = { + {Opt_dev_config, "dev_config=%s"}, + {Opt_dev_size, "dev_size=%u"}, + {Opt_pass_level, "pass_level=%u"}, + {Opt_err, NULL} +}; + +static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev, + const char *page, ssize_t count) +{ + struct tcmu_dev *udev = TCMU_DEV(dev); + char *orig, *ptr, *opts, *arg_p; + substring_t args[MAX_OPT_ARGS]; + int ret = 0, token; + int arg; + + opts = kstrdup(page, GFP_KERNEL); + if (!opts) + return -ENOMEM; + + orig = opts; + + while ((ptr = strsep(&opts, ",\n")) != NULL) { + if (!*ptr) + continue; + + token = match_token(ptr, tokens, args); + switch (token) { + case Opt_dev_config: + if (match_strlcpy(udev->dev_config, &args[0], + TCMU_CONFIG_LEN) == 0) { + ret = -EINVAL; + break; + } + pr_debug("TCMU: Referencing Path: %s\n", udev->dev_config); + break; + case Opt_dev_size: + arg_p = match_strdup(&args[0]); + if (!arg_p) { + ret = -ENOMEM; + break; + } + ret = kstrtoul(arg_p, 0, (unsigned long *) &udev->dev_size); + kfree(arg_p); + if (ret < 0) + pr_err("kstrtoul() failed for dev_size=\n"); + break; + case Opt_pass_level: + match_int(args, &arg); + if (arg >= TCMU_PASS_INVALID) { + pr_warn("TCMU: Invalid pass_level: %d\n", arg); + break; + } + + pr_debug("TCMU: Setting pass_level to %d\n", arg); + udev->pass_level = arg; + break; + default: + break; + } + } + + kfree(orig); + return (!ret) ? count : ret; +} + +static ssize_t tcmu_show_configfs_dev_params(struct se_device *dev, char *b) +{ + struct tcmu_dev *udev = TCMU_DEV(dev); + ssize_t bl = 0; + + bl = sprintf(b + bl, "Config: %s ", + udev->dev_config[0] ? udev->dev_config : "NULL"); + bl += sprintf(b + bl, "Size: %zu PassLevel: %u\n", + udev->dev_size, udev->pass_level); + + return bl; +} + +static sector_t tcmu_get_blocks(struct se_device *dev) +{ + struct tcmu_dev *udev = TCMU_DEV(dev); + + return div_u64(udev->dev_size - dev->dev_attrib.block_size, + dev->dev_attrib.block_size); +} + +static sense_reason_t +tcmu_execute_rw(struct se_cmd *se_cmd, struct scatterlist *sgl, u32 sgl_nents, + enum dma_data_direction data_direction) +{ + int ret; + + ret = tcmu_queue_cmd(se_cmd); + + if (ret != 0) + return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + else + return TCM_NO_SENSE; +} + +static sense_reason_t +tcmu_pass_op(struct se_cmd *se_cmd) +{ + int ret = tcmu_queue_cmd(se_cmd); + + if (ret != 0) + return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + else + return TCM_NO_SENSE; +} + +static struct sbc_ops tcmu_sbc_ops = { + .execute_rw = tcmu_execute_rw, + .execute_sync_cache = tcmu_pass_op, + .execute_write_same = tcmu_pass_op, + .execute_write_same_unmap = tcmu_pass_op, + .execute_unmap = tcmu_pass_op, +}; + +static sense_reason_t +tcmu_parse_cdb(struct se_cmd *cmd) +{ + unsigned char *cdb = cmd->t_task_cdb; + struct tcmu_dev *udev = TCMU_DEV(cmd->se_dev); + sense_reason_t ret; + + switch (udev->pass_level) { + case TCMU_PASS_ALL: + /* We're just like pscsi, then */ + /* + * For REPORT LUNS we always need to emulate the response, for everything + * else, pass it up. + */ + switch (cdb[0]) { + case REPORT_LUNS: + cmd->execute_cmd = spc_emulate_report_luns; + break; + case READ_6: + case READ_10: + case READ_12: + case READ_16: + case WRITE_6: + case WRITE_10: + case WRITE_12: + case WRITE_16: + case WRITE_VERIFY: + cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB; + /* FALLTHROUGH */ + default: + cmd->execute_cmd = tcmu_pass_op; + } + ret = TCM_NO_SENSE; + break; + case TCMU_PASS_IO: + ret = sbc_parse_cdb(cmd, &tcmu_sbc_ops); + break; + default: + pr_err("Unknown tcm-user pass level %d\n", udev->pass_level); + ret = TCM_CHECK_CONDITION_ABORT_CMD; + } + + return ret; +} + +static struct se_subsystem_api tcmu_template = { + .name = "user", + .inquiry_prod = "USER", + .inquiry_rev = TCMU_VERSION, + .owner = THIS_MODULE, + .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV, + .attach_hba = tcmu_attach_hba, + .detach_hba = tcmu_detach_hba, + .alloc_device = tcmu_alloc_device, + .configure_device = tcmu_configure_device, + .free_device = tcmu_free_device, + .parse_cdb = tcmu_parse_cdb, + .set_configfs_dev_params = tcmu_set_configfs_dev_params, + .show_configfs_dev_params = tcmu_show_configfs_dev_params, + .get_device_type = sbc_get_device_type, + .get_blocks = tcmu_get_blocks, +}; + +static int __init tcmu_module_init(void) +{ + int ret; + + BUILD_BUG_ON((sizeof(struct tcmu_cmd_entry) % TCMU_OP_ALIGN_SIZE) != 0); + + tcmu_cmd_cache = kmem_cache_create("tcmu_cmd_cache", + sizeof(struct tcmu_cmd), + __alignof__(struct tcmu_cmd), + 0, NULL); + if (!tcmu_cmd_cache) + return -ENOMEM; + + tcmu_root_device = root_device_register("tcm_user"); + if (IS_ERR(tcmu_root_device)) { + ret = PTR_ERR(tcmu_root_device); + goto out_free_cache; + } + + ret = genl_register_family(&tcmu_genl_family); + if (ret < 0) { + goto out_unreg_device; + } + + ret = transport_subsystem_register(&tcmu_template); + if (ret) + goto out_unreg_genl; + + return 0; + +out_unreg_genl: + genl_unregister_family(&tcmu_genl_family); +out_unreg_device: + root_device_unregister(tcmu_root_device); +out_free_cache: + kmem_cache_destroy(tcmu_cmd_cache); + + return ret; +} + +static void __exit tcmu_module_exit(void) +{ + transport_subsystem_release(&tcmu_template); + genl_unregister_family(&tcmu_genl_family); + root_device_unregister(tcmu_root_device); + kmem_cache_destroy(tcmu_cmd_cache); +} + +MODULE_DESCRIPTION("TCM USER subsystem plugin"); +MODULE_AUTHOR("Shaohua Li "); +MODULE_AUTHOR("Andy Grover "); +MODULE_LICENSE("GPL"); + +module_init(tcmu_module_init); +module_exit(tcmu_module_exit); diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index 21ce50880c79..ccee7e332a4d 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -98,7 +98,7 @@ static void ft_tport_delete(struct ft_tport *tport) ft_sess_delete_all(tport); lport = tport->lport; BUG_ON(tport != lport->prov[FC_TYPE_FCP]); - rcu_assign_pointer(lport->prov[FC_TYPE_FCP], NULL); + RCU_INIT_POINTER(lport->prov[FC_TYPE_FCP], NULL); tpg = tport->tpg; if (tpg) { diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index ef5587fe2c69..f554d25b4399 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -84,6 +84,16 @@ config THERMAL_GOV_STEP_WISE Enable this to manage platform thermals using a simple linear governor. +config THERMAL_GOV_BANG_BANG + bool "Bang Bang thermal governor" + default n + help + Enable this to manage platform thermals using bang bang governor. + + Say 'Y' here if you want to use two point temperature regulation + used for fans without throttling. Some fan drivers depend on this + governor to be enabled (e.g. acerhdf). + config THERMAL_GOV_USER_SPACE bool "User_space thermal governor" help @@ -207,21 +217,6 @@ config X86_PKG_TEMP_THERMAL two trip points which can be set by user to get notifications via thermal notification methods. -config ACPI_INT3403_THERMAL - tristate "ACPI INT3403 thermal driver" - depends on X86 && ACPI - help - Newer laptops and tablets that use ACPI may have thermal sensors - outside the core CPU/SOC for thermal safety reasons. These - temperature sensors are also exposed for the OS to use via the so - called INT3403 ACPI object. This driver will, on devices that have - such sensors, expose the temperature information from these sensors - to userspace via the normal thermal framework. This means that a wide - range of applications and GUI widgets can show this information to - the user or use this information for making decisions. For example, - the Intel Thermal Daemon can use this information to allow the user - to select his laptop to run without turning on the fans. - config INTEL_SOC_DTS_THERMAL tristate "Intel SoCs DTS thermal driver" depends on X86 && IOSF_MBI @@ -234,6 +229,30 @@ config INTEL_SOC_DTS_THERMAL notification methods.The other trip is a critical trip point, which was set by the driver based on the TJ MAX temperature. +config INT340X_THERMAL + tristate "ACPI INT340X thermal drivers" + depends on X86 && ACPI + select THERMAL_GOV_USER_SPACE + select ACPI_THERMAL_REL + select ACPI_FAN + help + Newer laptops and tablets that use ACPI may have thermal sensors and + other devices with thermal control capabilities outside the core + CPU/SOC, for thermal safety reasons. + They are exposed for the OS to use via the INT3400 ACPI device object + as the master, and INT3401~INT340B ACPI device objects as the slaves. + Enable this to expose the temperature information and cooling ability + from these objects to userspace via the normal thermal framework. + This means that a wide range of applications and GUI widgets can show + the information to the user or use this information for making + decisions. For example, the Intel Thermal Daemon can use this + information to allow the user to select his laptop to run without + turning on the fans. + +config ACPI_THERMAL_REL + tristate + depends on ACPI + menu "Texas Instruments thermal drivers" source "drivers/thermal/ti-soc-thermal/Kconfig" endmenu diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index 31e232f84b6b..39c4fe87da2f 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -11,6 +11,7 @@ thermal_sys-$(CONFIG_THERMAL_OF) += of-thermal.o # governors thermal_sys-$(CONFIG_THERMAL_GOV_FAIR_SHARE) += fair_share.o +thermal_sys-$(CONFIG_THERMAL_GOV_BANG_BANG) += gov_bang_bang.o thermal_sys-$(CONFIG_THERMAL_GOV_STEP_WISE) += step_wise.o thermal_sys-$(CONFIG_THERMAL_GOV_USER_SPACE) += user_space.o @@ -31,5 +32,5 @@ obj-$(CONFIG_INTEL_POWERCLAMP) += intel_powerclamp.o obj-$(CONFIG_X86_PKG_TEMP_THERMAL) += x86_pkg_temp_thermal.o obj-$(CONFIG_INTEL_SOC_DTS_THERMAL) += intel_soc_dts_thermal.o obj-$(CONFIG_TI_SOC_THERMAL) += ti-soc-thermal/ -obj-$(CONFIG_ACPI_INT3403_THERMAL) += int3403_thermal.o +obj-$(CONFIG_INT340X_THERMAL) += int340x_thermal/ obj-$(CONFIG_ST_THERMAL) += st/ diff --git a/drivers/thermal/fair_share.c b/drivers/thermal/fair_share.c index 944ba2f340c8..6e0a3fbfae86 100644 --- a/drivers/thermal/fair_share.c +++ b/drivers/thermal/fair_share.c @@ -23,6 +23,7 @@ */ #include +#include #include "thermal_core.h" @@ -34,6 +35,7 @@ static int get_trip_level(struct thermal_zone_device *tz) { int count = 0; unsigned long trip_temp; + enum thermal_trip_type trip_type; if (tz->trips == 0 || !tz->ops->get_trip_temp) return 0; @@ -43,6 +45,16 @@ static int get_trip_level(struct thermal_zone_device *tz) if (tz->temperature < trip_temp) break; } + + /* + * count > 0 only if temperature is greater than first trip + * point, in which case, trip_point = count - 1 + */ + if (count > 0) { + tz->ops->get_trip_type(tz, count - 1, &trip_type); + trace_thermal_zone_trip(tz, count - 1, trip_type); + } + return count; } diff --git a/drivers/thermal/gov_bang_bang.c b/drivers/thermal/gov_bang_bang.c new file mode 100644 index 000000000000..c5dd76b2ee74 --- /dev/null +++ b/drivers/thermal/gov_bang_bang.c @@ -0,0 +1,131 @@ +/* + * gov_bang_bang.c - A simple thermal throttling governor using hysteresis + * + * Copyright (C) 2014 Peter Feuerer + * + * Based on step_wise.c with following Copyrights: + * Copyright (C) 2012 Intel Corp + * Copyright (C) 2012 Durgadoss R + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + */ + +#include + +#include "thermal_core.h" + +static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip) +{ + long trip_temp; + unsigned long trip_hyst; + struct thermal_instance *instance; + + tz->ops->get_trip_temp(tz, trip, &trip_temp); + tz->ops->get_trip_hyst(tz, trip, &trip_hyst); + + dev_dbg(&tz->device, "Trip%d[temp=%ld]:temp=%d:hyst=%ld\n", + trip, trip_temp, tz->temperature, + trip_hyst); + + mutex_lock(&tz->lock); + + list_for_each_entry(instance, &tz->thermal_instances, tz_node) { + if (instance->trip != trip) + continue; + + /* in case fan is in initial state, switch the fan off */ + if (instance->target == THERMAL_NO_TARGET) + instance->target = 0; + + /* in case fan is neither on nor off set the fan to active */ + if (instance->target != 0 && instance->target != 1) { + pr_warn("Thermal instance %s controlled by bang-bang has unexpected state: %ld\n", + instance->name, instance->target); + instance->target = 1; + } + + /* + * enable fan when temperature exceeds trip_temp and disable + * the fan in case it falls below trip_temp minus hysteresis + */ + if (instance->target == 0 && tz->temperature >= trip_temp) + instance->target = 1; + else if (instance->target == 1 && + tz->temperature < trip_temp - trip_hyst) + instance->target = 0; + + dev_dbg(&instance->cdev->device, "target=%d\n", + (int)instance->target); + + instance->cdev->updated = false; /* cdev needs update */ + } + + mutex_unlock(&tz->lock); +} + +/** + * bang_bang_control - controls devices associated with the given zone + * @tz - thermal_zone_device + * @trip - the trip point + * + * Regulation Logic: a two point regulation, deliver cooling state depending + * on the previous state shown in this diagram: + * + * Fan: OFF ON + * + * | + * | + * trip_temp: +---->+ + * | | ^ + * | | | + * | | Temperature + * (trip_temp - hyst): +<----+ + * | + * | + * | + * + * * If the fan is not running and temperature exceeds trip_temp, the fan + * gets turned on. + * * In case the fan is running, temperature must fall below + * (trip_temp - hyst) so that the fan gets turned off again. + * + */ +static int bang_bang_control(struct thermal_zone_device *tz, int trip) +{ + struct thermal_instance *instance; + + thermal_zone_trip_update(tz, trip); + + mutex_lock(&tz->lock); + + list_for_each_entry(instance, &tz->thermal_instances, tz_node) + thermal_cdev_update(instance->cdev); + + mutex_unlock(&tz->lock); + + return 0; +} + +static struct thermal_governor thermal_gov_bang_bang = { + .name = "bang_bang", + .throttle = bang_bang_control, +}; + +int thermal_gov_bang_bang_register(void) +{ + return thermal_register_governor(&thermal_gov_bang_bang); +} + +void thermal_gov_bang_bang_unregister(void) +{ + thermal_unregister_governor(&thermal_gov_bang_bang); +} diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index 2c516f2eebed..5a1f1070b702 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -31,6 +32,11 @@ #define MISC0 0x0150 #define MISC0_REFTOP_SELBIASOFF (1 << 3) +#define MISC1 0x0160 +#define MISC1_IRQ_TEMPHIGH (1 << 29) +/* Below LOW and PANIC bits are only for TEMPMON_IMX6SX */ +#define MISC1_IRQ_TEMPLOW (1 << 28) +#define MISC1_IRQ_TEMPPANIC (1 << 27) #define TEMPSENSE0 0x0180 #define TEMPSENSE0_ALARM_VALUE_SHIFT 20 @@ -43,6 +49,12 @@ #define TEMPSENSE1 0x0190 #define TEMPSENSE1_MEASURE_FREQ 0xffff +/* Below TEMPSENSE2 is only for TEMPMON_IMX6SX */ +#define TEMPSENSE2 0x0290 +#define TEMPSENSE2_LOW_VALUE_SHIFT 0 +#define TEMPSENSE2_LOW_VALUE_MASK 0xfff +#define TEMPSENSE2_PANIC_VALUE_SHIFT 16 +#define TEMPSENSE2_PANIC_VALUE_MASK 0xfff0000 #define OCOTP_ANA1 0x04e0 @@ -66,6 +78,21 @@ enum imx_thermal_trip { #define FACTOR1 15976 #define FACTOR2 4297157 +#define TEMPMON_IMX6Q 1 +#define TEMPMON_IMX6SX 2 + +struct thermal_soc_data { + u32 version; +}; + +static struct thermal_soc_data thermal_imx6q_data = { + .version = TEMPMON_IMX6Q, +}; + +static struct thermal_soc_data thermal_imx6sx_data = { + .version = TEMPMON_IMX6SX, +}; + struct imx_thermal_data { struct thermal_zone_device *tz; struct thermal_cooling_device *cdev; @@ -79,8 +106,21 @@ struct imx_thermal_data { bool irq_enabled; int irq; struct clk *thermal_clk; + const struct thermal_soc_data *socdata; }; +static void imx_set_panic_temp(struct imx_thermal_data *data, + signed long panic_temp) +{ + struct regmap *map = data->tempmon; + int critical_value; + + critical_value = (data->c2 - panic_temp) / data->c1; + regmap_write(map, TEMPSENSE2 + REG_CLR, TEMPSENSE2_PANIC_VALUE_MASK); + regmap_write(map, TEMPSENSE2 + REG_SET, critical_value << + TEMPSENSE2_PANIC_VALUE_SHIFT); +} + static void imx_set_alarm_temp(struct imx_thermal_data *data, signed long alarm_temp) { @@ -142,13 +182,17 @@ static int imx_get_temp(struct thermal_zone_device *tz, unsigned long *temp) /* See imx_get_sensor_data() for formula derivation */ *temp = data->c2 - n_meas * data->c1; - /* Update alarm value to next higher trip point */ - if (data->alarm_temp == data->temp_passive && *temp >= data->temp_passive) - imx_set_alarm_temp(data, data->temp_critical); - if (data->alarm_temp == data->temp_critical && *temp < data->temp_passive) { - imx_set_alarm_temp(data, data->temp_passive); - dev_dbg(&tz->device, "thermal alarm off: T < %lu\n", - data->alarm_temp / 1000); + /* Update alarm value to next higher trip point for TEMPMON_IMX6Q */ + if (data->socdata->version == TEMPMON_IMX6Q) { + if (data->alarm_temp == data->temp_passive && + *temp >= data->temp_passive) + imx_set_alarm_temp(data, data->temp_critical); + if (data->alarm_temp == data->temp_critical && + *temp < data->temp_passive) { + imx_set_alarm_temp(data, data->temp_passive); + dev_dbg(&tz->device, "thermal alarm off: T < %lu\n", + data->alarm_temp / 1000); + } } if (*temp != data->last_temp) { @@ -398,14 +442,27 @@ static irqreturn_t imx_thermal_alarm_irq_thread(int irq, void *dev) return IRQ_HANDLED; } +static const struct of_device_id of_imx_thermal_match[] = { + { .compatible = "fsl,imx6q-tempmon", .data = &thermal_imx6q_data, }, + { .compatible = "fsl,imx6sx-tempmon", .data = &thermal_imx6sx_data, }, + { /* end */ } +}; +MODULE_DEVICE_TABLE(of, of_imx_thermal_match); + static int imx_thermal_probe(struct platform_device *pdev) { + const struct of_device_id *of_id = + of_match_device(of_imx_thermal_match, &pdev->dev); struct imx_thermal_data *data; struct cpumask clip_cpus; struct regmap *map; int measure_freq; int ret; + if (!cpufreq_get_current_driver()) { + dev_dbg(&pdev->dev, "no cpufreq driver!"); + return -EPROBE_DEFER; + } data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -418,6 +475,20 @@ static int imx_thermal_probe(struct platform_device *pdev) } data->tempmon = map; + data->socdata = of_id->data; + + /* make sure the IRQ flag is clear before enabling irq on i.MX6SX */ + if (data->socdata->version == TEMPMON_IMX6SX) { + regmap_write(map, MISC1 + REG_CLR, MISC1_IRQ_TEMPHIGH | + MISC1_IRQ_TEMPLOW | MISC1_IRQ_TEMPPANIC); + /* + * reset value of LOW ALARM is incorrect, set it to lowest + * value to avoid false trigger of low alarm. + */ + regmap_write(map, TEMPSENSE2 + REG_SET, + TEMPSENSE2_LOW_VALUE_MASK); + } + data->irq = platform_get_irq(pdev, 0); if (data->irq < 0) return data->irq; @@ -454,6 +525,30 @@ static int imx_thermal_probe(struct platform_device *pdev) return ret; } + data->thermal_clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(data->thermal_clk)) { + ret = PTR_ERR(data->thermal_clk); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, + "failed to get thermal clk: %d\n", ret); + cpufreq_cooling_unregister(data->cdev); + return ret; + } + + /* + * Thermal sensor needs clk on to get correct value, normally + * we should enable its clk before taking measurement and disable + * clk after measurement is done, but if alarm function is enabled, + * hardware will auto measure the temperature periodically, so we + * need to keep the clk always on for alarm function. + */ + ret = clk_prepare_enable(data->thermal_clk); + if (ret) { + dev_err(&pdev->dev, "failed to enable thermal clk: %d\n", ret); + cpufreq_cooling_unregister(data->cdev); + return ret; + } + data->tz = thermal_zone_device_register("imx_thermal_zone", IMX_TRIP_NUM, BIT(IMX_TRIP_PASSIVE), data, @@ -464,31 +559,20 @@ static int imx_thermal_probe(struct platform_device *pdev) ret = PTR_ERR(data->tz); dev_err(&pdev->dev, "failed to register thermal zone device %d\n", ret); + clk_disable_unprepare(data->thermal_clk); cpufreq_cooling_unregister(data->cdev); return ret; } - data->thermal_clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(data->thermal_clk)) { - dev_warn(&pdev->dev, "failed to get thermal clk!\n"); - } else { - /* - * Thermal sensor needs clk on to get correct value, normally - * we should enable its clk before taking measurement and disable - * clk after measurement is done, but if alarm function is enabled, - * hardware will auto measure the temperature periodically, so we - * need to keep the clk always on for alarm function. - */ - ret = clk_prepare_enable(data->thermal_clk); - if (ret) - dev_warn(&pdev->dev, "failed to enable thermal clk: %d\n", ret); - } - /* Enable measurements at ~ 10 Hz */ regmap_write(map, TEMPSENSE1 + REG_CLR, TEMPSENSE1_MEASURE_FREQ); measure_freq = DIV_ROUND_UP(32768, 10); /* 10 Hz */ regmap_write(map, TEMPSENSE1 + REG_SET, measure_freq); imx_set_alarm_temp(data, data->temp_passive); + + if (data->socdata->version == TEMPMON_IMX6SX) + imx_set_panic_temp(data, data->temp_critical); + regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_POWER_DOWN); regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_MEASURE_TEMP); @@ -550,12 +634,6 @@ static int imx_thermal_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(imx_thermal_pm_ops, imx_thermal_suspend, imx_thermal_resume); -static const struct of_device_id of_imx_thermal_match[] = { - { .compatible = "fsl,imx6q-tempmon", }, - { /* end */ } -}; -MODULE_DEVICE_TABLE(of, of_imx_thermal_match); - static struct platform_driver imx_thermal = { .driver = { .name = "imx_thermal", diff --git a/drivers/thermal/int3403_thermal.c b/drivers/thermal/int3403_thermal.c deleted file mode 100644 index 17554eeb3953..000000000000 --- a/drivers/thermal/int3403_thermal.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * ACPI INT3403 thermal driver - * Copyright (c) 2013, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - */ - -#include -#include -#include -#include -#include -#include - -#define INT3403_TYPE_SENSOR 0x03 -#define INT3403_PERF_CHANGED_EVENT 0x80 -#define INT3403_THERMAL_EVENT 0x90 - -#define DECI_KELVIN_TO_MILLI_CELSIUS(t, off) (((t) - (off)) * 100) -#define KELVIN_OFFSET 2732 -#define MILLI_CELSIUS_TO_DECI_KELVIN(t, off) (((t) / 100) + (off)) - -#define ACPI_INT3403_CLASS "int3403" -#define ACPI_INT3403_FILE_STATE "state" - -struct int3403_sensor { - struct thermal_zone_device *tzone; - unsigned long *thresholds; - unsigned long crit_temp; - int crit_trip_id; - unsigned long psv_temp; - int psv_trip_id; -}; - -static int sys_get_curr_temp(struct thermal_zone_device *tzone, - unsigned long *temp) -{ - struct acpi_device *device = tzone->devdata; - unsigned long long tmp; - acpi_status status; - - status = acpi_evaluate_integer(device->handle, "_TMP", NULL, &tmp); - if (ACPI_FAILURE(status)) - return -EIO; - - *temp = DECI_KELVIN_TO_MILLI_CELSIUS(tmp, KELVIN_OFFSET); - - return 0; -} - -static int sys_get_trip_hyst(struct thermal_zone_device *tzone, - int trip, unsigned long *temp) -{ - struct acpi_device *device = tzone->devdata; - unsigned long long hyst; - acpi_status status; - - status = acpi_evaluate_integer(device->handle, "GTSH", NULL, &hyst); - if (ACPI_FAILURE(status)) - return -EIO; - - /* - * Thermal hysteresis represents a temperature difference. - * Kelvin and Celsius have same degree size. So the - * conversion here between tenths of degree Kelvin unit - * and Milli-Celsius unit is just to multiply 100. - */ - *temp = hyst * 100; - - return 0; -} - -static int sys_get_trip_temp(struct thermal_zone_device *tzone, - int trip, unsigned long *temp) -{ - struct acpi_device *device = tzone->devdata; - struct int3403_sensor *obj = acpi_driver_data(device); - - if (trip == obj->crit_trip_id) - *temp = obj->crit_temp; - else if (trip == obj->psv_trip_id) - *temp = obj->psv_temp; - else { - /* - * get_trip_temp is a mandatory callback but - * PATx method doesn't return any value, so return - * cached value, which was last set from user space. - */ - *temp = obj->thresholds[trip]; - } - - return 0; -} - -static int sys_get_trip_type(struct thermal_zone_device *thermal, - int trip, enum thermal_trip_type *type) -{ - struct acpi_device *device = thermal->devdata; - struct int3403_sensor *obj = acpi_driver_data(device); - - /* Mandatory callback, may not mean much here */ - if (trip == obj->crit_trip_id) - *type = THERMAL_TRIP_CRITICAL; - else - *type = THERMAL_TRIP_PASSIVE; - - return 0; -} - -int sys_set_trip_temp(struct thermal_zone_device *tzone, int trip, - unsigned long temp) -{ - struct acpi_device *device = tzone->devdata; - acpi_status status; - char name[10]; - int ret = 0; - struct int3403_sensor *obj = acpi_driver_data(device); - - snprintf(name, sizeof(name), "PAT%d", trip); - if (acpi_has_method(device->handle, name)) { - status = acpi_execute_simple_method(device->handle, name, - MILLI_CELSIUS_TO_DECI_KELVIN(temp, - KELVIN_OFFSET)); - if (ACPI_FAILURE(status)) - ret = -EIO; - else - obj->thresholds[trip] = temp; - } else { - ret = -EIO; - dev_err(&device->dev, "sys_set_trip_temp: method not found\n"); - } - - return ret; -} - -static struct thermal_zone_device_ops tzone_ops = { - .get_temp = sys_get_curr_temp, - .get_trip_temp = sys_get_trip_temp, - .get_trip_type = sys_get_trip_type, - .set_trip_temp = sys_set_trip_temp, - .get_trip_hyst = sys_get_trip_hyst, -}; - -static void acpi_thermal_notify(struct acpi_device *device, u32 event) -{ - struct int3403_sensor *obj; - - if (!device) - return; - - obj = acpi_driver_data(device); - if (!obj) - return; - - switch (event) { - case INT3403_PERF_CHANGED_EVENT: - break; - case INT3403_THERMAL_EVENT: - thermal_zone_device_update(obj->tzone); - break; - default: - dev_err(&device->dev, "Unsupported event [0x%x]\n", event); - break; - } -} - -static int sys_get_trip_crt(struct acpi_device *device, unsigned long *temp) -{ - unsigned long long crt; - acpi_status status; - - status = acpi_evaluate_integer(device->handle, "_CRT", NULL, &crt); - if (ACPI_FAILURE(status)) - return -EIO; - - *temp = DECI_KELVIN_TO_MILLI_CELSIUS(crt, KELVIN_OFFSET); - - return 0; -} - -static int sys_get_trip_psv(struct acpi_device *device, unsigned long *temp) -{ - unsigned long long psv; - acpi_status status; - - status = acpi_evaluate_integer(device->handle, "_PSV", NULL, &psv); - if (ACPI_FAILURE(status)) - return -EIO; - - *temp = DECI_KELVIN_TO_MILLI_CELSIUS(psv, KELVIN_OFFSET); - - return 0; -} - -static int acpi_int3403_add(struct acpi_device *device) -{ - int result = 0; - unsigned long long ptyp; - acpi_status status; - struct int3403_sensor *obj; - unsigned long long trip_cnt; - int trip_mask = 0; - - if (!device) - return -EINVAL; - - status = acpi_evaluate_integer(device->handle, "PTYP", NULL, &ptyp); - if (ACPI_FAILURE(status)) - return -EINVAL; - - if (ptyp != INT3403_TYPE_SENSOR) - return -EINVAL; - - obj = devm_kzalloc(&device->dev, sizeof(*obj), GFP_KERNEL); - if (!obj) - return -ENOMEM; - - device->driver_data = obj; - - status = acpi_evaluate_integer(device->handle, "PATC", NULL, - &trip_cnt); - if (ACPI_FAILURE(status)) - trip_cnt = 0; - - if (trip_cnt) { - /* We have to cache, thresholds can't be readback */ - obj->thresholds = devm_kzalloc(&device->dev, - sizeof(*obj->thresholds) * trip_cnt, - GFP_KERNEL); - if (!obj->thresholds) - return -ENOMEM; - trip_mask = BIT(trip_cnt) - 1; - } - - obj->psv_trip_id = -1; - if (!sys_get_trip_psv(device, &obj->psv_temp)) - obj->psv_trip_id = trip_cnt++; - - obj->crit_trip_id = -1; - if (!sys_get_trip_crt(device, &obj->crit_temp)) - obj->crit_trip_id = trip_cnt++; - - obj->tzone = thermal_zone_device_register(acpi_device_bid(device), - trip_cnt, trip_mask, device, &tzone_ops, - NULL, 0, 0); - if (IS_ERR(obj->tzone)) { - result = PTR_ERR(obj->tzone); - return result; - } - - strcpy(acpi_device_name(device), "INT3403"); - strcpy(acpi_device_class(device), ACPI_INT3403_CLASS); - - return 0; -} - -static int acpi_int3403_remove(struct acpi_device *device) -{ - struct int3403_sensor *obj; - - obj = acpi_driver_data(device); - thermal_zone_device_unregister(obj->tzone); - - return 0; -} - -ACPI_MODULE_NAME("int3403"); -static const struct acpi_device_id int3403_device_ids[] = { - {"INT3403", 0}, - {"", 0}, -}; -MODULE_DEVICE_TABLE(acpi, int3403_device_ids); - -static struct acpi_driver acpi_int3403_driver = { - .name = "INT3403", - .class = ACPI_INT3403_CLASS, - .ids = int3403_device_ids, - .ops = { - .add = acpi_int3403_add, - .remove = acpi_int3403_remove, - .notify = acpi_thermal_notify, - }, -}; - -module_acpi_driver(acpi_int3403_driver); - -MODULE_AUTHOR("Srinivas Pandruvada "); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("ACPI INT3403 thermal driver"); diff --git a/drivers/thermal/int340x_thermal/Makefile b/drivers/thermal/int340x_thermal/Makefile new file mode 100644 index 000000000000..ffe40bffaf1a --- /dev/null +++ b/drivers/thermal/int340x_thermal/Makefile @@ -0,0 +1,4 @@ +obj-$(CONFIG_INT340X_THERMAL) += int3400_thermal.o +obj-$(CONFIG_INT340X_THERMAL) += int3402_thermal.o +obj-$(CONFIG_INT340X_THERMAL) += int3403_thermal.o +obj-$(CONFIG_ACPI_THERMAL_REL) += acpi_thermal_rel.o diff --git a/drivers/thermal/int340x_thermal/acpi_thermal_rel.c b/drivers/thermal/int340x_thermal/acpi_thermal_rel.c new file mode 100644 index 000000000000..0d8db808f0ae --- /dev/null +++ b/drivers/thermal/int340x_thermal/acpi_thermal_rel.c @@ -0,0 +1,400 @@ +/* acpi_thermal_rel.c driver for exporting ACPI thermal relationship + * + * Copyright (c) 2014 Intel Corp + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + */ + +/* + * Two functionalities included: + * 1. Export _TRT, _ART, via misc device interface to the userspace. + * 2. Provide parsing result to kernel drivers + * + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "acpi_thermal_rel.h" + +static acpi_handle acpi_thermal_rel_handle; +static DEFINE_SPINLOCK(acpi_thermal_rel_chrdev_lock); +static int acpi_thermal_rel_chrdev_count; /* #times opened */ +static int acpi_thermal_rel_chrdev_exclu; /* already open exclusive? */ + +static int acpi_thermal_rel_open(struct inode *inode, struct file *file) +{ + spin_lock(&acpi_thermal_rel_chrdev_lock); + if (acpi_thermal_rel_chrdev_exclu || + (acpi_thermal_rel_chrdev_count && (file->f_flags & O_EXCL))) { + spin_unlock(&acpi_thermal_rel_chrdev_lock); + return -EBUSY; + } + + if (file->f_flags & O_EXCL) + acpi_thermal_rel_chrdev_exclu = 1; + acpi_thermal_rel_chrdev_count++; + + spin_unlock(&acpi_thermal_rel_chrdev_lock); + + return nonseekable_open(inode, file); +} + +static int acpi_thermal_rel_release(struct inode *inode, struct file *file) +{ + spin_lock(&acpi_thermal_rel_chrdev_lock); + acpi_thermal_rel_chrdev_count--; + acpi_thermal_rel_chrdev_exclu = 0; + spin_unlock(&acpi_thermal_rel_chrdev_lock); + + return 0; +} + +/** + * acpi_parse_trt - Thermal Relationship Table _TRT for passive cooling + * + * @handle: ACPI handle of the device contains _TRT + * @art_count: the number of valid entries resulted from parsing _TRT + * @artp: pointer to pointer of array of art entries in parsing result + * @create_dev: whether to create platform devices for target and source + * + */ +int acpi_parse_trt(acpi_handle handle, int *trt_count, struct trt **trtp, + bool create_dev) +{ + acpi_status status; + int result = 0; + int i; + int nr_bad_entries = 0; + struct trt *trts; + struct acpi_device *adev; + union acpi_object *p; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_buffer element = { 0, NULL }; + struct acpi_buffer trt_format = { sizeof("RRNNNNNN"), "RRNNNNNN" }; + + if (!acpi_has_method(handle, "_TRT")) + return 0; + + status = acpi_evaluate_object(handle, "_TRT", NULL, &buffer); + if (ACPI_FAILURE(status)) + return -ENODEV; + + p = buffer.pointer; + if (!p || (p->type != ACPI_TYPE_PACKAGE)) { + pr_err("Invalid _TRT data\n"); + result = -EFAULT; + goto end; + } + + *trt_count = p->package.count; + trts = kzalloc(*trt_count * sizeof(struct trt), GFP_KERNEL); + if (!trts) { + result = -ENOMEM; + goto end; + } + + for (i = 0; i < *trt_count; i++) { + struct trt *trt = &trts[i - nr_bad_entries]; + + element.length = sizeof(struct trt); + element.pointer = trt; + + status = acpi_extract_package(&(p->package.elements[i]), + &trt_format, &element); + if (ACPI_FAILURE(status)) { + nr_bad_entries++; + pr_warn("_TRT package %d is invalid, ignored\n", i); + continue; + } + if (!create_dev) + continue; + + result = acpi_bus_get_device(trt->source, &adev); + if (!result) + acpi_create_platform_device(adev); + else + pr_warn("Failed to get source ACPI device\n"); + + result = acpi_bus_get_device(trt->target, &adev); + if (!result) + acpi_create_platform_device(adev); + else + pr_warn("Failed to get target ACPI device\n"); + } + + *trtp = trts; + /* don't count bad entries */ + *trt_count -= nr_bad_entries; +end: + kfree(buffer.pointer); + return result; +} +EXPORT_SYMBOL(acpi_parse_trt); + +/** + * acpi_parse_art - Parse Active Relationship Table _ART + * + * @handle: ACPI handle of the device contains _ART + * @art_count: the number of valid entries resulted from parsing _ART + * @artp: pointer to pointer of array of art entries in parsing result + * @create_dev: whether to create platform devices for target and source + * + */ +int acpi_parse_art(acpi_handle handle, int *art_count, struct art **artp, + bool create_dev) +{ + acpi_status status; + int result = 0; + int i; + int nr_bad_entries = 0; + struct art *arts; + struct acpi_device *adev; + union acpi_object *p; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_buffer element = { 0, NULL }; + struct acpi_buffer art_format = { + sizeof("RRNNNNNNNNNNN"), "RRNNNNNNNNNNN" }; + + if (!acpi_has_method(handle, "_ART")) + return 0; + + status = acpi_evaluate_object(handle, "_ART", NULL, &buffer); + if (ACPI_FAILURE(status)) + return -ENODEV; + + p = buffer.pointer; + if (!p || (p->type != ACPI_TYPE_PACKAGE)) { + pr_err("Invalid _ART data\n"); + result = -EFAULT; + goto end; + } + + /* ignore p->package.elements[0], as this is _ART Revision field */ + *art_count = p->package.count - 1; + arts = kzalloc(*art_count * sizeof(struct art), GFP_KERNEL); + if (!arts) { + result = -ENOMEM; + goto end; + } + + for (i = 0; i < *art_count; i++) { + struct art *art = &arts[i - nr_bad_entries]; + + element.length = sizeof(struct art); + element.pointer = art; + + status = acpi_extract_package(&(p->package.elements[i + 1]), + &art_format, &element); + if (ACPI_FAILURE(status)) { + pr_warn("_ART package %d is invalid, ignored", i); + nr_bad_entries++; + continue; + } + if (!create_dev) + continue; + + if (art->source) { + result = acpi_bus_get_device(art->source, &adev); + if (!result) + acpi_create_platform_device(adev); + else + pr_warn("Failed to get source ACPI device\n"); + } + if (art->target) { + result = acpi_bus_get_device(art->target, &adev); + if (!result) + acpi_create_platform_device(adev); + else + pr_warn("Failed to get source ACPI device\n"); + } + } + + *artp = arts; + /* don't count bad entries */ + *art_count -= nr_bad_entries; +end: + kfree(buffer.pointer); + return result; +} +EXPORT_SYMBOL(acpi_parse_art); + + +/* get device name from acpi handle */ +static void get_single_name(acpi_handle handle, char *name) +{ + struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER}; + + if (ACPI_FAILURE(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer))) + pr_warn("Failed get name from handle\n"); + else { + memcpy(name, buffer.pointer, ACPI_NAME_SIZE); + kfree(buffer.pointer); + } +} + +static int fill_art(char __user *ubuf) +{ + int i; + int ret; + int count; + int art_len; + struct art *arts = NULL; + union art_object *art_user; + + ret = acpi_parse_art(acpi_thermal_rel_handle, &count, &arts, false); + if (ret) + goto free_art; + art_len = count * sizeof(union art_object); + art_user = kzalloc(art_len, GFP_KERNEL); + if (!art_user) { + ret = -ENOMEM; + goto free_art; + } + /* now fill in user art data */ + for (i = 0; i < count; i++) { + /* userspace art needs device name instead of acpi reference */ + get_single_name(arts[i].source, art_user[i].source_device); + get_single_name(arts[i].target, art_user[i].target_device); + /* copy the rest int data in addition to source and target */ + memcpy(&art_user[i].weight, &arts[i].weight, + sizeof(u64) * (ACPI_NR_ART_ELEMENTS - 2)); + } + + if (copy_to_user(ubuf, art_user, art_len)) + ret = -EFAULT; + kfree(art_user); +free_art: + kfree(arts); + return ret; +} + +static int fill_trt(char __user *ubuf) +{ + int i; + int ret; + int count; + int trt_len; + struct trt *trts = NULL; + union trt_object *trt_user; + + ret = acpi_parse_trt(acpi_thermal_rel_handle, &count, &trts, false); + if (ret) + goto free_trt; + trt_len = count * sizeof(union trt_object); + trt_user = kzalloc(trt_len, GFP_KERNEL); + if (!trt_user) { + ret = -ENOMEM; + goto free_trt; + } + /* now fill in user trt data */ + for (i = 0; i < count; i++) { + /* userspace trt needs device name instead of acpi reference */ + get_single_name(trts[i].source, trt_user[i].source_device); + get_single_name(trts[i].target, trt_user[i].target_device); + trt_user[i].sample_period = trts[i].sample_period; + trt_user[i].influence = trts[i].influence; + } + + if (copy_to_user(ubuf, trt_user, trt_len)) + ret = -EFAULT; + kfree(trt_user); +free_trt: + kfree(trts); + return ret; +} + +static long acpi_thermal_rel_ioctl(struct file *f, unsigned int cmd, + unsigned long __arg) +{ + int ret = 0; + unsigned long length = 0; + unsigned long count = 0; + char __user *arg = (void __user *)__arg; + struct trt *trts; + struct art *arts; + + switch (cmd) { + case ACPI_THERMAL_GET_TRT_COUNT: + ret = acpi_parse_trt(acpi_thermal_rel_handle, (int *)&count, + &trts, false); + kfree(trts); + if (!ret) + return put_user(count, (unsigned long __user *)__arg); + return ret; + case ACPI_THERMAL_GET_TRT_LEN: + ret = acpi_parse_trt(acpi_thermal_rel_handle, (int *)&count, + &trts, false); + kfree(trts); + length = count * sizeof(union trt_object); + if (!ret) + return put_user(length, (unsigned long __user *)__arg); + return ret; + case ACPI_THERMAL_GET_TRT: + return fill_trt(arg); + case ACPI_THERMAL_GET_ART_COUNT: + ret = acpi_parse_art(acpi_thermal_rel_handle, (int *)&count, + &arts, false); + kfree(arts); + if (!ret) + return put_user(count, (unsigned long __user *)__arg); + return ret; + case ACPI_THERMAL_GET_ART_LEN: + ret = acpi_parse_art(acpi_thermal_rel_handle, (int *)&count, + &arts, false); + kfree(arts); + length = count * sizeof(union art_object); + if (!ret) + return put_user(length, (unsigned long __user *)__arg); + return ret; + + case ACPI_THERMAL_GET_ART: + return fill_art(arg); + + default: + return -ENOTTY; + } +} + +static const struct file_operations acpi_thermal_rel_fops = { + .owner = THIS_MODULE, + .open = acpi_thermal_rel_open, + .release = acpi_thermal_rel_release, + .unlocked_ioctl = acpi_thermal_rel_ioctl, + .llseek = no_llseek, +}; + +static struct miscdevice acpi_thermal_rel_misc_device = { + .minor = MISC_DYNAMIC_MINOR, + "acpi_thermal_rel", + &acpi_thermal_rel_fops +}; + +int acpi_thermal_rel_misc_device_add(acpi_handle handle) +{ + acpi_thermal_rel_handle = handle; + + return misc_register(&acpi_thermal_rel_misc_device); +} +EXPORT_SYMBOL(acpi_thermal_rel_misc_device_add); + +int acpi_thermal_rel_misc_device_remove(acpi_handle handle) +{ + misc_deregister(&acpi_thermal_rel_misc_device); + + return 0; +} +EXPORT_SYMBOL(acpi_thermal_rel_misc_device_remove); + +MODULE_AUTHOR("Zhang Rui "); +MODULE_AUTHOR("Jacob Pan + +#define ACPI_THERMAL_MAGIC 's' + +#define ACPI_THERMAL_GET_TRT_LEN _IOR(ACPI_THERMAL_MAGIC, 1, unsigned long) +#define ACPI_THERMAL_GET_ART_LEN _IOR(ACPI_THERMAL_MAGIC, 2, unsigned long) +#define ACPI_THERMAL_GET_TRT_COUNT _IOR(ACPI_THERMAL_MAGIC, 3, unsigned long) +#define ACPI_THERMAL_GET_ART_COUNT _IOR(ACPI_THERMAL_MAGIC, 4, unsigned long) + +#define ACPI_THERMAL_GET_TRT _IOR(ACPI_THERMAL_MAGIC, 5, unsigned long) +#define ACPI_THERMAL_GET_ART _IOR(ACPI_THERMAL_MAGIC, 6, unsigned long) + +struct art { + acpi_handle source; + acpi_handle target; + u64 weight; + u64 ac0_max; + u64 ac1_max; + u64 ac2_max; + u64 ac3_max; + u64 ac4_max; + u64 ac5_max; + u64 ac6_max; + u64 ac7_max; + u64 ac8_max; + u64 ac9_max; +} __packed; + +struct trt { + acpi_handle source; + acpi_handle target; + u64 influence; + u64 sample_period; + u64 reverved1; + u64 reverved2; + u64 reverved3; + u64 reverved4; +} __packed; + +#define ACPI_NR_ART_ELEMENTS 13 +/* for usrspace */ +union art_object { + struct { + char source_device[8]; /* ACPI single name */ + char target_device[8]; /* ACPI single name */ + u64 weight; + u64 ac0_max_level; + u64 ac1_max_level; + u64 ac2_max_level; + u64 ac3_max_level; + u64 ac4_max_level; + u64 ac5_max_level; + u64 ac6_max_level; + u64 ac7_max_level; + u64 ac8_max_level; + u64 ac9_max_level; + }; + u64 __data[ACPI_NR_ART_ELEMENTS]; +}; + +union trt_object { + struct { + char source_device[8]; /* ACPI single name */ + char target_device[8]; /* ACPI single name */ + u64 influence; + u64 sample_period; + u64 reserved[4]; + }; + u64 __data[8]; +}; + +#ifdef __KERNEL__ +int acpi_thermal_rel_misc_device_add(acpi_handle handle); +int acpi_thermal_rel_misc_device_remove(acpi_handle handle); +int acpi_parse_art(acpi_handle handle, int *art_count, struct art **arts, + bool create_dev); +int acpi_parse_trt(acpi_handle handle, int *trt_count, struct trt **trts, + bool create_dev); +#endif + +#endif /* __ACPI_ACPI_THERMAL_H */ diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c new file mode 100644 index 000000000000..edc1cce117ba --- /dev/null +++ b/drivers/thermal/int340x_thermal/int3400_thermal.c @@ -0,0 +1,271 @@ +/* + * INT3400 thermal driver + * + * Copyright (C) 2014, Intel Corporation + * Authors: Zhang Rui + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include +#include "acpi_thermal_rel.h" + +enum int3400_thermal_uuid { + INT3400_THERMAL_PASSIVE_1, + INT3400_THERMAL_PASSIVE_2, + INT3400_THERMAL_ACTIVE, + INT3400_THERMAL_CRITICAL, + INT3400_THERMAL_COOLING_MODE, + INT3400_THERMAL_MAXIMUM_UUID, +}; + +static u8 *int3400_thermal_uuids[INT3400_THERMAL_MAXIMUM_UUID] = { + "42A441D6-AE6A-462b-A84B-4A8CE79027D3", + "9E04115A-AE87-4D1C-9500-0F3E340BFE75", + "3A95C389-E4B8-4629-A526-C52C88626BAE", + "97C68AE7-15FA-499c-B8C9-5DA81D606E0A", + "16CAF1B7-DD38-40ed-B1C1-1B8A1913D531", +}; + +struct int3400_thermal_priv { + struct acpi_device *adev; + struct thermal_zone_device *thermal; + int mode; + int art_count; + struct art *arts; + int trt_count; + struct trt *trts; + u8 uuid_bitmap; + int rel_misc_dev_res; +}; + +static int int3400_thermal_get_uuids(struct int3400_thermal_priv *priv) +{ + struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL}; + union acpi_object *obja, *objb; + int i, j; + int result = 0; + acpi_status status; + + status = acpi_evaluate_object(priv->adev->handle, "IDSP", NULL, &buf); + if (ACPI_FAILURE(status)) + return -ENODEV; + + obja = (union acpi_object *)buf.pointer; + if (obja->type != ACPI_TYPE_PACKAGE) { + result = -EINVAL; + goto end; + } + + for (i = 0; i < obja->package.count; i++) { + objb = &obja->package.elements[i]; + if (objb->type != ACPI_TYPE_BUFFER) { + result = -EINVAL; + goto end; + } + + /* UUID must be 16 bytes */ + if (objb->buffer.length != 16) { + result = -EINVAL; + goto end; + } + + for (j = 0; j < INT3400_THERMAL_MAXIMUM_UUID; j++) { + u8 uuid[16]; + + acpi_str_to_uuid(int3400_thermal_uuids[j], uuid); + if (!strncmp(uuid, objb->buffer.pointer, 16)) { + priv->uuid_bitmap |= (1 << j); + break; + } + } + } + +end: + kfree(buf.pointer); + return result; +} + +static int int3400_thermal_run_osc(acpi_handle handle, + enum int3400_thermal_uuid uuid, bool enable) +{ + u32 ret, buf[2]; + acpi_status status; + int result = 0; + struct acpi_osc_context context = { + .uuid_str = int3400_thermal_uuids[uuid], + .rev = 1, + .cap.length = 8, + }; + + buf[OSC_QUERY_DWORD] = 0; + buf[OSC_SUPPORT_DWORD] = enable; + + context.cap.pointer = buf; + + status = acpi_run_osc(handle, &context); + if (ACPI_SUCCESS(status)) { + ret = *((u32 *)(context.ret.pointer + 4)); + if (ret != enable) + result = -EPERM; + } else + result = -EPERM; + + kfree(context.ret.pointer); + return result; +} + +static int int3400_thermal_get_temp(struct thermal_zone_device *thermal, + unsigned long *temp) +{ + *temp = 20 * 1000; /* faked temp sensor with 20C */ + return 0; +} + +static int int3400_thermal_get_mode(struct thermal_zone_device *thermal, + enum thermal_device_mode *mode) +{ + struct int3400_thermal_priv *priv = thermal->devdata; + + if (!priv) + return -EINVAL; + + *mode = priv->mode; + + return 0; +} + +static int int3400_thermal_set_mode(struct thermal_zone_device *thermal, + enum thermal_device_mode mode) +{ + struct int3400_thermal_priv *priv = thermal->devdata; + bool enable; + int result = 0; + + if (!priv) + return -EINVAL; + + if (mode == THERMAL_DEVICE_ENABLED) + enable = true; + else if (mode == THERMAL_DEVICE_DISABLED) + enable = false; + else + return -EINVAL; + + if (enable != priv->mode) { + priv->mode = enable; + /* currently, only PASSIVE COOLING is supported */ + result = int3400_thermal_run_osc(priv->adev->handle, + INT3400_THERMAL_PASSIVE_1, enable); + } + return result; +} + +static struct thermal_zone_device_ops int3400_thermal_ops = { + .get_temp = int3400_thermal_get_temp, +}; + +static struct thermal_zone_params int3400_thermal_params = { + .governor_name = "user_space", + .no_hwmon = true, +}; + +static int int3400_thermal_probe(struct platform_device *pdev) +{ + struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); + struct int3400_thermal_priv *priv; + int result; + + if (!adev) + return -ENODEV; + + priv = kzalloc(sizeof(struct int3400_thermal_priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->adev = adev; + + result = int3400_thermal_get_uuids(priv); + if (result) + goto free_priv; + + result = acpi_parse_art(priv->adev->handle, &priv->art_count, + &priv->arts, true); + if (result) + goto free_priv; + + + result = acpi_parse_trt(priv->adev->handle, &priv->trt_count, + &priv->trts, true); + if (result) + goto free_art; + + platform_set_drvdata(pdev, priv); + + if (priv->uuid_bitmap & 1 << INT3400_THERMAL_PASSIVE_1) { + int3400_thermal_ops.get_mode = int3400_thermal_get_mode; + int3400_thermal_ops.set_mode = int3400_thermal_set_mode; + } + priv->thermal = thermal_zone_device_register("INT3400 Thermal", 0, 0, + priv, &int3400_thermal_ops, + &int3400_thermal_params, 0, 0); + if (IS_ERR(priv->thermal)) { + result = PTR_ERR(priv->thermal); + goto free_trt; + } + + priv->rel_misc_dev_res = acpi_thermal_rel_misc_device_add( + priv->adev->handle); + + return 0; +free_trt: + kfree(priv->trts); +free_art: + kfree(priv->arts); +free_priv: + kfree(priv); + return result; +} + +static int int3400_thermal_remove(struct platform_device *pdev) +{ + struct int3400_thermal_priv *priv = platform_get_drvdata(pdev); + + if (!priv->rel_misc_dev_res) + acpi_thermal_rel_misc_device_remove(priv->adev->handle); + + thermal_zone_device_unregister(priv->thermal); + kfree(priv->trts); + kfree(priv->arts); + kfree(priv); + return 0; +} + +static const struct acpi_device_id int3400_thermal_match[] = { + {"INT3400", 0}, + {} +}; + +MODULE_DEVICE_TABLE(acpi, int3400_thermal_match); + +static struct platform_driver int3400_thermal_driver = { + .probe = int3400_thermal_probe, + .remove = int3400_thermal_remove, + .driver = { + .name = "int3400 thermal", + .owner = THIS_MODULE, + .acpi_match_table = ACPI_PTR(int3400_thermal_match), + }, +}; + +module_platform_driver(int3400_thermal_driver); + +MODULE_DESCRIPTION("INT3400 Thermal driver"); +MODULE_AUTHOR("Zhang Rui "); +MODULE_LICENSE("GPL"); diff --git a/drivers/thermal/int340x_thermal/int3402_thermal.c b/drivers/thermal/int340x_thermal/int3402_thermal.c new file mode 100644 index 000000000000..a5d08c14ba24 --- /dev/null +++ b/drivers/thermal/int340x_thermal/int3402_thermal.c @@ -0,0 +1,242 @@ +/* + * INT3402 thermal driver for memory temperature reporting + * + * Copyright (C) 2014, Intel Corporation + * Authors: Aaron Lu + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include + +#define ACPI_ACTIVE_COOLING_MAX_NR 10 + +struct active_trip { + unsigned long temp; + int id; + bool valid; +}; + +struct int3402_thermal_data { + unsigned long *aux_trips; + int aux_trip_nr; + unsigned long psv_temp; + int psv_trip_id; + unsigned long crt_temp; + int crt_trip_id; + unsigned long hot_temp; + int hot_trip_id; + struct active_trip act_trips[ACPI_ACTIVE_COOLING_MAX_NR]; + acpi_handle *handle; +}; + +static int int3402_thermal_get_zone_temp(struct thermal_zone_device *zone, + unsigned long *temp) +{ + struct int3402_thermal_data *d = zone->devdata; + unsigned long long tmp; + acpi_status status; + + status = acpi_evaluate_integer(d->handle, "_TMP", NULL, &tmp); + if (ACPI_FAILURE(status)) + return -ENODEV; + + /* _TMP returns the temperature in tenths of degrees Kelvin */ + *temp = DECI_KELVIN_TO_MILLICELSIUS(tmp); + + return 0; +} + +static int int3402_thermal_get_trip_temp(struct thermal_zone_device *zone, + int trip, unsigned long *temp) +{ + struct int3402_thermal_data *d = zone->devdata; + int i; + + if (trip < d->aux_trip_nr) + *temp = d->aux_trips[trip]; + else if (trip == d->crt_trip_id) + *temp = d->crt_temp; + else if (trip == d->psv_trip_id) + *temp = d->psv_temp; + else if (trip == d->hot_trip_id) + *temp = d->hot_temp; + else { + for (i = 0; i < ACPI_ACTIVE_COOLING_MAX_NR; i++) { + if (d->act_trips[i].valid && + d->act_trips[i].id == trip) { + *temp = d->act_trips[i].temp; + break; + } + } + if (i == ACPI_ACTIVE_COOLING_MAX_NR) + return -EINVAL; + } + return 0; +} + +static int int3402_thermal_get_trip_type(struct thermal_zone_device *zone, + int trip, enum thermal_trip_type *type) +{ + struct int3402_thermal_data *d = zone->devdata; + int i; + + if (trip < d->aux_trip_nr) + *type = THERMAL_TRIP_PASSIVE; + else if (trip == d->crt_trip_id) + *type = THERMAL_TRIP_CRITICAL; + else if (trip == d->hot_trip_id) + *type = THERMAL_TRIP_HOT; + else if (trip == d->psv_trip_id) + *type = THERMAL_TRIP_PASSIVE; + else { + for (i = 0; i < ACPI_ACTIVE_COOLING_MAX_NR; i++) { + if (d->act_trips[i].valid && + d->act_trips[i].id == trip) { + *type = THERMAL_TRIP_ACTIVE; + break; + } + } + if (i == ACPI_ACTIVE_COOLING_MAX_NR) + return -EINVAL; + } + return 0; +} + +static int int3402_thermal_set_trip_temp(struct thermal_zone_device *zone, int trip, + unsigned long temp) +{ + struct int3402_thermal_data *d = zone->devdata; + acpi_status status; + char name[10]; + + snprintf(name, sizeof(name), "PAT%d", trip); + status = acpi_execute_simple_method(d->handle, name, + MILLICELSIUS_TO_DECI_KELVIN(temp)); + if (ACPI_FAILURE(status)) + return -EIO; + + d->aux_trips[trip] = temp; + return 0; +} + +static struct thermal_zone_device_ops int3402_thermal_zone_ops = { + .get_temp = int3402_thermal_get_zone_temp, + .get_trip_temp = int3402_thermal_get_trip_temp, + .get_trip_type = int3402_thermal_get_trip_type, + .set_trip_temp = int3402_thermal_set_trip_temp, +}; + +static struct thermal_zone_params int3402_thermal_params = { + .governor_name = "user_space", + .no_hwmon = true, +}; + +static int int3402_thermal_get_temp(acpi_handle handle, char *name, + unsigned long *temp) +{ + unsigned long long r; + acpi_status status; + + status = acpi_evaluate_integer(handle, name, NULL, &r); + if (ACPI_FAILURE(status)) + return -EIO; + + *temp = DECI_KELVIN_TO_MILLICELSIUS(r); + return 0; +} + +static int int3402_thermal_probe(struct platform_device *pdev) +{ + struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); + struct int3402_thermal_data *d; + struct thermal_zone_device *zone; + acpi_status status; + unsigned long long trip_cnt; + int trip_mask = 0, i; + + if (!acpi_has_method(adev->handle, "_TMP")) + return -ENODEV; + + d = devm_kzalloc(&pdev->dev, sizeof(*d), GFP_KERNEL); + if (!d) + return -ENOMEM; + + status = acpi_evaluate_integer(adev->handle, "PATC", NULL, &trip_cnt); + if (ACPI_FAILURE(status)) + trip_cnt = 0; + else { + d->aux_trips = devm_kzalloc(&pdev->dev, + sizeof(*d->aux_trips) * trip_cnt, GFP_KERNEL); + if (!d->aux_trips) + return -ENOMEM; + trip_mask = trip_cnt - 1; + d->handle = adev->handle; + d->aux_trip_nr = trip_cnt; + } + + d->crt_trip_id = -1; + if (!int3402_thermal_get_temp(adev->handle, "_CRT", &d->crt_temp)) + d->crt_trip_id = trip_cnt++; + d->hot_trip_id = -1; + if (!int3402_thermal_get_temp(adev->handle, "_HOT", &d->hot_temp)) + d->hot_trip_id = trip_cnt++; + d->psv_trip_id = -1; + if (!int3402_thermal_get_temp(adev->handle, "_PSV", &d->psv_temp)) + d->psv_trip_id = trip_cnt++; + for (i = 0; i < ACPI_ACTIVE_COOLING_MAX_NR; i++) { + char name[5] = { '_', 'A', 'C', '0' + i, '\0' }; + if (int3402_thermal_get_temp(adev->handle, name, + &d->act_trips[i].temp)) + break; + d->act_trips[i].id = trip_cnt++; + d->act_trips[i].valid = true; + } + + zone = thermal_zone_device_register(acpi_device_bid(adev), trip_cnt, + trip_mask, d, + &int3402_thermal_zone_ops, + &int3402_thermal_params, + 0, 0); + if (IS_ERR(zone)) + return PTR_ERR(zone); + platform_set_drvdata(pdev, zone); + + return 0; +} + +static int int3402_thermal_remove(struct platform_device *pdev) +{ + struct thermal_zone_device *zone = platform_get_drvdata(pdev); + + thermal_zone_device_unregister(zone); + return 0; +} + +static const struct acpi_device_id int3402_thermal_match[] = { + {"INT3402", 0}, + {} +}; + +MODULE_DEVICE_TABLE(acpi, int3402_thermal_match); + +static struct platform_driver int3402_thermal_driver = { + .probe = int3402_thermal_probe, + .remove = int3402_thermal_remove, + .driver = { + .name = "int3402 thermal", + .owner = THIS_MODULE, + .acpi_match_table = int3402_thermal_match, + }, +}; + +module_platform_driver(int3402_thermal_driver); + +MODULE_DESCRIPTION("INT3402 Thermal driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/thermal/int340x_thermal/int3403_thermal.c b/drivers/thermal/int340x_thermal/int3403_thermal.c new file mode 100644 index 000000000000..6e9fb62eb817 --- /dev/null +++ b/drivers/thermal/int340x_thermal/int3403_thermal.c @@ -0,0 +1,483 @@ +/* + * ACPI INT3403 thermal driver + * Copyright (c) 2013, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include +#include +#include +#include +#include +#include +#include + +#define INT3403_TYPE_SENSOR 0x03 +#define INT3403_TYPE_CHARGER 0x0B +#define INT3403_TYPE_BATTERY 0x0C +#define INT3403_PERF_CHANGED_EVENT 0x80 +#define INT3403_THERMAL_EVENT 0x90 + +#define DECI_KELVIN_TO_MILLI_CELSIUS(t, off) (((t) - (off)) * 100) +#define KELVIN_OFFSET 2732 +#define MILLI_CELSIUS_TO_DECI_KELVIN(t, off) (((t) / 100) + (off)) + +struct int3403_sensor { + struct thermal_zone_device *tzone; + unsigned long *thresholds; + unsigned long crit_temp; + int crit_trip_id; + unsigned long psv_temp; + int psv_trip_id; + +}; + +struct int3403_performance_state { + u64 performance; + u64 power; + u64 latency; + u64 linear; + u64 control; + u64 raw_performace; + char *raw_unit; + int reserved; +}; + +struct int3403_cdev { + struct thermal_cooling_device *cdev; + unsigned long max_state; +}; + +struct int3403_priv { + struct platform_device *pdev; + struct acpi_device *adev; + unsigned long long type; + void *priv; +}; + +static int sys_get_curr_temp(struct thermal_zone_device *tzone, + unsigned long *temp) +{ + struct int3403_priv *priv = tzone->devdata; + struct acpi_device *device = priv->adev; + unsigned long long tmp; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "_TMP", NULL, &tmp); + if (ACPI_FAILURE(status)) + return -EIO; + + *temp = DECI_KELVIN_TO_MILLI_CELSIUS(tmp, KELVIN_OFFSET); + + return 0; +} + +static int sys_get_trip_hyst(struct thermal_zone_device *tzone, + int trip, unsigned long *temp) +{ + struct int3403_priv *priv = tzone->devdata; + struct acpi_device *device = priv->adev; + unsigned long long hyst; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "GTSH", NULL, &hyst); + if (ACPI_FAILURE(status)) + return -EIO; + + /* + * Thermal hysteresis represents a temperature difference. + * Kelvin and Celsius have same degree size. So the + * conversion here between tenths of degree Kelvin unit + * and Milli-Celsius unit is just to multiply 100. + */ + *temp = hyst * 100; + + return 0; +} + +static int sys_get_trip_temp(struct thermal_zone_device *tzone, + int trip, unsigned long *temp) +{ + struct int3403_priv *priv = tzone->devdata; + struct int3403_sensor *obj = priv->priv; + + if (priv->type != INT3403_TYPE_SENSOR || !obj) + return -EINVAL; + + if (trip == obj->crit_trip_id) + *temp = obj->crit_temp; + else if (trip == obj->psv_trip_id) + *temp = obj->psv_temp; + else { + /* + * get_trip_temp is a mandatory callback but + * PATx method doesn't return any value, so return + * cached value, which was last set from user space + */ + *temp = obj->thresholds[trip]; + } + + return 0; +} + +static int sys_get_trip_type(struct thermal_zone_device *thermal, + int trip, enum thermal_trip_type *type) +{ + struct int3403_priv *priv = thermal->devdata; + struct int3403_sensor *obj = priv->priv; + + /* Mandatory callback, may not mean much here */ + if (trip == obj->crit_trip_id) + *type = THERMAL_TRIP_CRITICAL; + else + *type = THERMAL_TRIP_PASSIVE; + + return 0; +} + +int sys_set_trip_temp(struct thermal_zone_device *tzone, int trip, + unsigned long temp) +{ + struct int3403_priv *priv = tzone->devdata; + struct acpi_device *device = priv->adev; + struct int3403_sensor *obj = priv->priv; + acpi_status status; + char name[10]; + int ret = 0; + + snprintf(name, sizeof(name), "PAT%d", trip); + if (acpi_has_method(device->handle, name)) { + status = acpi_execute_simple_method(device->handle, name, + MILLI_CELSIUS_TO_DECI_KELVIN(temp, + KELVIN_OFFSET)); + if (ACPI_FAILURE(status)) + ret = -EIO; + else + obj->thresholds[trip] = temp; + } else { + ret = -EIO; + dev_err(&device->dev, "sys_set_trip_temp: method not found\n"); + } + + return ret; +} + +static struct thermal_zone_device_ops tzone_ops = { + .get_temp = sys_get_curr_temp, + .get_trip_temp = sys_get_trip_temp, + .get_trip_type = sys_get_trip_type, + .set_trip_temp = sys_set_trip_temp, + .get_trip_hyst = sys_get_trip_hyst, +}; + +static struct thermal_zone_params int3403_thermal_params = { + .governor_name = "user_space", + .no_hwmon = true, +}; + +static void int3403_notify(acpi_handle handle, + u32 event, void *data) +{ + struct int3403_priv *priv = data; + struct int3403_sensor *obj; + + if (!priv) + return; + + obj = priv->priv; + if (priv->type != INT3403_TYPE_SENSOR || !obj) + return; + + switch (event) { + case INT3403_PERF_CHANGED_EVENT: + break; + case INT3403_THERMAL_EVENT: + thermal_zone_device_update(obj->tzone); + break; + default: + dev_err(&priv->pdev->dev, "Unsupported event [0x%x]\n", event); + break; + } +} + +static int sys_get_trip_crt(struct acpi_device *device, unsigned long *temp) +{ + unsigned long long crt; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "_CRT", NULL, &crt); + if (ACPI_FAILURE(status)) + return -EIO; + + *temp = DECI_KELVIN_TO_MILLI_CELSIUS(crt, KELVIN_OFFSET); + + return 0; +} + +static int sys_get_trip_psv(struct acpi_device *device, unsigned long *temp) +{ + unsigned long long psv; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "_PSV", NULL, &psv); + if (ACPI_FAILURE(status)) + return -EIO; + + *temp = DECI_KELVIN_TO_MILLI_CELSIUS(psv, KELVIN_OFFSET); + + return 0; +} + +static int int3403_sensor_add(struct int3403_priv *priv) +{ + int result = 0; + acpi_status status; + struct int3403_sensor *obj; + unsigned long long trip_cnt; + int trip_mask = 0; + + obj = devm_kzalloc(&priv->pdev->dev, sizeof(*obj), GFP_KERNEL); + if (!obj) + return -ENOMEM; + + priv->priv = obj; + + status = acpi_evaluate_integer(priv->adev->handle, "PATC", NULL, + &trip_cnt); + if (ACPI_FAILURE(status)) + trip_cnt = 0; + + if (trip_cnt) { + /* We have to cache, thresholds can't be readback */ + obj->thresholds = devm_kzalloc(&priv->pdev->dev, + sizeof(*obj->thresholds) * trip_cnt, + GFP_KERNEL); + if (!obj->thresholds) { + result = -ENOMEM; + goto err_free_obj; + } + trip_mask = BIT(trip_cnt) - 1; + } + + obj->psv_trip_id = -1; + if (!sys_get_trip_psv(priv->adev, &obj->psv_temp)) + obj->psv_trip_id = trip_cnt++; + + obj->crit_trip_id = -1; + if (!sys_get_trip_crt(priv->adev, &obj->crit_temp)) + obj->crit_trip_id = trip_cnt++; + + obj->tzone = thermal_zone_device_register(acpi_device_bid(priv->adev), + trip_cnt, trip_mask, priv, &tzone_ops, + &int3403_thermal_params, 0, 0); + if (IS_ERR(obj->tzone)) { + result = PTR_ERR(obj->tzone); + obj->tzone = NULL; + goto err_free_obj; + } + + result = acpi_install_notify_handler(priv->adev->handle, + ACPI_DEVICE_NOTIFY, int3403_notify, + (void *)priv); + if (result) + goto err_free_obj; + + return 0; + + err_free_obj: + if (obj->tzone) + thermal_zone_device_unregister(obj->tzone); + return result; +} + +static int int3403_sensor_remove(struct int3403_priv *priv) +{ + struct int3403_sensor *obj = priv->priv; + + thermal_zone_device_unregister(obj->tzone); + return 0; +} + +/* INT3403 Cooling devices */ +static int int3403_get_max_state(struct thermal_cooling_device *cdev, + unsigned long *state) +{ + struct int3403_priv *priv = cdev->devdata; + struct int3403_cdev *obj = priv->priv; + + *state = obj->max_state; + return 0; +} + +static int int3403_get_cur_state(struct thermal_cooling_device *cdev, + unsigned long *state) +{ + struct int3403_priv *priv = cdev->devdata; + unsigned long long level; + acpi_status status; + + status = acpi_evaluate_integer(priv->adev->handle, "PPPC", NULL, &level); + if (ACPI_SUCCESS(status)) { + *state = level; + return 0; + } else + return -EINVAL; +} + +static int +int3403_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state) +{ + struct int3403_priv *priv = cdev->devdata; + acpi_status status; + + status = acpi_execute_simple_method(priv->adev->handle, "SPPC", state); + if (ACPI_SUCCESS(status)) + return 0; + else + return -EINVAL; +} + +static const struct thermal_cooling_device_ops int3403_cooling_ops = { + .get_max_state = int3403_get_max_state, + .get_cur_state = int3403_get_cur_state, + .set_cur_state = int3403_set_cur_state, +}; + +static int int3403_cdev_add(struct int3403_priv *priv) +{ + int result = 0; + acpi_status status; + struct int3403_cdev *obj; + struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *p; + + obj = devm_kzalloc(&priv->pdev->dev, sizeof(*obj), GFP_KERNEL); + if (!obj) + return -ENOMEM; + + status = acpi_evaluate_object(priv->adev->handle, "PPSS", NULL, &buf); + if (ACPI_FAILURE(status)) + return -ENODEV; + + p = buf.pointer; + if (!p || (p->type != ACPI_TYPE_PACKAGE)) { + printk(KERN_WARNING "Invalid PPSS data\n"); + return -EFAULT; + } + + obj->max_state = p->package.count - 1; + obj->cdev = + thermal_cooling_device_register(acpi_device_bid(priv->adev), + priv, &int3403_cooling_ops); + if (IS_ERR(obj->cdev)) + result = PTR_ERR(obj->cdev); + + priv->priv = obj; + + /* TODO: add ACPI notification support */ + + return result; +} + +static int int3403_cdev_remove(struct int3403_priv *priv) +{ + struct int3403_cdev *obj = priv->priv; + + thermal_cooling_device_unregister(obj->cdev); + return 0; +} + +static int int3403_add(struct platform_device *pdev) +{ + struct int3403_priv *priv; + int result = 0; + acpi_status status; + + priv = devm_kzalloc(&pdev->dev, sizeof(struct int3403_priv), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->pdev = pdev; + priv->adev = ACPI_COMPANION(&(pdev->dev)); + if (!priv->adev) { + result = -EINVAL; + goto err; + } + + status = acpi_evaluate_integer(priv->adev->handle, "PTYP", + NULL, &priv->type); + if (ACPI_FAILURE(status)) { + result = -EINVAL; + goto err; + } + + platform_set_drvdata(pdev, priv); + switch (priv->type) { + case INT3403_TYPE_SENSOR: + result = int3403_sensor_add(priv); + break; + case INT3403_TYPE_CHARGER: + case INT3403_TYPE_BATTERY: + result = int3403_cdev_add(priv); + break; + default: + result = -EINVAL; + } + + if (result) + goto err; + return result; + +err: + return result; +} + +static int int3403_remove(struct platform_device *pdev) +{ + struct int3403_priv *priv = platform_get_drvdata(pdev); + + switch (priv->type) { + case INT3403_TYPE_SENSOR: + int3403_sensor_remove(priv); + break; + case INT3403_TYPE_CHARGER: + case INT3403_TYPE_BATTERY: + int3403_cdev_remove(priv); + break; + default: + break; + } + + return 0; +} + +static const struct acpi_device_id int3403_device_ids[] = { + {"INT3403", 0}, + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, int3403_device_ids); + +static struct platform_driver int3403_driver = { + .probe = int3403_add, + .remove = int3403_remove, + .driver = { + .name = "int3403 thermal", + .owner = THIS_MODULE, + .acpi_match_table = int3403_device_ids, + }, +}; + +module_platform_driver(int3403_driver); + +MODULE_AUTHOR("Srinivas Pandruvada "); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("ACPI INT3403 thermal driver"); diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 4b2b999b7611..62143ba31001 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -387,20 +387,27 @@ thermal_zone_of_sensor_register(struct device *dev, int sensor_id, int (*get_trend)(void *, long *)) { struct device_node *np, *child, *sensor_np; + struct thermal_zone_device *tzd = ERR_PTR(-ENODEV); np = of_find_node_by_name(NULL, "thermal-zones"); if (!np) return ERR_PTR(-ENODEV); - if (!dev || !dev->of_node) + if (!dev || !dev->of_node) { + of_node_put(np); return ERR_PTR(-EINVAL); + } - sensor_np = dev->of_node; + sensor_np = of_node_get(dev->of_node); for_each_child_of_node(np, child) { struct of_phandle_args sensor_specs; int ret, id; + /* Check whether child is enabled or not */ + if (!of_device_is_available(child)) + continue; + /* For now, thermal framework supports only 1 sensor per zone */ ret = of_parse_phandle_with_args(child, "thermal-sensors", "#thermal-sensor-cells", @@ -418,16 +425,21 @@ thermal_zone_of_sensor_register(struct device *dev, int sensor_id, } if (sensor_specs.np == sensor_np && id == sensor_id) { - of_node_put(np); - return thermal_zone_of_add_sensor(child, sensor_np, - data, - get_temp, - get_trend); + tzd = thermal_zone_of_add_sensor(child, sensor_np, + data, + get_temp, + get_trend); + of_node_put(sensor_specs.np); + of_node_put(child); + goto exit; } + of_node_put(sensor_specs.np); } +exit: + of_node_put(sensor_np); of_node_put(np); - return ERR_PTR(-ENODEV); + return tzd; } EXPORT_SYMBOL_GPL(thermal_zone_of_sensor_register); @@ -619,6 +631,7 @@ static int thermal_of_populate_trip(struct device_node *np, /* Required for cooling map matching */ trip->np = np; + of_node_get(np); return 0; } @@ -726,9 +739,14 @@ thermal_of_build_thermal_zone(struct device_node *np) return tz; free_tbps: + for (i = 0; i < tz->num_tbps; i++) + of_node_put(tz->tbps[i].cooling_device); kfree(tz->tbps); free_trips: + for (i = 0; i < tz->ntrips; i++) + of_node_put(tz->trips[i].np); kfree(tz->trips); + of_node_put(gchild); free_tz: kfree(tz); of_node_put(child); @@ -738,7 +756,13 @@ thermal_of_build_thermal_zone(struct device_node *np) static inline void of_thermal_free_zone(struct __thermal_zone *tz) { + int i; + + for (i = 0; i < tz->num_tbps; i++) + of_node_put(tz->tbps[i].cooling_device); kfree(tz->tbps); + for (i = 0; i < tz->ntrips; i++) + of_node_put(tz->trips[i].np); kfree(tz->trips); kfree(tz); } @@ -771,6 +795,10 @@ int __init of_parse_thermal_zones(void) struct thermal_zone_device *zone; struct thermal_zone_params *tzp; + /* Check whether child is enabled or not */ + if (!of_device_is_available(child)) + continue; + tz = thermal_of_build_thermal_zone(child); if (IS_ERR(tz)) { pr_err("failed to build thermal zone %s: %ld\n", @@ -806,10 +834,13 @@ int __init of_parse_thermal_zones(void) /* attempting to build remaining zones still */ } } + of_node_put(np); return 0; exit_free: + of_node_put(child); + of_node_put(np); of_thermal_free_zone(tz); /* no memory available, so free what we have built */ @@ -838,6 +869,10 @@ void of_thermal_destroy_zones(void) for_each_child_of_node(np, child) { struct thermal_zone_device *zone; + /* Check whether child is enabled or not */ + if (!of_device_is_available(child)) + continue; + zone = thermal_zone_get_zone_by_name(child->name); if (IS_ERR(zone)) continue; @@ -847,4 +882,5 @@ void of_thermal_destroy_zones(void) kfree(zone->ops); of_thermal_free_zone(zone->devdata); } + of_node_put(np); } diff --git a/drivers/thermal/samsung/exynos_thermal_common.h b/drivers/thermal/samsung/exynos_thermal_common.h index 3eb2ed9ea3a4..158f5aa8dc5d 100644 --- a/drivers/thermal/samsung/exynos_thermal_common.h +++ b/drivers/thermal/samsung/exynos_thermal_common.h @@ -27,7 +27,7 @@ #define SENSOR_NAME_LEN 16 #define MAX_TRIP_COUNT 8 #define MAX_COOLING_DEVICE 4 -#define MAX_THRESHOLD_LEVS 5 +#define MAX_TRIMINFO_CTRL_REG 2 #define ACTIVE_INTERVAL 500 #define IDLE_INTERVAL 10000 diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index acbff14da3a4..49c09243fd38 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -77,16 +77,6 @@ static int temp_to_code(struct exynos_tmu_data *data, u8 temp) struct exynos_tmu_platform_data *pdata = data->pdata; int temp_code; - if (pdata->cal_mode == HW_MODE) - return temp; - - if (data->soc == SOC_ARCH_EXYNOS4210) - /* temp should range between 25 and 125 */ - if (temp < 25 || temp > 125) { - temp_code = -EINVAL; - goto out; - } - switch (pdata->cal_type) { case TYPE_TWO_POINT_TRIMMING: temp_code = (temp - pdata->first_point_trim) * @@ -101,7 +91,7 @@ static int temp_to_code(struct exynos_tmu_data *data, u8 temp) temp_code = temp + pdata->default_temp_offset; break; } -out: + return temp_code; } @@ -114,16 +104,6 @@ static int code_to_temp(struct exynos_tmu_data *data, u8 temp_code) struct exynos_tmu_platform_data *pdata = data->pdata; int temp; - if (pdata->cal_mode == HW_MODE) - return temp_code; - - if (data->soc == SOC_ARCH_EXYNOS4210) - /* temp_code should range between 75 and 175 */ - if (temp_code < 75 || temp_code > 175) { - temp = -ENODATA; - goto out; - } - switch (pdata->cal_type) { case TYPE_TWO_POINT_TRIMMING: temp = (temp_code - data->temp_error1) * @@ -138,18 +118,35 @@ static int code_to_temp(struct exynos_tmu_data *data, u8 temp_code) temp = temp_code - pdata->default_temp_offset; break; } -out: + return temp; } +static void exynos_tmu_clear_irqs(struct exynos_tmu_data *data) +{ + const struct exynos_tmu_registers *reg = data->pdata->registers; + unsigned int val_irq; + + val_irq = readl(data->base + reg->tmu_intstat); + /* + * Clear the interrupts. Please note that the documentation for + * Exynos3250, Exynos4412, Exynos5250 and Exynos5260 incorrectly + * states that INTCLEAR register has a different placing of bits + * responsible for FALL IRQs than INTSTAT register. Exynos5420 + * and Exynos5440 documentation is correct (Exynos4210 doesn't + * support FALL IRQs at all). + */ + writel(val_irq, data->base + reg->tmu_intclear); +} + static int exynos_tmu_initialize(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); struct exynos_tmu_platform_data *pdata = data->pdata; const struct exynos_tmu_registers *reg = pdata->registers; - unsigned int status, trim_info = 0, con; + unsigned int status, trim_info = 0, con, ctrl; unsigned int rising_threshold = 0, falling_threshold = 0; - int ret = 0, threshold_code, i, trigger_levs = 0; + int ret = 0, threshold_code, i; mutex_lock(&data->lock); clk_enable(data->clk); @@ -164,11 +161,17 @@ static int exynos_tmu_initialize(struct platform_device *pdev) } } - if (TMU_SUPPORTS(pdata, TRIM_RELOAD)) - __raw_writel(1, data->base + reg->triminfo_ctrl); - - if (pdata->cal_mode == HW_MODE) - goto skip_calib_data; + if (TMU_SUPPORTS(pdata, TRIM_RELOAD)) { + for (i = 0; i < reg->triminfo_ctrl_count; i++) { + if (pdata->triminfo_reload[i]) { + ctrl = readl(data->base + + reg->triminfo_ctrl[i]); + ctrl |= pdata->triminfo_reload[i]; + writel(ctrl, data->base + + reg->triminfo_ctrl[i]); + } + } + } /* Save trimming info in order to perform calibration */ if (data->soc == SOC_ARCH_EXYNOS5440) { @@ -197,7 +200,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev) trim_info = readl(data->base + reg->triminfo_data); } data->temp_error1 = trim_info & EXYNOS_TMU_TEMP_MASK; - data->temp_error2 = ((trim_info >> reg->triminfo_85_shift) & + data->temp_error2 = ((trim_info >> EXYNOS_TRIMINFO_85_SHIFT) & EXYNOS_TMU_TEMP_MASK); if (!data->temp_error1 || @@ -207,67 +210,33 @@ static int exynos_tmu_initialize(struct platform_device *pdev) if (!data->temp_error2) data->temp_error2 = - (pdata->efuse_value >> reg->triminfo_85_shift) & + (pdata->efuse_value >> EXYNOS_TRIMINFO_85_SHIFT) & EXYNOS_TMU_TEMP_MASK; -skip_calib_data: - if (pdata->max_trigger_level > MAX_THRESHOLD_LEVS) { - dev_err(&pdev->dev, "Invalid max trigger level\n"); - ret = -EINVAL; - goto out; - } - - for (i = 0; i < pdata->max_trigger_level; i++) { - if (!pdata->trigger_levels[i]) - continue; - - if ((pdata->trigger_type[i] == HW_TRIP) && - (!pdata->trigger_levels[pdata->max_trigger_level - 1])) { - dev_err(&pdev->dev, "Invalid hw trigger level\n"); - ret = -EINVAL; - goto out; - } - - /* Count trigger levels except the HW trip*/ - if (!(pdata->trigger_type[i] == HW_TRIP)) - trigger_levs++; - } - rising_threshold = readl(data->base + reg->threshold_th0); if (data->soc == SOC_ARCH_EXYNOS4210) { /* Write temperature code for threshold */ threshold_code = temp_to_code(data, pdata->threshold); - if (threshold_code < 0) { - ret = threshold_code; - goto out; - } writeb(threshold_code, data->base + reg->threshold_temp); - for (i = 0; i < trigger_levs; i++) + for (i = 0; i < pdata->non_hw_trigger_levels; i++) writeb(pdata->trigger_levels[i], data->base + reg->threshold_th0 + i * sizeof(reg->threshold_th0)); - writel(reg->intclr_rise_mask, data->base + reg->tmu_intclear); + exynos_tmu_clear_irqs(data); } else { /* Write temperature code for rising and falling threshold */ - for (i = 0; - i < trigger_levs && i < EXYNOS_MAX_TRIGGER_PER_REG; i++) { + for (i = 0; i < pdata->non_hw_trigger_levels; i++) { threshold_code = temp_to_code(data, pdata->trigger_levels[i]); - if (threshold_code < 0) { - ret = threshold_code; - goto out; - } rising_threshold &= ~(0xff << 8 * i); rising_threshold |= threshold_code << 8 * i; if (pdata->threshold_falling) { threshold_code = temp_to_code(data, pdata->trigger_levels[i] - pdata->threshold_falling); - if (threshold_code > 0) - falling_threshold |= - threshold_code << 8 * i; + falling_threshold |= threshold_code << 8 * i; } } @@ -276,9 +245,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev) writel(falling_threshold, data->base + reg->threshold_th1); - writel((reg->intclr_rise_mask << reg->intclr_rise_shift) | - (reg->intclr_fall_mask << reg->intclr_fall_shift), - data->base + reg->tmu_intclear); + exynos_tmu_clear_irqs(data); /* if last threshold limit is also present */ i = pdata->max_trigger_level - 1; @@ -286,10 +253,6 @@ static int exynos_tmu_initialize(struct platform_device *pdev) (pdata->trigger_type[i] == HW_TRIP)) { threshold_code = temp_to_code(data, pdata->trigger_levels[i]); - if (threshold_code < 0) { - ret = threshold_code; - goto out; - } if (i == EXYNOS_MAX_TRIGGER_PER_REG - 1) { /* 1-4 level to be assigned in th0 reg */ rising_threshold &= ~(0xff << 8 * i); @@ -325,7 +288,7 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) struct exynos_tmu_data *data = platform_get_drvdata(pdev); struct exynos_tmu_platform_data *pdata = data->pdata; const struct exynos_tmu_registers *reg = pdata->registers; - unsigned int con, interrupt_en, cal_val; + unsigned int con, interrupt_en; mutex_lock(&data->lock); clk_enable(data->clk); @@ -335,15 +298,11 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) if (pdata->test_mux) con |= (pdata->test_mux << reg->test_mux_addr_shift); - if (pdata->reference_voltage) { - con &= ~(reg->buf_vref_sel_mask << reg->buf_vref_sel_shift); - con |= pdata->reference_voltage << reg->buf_vref_sel_shift; - } + con &= ~(EXYNOS_TMU_REF_VOLTAGE_MASK << EXYNOS_TMU_REF_VOLTAGE_SHIFT); + con |= pdata->reference_voltage << EXYNOS_TMU_REF_VOLTAGE_SHIFT; - if (pdata->gain) { - con &= ~(reg->buf_slope_sel_mask << reg->buf_slope_sel_shift); - con |= (pdata->gain << reg->buf_slope_sel_shift); - } + con &= ~(EXYNOS_TMU_BUF_SLOPE_SEL_MASK << EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT); + con |= (pdata->gain << EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT); if (pdata->noise_cancel_mode) { con &= ~(reg->therm_trip_mode_mask << @@ -351,29 +310,8 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) con |= (pdata->noise_cancel_mode << reg->therm_trip_mode_shift); } - if (pdata->cal_mode == HW_MODE) { - con &= ~(reg->calib_mode_mask << reg->calib_mode_shift); - cal_val = 0; - switch (pdata->cal_type) { - case TYPE_TWO_POINT_TRIMMING: - cal_val = 3; - break; - case TYPE_ONE_POINT_TRIMMING_85: - cal_val = 2; - break; - case TYPE_ONE_POINT_TRIMMING_25: - cal_val = 1; - break; - case TYPE_NONE: - break; - default: - dev_err(&pdev->dev, "Invalid calibration type, using none\n"); - } - con |= cal_val << reg->calib_mode_shift; - } - if (on) { - con |= (1 << reg->core_en_shift); + con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT); interrupt_en = pdata->trigger_enable[3] << reg->inten_rise3_shift | pdata->trigger_enable[2] << reg->inten_rise2_shift | @@ -383,7 +321,7 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) interrupt_en |= interrupt_en << reg->inten_fall0_shift; } else { - con &= ~(1 << reg->core_en_shift); + con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT); interrupt_en = 0; /* Disable all interrupts */ } writel(interrupt_en, data->base + reg->tmu_inten); @@ -404,8 +342,16 @@ static int exynos_tmu_read(struct exynos_tmu_data *data) clk_enable(data->clk); temp_code = readb(data->base + reg->tmu_cur_temp); - temp = code_to_temp(data, temp_code); + if (data->soc == SOC_ARCH_EXYNOS4210) + /* temp_code should range between 75 and 175 */ + if (temp_code < 75 || temp_code > 175) { + temp = -ENODATA; + goto out; + } + + temp = code_to_temp(data, temp_code); +out: clk_disable(data->clk); mutex_unlock(&data->lock); @@ -465,7 +411,7 @@ static void exynos_tmu_work(struct work_struct *work) struct exynos_tmu_data, irq_work); struct exynos_tmu_platform_data *pdata = data->pdata; const struct exynos_tmu_registers *reg = pdata->registers; - unsigned int val_irq, val_type; + unsigned int val_type; if (!IS_ERR(data->clk_sec)) clk_enable(data->clk_sec); @@ -483,9 +429,7 @@ static void exynos_tmu_work(struct work_struct *work) clk_enable(data->clk); /* TODO: take action based on particular interrupt */ - val_irq = readl(data->base + reg->tmu_intstat); - /* clear the interrupts */ - writel(val_irq, data->base + reg->tmu_intclear); + exynos_tmu_clear_irqs(data); clk_disable(data->clk); mutex_unlock(&data->lock); diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h index 1b4a6444ea61..c58c7663a3fe 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -34,11 +34,6 @@ enum calibration_type { TYPE_NONE, }; -enum calibration_mode { - SW_MODE, - HW_MODE, -}; - enum soc_type { SOC_ARCH_EXYNOS3250 = 1, SOC_ARCH_EXYNOS4210, @@ -82,46 +77,19 @@ enum soc_type { * bitfields. The register validity, offsets and bitfield values may vary * slightly across different exynos SOC's. * @triminfo_data: register containing 2 pont trimming data - * @triminfo_25_shift: shift bit of the 25 C trim value in triminfo_data reg. - * @triminfo_85_shift: shift bit of the 85 C trim value in triminfo_data reg. * @triminfo_ctrl: trim info controller register. - * @triminfo_reload_shift: shift of triminfo reload enable bit in triminfo_ctrl - reg. + * @triminfo_ctrl_count: the number of trim info controller register. * @tmu_ctrl: TMU main controller register. * @test_mux_addr_shift: shift bits of test mux address. - * @buf_vref_sel_shift: shift bits of reference voltage in tmu_ctrl register. - * @buf_vref_sel_mask: mask bits of reference voltage in tmu_ctrl register. * @therm_trip_mode_shift: shift bits of tripping mode in tmu_ctrl register. * @therm_trip_mode_mask: mask bits of tripping mode in tmu_ctrl register. * @therm_trip_en_shift: shift bits of tripping enable in tmu_ctrl register. - * @buf_slope_sel_shift: shift bits of amplifier gain value in tmu_ctrl - register. - * @buf_slope_sel_mask: mask bits of amplifier gain value in tmu_ctrl register. - * @calib_mode_shift: shift bits of calibration mode value in tmu_ctrl - register. - * @calib_mode_mask: mask bits of calibration mode value in tmu_ctrl - register. - * @therm_trip_tq_en_shift: shift bits of thermal trip enable by TQ pin in - tmu_ctrl register. - * @core_en_shift: shift bits of TMU core enable bit in tmu_ctrl register. * @tmu_status: register drescribing the TMU status. * @tmu_cur_temp: register containing the current temperature of the TMU. - * @tmu_cur_temp_shift: shift bits of current temp value in tmu_cur_temp - register. * @threshold_temp: register containing the base threshold level. * @threshold_th0: Register containing first set of rising levels. - * @threshold_th0_l0_shift: shift bits of level0 threshold temperature. - * @threshold_th0_l1_shift: shift bits of level1 threshold temperature. - * @threshold_th0_l2_shift: shift bits of level2 threshold temperature. - * @threshold_th0_l3_shift: shift bits of level3 threshold temperature. * @threshold_th1: Register containing second set of rising levels. - * @threshold_th1_l0_shift: shift bits of level0 threshold temperature. - * @threshold_th1_l1_shift: shift bits of level1 threshold temperature. - * @threshold_th1_l2_shift: shift bits of level2 threshold temperature. - * @threshold_th1_l3_shift: shift bits of level3 threshold temperature. * @threshold_th2: Register containing third set of rising levels. - * @threshold_th2_l0_shift: shift bits of level0 threshold temperature. - * @threshold_th3: Register containing fourth set of rising levels. * @threshold_th3_l0_shift: shift bits of level0 threshold temperature. * @tmu_inten: register containing the different threshold interrupt enable bits. @@ -130,68 +98,35 @@ enum soc_type { * @inten_rise2_shift: shift bits of rising 2 interrupt bits. * @inten_rise3_shift: shift bits of rising 3 interrupt bits. * @inten_fall0_shift: shift bits of falling 0 interrupt bits. - * @inten_fall1_shift: shift bits of falling 1 interrupt bits. - * @inten_fall2_shift: shift bits of falling 2 interrupt bits. - * @inten_fall3_shift: shift bits of falling 3 interrupt bits. * @tmu_intstat: Register containing the interrupt status values. * @tmu_intclear: Register for clearing the raised interrupt status. - * @intclr_fall_shift: shift bits for interrupt clear fall 0 - * @intclr_rise_shift: shift bits of all rising interrupt bits. - * @intclr_rise_mask: mask bits of all rising interrupt bits. - * @intclr_fall_mask: mask bits of all rising interrupt bits. * @emul_con: TMU emulation controller register. * @emul_temp_shift: shift bits of emulation temperature. * @emul_time_shift: shift bits of emulation time. - * @emul_time_mask: mask bits of emulation time. * @tmu_irqstatus: register to find which TMU generated interrupts. * @tmu_pmin: register to get/set the Pmin value. */ struct exynos_tmu_registers { u32 triminfo_data; - u32 triminfo_25_shift; - u32 triminfo_85_shift; - u32 triminfo_ctrl; - u32 triminfo_ctrl1; - u32 triminfo_reload_shift; + u32 triminfo_ctrl[MAX_TRIMINFO_CTRL_REG]; + u32 triminfo_ctrl_count; u32 tmu_ctrl; u32 test_mux_addr_shift; - u32 buf_vref_sel_shift; - u32 buf_vref_sel_mask; u32 therm_trip_mode_shift; u32 therm_trip_mode_mask; u32 therm_trip_en_shift; - u32 buf_slope_sel_shift; - u32 buf_slope_sel_mask; - u32 calib_mode_shift; - u32 calib_mode_mask; - u32 therm_trip_tq_en_shift; - u32 core_en_shift; u32 tmu_status; u32 tmu_cur_temp; - u32 tmu_cur_temp_shift; u32 threshold_temp; u32 threshold_th0; - u32 threshold_th0_l0_shift; - u32 threshold_th0_l1_shift; - u32 threshold_th0_l2_shift; - u32 threshold_th0_l3_shift; - u32 threshold_th1; - u32 threshold_th1_l0_shift; - u32 threshold_th1_l1_shift; - u32 threshold_th1_l2_shift; - u32 threshold_th1_l3_shift; - u32 threshold_th2; - u32 threshold_th2_l0_shift; - - u32 threshold_th3; u32 threshold_th3_l0_shift; u32 tmu_inten; @@ -200,22 +135,14 @@ struct exynos_tmu_registers { u32 inten_rise2_shift; u32 inten_rise3_shift; u32 inten_fall0_shift; - u32 inten_fall1_shift; - u32 inten_fall2_shift; - u32 inten_fall3_shift; u32 tmu_intstat; u32 tmu_intclear; - u32 intclr_fall_shift; - u32 intclr_rise_shift; - u32 intclr_fall_mask; - u32 intclr_rise_mask; u32 emul_con; u32 emul_temp_shift; u32 emul_time_shift; - u32 emul_time_mask; u32 tmu_irqstatus; u32 tmu_pmin; @@ -250,11 +177,12 @@ struct exynos_tmu_registers { * 1 = enable trigger_level[] interrupt, * 0 = disable trigger_level[] interrupt * @max_trigger_level: max trigger level supported by the TMU + * @non_hw_trigger_levels: number of defined non-hardware trigger levels * @gain: gain of amplifier in the positive-TC generator block - * 0 <= gain <= 15 + * 0 < gain <= 15 * @reference_voltage: reference voltage of amplifier * in the positive-TC generator block - * 0 <= reference_voltage <= 31 + * 0 < reference_voltage <= 31 * @noise_cancel_mode: noise cancellation mode * 000, 100, 101, 110 and 111 can be different modes * @type: determines the type of SOC @@ -265,8 +193,8 @@ struct exynos_tmu_registers { * @second_point_trim: temp value of the second point trimming * @default_temp_offset: default temperature offset in case of no trimming * @test_mux; information if SoC supports test MUX + * @triminfo_reload: reload value to read TRIMINFO register * @cal_type: calibration type for temperature - * @cal_mode: calibration mode for temperature * @freq_clip_table: Table representing frequency reduction percentage. * @freq_tab_count: Count of the above table as frequency reduction may * applicable to only some of the trigger levels. @@ -284,6 +212,7 @@ struct exynos_tmu_platform_data { enum trigger_type trigger_type[MAX_TRIP_COUNT]; bool trigger_enable[MAX_TRIP_COUNT]; u8 max_trigger_level; + u8 non_hw_trigger_levels; u8 gain; u8 reference_voltage; u8 noise_cancel_mode; @@ -295,9 +224,9 @@ struct exynos_tmu_platform_data { u8 second_point_trim; u8 default_temp_offset; u8 test_mux; + u8 triminfo_reload[MAX_TRIMINFO_CTRL_REG]; enum calibration_type cal_type; - enum calibration_mode cal_mode; enum soc_type type; struct freq_clip_table freq_tab[4]; unsigned int freq_tab_count; diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index aa8e0dee2055..1724f6cdaef8 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -27,14 +27,7 @@ #if defined(CONFIG_CPU_EXYNOS4210) static const struct exynos_tmu_registers exynos4210_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, - .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, - .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, - .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, - .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, - .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, - .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, - .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, .tmu_status = EXYNOS_TMU_REG_STATUS, .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP, .threshold_temp = EXYNOS4210_TMU_REG_THRESHOLD_TEMP, @@ -46,7 +39,6 @@ static const struct exynos_tmu_registers exynos4210_tmu_registers = { .inten_rise3_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT, .tmu_intstat = EXYNOS_TMU_REG_INTSTAT, .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR, - .intclr_rise_mask = EXYNOS4210_TMU_TRIG_LEVEL_MASK, }; struct exynos_tmu_init_data const exynos4210_default_tmu_data = { @@ -64,6 +56,7 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = { .trigger_type[1] = THROTTLE_ACTIVE, .trigger_type[2] = SW_TRIP, .max_trigger_level = 4, + .non_hw_trigger_levels = 3, .gain = 15, .reference_voltage = 7, .cal_type = TYPE_ONE_POINT_TRIMMING, @@ -93,18 +86,14 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = { #if defined(CONFIG_SOC_EXYNOS3250) static const struct exynos_tmu_registers exynos3250_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, - .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, - .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, + .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON1, + .triminfo_ctrl[1] = EXYNOS_TMU_TRIMINFO_CON2, + .triminfo_ctrl_count = 2, .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT, - .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, - .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, - .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, - .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, - .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, .tmu_status = EXYNOS_TMU_REG_STATUS, .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP, .threshold_th0 = EXYNOS_THD_TEMP_RISE, @@ -116,14 +105,9 @@ static const struct exynos_tmu_registers exynos3250_tmu_registers = { .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT, .tmu_intstat = EXYNOS_TMU_REG_INTSTAT, .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR, - .intclr_fall_shift = EXYNOS_TMU_CLEAR_FALL_INT_SHIFT, - .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT, - .intclr_rise_mask = EXYNOS_TMU_RISE_INT_MASK, - .intclr_fall_mask = EXYNOS_TMU_FALL_INT_MASK, .emul_con = EXYNOS_EMUL_CON, .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT, - .emul_time_mask = EXYNOS_EMUL_TIME_MASK, }; #define EXYNOS3250_TMU_DATA \ @@ -141,6 +125,7 @@ static const struct exynos_tmu_registers exynos3250_tmu_registers = { .trigger_type[2] = SW_TRIP, \ .trigger_type[3] = HW_TRIP, \ .max_trigger_level = 4, \ + .non_hw_trigger_levels = 3, \ .gain = 8, \ .reference_voltage = 16, \ .noise_cancel_mode = 4, \ @@ -160,8 +145,10 @@ static const struct exynos_tmu_registers exynos3250_tmu_registers = { .temp_level = 95, \ }, \ .freq_tab_count = 2, \ + .triminfo_reload[0] = EXYNOS_TRIMINFO_RELOAD_ENABLE, \ + .triminfo_reload[1] = EXYNOS_TRIMINFO_RELOAD_ENABLE, \ .registers = &exynos3250_tmu_registers, \ - .features = (TMU_SUPPORT_EMULATION | \ + .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \ TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ TMU_SUPPORT_EMUL_TIME) #endif @@ -182,20 +169,13 @@ struct exynos_tmu_init_data const exynos3250_default_tmu_data = { #if defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250) static const struct exynos_tmu_registers exynos4412_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, - .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, - .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, - .triminfo_ctrl = EXYNOS_TMU_TRIMINFO_CON, - .triminfo_reload_shift = EXYNOS_TRIMINFO_RELOAD_SHIFT, + .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON2, + .triminfo_ctrl_count = 1, .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT, - .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, - .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, - .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, - .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, - .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, .tmu_status = EXYNOS_TMU_REG_STATUS, .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP, .threshold_th0 = EXYNOS_THD_TEMP_RISE, @@ -208,14 +188,9 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = { .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT, .tmu_intstat = EXYNOS_TMU_REG_INTSTAT, .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR, - .intclr_fall_shift = EXYNOS_TMU_CLEAR_FALL_INT_SHIFT, - .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT, - .intclr_rise_mask = EXYNOS_TMU_RISE_INT_MASK, - .intclr_fall_mask = EXYNOS_TMU_FALL_INT_MASK, .emul_con = EXYNOS_EMUL_CON, .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT, - .emul_time_mask = EXYNOS_EMUL_TIME_MASK, }; #define EXYNOS4412_TMU_DATA \ @@ -233,6 +208,7 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = { .trigger_type[2] = SW_TRIP, \ .trigger_type[3] = HW_TRIP, \ .max_trigger_level = 4, \ + .non_hw_trigger_levels = 3, \ .gain = 8, \ .reference_voltage = 16, \ .noise_cancel_mode = 4, \ @@ -252,6 +228,7 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = { .temp_level = 95, \ }, \ .freq_tab_count = 2, \ + .triminfo_reload[0] = EXYNOS_TRIMINFO_RELOAD_ENABLE, \ .registers = &exynos4412_tmu_registers, \ .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \ TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ @@ -286,18 +263,10 @@ struct exynos_tmu_init_data const exynos5250_default_tmu_data = { #if defined(CONFIG_SOC_EXYNOS5260) static const struct exynos_tmu_registers exynos5260_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, - .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, - .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, - .tmu_ctrl = EXYNOS_TMU_REG_CONTROL1, - .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, - .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, - .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, - .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, - .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, .tmu_status = EXYNOS_TMU_REG_STATUS, .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP, .threshold_th0 = EXYNOS_THD_TEMP_RISE, @@ -310,14 +279,9 @@ static const struct exynos_tmu_registers exynos5260_tmu_registers = { .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT, .tmu_intstat = EXYNOS5260_TMU_REG_INTSTAT, .tmu_intclear = EXYNOS5260_TMU_REG_INTCLEAR, - .intclr_fall_shift = EXYNOS5420_TMU_CLEAR_FALL_INT_SHIFT, - .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT, - .intclr_rise_mask = EXYNOS5260_TMU_RISE_INT_MASK, - .intclr_fall_mask = EXYNOS5260_TMU_FALL_INT_MASK, .emul_con = EXYNOS5260_EMUL_CON, .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT, - .emul_time_mask = EXYNOS_EMUL_TIME_MASK, }; #define __EXYNOS5260_TMU_DATA \ @@ -335,6 +299,7 @@ static const struct exynos_tmu_registers exynos5260_tmu_registers = { .trigger_type[2] = SW_TRIP, \ .trigger_type[3] = HW_TRIP, \ .max_trigger_level = 4, \ + .non_hw_trigger_levels = 3, \ .gain = 8, \ .reference_voltage = 16, \ .noise_cancel_mode = 4, \ @@ -359,9 +324,8 @@ static const struct exynos_tmu_registers exynos5260_tmu_registers = { #define EXYNOS5260_TMU_DATA \ __EXYNOS5260_TMU_DATA \ .type = SOC_ARCH_EXYNOS5260, \ - .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \ - TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ - TMU_SUPPORT_EMUL_TIME) + .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_FALLING_TRIP | \ + TMU_SUPPORT_READY_STATUS | TMU_SUPPORT_EMUL_TIME) struct exynos_tmu_init_data const exynos5260_default_tmu_data = { .tmu_data = { @@ -378,17 +342,10 @@ struct exynos_tmu_init_data const exynos5260_default_tmu_data = { #if defined(CONFIG_SOC_EXYNOS5420) static const struct exynos_tmu_registers exynos5420_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, - .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, - .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, - .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, - .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, - .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, - .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, - .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, .tmu_status = EXYNOS_TMU_REG_STATUS, .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP, .threshold_th0 = EXYNOS_THD_TEMP_RISE, @@ -402,14 +359,9 @@ static const struct exynos_tmu_registers exynos5420_tmu_registers = { .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT, .tmu_intstat = EXYNOS_TMU_REG_INTSTAT, .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR, - .intclr_fall_shift = EXYNOS5420_TMU_CLEAR_FALL_INT_SHIFT, - .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT, - .intclr_rise_mask = EXYNOS_TMU_RISE_INT_MASK, - .intclr_fall_mask = EXYNOS_TMU_FALL_INT_MASK, .emul_con = EXYNOS_EMUL_CON, .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT, - .emul_time_mask = EXYNOS_EMUL_TIME_MASK, }; #define __EXYNOS5420_TMU_DATA \ @@ -427,6 +379,7 @@ static const struct exynos_tmu_registers exynos5420_tmu_registers = { .trigger_type[2] = SW_TRIP, \ .trigger_type[3] = HW_TRIP, \ .max_trigger_level = 4, \ + .non_hw_trigger_levels = 3, \ .gain = 8, \ .reference_voltage = 16, \ .noise_cancel_mode = 4, \ @@ -451,16 +404,15 @@ static const struct exynos_tmu_registers exynos5420_tmu_registers = { #define EXYNOS5420_TMU_DATA \ __EXYNOS5420_TMU_DATA \ .type = SOC_ARCH_EXYNOS5250, \ - .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \ - TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ - TMU_SUPPORT_EMUL_TIME) + .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_FALLING_TRIP | \ + TMU_SUPPORT_READY_STATUS | TMU_SUPPORT_EMUL_TIME) #define EXYNOS5420_TMU_DATA_SHARED \ __EXYNOS5420_TMU_DATA \ .type = SOC_ARCH_EXYNOS5420_TRIMINFO, \ - .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \ - TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ - TMU_SUPPORT_EMUL_TIME | TMU_SUPPORT_ADDRESS_MULTIPLE) + .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_FALLING_TRIP | \ + TMU_SUPPORT_READY_STATUS | TMU_SUPPORT_EMUL_TIME | \ + TMU_SUPPORT_ADDRESS_MULTIPLE) struct exynos_tmu_init_data const exynos5420_default_tmu_data = { .tmu_data = { @@ -477,19 +429,10 @@ struct exynos_tmu_init_data const exynos5420_default_tmu_data = { #if defined(CONFIG_SOC_EXYNOS5440) static const struct exynos_tmu_registers exynos5440_tmu_registers = { .triminfo_data = EXYNOS5440_TMU_S0_7_TRIM, - .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT, - .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT, .tmu_ctrl = EXYNOS5440_TMU_S0_7_CTRL, - .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT, - .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK, .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, - .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT, - .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK, - .calib_mode_shift = EXYNOS_TMU_CALIB_MODE_SHIFT, - .calib_mode_mask = EXYNOS_TMU_CALIB_MODE_MASK, - .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT, .tmu_status = EXYNOS5440_TMU_S0_7_STATUS, .tmu_cur_temp = EXYNOS5440_TMU_S0_7_TEMP, .threshold_th0 = EXYNOS5440_TMU_S0_7_TH0, @@ -504,10 +447,6 @@ static const struct exynos_tmu_registers exynos5440_tmu_registers = { .inten_fall0_shift = EXYNOS5440_TMU_INTEN_FALL0_SHIFT, .tmu_intstat = EXYNOS5440_TMU_S0_7_IRQ, .tmu_intclear = EXYNOS5440_TMU_S0_7_IRQ, - .intclr_fall_shift = EXYNOS5440_TMU_CLEAR_FALL_INT_SHIFT, - .intclr_rise_shift = EXYNOS5440_TMU_RISE_INT_SHIFT, - .intclr_rise_mask = EXYNOS5440_TMU_RISE_INT_MASK, - .intclr_fall_mask = EXYNOS5440_TMU_FALL_INT_MASK, .tmu_irqstatus = EXYNOS5440_TMU_IRQ_STATUS, .emul_con = EXYNOS5440_TMU_S0_7_DEBUG, .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT, @@ -521,11 +460,11 @@ static const struct exynos_tmu_registers exynos5440_tmu_registers = { .trigger_type[0] = SW_TRIP, \ .trigger_type[4] = HW_TRIP, \ .max_trigger_level = 5, \ + .non_hw_trigger_levels = 1, \ .gain = 5, \ .reference_voltage = 16, \ .noise_cancel_mode = 4, \ .cal_type = TYPE_ONE_POINT_TRIMMING, \ - .cal_mode = 0, \ .efuse_value = 0x5b2d, \ .min_efuse_value = 16, \ .max_efuse_value = 76, \ diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h index f0979e598491..63de598c9c2c 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.h +++ b/drivers/thermal/samsung/exynos_tmu_data.h @@ -39,55 +39,31 @@ #define EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT 8 #define EXYNOS_TMU_CORE_EN_SHIFT 0 +/* Exynos3250 specific registers */ +#define EXYNOS_TMU_TRIMINFO_CON1 0x10 + /* Exynos4210 specific registers */ #define EXYNOS4210_TMU_REG_THRESHOLD_TEMP 0x44 #define EXYNOS4210_TMU_REG_TRIG_LEVEL0 0x50 -#define EXYNOS4210_TMU_REG_TRIG_LEVEL1 0x54 -#define EXYNOS4210_TMU_REG_TRIG_LEVEL2 0x58 -#define EXYNOS4210_TMU_REG_TRIG_LEVEL3 0x5C -#define EXYNOS4210_TMU_REG_PAST_TEMP0 0x60 -#define EXYNOS4210_TMU_REG_PAST_TEMP1 0x64 -#define EXYNOS4210_TMU_REG_PAST_TEMP2 0x68 -#define EXYNOS4210_TMU_REG_PAST_TEMP3 0x6C -#define EXYNOS4210_TMU_TRIG_LEVEL0_MASK 0x1 -#define EXYNOS4210_TMU_TRIG_LEVEL1_MASK 0x10 -#define EXYNOS4210_TMU_TRIG_LEVEL2_MASK 0x100 -#define EXYNOS4210_TMU_TRIG_LEVEL3_MASK 0x1000 -#define EXYNOS4210_TMU_TRIG_LEVEL_MASK 0x1111 -#define EXYNOS4210_TMU_INTCLEAR_VAL 0x1111 - -/* Exynos5250 and Exynos4412 specific registers */ -#define EXYNOS_TMU_TRIMINFO_CON 0x14 +/* Exynos5250, Exynos4412, Exynos3250 specific registers */ +#define EXYNOS_TMU_TRIMINFO_CON2 0x14 #define EXYNOS_THD_TEMP_RISE 0x50 #define EXYNOS_THD_TEMP_FALL 0x54 #define EXYNOS_EMUL_CON 0x80 -#define EXYNOS_TRIMINFO_RELOAD_SHIFT 1 +#define EXYNOS_TRIMINFO_RELOAD_ENABLE 1 #define EXYNOS_TRIMINFO_25_SHIFT 0 #define EXYNOS_TRIMINFO_85_SHIFT 8 -#define EXYNOS_TMU_RISE_INT_MASK 0x111 -#define EXYNOS_TMU_RISE_INT_SHIFT 0 -#define EXYNOS_TMU_FALL_INT_MASK 0x111 -#define EXYNOS_TMU_CLEAR_RISE_INT 0x111 -#define EXYNOS_TMU_CLEAR_FALL_INT (0x111 << 12) -#define EXYNOS_TMU_CLEAR_FALL_INT_SHIFT 12 -#define EXYNOS5420_TMU_CLEAR_FALL_INT_SHIFT 16 -#define EXYNOS5440_TMU_CLEAR_FALL_INT_SHIFT 4 #define EXYNOS_TMU_TRIP_MODE_SHIFT 13 #define EXYNOS_TMU_TRIP_MODE_MASK 0x7 #define EXYNOS_TMU_THERM_TRIP_EN_SHIFT 12 -#define EXYNOS_TMU_CALIB_MODE_SHIFT 4 -#define EXYNOS_TMU_CALIB_MODE_MASK 0x3 #define EXYNOS_TMU_INTEN_RISE0_SHIFT 0 #define EXYNOS_TMU_INTEN_RISE1_SHIFT 4 #define EXYNOS_TMU_INTEN_RISE2_SHIFT 8 #define EXYNOS_TMU_INTEN_RISE3_SHIFT 12 #define EXYNOS_TMU_INTEN_FALL0_SHIFT 16 -#define EXYNOS_TMU_INTEN_FALL1_SHIFT 20 -#define EXYNOS_TMU_INTEN_FALL2_SHIFT 24 -#define EXYNOS_TMU_INTEN_FALL3_SHIFT 28 #define EXYNOS_EMUL_TIME 0x57F0 #define EXYNOS_EMUL_TIME_MASK 0xffff @@ -99,14 +75,9 @@ #define EXYNOS_MAX_TRIGGER_PER_REG 4 /* Exynos5260 specific */ -#define EXYNOS_TMU_REG_CONTROL1 0x24 #define EXYNOS5260_TMU_REG_INTEN 0xC0 #define EXYNOS5260_TMU_REG_INTSTAT 0xC4 #define EXYNOS5260_TMU_REG_INTCLEAR 0xC8 -#define EXYNOS5260_TMU_CLEAR_RISE_INT 0x1111 -#define EXYNOS5260_TMU_CLEAR_FALL_INT (0x1111 << 16) -#define EXYNOS5260_TMU_RISE_INT_MASK 0x1111 -#define EXYNOS5260_TMU_FALL_INT_MASK 0x1111 #define EXYNOS5260_EMUL_CON 0x100 /* Exynos4412 specific */ @@ -122,29 +93,17 @@ #define EXYNOS5440_TMU_S0_7_TH0 0x110 #define EXYNOS5440_TMU_S0_7_TH1 0x130 #define EXYNOS5440_TMU_S0_7_TH2 0x150 -#define EXYNOS5440_TMU_S0_7_EVTEN 0x1F0 #define EXYNOS5440_TMU_S0_7_IRQEN 0x210 #define EXYNOS5440_TMU_S0_7_IRQ 0x230 /* exynos5440 common registers */ #define EXYNOS5440_TMU_IRQ_STATUS 0x000 #define EXYNOS5440_TMU_PMIN 0x004 -#define EXYNOS5440_TMU_TEMP 0x008 -#define EXYNOS5440_TMU_RISE_INT_MASK 0xf -#define EXYNOS5440_TMU_RISE_INT_SHIFT 0 -#define EXYNOS5440_TMU_FALL_INT_MASK 0xf #define EXYNOS5440_TMU_INTEN_RISE0_SHIFT 0 #define EXYNOS5440_TMU_INTEN_RISE1_SHIFT 1 #define EXYNOS5440_TMU_INTEN_RISE2_SHIFT 2 #define EXYNOS5440_TMU_INTEN_RISE3_SHIFT 3 #define EXYNOS5440_TMU_INTEN_FALL0_SHIFT 4 -#define EXYNOS5440_TMU_INTEN_FALL1_SHIFT 5 -#define EXYNOS5440_TMU_INTEN_FALL2_SHIFT 6 -#define EXYNOS5440_TMU_INTEN_FALL3_SHIFT 7 -#define EXYNOS5440_TMU_TH_RISE0_SHIFT 0 -#define EXYNOS5440_TMU_TH_RISE1_SHIFT 8 -#define EXYNOS5440_TMU_TH_RISE2_SHIFT 16 -#define EXYNOS5440_TMU_TH_RISE3_SHIFT 24 #define EXYNOS5440_TMU_TH_RISE4_SHIFT 24 #define EXYNOS5440_EFUSE_SWAP_OFFSET 8 diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c index f251521baaa2..fdd1f523a1ed 100644 --- a/drivers/thermal/step_wise.c +++ b/drivers/thermal/step_wise.c @@ -23,6 +23,7 @@ */ #include +#include #include "thermal_core.h" @@ -76,7 +77,7 @@ static unsigned long get_target_state(struct thermal_instance *instance, next_target = instance->upper; break; case THERMAL_TREND_DROPPING: - if (cur_state == instance->lower) { + if (cur_state <= instance->lower) { if (!throttle) next_target = THERMAL_NO_TARGET; } else { @@ -129,8 +130,10 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip) trend = get_tz_trend(tz, trip); - if (tz->temperature >= trip_temp) + if (tz->temperature >= trip_temp) { throttle = true; + trace_thermal_zone_trip(tz, trip, trip_type); + } dev_dbg(&tz->device, "Trip%d[type=%d,temp=%ld]:trend=%d,throttle=%d\n", trip, trip_type, trip_temp, trend, throttle); diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 1e23f4f8d2c2..43b90709585f 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -38,6 +38,9 @@ #include #include +#define CREATE_TRACE_POINTS +#include + #include "thermal_core.h" #include "thermal_hwmon.h" @@ -368,6 +371,8 @@ static void handle_critical_trips(struct thermal_zone_device *tz, if (tz->temperature < trip_temp) return; + trace_thermal_zone_trip(tz, trip, trip_type); + if (tz->ops->notify) tz->ops->notify(tz, trip, trip_type); @@ -463,6 +468,7 @@ static void update_temperature(struct thermal_zone_device *tz) tz->temperature = temp; mutex_unlock(&tz->lock); + trace_thermal_temperature(tz); dev_dbg(&tz->device, "last_temperature=%d, current_temperature=%d\n", tz->last_temperature, tz->temperature); } @@ -1287,6 +1293,7 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev) mutex_unlock(&cdev->lock); cdev->ops->set_cur_state(cdev, target); cdev->updated = true; + trace_cdev_update(cdev, target); dev_dbg(&cdev->device, "set to state %lu\n", target); } EXPORT_SYMBOL(thermal_cdev_update); @@ -1568,8 +1575,7 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type, thermal_zone_device_update(tz); - if (!result) - return tz; + return tz; unregister: release_idr(&thermal_tz_idr, &thermal_idr_lock, tz->id); @@ -1790,6 +1796,10 @@ static int __init thermal_register_governors(void) if (result) return result; + result = thermal_gov_bang_bang_register(); + if (result) + return result; + return thermal_gov_user_space_register(); } @@ -1797,6 +1807,7 @@ static void thermal_unregister_governors(void) { thermal_gov_step_wise_unregister(); thermal_gov_fair_share_unregister(); + thermal_gov_bang_bang_unregister(); thermal_gov_user_space_unregister(); } diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index 3db339fb636f..d15d243de27a 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -69,6 +69,14 @@ static inline int thermal_gov_fair_share_register(void) { return 0; } static inline void thermal_gov_fair_share_unregister(void) {} #endif /* CONFIG_THERMAL_GOV_FAIR_SHARE */ +#ifdef CONFIG_THERMAL_GOV_BANG_BANG +int thermal_gov_bang_bang_register(void); +void thermal_gov_bang_bang_unregister(void); +#else +static inline int thermal_gov_bang_bang_register(void) { return 0; } +static inline void thermal_gov_bang_bang_unregister(void) {} +#endif /* CONFIG_THERMAL_GOV_BANG_BANG */ + #ifdef CONFIG_THERMAL_GOV_USER_SPACE int thermal_gov_user_space_register(void); void thermal_gov_user_space_unregister(void); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 89c4cee253e3..2e900a98c3e3 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -2413,12 +2413,17 @@ static unsigned int n_tty_poll(struct tty_struct *tty, struct file *file, poll_wait(file, &tty->read_wait, wait); poll_wait(file, &tty->write_wait, wait); - if (input_available_p(tty, 1)) - mask |= POLLIN | POLLRDNORM; - if (tty->packet && tty->link->ctrl_status) - mask |= POLLPRI | POLLIN | POLLRDNORM; if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) mask |= POLLHUP; + if (input_available_p(tty, 1)) + mask |= POLLIN | POLLRDNORM; + else if (mask & POLLHUP) { + tty_flush_to_ldisc(tty); + if (input_available_p(tty, 1)) + mask |= POLLIN | POLLRDNORM; + } + if (tty->packet && tty->link->ctrl_status) + mask |= POLLPRI | POLLIN | POLLRDNORM; if (tty_hung_up_p(file)) mask |= POLLHUP; if (!(mask & (POLLHUP | POLLIN | POLLRDNORM))) { diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c index 8f37d57165ec..de7aae523b37 100644 --- a/drivers/tty/serial/8250/8250_mtk.c +++ b/drivers/tty/serial/8250/8250_mtk.c @@ -81,7 +81,7 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios, /* Set to highest baudrate supported */ if (baud >= 1152000) baud = 921600; - quot = DIV_ROUND_CLOSEST(port->uartclk, 256 * baud); + quot = (port->uartclk / (256 * baud)) + 1; } /* diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index 8bc2563335ae..56982da4a9e9 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -158,7 +158,7 @@ static int of_platform_serial_probe(struct platform_device *ofdev) if (of_find_property(ofdev->dev.of_node, "used-by-rtas", NULL)) return -EBUSY; - info = kmalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (info == NULL) return -ENOMEM; diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index df3a8c74358e..eaeb9a02c7fe 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -363,7 +363,7 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios, * The spd_hi, spd_vhi, spd_shi, spd_warp kludge... * Die! Die! Die! */ - if (baud == 38400) + if (try == 0 && baud == 38400) baud = altbaud; /* diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 16a2c0237dd6..0508a1d8e4cd 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1709,6 +1709,8 @@ int tty_release(struct inode *inode, struct file *filp) int pty_master, tty_closing, o_tty_closing, do_sleep; int idx; char buf[64]; + long timeout = 0; + int once = 1; if (tty_paranoia_check(tty, inode, __func__)) return 0; @@ -1789,11 +1791,18 @@ int tty_release(struct inode *inode, struct file *filp) if (!do_sleep) break; - printk(KERN_WARNING "%s: %s: read/write wait queue active!\n", - __func__, tty_name(tty, buf)); + if (once) { + once = 0; + printk(KERN_WARNING "%s: %s: read/write wait queue active!\n", + __func__, tty_name(tty, buf)); + } tty_unlock_pair(tty, o_tty); mutex_unlock(&tty_mutex); - schedule(); + schedule_timeout_killable(timeout); + if (timeout < 120 * HZ) + timeout = 2 * timeout + 1; + else + timeout = MAX_SCHEDULE_TIMEOUT; } /* diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index 610b720d3b91..59b25e039968 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -539,6 +539,12 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) /* Save original vc_unipagdir_loc in case we allocate a new one */ p = *vc->vc_uni_pagedir_loc; + + if (!p) { + err = -EINVAL; + + goto out_unlock; + } if (p->refcount > 1) { int j, k; @@ -623,6 +629,7 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) set_inverse_transl(vc, p, i); /* Update inverse translations */ set_inverse_trans_unicode(vc, p); +out_unlock: console_unlock(); return err; } diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index a673e5b6a2e0..60fa6278fbce 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -28,18 +28,6 @@ #define UIO_MAX_DEVICES (1U << MINORBITS) -struct uio_device { - struct module *owner; - struct device *dev; - int minor; - atomic_t event; - struct fasync_struct *async_queue; - wait_queue_head_t wait; - struct uio_info *info; - struct kobject *map_dir; - struct kobject *portio_dir; -}; - static int uio_major; static struct cdev *uio_cdev; static DEFINE_IDR(uio_idr); diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 3df5005c554d..9bdc6bd73432 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -742,7 +742,6 @@ static int ci_hdrc_remove(struct platform_device *pdev) ci_role_destroy(ci); ci_hdrc_enter_lpm(ci, true); usb_phy_shutdown(ci->transceiver); - kfree(ci->hw_bank.regmap); return 0; } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index e934e19f49f5..077d58ac3dcb 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -60,6 +60,9 @@ static struct acm *acm_table[ACM_TTY_MINORS]; static DEFINE_MUTEX(acm_table_lock); +static void acm_tty_set_termios(struct tty_struct *tty, + struct ktermios *termios_old); + /* * acm_table accessors */ @@ -145,8 +148,15 @@ static int acm_ctrl_msg(struct acm *acm, int request, int value, /* devices aren't required to support these requests. * the cdc acm descriptor tells whether they do... */ -#define acm_set_control(acm, control) \ - acm_ctrl_msg(acm, USB_CDC_REQ_SET_CONTROL_LINE_STATE, control, NULL, 0) +static inline int acm_set_control(struct acm *acm, int control) +{ + if (acm->quirks & QUIRK_CONTROL_LINE_STATE) + return -EOPNOTSUPP; + + return acm_ctrl_msg(acm, USB_CDC_REQ_SET_CONTROL_LINE_STATE, + control, NULL, 0); +} + #define acm_set_line(acm, line) \ acm_ctrl_msg(acm, USB_CDC_REQ_SET_LINE_CODING, 0, line, sizeof *(line)) #define acm_send_break(acm, ms) \ @@ -554,6 +564,8 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty) goto error_submit_urb; } + acm_tty_set_termios(tty, NULL); + /* * Unthrottle device in case the TTY was closed while throttled. */ @@ -980,11 +992,12 @@ static void acm_tty_set_termios(struct tty_struct *tty, /* FIXME: Needs to clear unsupported bits in the termios */ acm->clocal = ((termios->c_cflag & CLOCAL) != 0); - if (!newline.dwDTERate) { + if (C_BAUD(tty) == B0) { newline.dwDTERate = acm->line.dwDTERate; newctrl &= ~ACM_CTRL_DTR; - } else + } else if (termios_old && (termios_old->c_cflag & CBAUD) == B0) { newctrl |= ACM_CTRL_DTR; + } if (newctrl != acm->ctrlout) acm_set_control(acm, acm->ctrlout = newctrl); @@ -1314,6 +1327,7 @@ static int acm_probe(struct usb_interface *intf, tty_port_init(&acm->port); acm->port.ops = &acm_port_ops; init_usb_anchor(&acm->delayed); + acm->quirks = quirks; buf = usb_alloc_coherent(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma); if (!buf) { @@ -1681,6 +1695,9 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */ + .driver_info = QUIRK_CONTROL_LINE_STATE, }, + { USB_DEVICE(0x2184, 0x001c) }, /* GW Instek AFG-2225 */ { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */ }, /* Motorola H24 HSPA module: */ diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index fc75651afe1c..d3251ebd09e2 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -121,6 +121,7 @@ struct acm { unsigned int throttle_req:1; /* throttle requested */ u8 bInterval; struct usb_anchor delayed; /* writes queued for a device about to be woken */ + unsigned long quirks; }; #define CDC_DATA_INTERFACE_TYPE 0x0a @@ -132,3 +133,4 @@ struct acm { #define NOT_A_MODEM BIT(3) #define NO_DATA_INTERFACE BIT(4) #define IGNORE_DEVICE BIT(5) +#define QUIRK_CONTROL_LINE_STATE BIT(6) diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index b84fb141e122..a6efb4184f2b 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2060,6 +2060,8 @@ int usb_alloc_streams(struct usb_interface *interface, return -EINVAL; if (dev->speed != USB_SPEED_SUPER) return -EINVAL; + if (dev->state < USB_STATE_CONFIGURED) + return -ENODEV; for (i = 0; i < num_eps; i++) { /* Streams only apply to bulk endpoints. */ diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 11e80ac31324..b649fef2e35d 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4468,9 +4468,6 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, if (retval) goto fail; - if (hcd->usb_phy && !hdev->parent) - usb_phy_notify_connect(hcd->usb_phy, udev->speed); - /* * Some superspeed devices have finished the link training process * and attached to a superspeed hub port, but the device descriptor @@ -4627,8 +4624,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, /* Disconnect any existing devices under this port */ if (udev) { - if (hcd->usb_phy && !hdev->parent && - !(portstatus & USB_PORT_STAT_CONNECTION)) + if (hcd->usb_phy && !hdev->parent) usb_phy_notify_disconnect(hcd->usb_phy, udev->speed); usb_disconnect(&port_dev->child); } @@ -4783,6 +4779,10 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, port_dev->child = NULL; spin_unlock_irq(&device_state_lock); mutex_unlock(&usb_port_peer_mutex); + } else { + if (hcd->usb_phy && !hdev->parent) + usb_phy_notify_connect(hcd->usb_phy, + udev->speed); } } diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 5ae883dc21f5..39b4081b632d 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -97,6 +97,12 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x04f3, 0x0089), .driver_info = USB_QUIRK_DEVICE_QUALIFIER }, + { USB_DEVICE(0x04f3, 0x009b), .driver_info = + USB_QUIRK_DEVICE_QUALIFIER }, + + { USB_DEVICE(0x04f3, 0x016f), .driver_info = + USB_QUIRK_DEVICE_QUALIFIER }, + /* Roland SC-8820 */ { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index bf015ab3b44c..55c90c53f2d6 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -619,7 +619,7 @@ struct dwc2_hsotg { unsigned port_suspend_change:1; unsigned port_over_current_change:1; unsigned port_l1_change:1; - unsigned reserved:26; + unsigned reserved:25; } b; } flags; diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 7b5856fadd93..8b5c079c7b7d 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2327,7 +2327,7 @@ static irqreturn_t s3c_hsotg_irq(int irq, void *pw) u32 usb_status = readl(hsotg->regs + GOTGCTL); - dev_info(hsotg->dev, "%s: USBRst\n", __func__); + dev_dbg(hsotg->dev, "%s: USBRst\n", __func__); dev_dbg(hsotg->dev, "GNPTXSTS=%08x\n", readl(hsotg->regs + GNPTXSTS)); @@ -2561,8 +2561,10 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, hs_ep->fifo_size = val; break; } - if (i == 8) - return -ENOMEM; + if (i == 8) { + ret = -ENOMEM; + goto error; + } } /* for non control endpoints, set PID to D0 */ @@ -2579,6 +2581,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, /* enable the endpoint interrupt */ s3c_hsotg_ctrl_epint(hsotg, index, dir_in, 1); +error: spin_unlock_irqrestore(&hsotg->lock, flags); return ret; } @@ -2934,9 +2937,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget, spin_lock_irqsave(&hsotg->lock, flags); - if (!driver) - hsotg->driver = NULL; - + hsotg->driver = NULL; hsotg->gadget.speed = USB_SPEED_UNKNOWN; spin_unlock_irqrestore(&hsotg->lock, flags); @@ -3567,6 +3568,7 @@ static int s3c_hsotg_probe(struct platform_device *pdev) s3c_hsotg_initep(hsotg, &hsotg->eps[epnum], epnum); /* disable power and clock */ + s3c_hsotg_phy_disable(hsotg); ret = regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3575,8 +3577,6 @@ static int s3c_hsotg_probe(struct platform_device *pdev) goto err_ep_mem; } - s3c_hsotg_phy_disable(hsotg); - ret = usb_add_gadget_udc(&pdev->dev, &hsotg->gadget); if (ret) goto err_ep_mem; diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 2f537d588225..a0aa9f3da441 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -597,7 +597,7 @@ static int dwc3_omap_prepare(struct device *dev) { struct dwc3_omap *omap = dev_get_drvdata(dev); - dwc3_omap_write_irqmisc_set(omap, 0x00); + dwc3_omap_disable_irqs(omap); return 0; } @@ -605,19 +605,8 @@ static int dwc3_omap_prepare(struct device *dev) static void dwc3_omap_complete(struct device *dev) { struct dwc3_omap *omap = dev_get_drvdata(dev); - u32 reg; - reg = (USBOTGSS_IRQMISC_OEVT | - USBOTGSS_IRQMISC_DRVVBUS_RISE | - USBOTGSS_IRQMISC_CHRGVBUS_RISE | - USBOTGSS_IRQMISC_DISCHRGVBUS_RISE | - USBOTGSS_IRQMISC_IDPULLUP_RISE | - USBOTGSS_IRQMISC_DRVVBUS_FALL | - USBOTGSS_IRQMISC_CHRGVBUS_FALL | - USBOTGSS_IRQMISC_DISCHRGVBUS_FALL | - USBOTGSS_IRQMISC_IDPULLUP_FALL); - - dwc3_omap_write_irqmisc_set(omap, reg); + dwc3_omap_enable_irqs(omap); } static int dwc3_omap_suspend(struct device *dev) diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 436fb08c40b8..a36cf66302fb 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -30,6 +30,7 @@ #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd #define PCI_DEVICE_ID_INTEL_BYT 0x0f37 #define PCI_DEVICE_ID_INTEL_MRFLD 0x119e +#define PCI_DEVICE_ID_INTEL_BSW 0x22B7 struct dwc3_pci { struct device *dev; @@ -181,6 +182,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = { PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS, PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), }, { } /* Terminating Entry */ diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index b35938777dde..711b23019d54 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -256,7 +256,7 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) /* stall is always issued on EP0 */ dep = dwc->eps[0]; - __dwc3_gadget_ep_set_halt(dep, 1); + __dwc3_gadget_ep_set_halt(dep, 1, false); dep->flags = DWC3_EP_ENABLED; dwc->delayed_status = false; @@ -271,7 +271,7 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) dwc3_ep0_out_start(dwc); } -int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value) +int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value) { struct dwc3_ep *dep = to_dwc3_ep(ep); struct dwc3 *dwc = dep->dwc; @@ -281,6 +281,20 @@ int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value) return 0; } +int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value) +{ + struct dwc3_ep *dep = to_dwc3_ep(ep); + struct dwc3 *dwc = dep->dwc; + unsigned long flags; + int ret; + + spin_lock_irqsave(&dwc->lock, flags); + ret = __dwc3_gadget_ep0_set_halt(ep, value); + spin_unlock_irqrestore(&dwc->lock, flags); + + return ret; +} + void dwc3_ep0_out_start(struct dwc3 *dwc) { int ret; @@ -466,7 +480,7 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, return -EINVAL; if (set == 0 && (dep->flags & DWC3_EP_WEDGE)) break; - ret = __dwc3_gadget_ep_set_halt(dep, set); + ret = __dwc3_gadget_ep_set_halt(dep, set, true); if (ret) return -EINVAL; break; @@ -775,9 +789,6 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS; - r = next_request(&ep0->request_list); - ur = &r->request; - trb = dwc->ep0_trb; status = DWC3_TRB_SIZE_TRBSTS(trb->size); @@ -790,6 +801,12 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, return; } + r = next_request(&ep0->request_list); + if (!r) + return; + + ur = &r->request; + length = trb->size & DWC3_TRB_SIZE_MASK; if (dwc->ep0_bounced) { @@ -811,12 +828,19 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, dwc3_ep0_stall_and_restart(dwc); } else { - /* - * handle the case where we have to send a zero packet. This - * seems to be case when req.length > maxpacket. Could it be? - */ - if (r) - dwc3_gadget_giveback(ep0, r, 0); + dwc3_gadget_giveback(ep0, r, 0); + + if (IS_ALIGNED(ur->length, ep0->endpoint.maxpacket) && + ur->length && ur->zero) { + int ret; + + dwc->ep0_next_event = DWC3_EP0_COMPLETE; + + ret = dwc3_ep0_start_trans(dwc, epnum, + dwc->ctrl_req_addr, 0, + DWC3_TRBCTL_CONTROL_DATA); + WARN_ON(ret < 0); + } } } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 3818b26bfc05..546ea5431b8c 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -525,12 +525,11 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, if (!usb_endpoint_xfer_isoc(desc)) return 0; - memset(&trb_link, 0, sizeof(trb_link)); - /* Link TRB for ISOC. The HWO bit is never reset */ trb_st_hw = &dep->trb_pool[0]; trb_link = &dep->trb_pool[DWC3_TRB_NUM - 1]; + memset(trb_link, 0, sizeof(*trb_link)); trb_link->bpl = lower_32_bits(dwc3_trb_dma_offset(dep, trb_st_hw)); trb_link->bph = upper_32_bits(dwc3_trb_dma_offset(dep, trb_st_hw)); @@ -581,7 +580,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) /* make sure HW endpoint isn't stalled */ if (dep->flags & DWC3_EP_STALL) - __dwc3_gadget_ep_set_halt(dep, 0); + __dwc3_gadget_ep_set_halt(dep, 0, false); reg = dwc3_readl(dwc->regs, DWC3_DALEPENA); reg &= ~DWC3_DALEPENA_EP(dep->number); @@ -1202,15 +1201,28 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, return ret; } -int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value) +int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol) { struct dwc3_gadget_ep_cmd_params params; struct dwc3 *dwc = dep->dwc; int ret; + if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) { + dev_err(dwc->dev, "%s is of Isochronous type\n", dep->name); + return -EINVAL; + } + memset(¶ms, 0x00, sizeof(params)); if (value) { + if (!protocol && ((dep->direction && dep->flags & DWC3_EP_BUSY) || + (!list_empty(&dep->req_queued) || + !list_empty(&dep->request_list)))) { + dev_dbg(dwc->dev, "%s: pending request, cannot halt\n", + dep->name); + return -EAGAIN; + } + ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, DWC3_DEPCMD_SETSTALL, ¶ms); if (ret) @@ -1241,15 +1253,7 @@ static int dwc3_gadget_ep_set_halt(struct usb_ep *ep, int value) int ret; spin_lock_irqsave(&dwc->lock, flags); - - if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) { - dev_err(dwc->dev, "%s is of Isochronous type\n", dep->name); - ret = -EINVAL; - goto out; - } - - ret = __dwc3_gadget_ep_set_halt(dep, value); -out: + ret = __dwc3_gadget_ep_set_halt(dep, value, false); spin_unlock_irqrestore(&dwc->lock, flags); return ret; @@ -1260,15 +1264,18 @@ static int dwc3_gadget_ep_set_wedge(struct usb_ep *ep) struct dwc3_ep *dep = to_dwc3_ep(ep); struct dwc3 *dwc = dep->dwc; unsigned long flags; + int ret; spin_lock_irqsave(&dwc->lock, flags); dep->flags |= DWC3_EP_WEDGE; - spin_unlock_irqrestore(&dwc->lock, flags); if (dep->number == 0 || dep->number == 1) - return dwc3_gadget_ep0_set_halt(ep, 1); + ret = __dwc3_gadget_ep0_set_halt(ep, 1); else - return dwc3_gadget_ep_set_halt(ep, 1); + ret = __dwc3_gadget_ep_set_halt(dep, 1, false); + spin_unlock_irqrestore(&dwc->lock, flags); + + return ret; } /* -------------------------------------------------------------------------- */ diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 178ad8982206..18ae3eaa8b6f 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -82,10 +82,11 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, void dwc3_ep0_interrupt(struct dwc3 *dwc, const struct dwc3_event_depevt *event); void dwc3_ep0_out_start(struct dwc3 *dwc); +int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, gfp_t gfp_flags); -int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value); +int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol); /** * dwc3_gadget_ep_get_transfer_index - Gets transfer index from HW diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h index 78aff1da089a..60b0f41eafc4 100644 --- a/drivers/usb/dwc3/trace.h +++ b/drivers/usb/dwc3/trace.h @@ -73,15 +73,23 @@ DECLARE_EVENT_CLASS(dwc3_log_ctrl, TP_PROTO(struct usb_ctrlrequest *ctrl), TP_ARGS(ctrl), TP_STRUCT__entry( - __field(struct usb_ctrlrequest *, ctrl) + __field(__u8, bRequestType) + __field(__u8, bRequest) + __field(__le16, wValue) + __field(__le16, wIndex) + __field(__le16, wLength) ), TP_fast_assign( - __entry->ctrl = ctrl; + __entry->bRequestType = ctrl->bRequestType; + __entry->bRequest = ctrl->bRequest; + __entry->wValue = ctrl->wValue; + __entry->wIndex = ctrl->wIndex; + __entry->wLength = ctrl->wLength; ), TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d", - __entry->ctrl->bRequestType, __entry->ctrl->bRequest, - le16_to_cpu(__entry->ctrl->wValue), le16_to_cpu(__entry->ctrl->wIndex), - le16_to_cpu(__entry->ctrl->wLength) + __entry->bRequestType, __entry->bRequest, + le16_to_cpu(__entry->wValue), le16_to_cpu(__entry->wIndex), + le16_to_cpu(__entry->wLength) ) ); @@ -94,15 +102,22 @@ DECLARE_EVENT_CLASS(dwc3_log_request, TP_PROTO(struct dwc3_request *req), TP_ARGS(req), TP_STRUCT__entry( + __dynamic_array(char, name, DWC3_MSG_MAX) __field(struct dwc3_request *, req) + __field(unsigned, actual) + __field(unsigned, length) + __field(int, status) ), TP_fast_assign( + snprintf(__get_str(name), DWC3_MSG_MAX, "%s", req->dep->name); __entry->req = req; + __entry->actual = req->request.actual; + __entry->length = req->request.length; + __entry->status = req->request.status; ), TP_printk("%s: req %p length %u/%u ==> %d", - __entry->req->dep->name, __entry->req, - __entry->req->request.actual, __entry->req->request.length, - __entry->req->request.status + __get_str(name), __entry->req, __entry->actual, __entry->length, + __entry->status ) ); @@ -158,17 +173,17 @@ DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd, struct dwc3_gadget_ep_cmd_params *params), TP_ARGS(dep, cmd, params), TP_STRUCT__entry( - __field(struct dwc3_ep *, dep) + __dynamic_array(char, name, DWC3_MSG_MAX) __field(unsigned int, cmd) __field(struct dwc3_gadget_ep_cmd_params *, params) ), TP_fast_assign( - __entry->dep = dep; + snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name); __entry->cmd = cmd; __entry->params = params; ), TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x\n", - __entry->dep->name, dwc3_gadget_ep_cmd_string(__entry->cmd), + __get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd), __entry->cmd, __entry->params->param0, __entry->params->param1, __entry->params->param2 ) @@ -184,16 +199,24 @@ DECLARE_EVENT_CLASS(dwc3_log_trb, TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb), TP_ARGS(dep, trb), TP_STRUCT__entry( - __field(struct dwc3_ep *, dep) + __dynamic_array(char, name, DWC3_MSG_MAX) __field(struct dwc3_trb *, trb) + __field(u32, bpl) + __field(u32, bph) + __field(u32, size) + __field(u32, ctrl) ), TP_fast_assign( - __entry->dep = dep; + snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name); __entry->trb = trb; + __entry->bpl = trb->bpl; + __entry->bph = trb->bph; + __entry->size = trb->size; + __entry->ctrl = trb->ctrl; ), TP_printk("%s: trb %p bph %08x bpl %08x size %08x ctrl %08x\n", - __entry->dep->name, __entry->trb, __entry->trb->bph, - __entry->trb->bpl, __entry->trb->size, __entry->trb->ctrl + __get_str(name), __entry->trb, __entry->bph, __entry->bpl, + __entry->size, __entry->ctrl ) ); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a8c18df171c3..f6a51fddd5b5 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -560,7 +560,7 @@ static int bos_desc(struct usb_composite_dev *cdev) usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE; usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY; usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT; - usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT); + usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT); /* * The Superspeed USB Capability descriptor shall be implemented by all diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c index 6da4685490ef..aad8165e98ef 100644 --- a/drivers/usb/gadget/function/f_acm.c +++ b/drivers/usb/gadget/function/f_acm.c @@ -433,12 +433,12 @@ static int acm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) dev_vdbg(&cdev->gadget->dev, "reset acm control interface %d\n", intf); usb_ep_disable(acm->notify); - } else { - dev_vdbg(&cdev->gadget->dev, - "init acm ctrl interface %d\n", intf); + } + + if (!acm->notify->desc) if (config_ep_by_speed(cdev->gadget, f, acm->notify)) return -EINVAL; - } + usb_ep_enable(acm->notify); acm->notify->driver_data = acm; diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index 4d8b236ea608..c9e90de5bdd9 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -325,7 +325,6 @@ static int eem_bind(struct usb_configuration *c, struct usb_function *f) return 0; fail: - usb_free_all_descriptors(f); if (eem->port.out_ep) eem->port.out_ep->driver_data = NULL; if (eem->port.in_ep) diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 7c6771d027a2..63314ede7ba6 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -647,15 +647,26 @@ static void ffs_user_copy_worker(struct work_struct *work) if (io_data->read && ret > 0) { int i; size_t pos = 0; + + /* + * Since req->length may be bigger than io_data->len (after + * being rounded up to maxpacketsize), we may end up with more + * data then user space has space for. + */ + ret = min_t(int, ret, io_data->len); + use_mm(io_data->mm); for (i = 0; i < io_data->nr_segs; i++) { + size_t len = min_t(size_t, ret - pos, + io_data->iovec[i].iov_len); + if (!len) + break; if (unlikely(copy_to_user(io_data->iovec[i].iov_base, - &io_data->buf[pos], - io_data->iovec[i].iov_len))) { + &io_data->buf[pos], len))) { ret = -EFAULT; break; } - pos += io_data->iovec[i].iov_len; + pos += len; } unuse_mm(io_data->mm); } @@ -687,7 +698,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) struct ffs_epfile *epfile = file->private_data; struct ffs_ep *ep; char *data = NULL; - ssize_t ret, data_len; + ssize_t ret, data_len = -EINVAL; int halt; /* Are we still active? */ @@ -787,13 +798,30 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) /* Fire the request */ struct usb_request *req; + /* + * Sanity Check: even though data_len can't be used + * uninitialized at the time I write this comment, some + * compilers complain about this situation. + * In order to keep the code clean from warnings, data_len is + * being initialized to -EINVAL during its declaration, which + * means we can't rely on compiler anymore to warn no future + * changes won't result in data_len being used uninitialized. + * For such reason, we're adding this redundant sanity check + * here. + */ + if (unlikely(data_len == -EINVAL)) { + WARN(1, "%s: data_len == -EINVAL\n", __func__); + ret = -EINVAL; + goto error_lock; + } + if (io_data->aio) { req = usb_ep_alloc_request(ep->ep, GFP_KERNEL); if (unlikely(!req)) goto error_lock; req->buf = data; - req->length = io_data->len; + req->length = data_len; io_data->buf = data; io_data->ep = ep->ep; @@ -815,7 +843,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) req = ep->req; req->buf = data; - req->length = io_data->len; + req->length = data_len; req->context = &done; req->complete = ffs_epfile_io_complete; @@ -2663,8 +2691,6 @@ static inline struct f_fs_opts *ffs_do_functionfs_bind(struct usb_function *f, func->conf = c; func->gadget = c->cdev->gadget; - ffs_data_get(func->ffs); - /* * in drivers/usb/gadget/configfs.c:configfs_composite_bind() * configurations are bound in sequence with list_for_each_entry, diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index a95290a1289f..59ab62c92b66 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -621,12 +621,14 @@ static int __init hidg_bind(struct usb_configuration *c, struct usb_function *f) dev = MKDEV(major, hidg->minor); status = cdev_add(&hidg->cdev, dev, 1); if (status) - goto fail; + goto fail_free_descs; device_create(hidg_class, NULL, dev, NULL, "%s%d", "hidg", hidg->minor); return 0; +fail_free_descs: + usb_free_all_descriptors(f); fail: ERROR(f->config->cdev, "hidg_bind FAILED\n"); if (hidg->req != NULL) { @@ -635,7 +637,6 @@ static int __init hidg_bind(struct usb_configuration *c, struct usb_function *f) usb_ep_free_request(hidg->in_ep, hidg->req); } - usb_free_all_descriptors(f); return status; } diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c index bf04389137e6..298b46112b1a 100644 --- a/drivers/usb/gadget/function/f_loopback.c +++ b/drivers/usb/gadget/function/f_loopback.c @@ -253,22 +253,13 @@ static void loopback_complete(struct usb_ep *ep, struct usb_request *req) case 0: /* normal completion? */ if (ep == loop->out_ep) { - /* loop this OUT packet back IN to the host */ req->zero = (req->actual < req->length); req->length = req->actual; - status = usb_ep_queue(loop->in_ep, req, GFP_ATOMIC); - if (status == 0) - return; - - /* "should never get here" */ - ERROR(cdev, "can't loop %s to %s: %d\n", - ep->name, loop->in_ep->name, - status); } /* queue the buffer for some later OUT packet */ req->length = buflen; - status = usb_ep_queue(loop->out_ep, req, GFP_ATOMIC); + status = usb_ep_queue(ep, req, GFP_ATOMIC); if (status == 0) return; @@ -308,60 +299,66 @@ static inline struct usb_request *lb_alloc_ep_req(struct usb_ep *ep, int len) return alloc_ep_req(ep, len, buflen); } -static int -enable_loopback(struct usb_composite_dev *cdev, struct f_loopback *loop) +static int enable_endpoint(struct usb_composite_dev *cdev, struct f_loopback *loop, + struct usb_ep *ep) { - int result = 0; - struct usb_ep *ep; struct usb_request *req; unsigned i; + int result; - /* one endpoint writes data back IN to the host */ - ep = loop->in_ep; - result = config_ep_by_speed(cdev->gadget, &(loop->function), ep); - if (result) - return result; - result = usb_ep_enable(ep); - if (result < 0) - return result; - ep->driver_data = loop; - - /* one endpoint just reads OUT packets */ - ep = loop->out_ep; + /* + * one endpoint writes data back IN to the host while another endpoint + * just reads OUT packets + */ result = config_ep_by_speed(cdev->gadget, &(loop->function), ep); if (result) goto fail0; - result = usb_ep_enable(ep); - if (result < 0) { -fail0: - ep = loop->in_ep; - usb_ep_disable(ep); - ep->driver_data = NULL; - return result; - } + if (result < 0) + goto fail0; ep->driver_data = loop; - /* allocate a bunch of read buffers and queue them all at once. + /* + * allocate a bunch of read buffers and queue them all at once. * we buffer at most 'qlen' transfers; fewer if any need more * than 'buflen' bytes each. */ for (i = 0; i < qlen && result == 0; i++) { req = lb_alloc_ep_req(ep, 0); - if (req) { - req->complete = loopback_complete; - result = usb_ep_queue(ep, req, GFP_ATOMIC); - if (result) - ERROR(cdev, "%s queue req --> %d\n", - ep->name, result); - } else { - usb_ep_disable(ep); - ep->driver_data = NULL; - result = -ENOMEM; - goto fail0; + if (!req) + goto fail1; + + req->complete = loopback_complete; + result = usb_ep_queue(ep, req, GFP_ATOMIC); + if (result) { + ERROR(cdev, "%s queue req --> %d\n", + ep->name, result); + goto fail1; } } + return 0; + +fail1: + usb_ep_disable(ep); + +fail0: + return result; +} + +static int +enable_loopback(struct usb_composite_dev *cdev, struct f_loopback *loop) +{ + int result = 0; + + result = enable_endpoint(cdev, loop, loop->in_ep); + if (result) + return result; + + result = enable_endpoint(cdev, loop, loop->out_ep); + if (result) + return result; + DBG(cdev, "%s enabled\n", loop->function.name); return result; } diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 146f48cc65d7..16361b0a8b46 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -1461,7 +1461,6 @@ static int ncm_bind(struct usb_configuration *c, struct usb_function *f) return 0; fail: - usb_free_all_descriptors(f); if (ncm->notify_req) { kfree(ncm->notify_req->buf); usb_ep_free_request(ncm->notify, ncm->notify_req); diff --git a/drivers/usb/gadget/function/f_obex.c b/drivers/usb/gadget/function/f_obex.c index 5f40080c92cc..a1b79c53499c 100644 --- a/drivers/usb/gadget/function/f_obex.c +++ b/drivers/usb/gadget/function/f_obex.c @@ -35,6 +35,7 @@ struct f_obex { struct gserial port; u8 ctrl_id; u8 data_id; + u8 cur_alt; u8 port_num; u8 can_activate; }; @@ -235,6 +236,8 @@ static int obex_set_alt(struct usb_function *f, unsigned intf, unsigned alt) } else goto fail; + obex->cur_alt = alt; + return 0; fail: @@ -245,10 +248,7 @@ static int obex_get_alt(struct usb_function *f, unsigned intf) { struct f_obex *obex = func_to_obex(f); - if (intf == obex->ctrl_id) - return 0; - - return obex->port.in->driver_data ? 1 : 0; + return obex->cur_alt; } static void obex_disable(struct usb_function *f) @@ -397,7 +397,6 @@ static int obex_bind(struct usb_configuration *c, struct usb_function *f) return 0; fail: - usb_free_all_descriptors(f); /* we might as well release our claims on endpoints */ if (obex->port.out) obex->port.out->driver_data = NULL; diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c index b9cfc1571d71..1ec8b7ffdccd 100644 --- a/drivers/usb/gadget/function/f_phonet.c +++ b/drivers/usb/gadget/function/f_phonet.c @@ -570,8 +570,8 @@ static int pn_bind(struct usb_configuration *c, struct usb_function *f) err_req: for (i = 0; i < phonet_rxq_size && fp->out_reqv[i]; i++) usb_ep_free_request(fp->out_ep, fp->out_reqv[i]); -err: usb_free_all_descriptors(f); +err: if (fp->out_ep) fp->out_ep->driver_data = NULL; if (fp->in_ep) diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index ddb09dc6d1f2..f13fc6a58565 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -802,8 +802,10 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) if (rndis->manufacturer && rndis->vendorID && rndis_set_param_vendor(rndis->config, rndis->vendorID, - rndis->manufacturer)) - goto fail; + rndis->manufacturer)) { + status = -EINVAL; + goto fail_free_descs; + } /* NOTE: all that is done without knowing or caring about * the network link ... which is unavailable to this code @@ -817,10 +819,11 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) rndis->notify->name); return 0; +fail_free_descs: + usb_free_all_descriptors(f); fail: kfree(f->os_desc_table); f->os_desc_n = 0; - usb_free_all_descriptors(f); if (rndis->notify_req) { kfree(rndis->notify_req->buf); diff --git a/drivers/usb/gadget/function/f_subset.c b/drivers/usb/gadget/function/f_subset.c index 1ea8baf33333..e3dfa675ff06 100644 --- a/drivers/usb/gadget/function/f_subset.c +++ b/drivers/usb/gadget/function/f_subset.c @@ -380,7 +380,6 @@ geth_bind(struct usb_configuration *c, struct usb_function *f) return 0; fail: - usb_free_all_descriptors(f); /* we might as well release our claims on endpoints */ if (geth->port.out_ep) geth->port.out_ep->driver_data = NULL; diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index a5a27a504d67..33e16658e5cf 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -512,6 +512,11 @@ static int snd_uac2_remove(struct platform_device *pdev) return 0; } +static void snd_uac2_release(struct device *dev) +{ + dev_dbg(dev, "releasing '%s'\n", dev_name(dev)); +} + static int alsa_uac2_init(struct audio_dev *agdev) { struct snd_uac2_chip *uac2 = &agdev->uac2; @@ -523,6 +528,7 @@ static int alsa_uac2_init(struct audio_dev *agdev) uac2->pdev.id = 0; uac2->pdev.name = uac2_name; + uac2->pdev.dev.release = snd_uac2_release; /* Register snd_uac2 driver */ err = platform_driver_register(&uac2->pdrv); @@ -772,6 +778,7 @@ struct usb_endpoint_descriptor fs_epout_desc = { .bEndpointAddress = USB_DIR_OUT, .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + .wMaxPacketSize = cpu_to_le16(1023), .bInterval = 1, }; @@ -780,6 +787,7 @@ struct usb_endpoint_descriptor hs_epout_desc = { .bDescriptorType = USB_DT_ENDPOINT, .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + .wMaxPacketSize = cpu_to_le16(1024), .bInterval = 4, }; @@ -847,6 +855,7 @@ struct usb_endpoint_descriptor fs_epin_desc = { .bEndpointAddress = USB_DIR_IN, .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + .wMaxPacketSize = cpu_to_le16(1023), .bInterval = 1, }; @@ -855,6 +864,7 @@ struct usb_endpoint_descriptor hs_epin_desc = { .bDescriptorType = USB_DT_ENDPOINT, .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, + .wMaxPacketSize = cpu_to_le16(1024), .bInterval = 4, }; @@ -947,6 +957,9 @@ free_ep(struct uac2_rtd_params *prm, struct usb_ep *ep) struct snd_uac2_chip *uac2 = prm->uac2; int i; + if (!prm->ep_enabled) + return; + prm->ep_enabled = false; for (i = 0; i < USB_XFERS; i++) { @@ -1071,7 +1084,7 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) prm->rbuf = kzalloc(prm->max_psize * USB_XFERS, GFP_KERNEL); if (!prm->rbuf) { prm->max_psize = 0; - goto err; + goto err_free_descs; } prm = &agdev->uac2.p_prm; @@ -1079,17 +1092,19 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) prm->rbuf = kzalloc(prm->max_psize * USB_XFERS, GFP_KERNEL); if (!prm->rbuf) { prm->max_psize = 0; - goto err; + goto err_free_descs; } ret = alsa_uac2_init(agdev); if (ret) - goto err; + goto err_free_descs; return 0; + +err_free_descs: + usb_free_all_descriptors(fn); err: kfree(agdev->uac2.p_prm.rbuf); kfree(agdev->uac2.c_prm.rbuf); - usb_free_all_descriptors(fn); if (agdev->in_ep) agdev->in_ep->driver_data = NULL; if (agdev->out_ep) diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index e126439e4b65..945b3bd2ca98 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -279,27 +279,41 @@ uvc_function_get_alt(struct usb_function *f, unsigned interface) else if (interface != uvc->streaming_intf) return -EINVAL; else - return uvc->state == UVC_STATE_STREAMING ? 1 : 0; + return uvc->video.ep->driver_data ? 1 : 0; } static int uvc_function_set_alt(struct usb_function *f, unsigned interface, unsigned alt) { struct uvc_device *uvc = to_uvc(f); + struct usb_composite_dev *cdev = f->config->cdev; struct v4l2_event v4l2_event; struct uvc_event *uvc_event = (void *)&v4l2_event.u.data; int ret; - INFO(f->config->cdev, "uvc_function_set_alt(%u, %u)\n", interface, alt); + INFO(cdev, "uvc_function_set_alt(%u, %u)\n", interface, alt); if (interface == uvc->control_intf) { if (alt) return -EINVAL; + if (uvc->control_ep->driver_data) { + INFO(cdev, "reset UVC Control\n"); + usb_ep_disable(uvc->control_ep); + uvc->control_ep->driver_data = NULL; + } + + if (!uvc->control_ep->desc) + if (config_ep_by_speed(cdev->gadget, f, uvc->control_ep)) + return -EINVAL; + + usb_ep_enable(uvc->control_ep); + uvc->control_ep->driver_data = uvc; + if (uvc->state == UVC_STATE_DISCONNECTED) { memset(&v4l2_event, 0, sizeof(v4l2_event)); v4l2_event.type = UVC_EVENT_CONNECT; - uvc_event->speed = f->config->cdev->gadget->speed; + uvc_event->speed = cdev->gadget->speed; v4l2_event_queue(uvc->vdev, &v4l2_event); uvc->state = UVC_STATE_CONNECTED; @@ -321,8 +335,10 @@ uvc_function_set_alt(struct usb_function *f, unsigned interface, unsigned alt) if (uvc->state != UVC_STATE_STREAMING) return 0; - if (uvc->video.ep) + if (uvc->video.ep) { usb_ep_disable(uvc->video.ep); + uvc->video.ep->driver_data = NULL; + } memset(&v4l2_event, 0, sizeof(v4l2_event)); v4l2_event.type = UVC_EVENT_STREAMOFF; @@ -335,14 +351,22 @@ uvc_function_set_alt(struct usb_function *f, unsigned interface, unsigned alt) if (uvc->state != UVC_STATE_CONNECTED) return 0; - if (uvc->video.ep) { - ret = config_ep_by_speed(f->config->cdev->gadget, - &(uvc->func), uvc->video.ep); - if (ret) - return ret; - usb_ep_enable(uvc->video.ep); + if (!uvc->video.ep) + return -EINVAL; + + if (uvc->video.ep->driver_data) { + INFO(cdev, "reset UVC\n"); + usb_ep_disable(uvc->video.ep); + uvc->video.ep->driver_data = NULL; } + ret = config_ep_by_speed(f->config->cdev->gadget, + &(uvc->func), uvc->video.ep); + if (ret) + return ret; + usb_ep_enable(uvc->video.ep); + uvc->video.ep->driver_data = uvc; + memset(&v4l2_event, 0, sizeof(v4l2_event)); v4l2_event.type = UVC_EVENT_STREAMON; v4l2_event_queue(uvc->vdev, &v4l2_event); @@ -366,6 +390,16 @@ uvc_function_disable(struct usb_function *f) v4l2_event_queue(uvc->vdev, &v4l2_event); uvc->state = UVC_STATE_DISCONNECTED; + + if (uvc->video.ep->driver_data) { + usb_ep_disable(uvc->video.ep); + uvc->video.ep->driver_data = NULL; + } + + if (uvc->control_ep->driver_data) { + usb_ep_disable(uvc->control_ep); + uvc->control_ep->driver_data = NULL; + } } /* -------------------------------------------------------------------------- diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index c3e1f27dbbef..9cb86bc1a9a5 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -352,7 +352,8 @@ int uvcg_video_enable(struct uvc_video *video, int enable) if (!enable) { for (i = 0; i < UVC_NUM_REQUESTS; ++i) - usb_ep_dequeue(video->ep, video->req[i]); + if (video->req[i]) + usb_ep_dequeue(video->ep, video->req[i]); uvc_video_free_requests(video); uvcg_queue_enable(&video->queue, 0); diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index 3ea287b0e448..217365d35a25 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -357,6 +357,7 @@ config USB_EG20T config USB_GADGET_XILINX tristate "Xilinx USB Driver" + depends on HAS_DMA depends on OF || COMPILE_TEST help USB peripheral controller driver for Xilinx USB2 device. diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index f107bb60a5ab..f2054659f25b 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -507,6 +507,11 @@ static ssize_t usb_udc_softconn_store(struct device *dev, { struct usb_udc *udc = container_of(dev, struct usb_udc, dev); + if (!udc->driver) { + dev_err(dev, "soft-connect without a gadget driver\n"); + return -EOPNOTSUPP; + } + if (sysfs_streq(buf, "connect")) { usb_gadget_udc_start(udc->gadget, udc->driver); usb_gadget_connect(udc->gadget); diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index a8a30b1d4167..a3ca1375dd52 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -234,7 +234,7 @@ config USB_EHCI_SH config USB_EHCI_EXYNOS tristate "EHCI support for Samsung S5P/EXYNOS SoC Series" - depends on PLAT_S5P || ARCH_EXYNOS + depends on ARCH_S5PV210 || ARCH_EXYNOS help Enable support for the Samsung Exynos SOC's on-chip EHCI controller. @@ -550,7 +550,7 @@ config USB_OHCI_SH config USB_OHCI_EXYNOS tristate "OHCI support for Samsung S5P/EXYNOS SoC Series" - depends on PLAT_S5P || ARCH_EXYNOS + depends on ARCH_S5PV210 || ARCH_EXYNOS help Enable support for the Samsung Exynos SOC's on-chip OHCI controller. diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c index d0d8fadf7066..1db0626c8bf4 100644 --- a/drivers/usb/host/hwa-hc.c +++ b/drivers/usb/host/hwa-hc.c @@ -607,7 +607,7 @@ static int wa_fill_descr(struct wahc *wa) wa->wa_descr = wa_descr = (struct usb_wa_descriptor *) hdr; if (le16_to_cpu(wa_descr->bcdWAVersion) > 0x0100) dev_warn(dev, "Wire Adapter v%d.%d newer than groked v1.0\n", - le16_to_cpu(wa_descr->bcdWAVersion) & 0xff00 >> 8, + (le16_to_cpu(wa_descr->bcdWAVersion) & 0xff00) >> 8, le16_to_cpu(wa_descr->bcdWAVersion) & 0x00ff); result = 0; error: diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 280dde93abe5..9a69b1f1b300 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -127,20 +127,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_SPURIOUS_REBOOT; xhci->quirks |= XHCI_AVOID_BEI; } - if (pdev->vendor == PCI_VENDOR_ID_INTEL && - (pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI)) { - /* Workaround for occasional spurious wakeups from S5 (or - * any other sleep) on Haswell machines with LPT and LPT-LP - * with the new Intel BIOS - */ - /* Limit the quirk to only known vendors, as this triggers - * yet another BIOS bug on some other machines - * https://bugzilla.kernel.org/show_bug.cgi?id=66171 - */ - if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP) - xhci->quirks |= XHCI_SPURIOUS_WAKEUP; - } if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) { xhci->quirks |= XHCI_SPURIOUS_REBOOT; @@ -162,6 +148,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == 0x3432) xhci->quirks |= XHCI_BROKEN_STREAMS; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && + pdev->device == 0x1042) + xhci->quirks |= XHCI_BROKEN_STREAMS; + if (xhci->quirks & XHCI_RESET_ON_RESUME) xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, "QUIRK: Resetting on resume"); diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index acdfb3e68a90..5a9b977fbc19 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -209,7 +209,8 @@ static enum hrtimer_restart cppi41_recheck_tx_req(struct hrtimer *timer) } } - if (!list_empty(&controller->early_tx_list)) { + if (!list_empty(&controller->early_tx_list) && + !hrtimer_is_queued(&controller->early_tx)) { ret = HRTIMER_RESTART; hrtimer_forward_now(&controller->early_tx, ktime_set(0, 20 * NSEC_PER_USEC)); diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 154bcf1b5dfa..48bc09e7b83b 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -868,9 +868,15 @@ static int dsps_suspend(struct device *dev) struct dsps_glue *glue = dev_get_drvdata(dev); const struct dsps_musb_wrapper *wrp = glue->wrp; struct musb *musb = platform_get_drvdata(glue->musb); - void __iomem *mbase = musb->ctrl_base; + void __iomem *mbase; del_timer_sync(&glue->timer); + + if (!musb) + /* This can happen if the musb device is in -EPROBE_DEFER */ + return 0; + + mbase = musb->ctrl_base; glue->context.control = dsps_readl(mbase, wrp->control); glue->context.epintr = dsps_readl(mbase, wrp->epintr_set); glue->context.coreintr = dsps_readl(mbase, wrp->coreintr_set); @@ -887,8 +893,12 @@ static int dsps_resume(struct device *dev) struct dsps_glue *glue = dev_get_drvdata(dev); const struct dsps_musb_wrapper *wrp = glue->wrp; struct musb *musb = platform_get_drvdata(glue->musb); - void __iomem *mbase = musb->ctrl_base; + void __iomem *mbase; + if (!musb) + return 0; + + mbase = musb->ctrl_base; dsps_writel(mbase, wrp->control, glue->context.control); dsps_writel(mbase, wrp->epintr_set, glue->context.epintr); dsps_writel(mbase, wrp->coreintr_set, glue->context.coreintr); @@ -896,7 +906,9 @@ static int dsps_resume(struct device *dev) dsps_writel(mbase, wrp->mode, glue->context.mode); dsps_writel(mbase, wrp->tx_mode, glue->context.tx_mode); dsps_writel(mbase, wrp->rx_mode, glue->context.rx_mode); - setup_timer(&glue->timer, otg_timer, (unsigned long) musb); + if (musb->xceiv->state == OTG_STATE_B_IDLE && + musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE) + mod_timer(&glue->timer, jiffies + wrp->poll_seconds * HZ); return 0; } diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index eca1747ca8c7..cfd009dc4018 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -155,6 +155,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ + { USB_DEVICE(0x1BA4, 0x0002) }, /* Silicon Labs 358x factory default */ { USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */ { USB_DEVICE(0x1D6F, 0x0010) }, /* Seluxit ApS RF Dongle */ { USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index dc72b924c399..0dad8ce5a609 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -140,6 +140,7 @@ static struct ftdi_sio_quirk ftdi_8u2232c_quirk = { * /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report. */ static const struct usb_device_id id_table_combined[] = { + { USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) }, @@ -661,6 +662,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) }, { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) }, { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) }, + { USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) }, { USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) }, { USB_DEVICE(XSENS_VID, XSENS_MTW_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 5937b2d242f2..6786b705ccf6 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -30,6 +30,12 @@ /*** third-party PIDs (using FTDI_VID) ***/ +/* + * Certain versions of the official Windows FTDI driver reprogrammed + * counterfeit FTDI devices to PID 0. Support these devices anyway. + */ +#define FTDI_BRICK_PID 0x0000 + #define FTDI_LUMEL_PD12_PID 0x6002 /* @@ -143,8 +149,12 @@ * Xsens Technologies BV products (http://www.xsens.com). */ #define XSENS_VID 0x2639 -#define XSENS_CONVERTER_PID 0xD00D /* Xsens USB-serial converter */ +#define XSENS_AWINDA_STATION_PID 0x0101 +#define XSENS_AWINDA_DONGLE_PID 0x0102 #define XSENS_MTW_PID 0x0200 /* Xsens MTw */ +#define XSENS_CONVERTER_PID 0xD00D /* Xsens USB-serial converter */ + +/* Xsens devices using FTDI VID */ #define XSENS_CONVERTER_0_PID 0xD388 /* Xsens USB converter */ #define XSENS_CONVERTER_1_PID 0xD389 /* Xsens Wireless Receiver */ #define XSENS_CONVERTER_2_PID 0xD38A diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 078f9ed419c8..02c420af251e 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -335,7 +335,8 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, port->interrupt_out_urb->transfer_buffer_length = length; priv->cur_pos = priv->cur_pos + length; - result = usb_submit_urb(port->interrupt_out_urb, GFP_NOIO); + result = usb_submit_urb(port->interrupt_out_urb, + GFP_ATOMIC); dev_dbg(&port->dev, "%s - Send write URB returns: %i\n", __func__, result); todo = priv->filled - priv->cur_pos; @@ -350,7 +351,7 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { result = usb_submit_urb(port->interrupt_in_urb, - GFP_NOIO); + GFP_ATOMIC); dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result); } } @@ -414,8 +415,6 @@ static int kobil_tiocmset(struct tty_struct *tty, int result; int dtr = 0; int rts = 0; - unsigned char *transfer_buffer; - int transfer_buffer_length = 8; /* FIXME: locking ? */ priv = usb_get_serial_port_data(port); @@ -425,11 +424,6 @@ static int kobil_tiocmset(struct tty_struct *tty, return -EINVAL; } - /* allocate memory for transfer buffer */ - transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); - if (!transfer_buffer) - return -ENOMEM; - if (set & TIOCM_RTS) rts = 1; if (set & TIOCM_DTR) @@ -469,7 +463,6 @@ static int kobil_tiocmset(struct tty_struct *tty, KOBIL_TIMEOUT); } dev_dbg(dev, "%s - Send set_status_line URB returns: %i\n", __func__, result); - kfree(transfer_buffer); return (result < 0) ? result : 0; } @@ -530,8 +523,6 @@ static int kobil_ioctl(struct tty_struct *tty, { struct usb_serial_port *port = tty->driver_data; struct kobil_private *priv = usb_get_serial_port_data(port); - unsigned char *transfer_buffer; - int transfer_buffer_length = 8; int result; if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || @@ -541,10 +532,6 @@ static int kobil_ioctl(struct tty_struct *tty, switch (cmd) { case TCFLSH: - transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); - if (!transfer_buffer) - return -ENOBUFS; - result = usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0), SUSBCRequest_Misc, @@ -559,7 +546,6 @@ static int kobil_ioctl(struct tty_struct *tty, dev_dbg(&port->dev, "%s - Send reset_all_queues (FLUSH) URB returns: %i\n", __func__, result); - kfree(transfer_buffer); return (result < 0) ? -EIO: 0; default: return -ENOIOCTLCMD; diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 4856fb7e637e..4b7bfb394a32 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -215,7 +215,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port, /* The connected devices do not have a bulk write endpoint, * to transmit data to de barcode device the control endpoint is used */ - dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO); + dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC); if (!dr) { count = -ENOMEM; goto error_no_dr; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index d1a3f6044c8a..7a4c21b4f676 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -269,6 +269,7 @@ static void option_instat_callback(struct urb *urb); #define TELIT_PRODUCT_DE910_DUAL 0x1010 #define TELIT_PRODUCT_UE910_V2 0x1012 #define TELIT_PRODUCT_LE920 0x1200 +#define TELIT_PRODUCT_LE910 0x1201 /* ZTE PRODUCTS */ #define ZTE_VENDOR_ID 0x19d2 @@ -362,6 +363,7 @@ static void option_instat_callback(struct urb *urb); /* Haier products */ #define HAIER_VENDOR_ID 0x201e +#define HAIER_PRODUCT_CE81B 0x10f8 #define HAIER_PRODUCT_CE100 0x2009 /* Cinterion (formerly Siemens) products */ @@ -589,6 +591,11 @@ static const struct option_blacklist_info zte_1255_blacklist = { .reserved = BIT(3) | BIT(4), }; +static const struct option_blacklist_info telit_le910_blacklist = { + .sendsetup = BIT(0), + .reserved = BIT(1) | BIT(2), +}; + static const struct option_blacklist_info telit_le920_blacklist = { .sendsetup = BIT(0), .reserved = BIT(1) | BIT(5), @@ -1138,6 +1145,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), + .driver_info = (kernel_ulong_t)&telit_le910_blacklist }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920), .driver_info = (kernel_ulong_t)&telit_le920_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ @@ -1621,6 +1630,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) }, { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) }, + { USB_DEVICE_AND_INTERFACE_INFO(HAIER_VENDOR_ID, HAIER_PRODUCT_CE81B, 0xff, 0xff, 0xff) }, /* Pirelli */ { USB_DEVICE_INTERFACE_CLASS(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_1, 0xff) }, { USB_DEVICE_INTERFACE_CLASS(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_2, 0xff) }, diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c index 4bc2fc98636e..73f125e0cb58 100644 --- a/drivers/usb/storage/initializers.c +++ b/drivers/usb/storage/initializers.c @@ -52,7 +52,7 @@ int usb_stor_euscsi_init(struct us_data *us) us->iobuf[0] = 0x1; result = usb_stor_control_msg(us, us->send_ctrl_pipe, 0x0C, USB_RECIP_INTERFACE | USB_TYPE_VENDOR, - 0x01, 0x0, us->iobuf, 0x1, USB_CTRL_SET_TIMEOUT); + 0x01, 0x0, us->iobuf, 0x1, 5 * HZ); usb_stor_dbg(us, "-- result is %d\n", result); return 0; @@ -100,7 +100,7 @@ int usb_stor_huawei_e220_init(struct us_data *us) result = usb_stor_control_msg(us, us->send_ctrl_pipe, USB_REQ_SET_FEATURE, USB_TYPE_STANDARD | USB_RECIP_DEVICE, - 0x01, 0x0, NULL, 0x0, 1000); + 0x01, 0x0, NULL, 0x0, 1 * HZ); usb_stor_dbg(us, "Huawei mode set result is %d\n", result); return 0; } diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index 8591d89a38e6..27e4a580d2ed 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -626,6 +626,7 @@ static int config_autodelink_after_power_on(struct us_data *us) return 0; } +#ifdef CONFIG_PM static int config_autodelink_before_power_down(struct us_data *us) { struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); @@ -716,6 +717,7 @@ static void fw5895_init(struct us_data *us) } } } +#endif #ifdef CONFIG_REALTEK_AUTOPM static void fw5895_set_mmc_wp(struct us_data *us) diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 22c7d4360fa2..b1d815eb6d0b 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -1118,6 +1118,31 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) */ if (result == USB_STOR_XFER_LONG) fake_sense = 1; + + /* + * Sometimes a device will mistakenly skip the data phase + * and go directly to the status phase without sending a + * zero-length packet. If we get a 13-byte response here, + * check whether it really is a CSW. + */ + if (result == USB_STOR_XFER_SHORT && + srb->sc_data_direction == DMA_FROM_DEVICE && + transfer_length - scsi_get_resid(srb) == + US_BULK_CS_WRAP_LEN) { + struct scatterlist *sg = NULL; + unsigned int offset = 0; + + if (usb_stor_access_xfer_buf((unsigned char *) bcs, + US_BULK_CS_WRAP_LEN, srb, &sg, + &offset, FROM_XFER_BUF) == + US_BULK_CS_WRAP_LEN && + bcs->Signature == + cpu_to_le32(US_BULK_CS_SIGN)) { + usb_stor_dbg(us, "Device skipped data phase\n"); + scsi_set_resid(srb, transfer_length); + goto skipped_data_phase; + } + } } /* See flow chart on pg 15 of the Bulk Only Transport spec for @@ -1153,6 +1178,7 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; + skipped_data_phase: /* check bulk status */ residue = le32_to_cpu(bcs->Residue); usb_stor_dbg(us, "Bulk Status S 0x%x T 0x%x R %u Stat 0x%x\n", diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index 8511b54a65d9..2fefaf923e4a 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -54,6 +54,20 @@ UNUSUAL_DEV(0x0bc2, 0x3312, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_ATA_1X), +/* Reported-by: Hans de Goede */ +UNUSUAL_DEV(0x0bc2, 0x3320, 0x0000, 0x9999, + "Seagate", + "Expansion Desk", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_ATA_1X), + +/* Reported-by: Bogdan Mihalcea */ +UNUSUAL_DEV(0x0bc2, 0xa003, 0x0000, 0x9999, + "Seagate", + "Backup Plus", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_ATA_1X), + /* https://bbs.archlinux.org/viewtopic.php?id=183190 */ UNUSUAL_DEV(0x0bc2, 0xab20, 0x0000, 0x9999, "Seagate", @@ -61,6 +75,13 @@ UNUSUAL_DEV(0x0bc2, 0xab20, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_ATA_1X), +/* https://bbs.archlinux.org/viewtopic.php?id=183190 */ +UNUSUAL_DEV(0x0bc2, 0xab21, 0x0000, 0x9999, + "Seagate", + "Backup+ BK", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_ATA_1X), + /* Reported-by: Claudio Bizzarri */ UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999, "JMicron", @@ -75,3 +96,10 @@ UNUSUAL_DEV(0x174c, 0x5106, 0x0000, 0x9999, "ASM1051", USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_UAS), + +/* Reported-by: Hans de Goede */ +UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999, + "VIA", + "VL711", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_ATA_1X), diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 57b1d44acbfe..eb976ee3a02f 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -448,8 +448,10 @@ static int __init fb_console_setup(char *this_opt) return 1; while ((options = strsep(&this_opt, ",")) != NULL) { - if (!strncmp(options, "font:", 5)) + if (!strncmp(options, "font:", 5)) { strlcpy(fontname, options + 5, sizeof(fontname)); + continue; + } if (!strncmp(options, "scrollback:", 11)) { options += 11; @@ -457,13 +459,9 @@ static int __init fb_console_setup(char *this_opt) fbcon_softback_size = simple_strtoul(options, &options, 0); if (*options == 'k' || *options == 'K') { fbcon_softback_size *= 1024; - options++; } - if (*options != ',') - return 1; - options++; - } else - return 1; + } + continue; } if (!strncmp(options, "map:", 4)) { @@ -478,8 +476,7 @@ static int __init fb_console_setup(char *this_opt) fbcon_map_override(); } - - return 1; + continue; } if (!strncmp(options, "vc:", 3)) { @@ -491,7 +488,8 @@ static int __init fb_console_setup(char *this_opt) if (*options++ == '-') last_fb_vc = simple_strtoul(options, &options, 10) - 1; fbcon_is_default = 0; - } + continue; + } if (!strncmp(options, "rotate:", 7)) { options += 7; @@ -499,6 +497,7 @@ static int __init fb_console_setup(char *this_opt) initial_rotation = simple_strtoul(options, &options, 0); if (initial_rotation > 3) initial_rotation = 0; + continue; } } return 1; diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 6e6aa704fe84..517f565b65d7 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -56,7 +56,7 @@ static int cursor_size_lastfrom; static int cursor_size_lastto; static u32 vgacon_xres; static u32 vgacon_yres; -static struct vgastate state; +static struct vgastate vgastate; #define BLANK 0x0020 @@ -400,7 +400,7 @@ static const char *vgacon_startup(void) vga_video_num_lines = screen_info.orig_video_lines; vga_video_num_columns = screen_info.orig_video_cols; - state.vgabase = NULL; + vgastate.vgabase = NULL; if (screen_info.orig_video_mode == 7) { /* Monochrome display */ @@ -851,12 +851,12 @@ static void vga_set_palette(struct vc_data *vc, unsigned char *table) { int i, j; - vga_w(state.vgabase, VGA_PEL_MSK, 0xff); + vga_w(vgastate.vgabase, VGA_PEL_MSK, 0xff); for (i = j = 0; i < 16; i++) { - vga_w(state.vgabase, VGA_PEL_IW, table[i]); - vga_w(state.vgabase, VGA_PEL_D, vc->vc_palette[j++] >> 2); - vga_w(state.vgabase, VGA_PEL_D, vc->vc_palette[j++] >> 2); - vga_w(state.vgabase, VGA_PEL_D, vc->vc_palette[j++] >> 2); + vga_w(vgastate.vgabase, VGA_PEL_IW, table[i]); + vga_w(vgastate.vgabase, VGA_PEL_D, vc->vc_palette[j++] >> 2); + vga_w(vgastate.vgabase, VGA_PEL_D, vc->vc_palette[j++] >> 2); + vga_w(vgastate.vgabase, VGA_PEL_D, vc->vc_palette[j++] >> 2); } } @@ -1008,7 +1008,7 @@ static int vgacon_blank(struct vc_data *c, int blank, int mode_switch) switch (blank) { case 0: /* Unblank */ if (vga_vesa_blanked) { - vga_vesa_unblank(&state); + vga_vesa_unblank(&vgastate); vga_vesa_blanked = 0; } if (vga_palette_blanked) { @@ -1022,7 +1022,7 @@ static int vgacon_blank(struct vc_data *c, int blank, int mode_switch) case 1: /* Normal blanking */ case -1: /* Obsolete */ if (!mode_switch && vga_video_type == VIDEO_TYPE_VGAC) { - vga_pal_blank(&state); + vga_pal_blank(&vgastate); vga_palette_blanked = 1; return 0; } @@ -1034,7 +1034,7 @@ static int vgacon_blank(struct vc_data *c, int blank, int mode_switch) return 1; default: /* VESA blanking */ if (vga_video_type == VIDEO_TYPE_VGAC) { - vga_vesa_blank(&state, blank - 1); + vga_vesa_blank(&vgastate, blank - 1); vga_vesa_blanked = blank; } return 0; @@ -1280,7 +1280,7 @@ static int vgacon_font_set(struct vc_data *c, struct console_font *font, unsigne (charcount != 256 && charcount != 512)) return -EINVAL; - rc = vgacon_do_font_op(&state, font->data, 1, charcount == 512); + rc = vgacon_do_font_op(&vgastate, font->data, 1, charcount == 512); if (rc) return rc; @@ -1299,7 +1299,7 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font) font->charcount = vga_512_chars ? 512 : 256; if (!font->data) return 0; - return vgacon_do_font_op(&state, font->data, 0, vga_512_chars); + return vgacon_do_font_op(&vgastate, font->data, 0, vga_512_chars); } #else diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index 3bf403150a2d..9ec81d46fc57 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -27,7 +27,6 @@ #include #include