Commit Graph

495606 Commits

Author SHA1 Message Date
Joonwoo Park 5373a2c5ab pinctrl: qcom: Add msm8916 pinctrl driver
Add initial pinctrl driver to support pin configuration with
pinctrl framework for msm8916.

Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30 14:35:09 +01:00
Stanimir Varbanov bb77f06dd3 DT: pinctrl: Document Qualcomm MSM8916 pinctrl binding
Adds devicetree binding documentation.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30 14:33:37 +01:00
Joonwoo Park 981de1cb42 pinctrl: qcom: increase variable size for register offsets
On newer TLMM hardware blocks the registers are spread and
we need an offsets upper than 16 bits to address them. Increase
the register offset variables to 32 bits size.

Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30 14:32:44 +01:00
Arnd Bergmann 4f06266a62 pinctrl: hide PCONFDUMP in #ifdef
The zynq and qcom-spmi pinctrl drivers both use pin_config_item arrays
to provide extra interfaces in debugfs. This structure and the
PCONFDUMP macro are not defined if CONFIG_DEBUG_FS is turned off,
so we get build errors like:

pinctrl/qcom/pinctrl-spmi-gpio.c:139:37: error: array type has incomplete element type
 static const struct pin_config_item pmic_conf_items[ARRAY_SIZE(pmic_gpio_bindings)] = {
                                     ^
pinctrl/qcom/pinctrl-spmi-gpio.c:140:2: error: implicit declaration of function 'PCONFDUMP' [-Werror=implicit-function-declaration]
  PCONFDUMP(PMIC_GPIO_CONF_PULL_UP,  "pull up strength", NULL, true),
  ^
pinctrl/qcom/pinctrl-spmi-gpio.c:139:37: warning: 'pmic_conf_items' defined but not used [-Wunused-variable]
 static const struct pin_config_item pmic_conf_items[ARRAY_SIZE(pmic_gpio_bindings)] = {

Lacking any better idea to solve this nicely, this patch uses #ifdef
to hide the structures, just like the pinctrl core does.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30 14:30:59 +01:00
Doug Anderson 5ae0c7ad06 pinctrl: rockchip: Only mask interrupts; never disable
The Rockchip GPIO interrupt controller totally throws away all status
about an interrupt when you "disable" the interrupt.  That has
unfortunate consequences in the following situation:

1. An edge-triggered interrupt is enabled and should wake the system.
2. System suspend happens: interrupt is disabled and marked for wake.
3. rockchip_irq_suspend() reenables the interrupt so we can wake.
4. Interrupt happens when asleep.
5. rockchip_irq_resume() redisables the interrupt.
6. Disabling the interrupt throws away all status about it.
7. Normal system resume happens and we enable the interrupt again,
   since we threw away status about the interrupt we don't know it
   fired while suspended.  Even worse: if we need both edges of the
   interrupt the logic to swap edges never runs.

Note: even if we somehow can post the status about wakeup interrupts
in rockchip_irq_resume() we would still have a window of losing any
edges that came in while interrupts were disabled.

If we use mask only then we don't need to worry.  The GPIO Interrupt
controller keeps track of pending interrupts that are enabled and just
masked.

There was no real strong reason to support the enable/disable
functionality (other than that it seemed right), so let's go back to
just supporting mask/unmask but actually map it to the real
mask/unmask.  This ends up with slightly different (and more correct)
behavior than before (f2dd028 pinctrl: rockchip: Fix
enable/disable/mask/unmask).

Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30 10:38:36 +01:00
Linus Walleij b6afdbe8e8 Linux 3.19-rc6
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Merge tag 'v3.19-rc6' into devel

Linux 3.19-rc6
2015-01-30 10:38:15 +01:00
Andreas Färber 8090f7917b pinctrl: zynq: Fix usb0 pins
Fix usb0 pin 19 -> 29 (matching ethernet1 pins and manual).
Pin 19 is used for ethernet0 on the Parallella board.

Fixes: add958cee9 ("pinctrl: Add driver for Zynq")
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30 10:31:49 +01:00
Magnus Damm e1ec9a49d1 pinctrl: sh-pfc: sh7372: Remove DT binding documentation
Remove the DT compatible string entry for the now unsupported sh7372 SoC.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-29 10:43:57 +01:00
Magnus Damm 62476634d7 pinctrl: sh-pfc: sh7372: Remove PFC support
Remove sh7372 PFC support as part of the sh7372 and Mackerel
legacy code removal.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-29 10:40:38 +01:00
Niklas Söderlund 1e7d5d849c sh-pfc: Add emev2 pinmux support
Add PFC support for the EMMA Mobile EV2 SoC including pin groups for
on-chip devices.

Signed-off-by: Niklas Söderlund <niso@kth.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-27 08:50:22 +01:00
Niklas Söderlund 4c9e473541 sh-pfc: add macro to define pinmux without function
Used to define pinmux configurations where the pinmux function have no
representation in the configuration registers but instead solely depends
on a group selection.

Signed-off-by: Niklas Söderlund <niso@kth.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-27 08:47:53 +01:00
Beniamino Galvani 6ac7309511 pinctrl: add driver for Amlogic Meson SoCs
This is a driver for the pinmux and GPIO controller available in
Amlogic Meson SoCs. It currently supports only Meson8, however the
common code should be generic enough to work also for other SoCs after
having defined the proper set of functions and groups.

GPIO interrupts are not supported at the moment due to lack of
documentation.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-26 09:13:00 +01:00
Linus Torvalds 26bc420b59 Linux 3.19-rc6 2015-01-25 20:04:41 -08:00
Linus Torvalds 14746306af Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
 "Hopefully the last round of fixes for 3.19

   - regression fix for the LDT changes
   - regression fix for XEN interrupt handling caused by the APIC
     changes
   - regression fixes for the PAT changes
   - last minute fixes for new the MPX support
   - regression fix for 32bit UP
   - fix for a long standing relocation issue on 64bit tagged for stable
   - functional fix for the Hyper-V clocksource tagged for stable
   - downgrade of a pr_err which tends to confuse users

  Looks a bit on the large side, but almost half of it are valuable
  comments"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tsc: Change Fast TSC calibration failed from error to info
  x86/apic: Re-enable PCI_MSI support for non-SMP X86_32
  x86, mm: Change cachemode exports to non-gpl
  x86, tls: Interpret an all-zero struct user_desc as "no segment"
  x86, tls, ldt: Stop checking lm in LDT_empty
  x86, mpx: Strictly enforce empty prctl() args
  x86, mpx: Fix potential performance issue on unmaps
  x86, mpx: Explicitly disable 32-bit MPX support on 64-bit kernels
  x86, hyperv: Mark the Hyper-V clocksource as being continuous
  x86: Don't rely on VMWare emulating PAT MSR correctly
  x86, irq: Properly tag virtualization entry in /proc/interrupts
  x86, boot: Skip relocs when load address unchanged
  x86/xen: Override ACPI IRQ management callback __acpi_unregister_gsi
  ACPI: pci: Do not clear pci_dev->irq in acpi_pci_irq_disable()
  x86/xen: Treat SCI interrupt as normal GSI interrupt
2015-01-25 18:11:17 -08:00
Linus Torvalds 4d2f0ef1c9 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
 "From the irqchip departement you get:

   - regression fix for omap-intc

   - regression fix for atmel-aic-common

   - functional correctness fix for hip04

   - type mismatch fix for gic-v3-its

   - proper error pointer check for mtd-sysirq

  Mostly one and two liners except for the omap regression fix which is
  slightly larger than desired"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: atmel-aic-common: Prevent clobbering of priority when changing IRQ type
  irqchip: omap-intc: Fix legacy DMA regression
  irqchip: gic-v3-its: Fix use of max with decimal constant
  irqchip: hip04: Initialize hip04_cpu_map to 0xffff
  irqchip: mtk-sysirq: Use IS_ERR() instead of NULL pointer check
2015-01-25 18:07:01 -08:00
Linus Torvalds b73f0c8f4b Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
 "A set of small fixes:

   - regression fix for exynos_mct clocksource

   - trivial build fix for kona clocksource

   - functional one liner fix for the sh_tmu clocksource

   - two validation fixes to prevent (root only) data corruption in the
     kernel via settimeofday and adjtimex.  Tagged for stable"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time: adjtimex: Validate the ADJ_FREQUENCY values
  time: settimeofday: Validate the values of tv from user
  clocksource: sh_tmu: Set cpu_possible_mask to fix SMP broadcast
  clocksource: kona: fix __iomem annotation
  clocksource: exynos_mct: Fix bitmask regression for exynos4_mct_write
2015-01-25 17:47:34 -08:00
Linus Torvalds 71a59b1272 ARM: SoC fixes
A week's worth of fixes for various ARM platforms. Diff wise, the
 largest fix is for OMAP to deal with how GIC now registers interrupts
 (irq_domain_add_legacy() -> irq_domain_add_linear() changes).
 
 Besides this, a few more renesas platforms needed the GIC instatiation
 done for legacy boards. There's also a fix that disables coherency of
 mvebu due to issues, and a few other smaller fixes.
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Merge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A week's worth of fixes for various ARM platforms.  Diff wise, the
  largest fix is for OMAP to deal with how GIC now registers interrupts
  (irq_domain_add_legacy() -> irq_domain_add_linear() changes).

  Besides this, a few more renesas platforms needed the GIC instatiation
  done for legacy boards.  There's also a fix that disables coherency of
  mvebu due to issues, and a few other smaller fixes"

* tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: dts: add baud rate to Juno stdout-path
  ARM: dts: imx25: Fix PWM "per" clocks
  bus: mvebu-mbus: fix support of MBus window 13
  Merge tag 'mvebu-fixes-3.19-3' of git://git.infradead.org/linux-mvebu into fixes
  ARM: mvebu: completely disable hardware I/O coherency
  ARM: OMAP: Work around hardcoded interrupts
  ARM: shmobile: r8a7779: Instantiate GIC from C board code in legacy builds
  ARM: shmobile: r8a7778: Instantiate GIC from C board code in legacy builds
  arm: boot: dts: dra7: enable dwc3 suspend PHY quirk
2015-01-25 17:29:06 -08:00
Linus Torvalds 80a755545d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
 "A couple of fixes - deadlock in CIFS and build breakage in cris serial
  driver (resurfaced f_dentry in there)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  VFS: Convert file->f_dentry->d_inode to file_inode()
  fix deadlock in cifs_ioctl_clone()
2015-01-25 17:27:18 -08:00
Linus Torvalds bfc835b571 2 stable fixes for dm-cache and 1 3.19 DM core fix:
- Fix potential for dm-cache metadata corruption via stale metadata
   buffers being used when switching an inactive cache table to active;
   this could occur due to each table having it's own bufio client rather
   than sharing the client between tables.
 
 - Fix dm-cache target to properly account for discard IO while
   suspending otherwise IO quiescing could complete prematurely.
 
 - Fix DM core's handling of multiple internal suspends by maintaining an
   'internal_suspend_count' and only resuming the device when this count
   drops to zero.
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Merge tag 'dm-3.19-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:
 "Two stable fixes for dm-cache and one 3.19 DM core fix:

   - fix potential for dm-cache metadata corruption via stale metadata
     buffers being used when switching an inactive cache table to
     active; this could occur due to each table having it's own bufio
     client rather than sharing the client between tables.

   - fix dm-cache target to properly account for discard IO while
     suspending otherwise IO quiescing could complete prematurely.

   - fix DM core's handling of multiple internal suspends by maintaining
     an 'internal_suspend_count' and only resuming the device when this
     count drops to zero"

* tag 'dm-3.19-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm: fix handling of multiple internal suspends
  dm cache: fix problematic dual use of a single migration count variable
  dm cache: share cache-metadata object across inactive and active DM tables
2015-01-25 17:25:01 -08:00
Linus Torvalds 8e908e9904 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull two block layer fixes from Jens Axboe:
 "Two small patches that should make it into 3.19:

   - a fixup from me for NVMe, making the cq_vector a signed variable.
     Otherwise our -1 comparison fails, and commit 2b25d98179 doesn't
     do what it was supposed to.

   - a fixup for the hotplug handling for blk-mq from Ming Lei, using
     the proper kobject referencing to ensure we release resources at
     the right time"

* 'for-linus' of git://git.kernel.dk/linux-block:
  blk-mq: fix hctx/ctx kobject use-after-free
  NVMe: cq_vector should be signed
2015-01-25 17:23:34 -08:00
Linus Torvalds 440e996095 SCSI fixes on 20150124
This patch consists of four real fixes and three MAINTAINER updates.  Three of
 the fixes are obvious (the DIX and atomic allocation are bug on and warn on
 fixes and the other is just trivial) and the ipr one is a bit more involved
 but is required because without it, the card double completes aborted commands
 and causes a kernel oops.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

pULL SCSI fixes from James Bottomley:
 "This consists of four real fixes and three MAINTAINER updates.

  Three of the fixes are obvious (the DIX and atomic allocation are bug
  on and warn on fixes and the other is just trivial) and the ipr one is
  a bit more involved but is required because without it, the card
  double completes aborted commands and causes a kernel oops"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  MAINTAINERS: ibmvscsi driver maintainer change
  MAINTAINERS: ibmvfc driver maintainer change
  MAINTAINERS: Remove self as isci maintainer
  scsi_debug: test always evaluates to false, || should be used instead
  scsi: Avoid crashing if device uses DIX but adapter does not support it
  scsi_debug: use atomic allocation in resp_rsup_opcodes
  ipr: wait for aborted command responses
2015-01-24 14:52:30 -08:00
Linus Torvalds f828d5e248 Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
 "This will fix reboot issues with the imx2_wdt driver and it also drops
  some forgotten owner assignments from platform_drivers"

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: drop owner assignment from platform_drivers
  watchdog: imx2_wdt: Disable power down counter on boot
  watchdog: imx2_wdt: Improve power management support.
2015-01-24 14:47:24 -08:00
Linus Torvalds 0012125ade Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon update from Jean Delvare:
 "This contains a single thing: a new driver for the temperature sensor
  embedded in the Intel 5500/5520/X58 chipsets.

  Sorry for the late request, it's been so long since I last sent a pull
  request and I've been so busy with other tasks meanwhile that I simply
  forgot about these patches.  But given that this is a new driver, it
  can't introduce any regression so I thought it could still be OK.

  This has been in linux-next for months now"

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: (i5500_temp) Convert to use ATTRIBUTE_GROUPS macro
  hwmon: (i5500_temp) Convert to module_pci_driver
  hwmon: (i5500_temp) Don't bind to disabled sensors
  hwmon: (i5500_temp) Convert to devm_hwmon_device_register_with_groups
  hwmon: (i5500_temp) New driver for the Intel 5500/5520/X58 chipsets
2015-01-24 14:37:31 -08:00
Linus Torvalds af469b3748 media fixes for v3.19-rc6
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Merge tag 'media/v3.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:
  - fix some race conditions caused by a regression on videobuf2
  - fix a interrupt release bug on cx23885
  - fix support for Mygica T230 and HVR4400
  - fix compilation breakage when USB is not selected on tlg2300
  - fix capabilities report on ompa3isp, soc-camera, rcar_vin and
    pvrusb2

* tag 'media/v3.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] omap3isp: Correctly set QUERYCAP capabilities
  [media] cx23885: fix free interrupt bug
  [media] pvrusb2: fix missing device_caps in querycap
  [media] vb2: fix vb2_thread_stop race conditions
  [media] rcar_vin: Update device_caps and capabilities in querycap
  [media] soc-camera: fix device capabilities in multiple camera host drivers
  [media] Fix Mygica T230 support
  [media] cx23885: Split Hauppauge WinTV Starburst from HVR4400 card entry
  [media] tlg2300: Fix media dependencies
2015-01-24 14:34:54 -08:00
Mikulas Patocka 96b26c8c64 dm: fix handling of multiple internal suspends
Commit ffcc393641 ("dm: enhance internal suspend and resume interface")
attempted to handle multiple internal suspends on the same device, but
it did that incorrectly.  When these functions are called in this order
on the same device the device is no longer suspended, but it should be:
	dm_internal_suspend_noflush
	dm_internal_suspend_noflush
	dm_internal_resume

Fix this bug by maintaining an 'internal_suspend_count' and resuming
the device when this count drops to zero.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2015-01-24 14:50:08 -05:00
Axel Lin 86c725e3c5 hwmon: (i5500_temp) Convert to use ATTRIBUTE_GROUPS macro
Use ATTRIBUTE_GROUPS macro to simplify the code a bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
2015-01-24 14:16:22 +01:00
Axel Lin aef64d0d38 hwmon: (i5500_temp) Convert to module_pci_driver
Use module_pci_driver to simplify the code a bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
2015-01-24 14:16:22 +01:00
Jean Delvare e3d982034d hwmon: (i5500_temp) Don't bind to disabled sensors
On many motherboards, for an unknown reason, the thermal sensor seems
to be disabled and will return a constant temperature value of 36.5
degrees Celsius. Don't bind to the device in that case, so that we
don't report this bogus value to userspace.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Romain Dolbeau <romain@dolbeau.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
2015-01-24 14:16:21 +01:00
Jean Delvare b8d48ce951 hwmon: (i5500_temp) Convert to devm_hwmon_device_register_with_groups
Use devm_hwmon_device_register_with_groups() to simplify the code a
bit.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Romain Dolbeau <romain@dolbeau.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
2015-01-24 14:16:21 +01:00
Jean Delvare ada072816b hwmon: (i5500_temp) New driver for the Intel 5500/5520/X58 chipsets
The Intel 5500, 5520 and X58 chipsets embed a digital thermal sensor.
This new driver supports it.

Note that on many boards the sensor seems to be disabled and reports
the minimum value (36.5 degrees Celsius) all the time.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Tested-by: Romain Dolbeau <romain@dolbeau.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
2015-01-24 14:16:21 +01:00
Linus Torvalds c4e00f1d31 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "We have a few fixes in my for-linus branch.

  Qu Wenruo's batch fix a regression between some our merge window pull
  and the inode_cache feature.  The rest are smaller bugs"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: Don't call btrfs_start_transaction() on frozen fs to avoid deadlock.
  btrfs: Fix the bug that fs_info->pending_changes is never cleared.
  btrfs: fix state->private cast on 32 bit machines
  Btrfs: fix race deleting block group from space_info->ro_bgs list
  Btrfs: fix incorrect freeing in scrub_stripe
  btrfs: sync ioctl, handle errors after transaction start
2015-01-24 14:31:27 +12:00
Linus Torvalds 53448a538d platform-drivers-x86 for 3.19-2
dell-laptop: Revert keyboard backlight sysfs support and documentation
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Merge tag 'platform-drivers-x86-v3.19-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull platform driver fix from Darren Hart:
 "Revert keyboard backlight sysfs support and documentation.

  The support for the dell-laptop keyboard backlight was flawed and the
  fix:

        https://lkml.org/lkml/2015/1/14/539

  was more invasive that I felt comfortable sending at RC5.

  This series reverts the support for the dell-laptop keyboard backlight
  as well as the documentation for the newly created sysfs attributes.

  We'll get this implemented correctly for 3.20"

* tag 'platform-drivers-x86-v3.19-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
  Revert "platform: x86: dell-laptop: Add support for keyboard backlight"
  Revert "Documentation: Add entry for dell-laptop sysfs interface"
2015-01-24 11:26:13 +12:00
Linus Torvalds 550695925d PCI updates for v3.19:
Resource management
     - Clip bridge windows to fit in upstream windows (Yinghai Lu)
 
   Virtualization
     - Mark Atheros AR93xx to avoid using bus reset (Alex Williamson)
 
   Miscellaneous
     - Update Richard Zhu's email address (Lucas Stach)
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Merge tag 'pci-v3.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "These are fixes for:

   - a resource management problem that causes a Radeon "Fatal error
     during GPU init" on machines where the BIOS programmed an invalid
     Root Port window.  This was a regression in v3.16.

   - an Atheros AR93xx device that doesn't handle PCI bus resets
     correctly.  This was a regression in v3.14.

   - an out-of-date email address"

* tag 'pci-v3.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  MAINTAINERS: Update Richard Zhu's email address
  sparc/PCI: Clip bridge windows to fit in upstream windows
  powerpc/PCI: Clip bridge windows to fit in upstream windows
  parisc/PCI: Clip bridge windows to fit in upstream windows
  mn10300/PCI: Clip bridge windows to fit in upstream windows
  microblaze/PCI: Clip bridge windows to fit in upstream windows
  ia64/PCI: Clip bridge windows to fit in upstream windows
  frv/PCI: Clip bridge windows to fit in upstream windows
  alpha/PCI: Clip bridge windows to fit in upstream windows
  x86/PCI: Clip bridge windows to fit in upstream windows
  PCI: Add pci_claim_bridge_resource() to clip window if necessary
  PCI: Add pci_bus_clip_resource() to clip to fit upstream window
  PCI: Pass bridge device, not bus, when updating bridge windows
  PCI: Mark Atheros AR93xx to avoid bus reset
  PCI: Add flag for devices where we can't use bus reset
2015-01-24 10:58:47 +12:00
Linus Torvalds b8de08da04 Devicetree updates for v3.19-rc6
A few bugfixes for the new DT overlay feature, documentation updates,
 spelling corrections, and changes to MAINTAINERS. Nothing earth
 shattering here.
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Merge tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux

Pull devicetree bug fixes and documentation updates from Grant Likely:
 "A few bugfixes for the new DT overlay feature, documentation updates,
  spelling corrections, and changes to MAINTAINERS.  Nothing earth
  shattering here"

* tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
  of/unittest: Overlays with sub-devices tests
  of/platform: Handle of_populate drivers in notifier
  of/overlay: Do not generate duplicate nodes
  devicetree: document the "qemu" and "virtio" vendor prefixes
  devicetree: document ARM bindings for QEMU's Firmware Config interface
  Documentation: of: fix typo in graph bindings
  dma-mapping: fix debug print to display correct dma_pfn_offset
  of: replace Asahi Kasei Corp vendor prefix
  ARM: dt: GIC: Spelling s/specific/specifier/, s/flaggs/flags/
  dt/bindings: arm-boards: Spelling s/pointong/pointing/
  MAINTAINERS: Update DT website and git repository
  MAINTAINERS: drop DT regex matching on of_get_property and of_match_table
2015-01-24 10:55:05 +12:00
Olof Johansson 4b3415c936 The i.MX fixes for 3.19, 2nd round:
- Correct pwm clock assignment in i.MX25 device tree to fix the broken
    pwm support on i.MX25
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Merge tag 'imx-fixes-3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Merge "ARM: imx: fixes for 3.19, 2nd round" from Shawn Guo:

The i.MX fixes for 3.19, 2nd round:
 - Correct pwm clock assignment in i.MX25 device tree to fix the broken
   pwm support on i.MX25

* tag 'imx-fixes-3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx25: Fix PWM "per" clocks

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-23 14:23:40 -08:00
Robin Murphy e0b2180010 arm64: dts: add baud rate to Juno stdout-path
Without explicit command-line parameters, the Juno UART ends up running
at 57600 baud in the kernel, which is at odds with the 115200 baud used
by the rest of the firmware. Since commit 7914a7c565 now lets us
fix this by specifying default options in stdout-path, do so.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-23 14:17:56 -08:00
Olof Johansson 5cf920619e mvebu fixes for 3.19. (Part 4)
bus: mvebu-mbus: fix support of MBus window 13
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Merge tag 'mvebu-fixes-3.19-4' of git://git.infradead.org/linux-mvebu into fixes

Merge "mvebu/fixes #3" from Andrew Lunn:

mvebu fixes for 3.19. (Part 4)

bus: mvebu-mbus: fix support of MBus window 13

* tag 'mvebu-fixes-3.19-4' of git://git.infradead.org/linux-mvebu:
  bus: mvebu-mbus: fix support of MBus window 13
  ARM: mvebu: completely disable hardware I/O coherency

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-23 14:08:13 -08:00
Linus Torvalds 2e3810da41 Three small fixes. Two for x86 and one avoids that sparse bails out.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Three small fixes.

  Two for x86 and one avoids that sparse bails out"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: SYSENTER emulation is broken
  KVM: x86: Fix of previously incomplete fix for CVE-2014-8480
  KVM: fix sparse warning in include/trace/events/kvm.h
2015-01-24 09:58:17 +12:00
Linus Torvalds 0ad4989d62 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Another round of small ARM fixes.

  restore_user_regs early stack deallocation is buggy in the presence of
  FIQs which switch to SVC mode, and could lead to corrupted registers
  being returned to a user process given an inopportune FIQ event.

  Another bug was spotted in the ARM perf code where it could lose track
  of perf counter overflows, leading to incorrect perf results.

  Lastly, a bug in arm_add_memory() was spotted where the memory sizes
  aren't properly rounded.  As most people pass properly rounded sizes,
  this hasn't been noticed"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8292/1: mm: fix size rounding-down of arm_add_memory() function
  ARM: 8255/1: perf: Prevent wraparound during overflow
  ARM: 8266/1: Remove early stack deallocation from restore_user_regs
2015-01-24 09:57:01 +12:00
Linus Torvalds 222713bb1e arm64 fixes:
- Fix cleaning of .dtbs following directory restructuring
 - Fix allmodconfig build breakage in -next due to missing include
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull two arm64 fixes from Will Deacon:
 "Arm64 fixes seem to come in pairs recently.  We've got a fix for
  removing device-tree blobs when doing a make clean and another one
  addressing a missing include, which fixes build failures in -next for
  allmodconfig (spotted by Mark's buildbot).

  Summary from signed tag:

   - fix cleaning of .dtbs following directory restructuring
   - fix allmodconfig build breakage in -next due to missing include"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: dump: Fix implicit inclusion of definition for PCI_IOBASE
  arm64: Add dtb files to archclean rule
2015-01-24 09:55:13 +12:00
Darren Hart b78695a71d Revert "platform: x86: dell-laptop: Add support for keyboard backlight"
This reverts commit 02b2aaaa57.

This interface was determined to be flawed and required too invasive a
fix for the RC cycle. This will be revisited in 3.20.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2015-01-23 11:10:32 -08:00
Darren Hart dc58376921 Revert "Documentation: Add entry for dell-laptop sysfs interface"
This reverts commit 3161293ba6.

This interface was determined to be flawed and required too invasive a
fix for the RC cycle. This will be revisited in 3.20.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2015-01-23 11:10:12 -08:00
Joe Thornber a59db67656 dm cache: fix problematic dual use of a single migration count variable
Introduce a new variable to count the number of allocated migration
structures.  The existing variable cache->nr_migrations became
overloaded.  It was used to:

 i) track of the number of migrations in flight for the purposes of
    quiescing during suspend.

 ii) to estimate the amount of background IO occuring.

Recent discard changes meant that REQ_DISCARD bios are processed with
a migration.  Discards are not background IO so nr_migrations was not
incremented.  However this could cause quiescing to complete early.

(i) is now handled with a new variable cache->nr_allocated_migrations.
cache->nr_migrations has been renamed cache->nr_io_migrations.
cleanup_migration() is now called free_io_migration(), since it
decrements that variable.

Also, remove the unused cache->next_migration variable that got replaced
with with prealloc_structs a while ago.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
2015-01-23 11:06:08 -05:00
Joe Thornber 9b1cc9f251 dm cache: share cache-metadata object across inactive and active DM tables
If a DM table is reloaded with an inactive table when the device is not
suspended (normal procedure for LVM2), then there will be two dm-bufio
objects that can diverge.  This can lead to a situation where the
inactive table uses bufio to read metadata at the same time the active
table writes metadata -- resulting in the inactive table having stale
metadata buffers once it is promoted to the active table slot.

Fix this by using reference counting and a global list of cache metadata
objects to ensure there is only one metadata object per metadata device.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
2015-01-23 10:57:15 -05:00
Pantelis Antoniou 6b1271de37 of/unittest: Overlays with sub-devices tests
Introduce selftests for overlays using sub-devices present
in children nodes.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-01-23 13:10:07 +00:00
Nadav Amit f3747379ac KVM: x86: SYSENTER emulation is broken
SYSENTER emulation is broken in several ways:
1. It misses the case of 16-bit code segments completely (CVE-2015-0239).
2. MSR_IA32_SYSENTER_CS is checked in 64-bit mode incorrectly (bits 0 and 1 can
   still be set without causing #GP).
3. MSR_IA32_SYSENTER_EIP and MSR_IA32_SYSENTER_ESP are not masked in
   legacy-mode.
4. There is some unneeded code.

Fix it.

Cc: stable@vger.linux.org
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-01-23 13:57:15 +01:00
Nadav Amit 63ea0a49ae KVM: x86: Fix of previously incomplete fix for CVE-2014-8480
STR and SLDT with rip-relative operand can cause a host kernel oops.
Mark them as DstMem as well.

Cc: stable@vger.linux.org
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-01-23 13:56:56 +01:00
Mark Brown 284be28565 arm64: dump: Fix implicit inclusion of definition for PCI_IOBASE
Since c9465b4ec3 (arm64: add support to dump the kernel page tables)
allmodconfig has failed to build on arm64 as a result of:

../arch/arm64/mm/dump.c:55:20: error: 'PCI_IOBASE' undeclared here (not in a function)

Fix this by explicitly including io.h to ensure that a definition is
present.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-01-23 10:47:42 +00:00
Alexandre Demers 520452172e x86/tsc: Change Fast TSC calibration failed from error to info
Many users see this message when booting without knowning that it is
of no importance and that TSC calibration may have succeeded by
another way.

As explained by Paul Bolle in
http://lkml.kernel.org/r/1348488259.1436.22.camel@x61.thuisdomein

  "Fast TSC calibration failed" should not be considered as an error
  since other calibration methods are being tried afterward. At most,
  those send a warning if they fail (not an error). So let's change
  the message from error to warning.

[ tglx: Make if pr_info. It's really not important at all ]

Fixes: c767a54ba0 x86/debug: Add KERN_<LEVEL> to bare printks, convert printks to pr_<level>
Signed-off-by: Alexandre Demers <alexandre.f.demers@gmail.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1418106470-6906-1-git-send-email-alexandre.f.demers@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-01-23 10:53:52 +01:00
Bryan O'Donoghue 38a1dfda8e x86/apic: Re-enable PCI_MSI support for non-SMP X86_32
Commit 0dbc6078c0 ('x86, build, pci: Fix PCI_MSI build on !SMP')
introduced the dependency that X86_UP_APIC is only available when
PCI_MSI is false. This effectively prevents PCI_MSI support on 32bit
UP systems because it disables both APIC and IO-APIC. But APIC support
is architecturally required for PCI_MSI.

The intention of the patch was to enforce APIC support when PCI_MSI is
enabled, but failed to do so.

Remove the !PCI_MSI dependency from X86_UP_APIC and enforce
X86_UP_APIC when PCI_MSI support is enabled on 32bit UP systems.

[ tglx: Massaged changelog ]

Fixes 0dbc6078c0 'x86, build, pci: Fix PCI_MSI build on !SMP'
Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1421967529-9037-1-git-send-email-pure.logic@nexus-software.ie
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-01-23 10:20:30 +01:00