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ASoC: Updates for v4.17

Browse source 
This is a *very* big release for ASoC.  Not much change in the core but
 there s the transition of all the individual drivers over to components
 which is intended to support further core work.  The goal is to make it
 easier to do further core work by removing the need to special case all
 the different driver classes in the core, many of the devices end up
 being used in multiple roles in modern systems.
 
 We also have quite a lot of new drivers added this month of all kinds,
 quite a few for simple devices but also some more advanced ones with
 more substantial code.
 
  - The biggest thing is the huge series from Morimoto-san which
    converted everything over to components.  This is a huge change by
    code volume but was fairly mechanical
  - Many fixes for some of the Realtek based Baytrail systems covering
    both the CODECs and the CPUs, contributed by Hans de Goode.
  - Lots of cleanups for Samsung based Odroid systems from Sylwester
    Nawrocki.
  - The Freescale SSI driver also got a lot of cleanups from Nicolin
    Chen.
  - The Blackfin drivers have been removed as part of the removal of the
    architecture.
  - New drivers for AKM AK4458 and AK5558, several AMD based machines,
    several Intel based machines, Maxim MAX9759, Motorola CPCAP,
    Socionext Uniphier SoCs, and TI PCM1789 and TDA7419
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Merge tag 'asoc-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v4.17

This is a *very* big release for ASoC.  Not much change in the core but
there s the transition of all the individual drivers over to components
which is intended to support further core work.  The goal is to make it
easier to do further core work by removing the need to special case all
the different driver classes in the core, many of the devices end up
being used in multiple roles in modern systems.

We also have quite a lot of new drivers added this month of all kinds,
quite a few for simple devices but also some more advanced ones with
more substantial code.

 - The biggest thing is the huge series from Morimoto-san which
   converted everything over to components.  This is a huge change by
   code volume but was fairly mechanical
 - Many fixes for some of the Realtek based Baytrail systems covering
   both the CODECs and the CPUs, contributed by Hans de Goode.
 - Lots of cleanups for Samsung based Odroid systems from Sylwester
   Nawrocki.
 - The Freescale SSI driver also got a lot of cleanups from Nicolin
   Chen.
 - The Blackfin drivers have been removed as part of the removal of the
   architecture.
 - New drivers for AKM AK4458 and AK5558, several AMD based machines,
   several Intel based machines, Maxim MAX9759, Motorola CPCAP,
   Socionext Uniphier SoCs, and TI PCM1789 and TDA7419
This commit is contained in:
Takashi Iwai 2018-04-02 19:51:39 +02:00
commit 903d271a3f
985 changed files with 32399 additions and 25685 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

167
Documentation/ABI/testing/sysfs-ata
View file

@ -1,110 +1,139 @@
What: /sys/class/ata_...
Date: August 2008
Contact: Gwendal Grignou<gwendal@google.com>
Description:
Provide a place in sysfs for storing the ATA topology of the system. This allows
retrieving various information about ATA objects.
Provide a place in sysfs for storing the ATA topology of the
system. This allows retrieving various information about ATA
objects.
Files under /sys/class/ata_port
-------------------------------
For each port, a directory ataX is created where X is the ata_port_id of
the port. The device parent is the ata host device.
For each port, a directory ataX is created where X is the ata_port_id of the
port. The device parent is the ata host device.
idle_irq (read)
Number of IRQ received by the port while idle [some ata HBA only].
What: /sys/class/ata_port/ataX/nr_pmp_links
What: /sys/class/ata_port/ataX/idle_irq
Date: May, 2010
KernelVersion: v2.6.37
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
nr_pmp_links: (RO) If a SATA Port Multiplier (PM) is
connected, the number of links behind it.
nr_pmp_links (read)
idle_irq: (RO) Number of IRQ received by the port while
idle [some ata HBA only].
If a SATA Port Multiplier (PM) is connected, number of link behind it.
What: /sys/class/ata_port/ataX/port_no
Date: May, 2013
KernelVersion: v3.11
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
(RO) Host local port number. While registering host controller,
port numbers are tracked based upon number of ports available on
the controller. This attribute is needed by udev for composing
persistent links in /dev/disk/by-path.
Files under /sys/class/ata_link
-------------------------------
Behind each port, there is a ata_link. If there is a SATA PM in the
topology, 15 ata_link objects are created.
Behind each port, there is a ata_link. If there is a SATA PM in the topology, 15
ata_link objects are created.
If a link is behind a port, the directory name is linkX, where X is
ata_port_id of the port.
If a link is behind a PM, its name is linkX.Y where X is ata_port_id
of the parent port and Y the PM port.
If a link is behind a port, the directory name is linkX, where X is ata_port_id
of the port. If a link is behind a PM, its name is linkX.Y where X is
ata_port_id of the parent port and Y the PM port.
hw_sata_spd_limit
Maximum speed supported by the connected SATA device.
What: /sys/class/ata_link/linkX[.Y]/hw_sata_spd_limit
What: /sys/class/ata_link/linkX[.Y]/sata_spd_limit
What: /sys/class/ata_link/linkX[.Y]/sata_spd
Date: May, 2010
KernelVersion: v2.6.37
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
hw_sata_spd_limit: (RO) Maximum speed supported by the
connected SATA device.
sata_spd_limit
sata_spd_limit: (RO) Maximum speed imposed by libata.
Maximum speed imposed by libata.
sata_spd: (RO) Current speed of the link
eg. 1.5, 3 Gbps etc.
sata_spd
Current speed of the link [1.5, 3Gps,...].
Files under /sys/class/ata_device
---------------------------------
Behind each link, up to two ata device are created.
The name of the directory is devX[.Y].Z where:
- X is ata_port_id of the port where the device is connected,
- Y the port of the PM if any, and
- Z the device id: for PATA, there is usually 2 devices [0,1],
only 1 for SATA.
Behind each link, up to two ata devices are created.
The name of the directory is devX[.Y].Z where:
- X is ata_port_id of the port where the device is connected,
- Y the port of the PM if any, and
- Z the device id: for PATA, there is usually 2 devices [0,1], only 1 for SATA.
class
Device class. Can be "ata" for disk, "atapi" for packet device,
"pmp" for PM, or "none" if no device was found behind the link.
dma_mode
What: /sys/class/ata_device/devX[.Y].Z/spdn_cnt
What: /sys/class/ata_device/devX[.Y].Z/gscr
What: /sys/class/ata_device/devX[.Y].Z/ering
What: /sys/class/ata_device/devX[.Y].Z/id
What: /sys/class/ata_device/devX[.Y].Z/pio_mode
What: /sys/class/ata_device/devX[.Y].Z/xfer_mode
What: /sys/class/ata_device/devX[.Y].Z/dma_mode
What: /sys/class/ata_device/devX[.Y].Z/class
Date: May, 2010
KernelVersion: v2.6.37
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
spdn_cnt: (RO) Number of times libata decided to lower the
speed of link due to errors.
Transfer modes supported by the device when in DMA mode.
Mostly used by PATA device.
gscr: (RO) Cached result of the dump of PM GSCR
register. Valid registers are:
pio_mode
0: SATA_PMP_GSCR_PROD_ID,
1: SATA_PMP_GSCR_REV,
2: SATA_PMP_GSCR_PORT_INFO,
32: SATA_PMP_GSCR_ERROR,
33: SATA_PMP_GSCR_ERROR_EN,
64: SATA_PMP_GSCR_FEAT,
96: SATA_PMP_GSCR_FEAT_EN,
130: SATA_PMP_GSCR_SII_GPIO
Transfer modes supported by the device when in PIO mode.
Mostly used by PATA device.
Only valid if the device is a PM.
xfer_mode
ering: (RO) Formatted output of the error ring of the
device.
Current transfer mode.
id: (RO) Cached result of IDENTIFY command, as
described in ATA8 7.16 and 7.17. Only valid if
the device is not a PM.
id
pio_mode: (RO) Transfer modes supported by the device when
in PIO mode. Mostly used by PATA device.
Cached result of IDENTIFY command, as described in ATA8 7.16 and 7.17.
Only valid if the device is not a PM.
xfer_mode: (RO) Current transfer mode
gscr
dma_mode: (RO) Transfer modes supported by the device when
in DMA mode. Mostly used by PATA device.
Cached result of the dump of PM GSCR register.
Valid registers are:
0: SATA_PMP_GSCR_PROD_ID,
1: SATA_PMP_GSCR_REV,
2: SATA_PMP_GSCR_PORT_INFO,
32: SATA_PMP_GSCR_ERROR,
33: SATA_PMP_GSCR_ERROR_EN,
64: SATA_PMP_GSCR_FEAT,
96: SATA_PMP_GSCR_FEAT_EN,
130: SATA_PMP_GSCR_SII_GPIO
Only valid if the device is a PM.
class: (RO) Device class. Can be "ata" for disk,
"atapi" for packet device, "pmp" for PM, or
"none" if no device was found behind the link.
trim
Shows the DSM TRIM mode currently used by the device. Valid
values are:
unsupported: Drive does not support DSM TRIM
unqueued: Drive supports unqueued DSM TRIM only
queued: Drive supports queued DSM TRIM
forced_unqueued: Drive's queued DSM support is known to be
buggy and only unqueued TRIM commands
are sent
What: /sys/class/ata_device/devX[.Y].Z/trim
Date: May, 2015
KernelVersion: v4.10
Contact: Gwendal Grignou <gwendal@chromium.org>
Description:
(RO) Shows the DSM TRIM mode currently used by the device. Valid
values are:
spdn_cnt
unsupported: Drive does not support DSM TRIM
Number of time libata decided to lower the speed of link due to errors.
unqueued: Drive supports unqueued DSM TRIM only
ering
queued: Drive supports queued DSM TRIM
Formatted output of the error ring of the device.
forced_unqueued: Drive's queued DSM support is known to
be buggy and only unqueued TRIM commands
are sent

58
Documentation/ABI/testing/sysfs-block-device Normal file
View file

@ -0,0 +1,58 @@
What: /sys/block/*/device/sw_activity
Date: Jun, 2008
KernelVersion: v2.6.27
Contact: linux-ide@vger.kernel.org
Description:
(RW) Used by drivers which support software controlled activity
LEDs.
It has the following valid values:
0 OFF - the LED is not activated on activity
1 BLINK_ON - the LED blinks on every 10ms when activity is
detected.
2 BLINK_OFF - the LED is on when idle, and blinks off
every 10ms when activity is detected.
Note that the user must turn sw_activity OFF it they wish to
control the activity LED via the em_message file.
What: /sys/block/*/device/unload_heads
Date: Sep, 2008
KernelVersion: v2.6.28
Contact: linux-ide@vger.kernel.org
Description:
(RW) Hard disk shock protection
Writing an integer value to this file will take the heads of the
respective drive off the platter and block all I/O operations
for the specified number of milliseconds.
- If the device does not support the unload heads feature,
access is denied with -EOPNOTSUPP.
- The maximal value accepted for a timeout is 30000
milliseconds.
- A previously set timeout can be cancelled and disk can resume
normal operation immediately by specifying a timeout of 0.
- Some hard drives only comply with an earlier version of the
ATA standard, but support the unload feature nonetheless.
There is no safe way Linux can detect these devices, so this
is not enabled by default. If it is known that your device
does support the unload feature, then you can tell the kernel
to enable it by writing -1. It can be disabled again by
writing -2.
- Values below -2 are rejected with -EINVAL
For more information, see
Documentation/laptops/disk-shock-protection.txt
What: /sys/block/*/device/ncq_prio_enable
Date: Oct, 2016
KernelVersion: v4.10
Contact: linux-ide@vger.kernel.org
Description:
(RW) Write to the file to turn on or off the SATA ncq (native
command queueing) support. By default this feature is turned
off.

89
Documentation/ABI/testing/sysfs-class-scsi_host
View file

@ -27,3 +27,92 @@ Description: This file contains the current status of the "SSD Smart Path"
the direct i/o path to physical devices. This setting is
controller wide, affecting all configured logical drives on the
controller. This file is readable and writable.
What: /sys/class/scsi_host/hostX/link_power_management_policy
Date: Oct, 2007
KernelVersion: v2.6.24
Contact: linux-ide@vger.kernel.org
Description:
(RW) This parameter allows the user to read and set the link
(interface) power management.
There are four possible options:
min_power: Tell the controller to try to make the link use the
least possible power when possible. This may sacrifice some
performance due to increased latency when coming out of lower
power states.
max_performance: Generally, this means no power management.
Tell the controller to have performance be a priority over power
management.
medium_power: Tell the controller to enter a lower power state
when possible, but do not enter the lowest power state, thus
improving latency over min_power setting.
med_power_with_dipm: Identical to the existing medium_power
setting except that it enables dipm (device initiated power
management) on top, which makes it match the Windows IRST (Intel
Rapid Storage Technology) driver settings. This setting is also
close to min_power, except that:
a) It does not use host-initiated slumber mode, but it does
allow device-initiated slumber
b) It does not enable low power device sleep mode (DevSlp).
What: /sys/class/scsi_host/hostX/em_message
What: /sys/class/scsi_host/hostX/em_message_type
Date: Jun, 2008
KernelVersion: v2.6.27
Contact: linux-ide@vger.kernel.org
Description:
em_message: (RW) Enclosure management support. For the LED
protocol, writes and reads correspond to the LED message format
as defined in the AHCI spec.
The user must turn sw_activity (under /sys/block/*/device/) OFF
it they wish to control the activity LED via the em_message
file.
em_message_type: (RO) Displays the current enclosure management
protocol that is being used by the driver (for eg. LED, SAF-TE,
SES-2, SGPIO etc).
What: /sys/class/scsi_host/hostX/ahci_port_cmd
What: /sys/class/scsi_host/hostX/ahci_host_caps
What: /sys/class/scsi_host/hostX/ahci_host_cap2
Date: Mar, 2010
KernelVersion: v2.6.35
Contact: linux-ide@vger.kernel.org
Description:
[to be documented]
What: /sys/class/scsi_host/hostX/ahci_host_version
Date: Mar, 2010
KernelVersion: v2.6.35
Contact: linux-ide@vger.kernel.org
Description:
(RO) Display the version of the AHCI spec implemented by the
host.
What: /sys/class/scsi_host/hostX/em_buffer
Date: Apr, 2010
KernelVersion: v2.6.35
Contact: linux-ide@vger.kernel.org
Description:
(RW) Allows access to AHCI EM (enclosure management) buffer
directly if the host supports EM.
For eg. the AHCI driver supports SGPIO EM messages but the
SATA/AHCI specs do not define the SGPIO message format of the EM
buffer. Different hardware(HW) vendors may have different
definitions. With the em_buffer attribute, this issue can be
solved by allowing HW vendors to provide userland drivers and
tools for their SGPIO initiators.
What: /sys/class/scsi_host/hostX/em_message_supported
Date: Oct, 2009
KernelVersion: v2.6.39
Contact: linux-ide@vger.kernel.org
Description:
(RO) Displays supported enclosure management message types.

1
Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt
View file

@ -16,6 +16,7 @@ Required properties:
- ddc: phandle to the hdmi ddc node
- phy: phandle to the hdmi phy node
- samsung,syscon-phandle: phandle for system controller node for PMU.
- #sound-dai-cells: should be 0.
Required properties for Exynos 4210, 4212, 5420 and 5433:
- clocks: list of clock IDs from SoC clock driver.

4
Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt
View file

@ -3,11 +3,11 @@ Device-Tree bindings for sigma delta modulator
Required properties:
- compatible: should be "ads1201", "sd-modulator". "sd-modulator" can be use
as a generic SD modulator if modulator not specified in compatible list.
- #io-channel-cells = <1>: See the IIO bindings section "IIO consumers".
- #io-channel-cells = <0>: See the IIO bindings section "IIO consumers".
Example node:
ads1202: adc@0 {
compatible = "sd-modulator";
#io-channel-cells = <1>;
#io-channel-cells = <0>;
};

50
Documentation/devicetree/bindings/net/dsa/marvell.txt
View file

@ -50,14 +50,15 @@ Example:
compatible = "marvell,mv88e6085";
reg = <0>;
reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
};
mdio {
#address-cells = <1>;
#size-cells = <0>;
switch1phy0: switch1phy0@0 {
reg = <0>;
interrupt-parent = <&switch0>;
interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
mdio {
#address-cells = <1>;
#size-cells = <0>;
switch1phy0: switch1phy0@0 {
reg = <0>;
interrupt-parent = <&switch0>;
interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
};
};
};
};
@ -74,23 +75,24 @@ Example:
compatible = "marvell,mv88e6390";
reg = <0>;
reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
};
mdio {
#address-cells = <1>;
#size-cells = <0>;
switch1phy0: switch1phy0@0 {
reg = <0>;
interrupt-parent = <&switch0>;
interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
};
};
mdio1 {
compatible = "marvell,mv88e6xxx-mdio-external";
#address-cells = <1>;
#size-cells = <0>;
switch1phy9: switch1phy0@9 {
reg = <9>;
mdio {
#address-cells = <1>;
#size-cells = <0>;
switch1phy0: switch1phy0@0 {
reg = <0>;
interrupt-parent = <&switch0>;
interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
};
};
mdio1 {
compatible = "marvell,mv88e6xxx-mdio-external";
#address-cells = <1>;
#size-cells = <0>;
switch1phy9: switch1phy0@9 {
reg = <9>;
};
};
};
};

6
Documentation/devicetree/bindings/net/renesas,ravb.txt
View file

@ -27,7 +27,11 @@ Required properties:
SoC-specific version corresponding to the platform first followed by
the generic version.
- reg: offset and length of (1) the register block and (2) the stream buffer.
- reg: Offset and length of (1) the register block and (2) the stream buffer.
The region for the register block is mandatory.
The region for the stream buffer is optional, as it is only present on
R-Car Gen2 and RZ/G1 SoCs, and on R-Car H3 (R8A7795), M3-W (R8A7796),
and M3-N (R8A77965).
- interrupts: A list of interrupt-specifiers, one for each entry in
interrupt-names.
If interrupt-names is not present, an interrupt specifier

23
Documentation/devicetree/bindings/sound/ak4458.txt Normal file
View file

@ -0,0 +1,23 @@
AK4458 audio DAC
This device supports I2C mode.
Required properties:
- compatible : "asahi-kasei,ak4458"
- reg : The I2C address of the device for I2C
Optional properties:
- reset-gpios: A GPIO specifier for the power down & reset pin
- mute-gpios: A GPIO specifier for the soft mute pin
Example:
&i2c {
ak4458: dac@10 {
compatible = "asahi-kasei,ak4458";
reg = <0x10>;
reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>
mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>
};
};

22
Documentation/devicetree/bindings/sound/ak5558.txt Normal file
View file

@ -0,0 +1,22 @@
AK5558 8 channel differential 32-bit delta-sigma ADC
This device supports I2C mode only.
Required properties:
- compatible : "asahi-kasei,ak5558"
- reg : The I2C address of the device.
Optional properties:
- reset-gpios: A GPIO specifier for the power down & reset pin.
Example:
&i2c {
ak5558: adc@10 {
compatible = "asahi-kasei,ak5558";
reg = <0x10>;
reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
};
};

6
Documentation/devicetree/bindings/sound/da7219.txt
View file

@ -25,6 +25,9 @@ Optional properties:
interrupt is to be used to wake system, otherwise "irq" should be used.
- wakeup-source: Flag to indicate this device can wake system (suspend/resume).
- #clock-cells : Should be set to '<0>', only one clock source provided;
- clock-output-names : Name given for DAI clocks output;
- clocks : phandle and clock specifier for codec MCLK.
- clock-names : Clock name string for 'clocks' attribute, should be "mclk".
@ -83,6 +86,9 @@ Example:
VDDMIC-supply = <&reg_audio>;
VDDIO-supply = <&reg_audio>;
#clock-cells = <0>;
clock-output-names = "dai-clks";
clocks = <&clks 201>;
clock-names = "mclk";

2
Documentation/devicetree/bindings/sound/dmic.txt
View file

@ -8,6 +8,7 @@ Required properties:
Optional properties:
- dmicen-gpios: GPIO specifier for dmic to control start and stop
- num-channels: Number of microphones on this DAI
- wakeup-delay-ms: Delay (in ms) after enabling the DMIC
Example node:
@ -15,4 +16,5 @@ Example node:
compatible = "dmic-codec";
dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
num-channels = <1>;
wakeup-delay-ms <50>;
};

1
Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
View file

@ -28,7 +28,6 @@ The compatible list for this generic sound card currently:
(compatible with CS4271 and CS4272)
"fsl,imx-audio-wm8962"
(compatible with Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt)
"fsl,imx-audio-sgtl5000"
(compatible with Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt)

53
Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt
View file

@ -1,53 +0,0 @@
Freescale i.MX audio complex with WM8962 codec
Required properties:
- compatible : "fsl,imx-audio-wm8962"
- model : The user-visible name of this sound complex
- ssi-controller : The phandle of the i.MX SSI controller
- audio-codec : The phandle of the WM8962 audio codec
- audio-routing : A list of the connections between audio components.
Each entry is a pair of strings, the first being the
connection's sink, the second being the connection's
source. Valid names could be power supplies, WM8962
pins, and the jacks on the board:
Power supplies:
* Mic Bias
Board connectors:
* Mic Jack
* Headphone Jack
* Ext Spk
- mux-int-port : The internal port of the i.MX audio muxer (AUDMUX)
- mux-ext-port : The external port of the i.MX audio muxer
Note: The AUDMUX port numbering should start at 1, which is consistent with
hardware manual.
Example:
sound {
compatible = "fsl,imx6q-sabresd-wm8962",
"fsl,imx-audio-wm8962";
model = "wm8962-audio";
ssi-controller = <&ssi2>;
audio-codec = <&codec>;
audio-routing =
"Headphone Jack", "HPOUTL",
"Headphone Jack", "HPOUTR",
"Ext Spk", "SPKOUTL",
"Ext Spk", "SPKOUTR",
"MICBIAS", "AMIC",
"IN3R", "MICBIAS",
"DMIC", "MICBIAS",
"DMICDAT", "DMIC";
mux-int-port = <2>;
mux-ext-port = <3>;
};

2
Documentation/devicetree/bindings/sound/max98090.txt
View file

@ -16,6 +16,8 @@ Optional properties:
- clock-names: Should be "mclk"
- #sound-dai-cells : should be 0.
- maxim,dmic-freq: Frequency at which to clock DMIC
- maxim,micbias: Micbias voltage applies to the analog mic, valid voltages value are:

18
Documentation/devicetree/bindings/sound/maxim,max9759.txt Normal file
View file

@ -0,0 +1,18 @@
Maxim MAX9759 Speaker Amplifier
===============================
Required properties:
- compatible : "maxim,max9759"
- shutdown-gpios : the gpio connected to the shutdown pin
- mute-gpios : the gpio connected to the mute pin
- gain-gpios : the 2 gpios connected to the g1 and g2 pins
Example:
max9759: analog-amplifier {
compatible = "maxim,max9759";
shutdown-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
mute-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
gain-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>,
<&gpio3 25 GPIO_ACTIVE_LOW>;
};

2
Documentation/devicetree/bindings/sound/mt2701-afe-pcm.txt
View file

@ -53,7 +53,7 @@ See ../arm/mediatek/mediatek,audsys.txt for details about the parent node.
Example:
audsys: audio-subsystem@11220000 {
compatible = "mediatek,mt2701-audsys", "syscon", "simple-mfd";
compatible = "mediatek,mt2701-audsys", "syscon";
...
afe: audio-controller {

22
Documentation/devicetree/bindings/sound/pcm1789.txt Normal file
View file

@ -0,0 +1,22 @@
Texas Instruments pcm1789 DT bindings
PCM1789 is a simple audio codec that can be connected via
I2C or SPI. Currently, only I2C bus is supported.
Required properties:
- compatible: "ti,pcm1789"
Required properties on I2C:
- reg: the I2C address
- reset-gpios: GPIO to control the RESET pin
Examples:
audio-codec@4c {
compatible = "ti,pcm1789";
reg = <0x4c>;
reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
#sound-dai-cells = <0>;
};

1
Documentation/devicetree/bindings/sound/renesas,rsnd.txt
View file

@ -351,6 +351,7 @@ Required properties:
- "renesas,rcar_sound-r8a7793" (R-Car M2-N)
- "renesas,rcar_sound-r8a7794" (R-Car E2)
- "renesas,rcar_sound-r8a7795" (R-Car H3)
- "renesas,rcar_sound-r8a7796" (R-Car M3-W)
- reg : Should contain the register physical address.
required register is
SRU/ADG/SSI if generation1

2
Documentation/devicetree/bindings/sound/rockchip,rk3288-hdmi-analog.txt
View file

@ -22,7 +22,7 @@ Optionnal properties:
Example:
sound {
compatible = "rockchip,rockchip-audio-es8388";
compatible = "rockchip,rk3288-hdmi-analog";
rockchip,model = "Analog audio output";
rockchip,i2s-controller = <&i2s>;
rockchip,audio-codec = <&es8388>;

29
Documentation/devicetree/bindings/sound/rohm,bd28623.txt Normal file
View file

@ -0,0 +1,29 @@
ROHM BD28623MUV Class D speaker amplifier for digital input
This codec does not have any control buses such as I2C, it detect format and
rate of I2S signal automatically. It has two signals that can be connected
to GPIOs: reset and mute.
Required properties:
- compatible : should be "rohm,bd28623"
- #sound-dai-cells: should be 0.
- VCCA-supply : regulator phandle for the VCCA supply
- VCCP1-supply : regulator phandle for the VCCP1 supply
- VCCP2-supply : regulator phandle for the VCCP2 supply
Optional properties:
- reset-gpios : GPIO specifier for the active low reset line
- mute-gpios : GPIO specifier for the active low mute line
Example:
codec {
compatible = "rohm,bd28623";
#sound-dai-cells = <0>;
VCCA-supply = <&vcc_reg>;
VCCP1-supply = <&vcc_reg>;
VCCP2-supply = <&vcc_reg>;
reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
mute-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
};

17
Documentation/devicetree/bindings/sound/rt5651.txt
View file

@ -16,6 +16,23 @@ Optional properties:
- realtek,dmic-en
Boolean. true if dmic is used.
- realtek,jack-detect-source
u32. Valid values:
1: Use JD1_1 pin for jack-detect
2: Use JD1_2 pin for jack-detect
3: Use JD2 pin for jack-detect
- realtek,over-current-threshold-microamp
u32, micbias over-current detection threshold in µA, valid values are
600, 1500 and 2000µA.
- realtek,over-current-scale-factor
u32, micbias over-current detection scale-factor, valid values are:
0: Scale current by 0.5
1: Scale current by 0.75
2: Scale current by 1.0
3: Scale current by 1.5
Pins on the device (for linking into audio routes) for RT5651:
* DMIC L1

4
Documentation/devicetree/bindings/sound/rt5665.txt
View file

@ -1,10 +1,10 @@
RT5665/RT5666/RT5668 audio CODEC
RT5665/RT5666 audio CODEC
This device supports I2C only.
Required properties:
- compatible : One of "realtek,rt5665", "realtek,rt5666" or "realtek,rt5668".
- compatible : One of "realtek,rt5665", "realtek,rt5666".
- reg : The I2C address of the device.

8
Documentation/devicetree/bindings/sound/samsung,odroid.txt
View file

@ -2,8 +2,10 @@ Samsung Exynos Odroid XU3/XU4 audio complex with MAX98090 codec
Required properties:
- compatible - "samsung,odroidxu3-audio" - for Odroid XU3 board,
"samsung,odroidxu4-audio" - for Odroid XU4 board
- compatible - "hardkernel,odroid-xu3-audio" - for Odroid XU3 board,
"hardkernel,odroid-xu4-audio" - for Odroid XU4 board (deprecated),
"samsung,odroid-xu3-audio" - for Odroid XU3 board (deprecated),
"samsung,odroid-xu4-audio" - for Odroid XU4 board (deprecated)
- model - the user-visible name of this sound complex
- clocks - should contain entries matching clock names in the clock-names
property
@ -35,7 +37,7 @@ Required sub-nodes:
Example:
sound {
compatible = "samsung,odroidxu3-audio";
compatible = "hardkernel,odroid-xu3-audio";
model = "Odroid-XU3";
samsung,audio-routing =
"Headphone Jack", "HPL",

14
Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
View file

@ -4,9 +4,13 @@ Required properties:
- compatible : "samsung,tm2-audio"
- model : the user-visible name of this sound complex
- audio-codec : the phandle of the wm5110 audio codec node,
as described in ../mfd/arizona.txt
- i2s-controller : the phandle of the I2S controller
- audio-codec : the first entry should be phandle of the wm5110 audio
codec node, as described in ../mfd/arizona.txt;
the second entry should be phandle of the HDMI
transmitter node
- i2s-controller : the list of phandle and argument tuples pointing to
I2S controllers, the first entry should be I2S0 and
the second one I2S1
- audio-amplifier : the phandle of the MAX98504 amplifier
- samsung,audio-routing : a list of the connections between audio components;
each entry is a pair of strings, the first being the
@ -22,8 +26,8 @@ Example:
sound {
compatible = "samsung,tm2-audio";
audio-codec = <&wm5110>;
i2s-controller = <&i2s0>;
audio-codec = <&wm5110>, <&hdmi>;
i2s-controller = <&i2s0 0>, <&i2s1 0>;
audio-amplifier = <&max98504>;
mic-bias-gpios = <&gpr3 2 0>;
model = "wm5110";

22
Documentation/devicetree/bindings/sound/samsung-i2s.txt
View file

@ -7,7 +7,7 @@ Required SoC Specific Properties:
- samsung,s5pv210-i2s: for 8/16/24bit multichannel(5.1) I2S with
secondary fifo, s/w reset control and internal mux for root clk src.
- samsung,exynos5420-i2s: for 8/16/24bit multichannel(5.1) I2S for
playback, sterio channel capture, secondary fifo using internal
playback, stereo channel capture, secondary fifo using internal
or external dma, s/w reset control, internal mux for root clk src
and 7.1 channel TDM support for playback. TDM (Time division multiplexing)
is to allow transfer of multiple channel audio data on single data line.
@ -25,7 +25,7 @@ Required SoC Specific Properties:
These strings correspond 1:1 with the ordered pairs in dmas.
- clocks: Handle to iis clock and RCLK source clk.
- clock-names:
i2s0 uses some base clks from CMU and some are from audio subsystem internal
i2s0 uses some base clocks from CMU and some are from audio subsystem internal
clock controller. The clock names for i2s0 should be "iis", "i2s_opclk0" and
"i2s_opclk1" as shown in the example below.
i2s1 and i2s2 uses clocks from CMU. The clock names for i2s1 and i2s2 should
@ -36,9 +36,9 @@ Required SoC Specific Properties:
- #clock-cells: should be 1, this property must be present if the I2S device
is a clock provider in terms of the common clock bindings, described in
../clock/clock-bindings.txt.
- clock-output-names: from the common clock bindings, names of the CDCLK
I2S output clocks, suggested values are "i2s_cdclk0", "i2s_cdclk1",
"i2s_cdclk3" for the I2S0, I2S1, I2S2 devices recpectively.
- clock-output-names (deprecated): from the common clock bindings, names of
the CDCLK I2S output clocks, suggested values are "i2s_cdclk0", "i2s_cdclk1",
"i2s_cdclk3" for the I2S0, I2S1, I2S2 devices respectively.
There are following clocks available at the I2S device nodes:
CLK_I2S_CDCLK - the CDCLK (CODECLKO) gate clock,
@ -49,9 +49,10 @@ There are following clocks available at the I2S device nodes:
Refer to the SoC datasheet for availability of the above clocks.
The CLK_I2S_RCLK_PSR and CLK_I2S_RCLK_SRC clocks are usually only available
in the IIS Multi Audio Interface (I2S0).
Note: Old DTs may not have the #clock-cells, clock-output-names properties
and then not use the I2S node as a clock supplier.
in the IIS Multi Audio Interface.
Note: Old DTs may not have the #clock-cells property and then not use the I2S
node as a clock supplier.
Optional SoC Specific Properties:
@ -59,6 +60,7 @@ Optional SoC Specific Properties:
sub system(used in secondary sound source).
- pinctrl-0: Should specify pin control groups used for this controller.
- pinctrl-names: Should contain only one value - "default".
- #sound-dai-cells: should be 1.
Example:
@ -74,9 +76,9 @@ i2s0: i2s@3830000 {
<&clock_audss EXYNOS_I2S_BUS>,
<&clock_audss EXYNOS_SCLK_I2S>;
clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
#clock-cells;
clock-output-names = "i2s_cdclk0";
#clock-cells = <1>;
samsung,idma-addr = <0x03000000>;
pinctrl-names = "default";
pinctrl-0 = <&i2s0_bus>;
#sound-dai-cells = <1>;
};

3
Documentation/devicetree/bindings/sound/sgtl5000.txt
View file

@ -5,6 +5,8 @@ Required properties:
- reg : the I2C address of the device
- #sound-dai-cells: must be equal to 0
- clocks : the clock provider of SYS_MCLK
- VDDA-supply : the regulator provider of VDDA
@ -40,6 +42,7 @@ Example:
codec: sgtl5000@a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
#sound-dai-cells = <0>;
clocks = <&clks 150>;
micbias-resistor-k-ohms = <2>;
micbias-voltage-m-volts = <2250>;

13
Documentation/devicetree/bindings/sound/snow.txt
View file

@ -5,8 +5,17 @@ Required properties:
"google,snow-audio-max98090" or
"google,snow-audio-max98091" or
"google,snow-audio-max98095"
- samsung,i2s-controller: The phandle of the Samsung I2S controller
- samsung,audio-codec: The phandle of the audio codec
- samsung,i2s-controller (deprecated): The phandle of the Samsung I2S controller
- samsung,audio-codec (deprecated): The phandle of the audio codec
Required sub-nodes:
- 'cpu' subnode with a 'sound-dai' property containing the phandle of the I2S
controller
- 'codec' subnode with a 'sound-dai' property containing list of phandles
to the CODEC nodes, first entry must be the phandle of the MAX98090,
MAX98091 or MAX98095 CODEC (exact device type is indicated by the compatible
string) and the second entry must be the phandle of the HDMI IP block node
Optional:
- samsung,model: The name of the sound-card

6
Documentation/devicetree/bindings/sound/st,stm32-sai.txt
View file

@ -45,6 +45,12 @@ SAI subnodes Optional properties:
This property sets SAI sub-block as slave of another SAI sub-block.
Must contain the phandle and index of the sai sub-block providing
the synchronization.
- st,iec60958: support S/PDIF IEC6958 protocol for playback
IEC60958 protocol is not available for capture.
By default, custom protocol is assumed, meaning that protocol is
configured according to protocol defined in related DAI link node,
such as i2s, left justified, right justified, dsp and pdm protocols.
Note: ac97 protocol is not supported by SAI driver
The device node should contain one 'port' child node with one child 'endpoint'
node, according to the bindings defined in Documentation/devicetree/bindings/

38
Documentation/devicetree/bindings/sound/tda7419.txt Normal file
View file

@ -0,0 +1,38 @@
TDA7419 audio processor
This device supports I2C only.
Required properties:
- compatible : "st,tda7419"
- reg : the I2C address of the device.
- vdd-supply : a regulator spec for the common power supply (8-10V)
Optional properties:
- st,mute-gpios : a GPIO spec for the MUTE pin.
Pins on the device (for linking into audio routes):
* SE3L
* SE3R
* SE2L
* SE2R
* SE1L
* SE1R
* DIFFL
* DIFFR
* MIX
* OUTLF
* OUTRF
* OUTLR
* OUTRR
* OUTSW
Example:
ap: tda7419@44 {
compatible = "st,tda7419";
reg = <0x44>;
vdd-supply = <&vdd_9v0_reg>;
};

45
Documentation/devicetree/bindings/sound/uniphier,aio.txt Normal file
View file

@ -0,0 +1,45 @@
Socionext UniPhier SoC audio driver
The Socionext UniPhier audio subsystem consists of I2S and S/PDIF blocks in
the same register space.
Required properties:
- compatible : should be one of the following:
"socionext,uniphier-ld11-aio"
"socionext,uniphier-ld20-aio"
"socionext,uniphier-pxs2-aio"
- reg : offset and length of the register set for the device.
- interrupts : should contain I2S or S/PDIF interrupt.
- pinctrl-names : should be "default".
- pinctrl-0 : defined I2S signal pins for an external codec chip.
- clock-names : should include following entries:
"aio"
- clocks : a list of phandle, should contain an entry for each
entry in clock-names.
- reset-names : should include following entries:
"aio"
- resets : a list of phandle, should contain an entry for each
entry in reset-names.
- #sound-dai-cells: should be 1.
Optional properties:
- socionext,syscon: a phandle, should contain soc-glue.
The soc-glue is used for changing mode of S/PDIF signal pin
to Output from Hi-Z. This property is optional if you use
I2S signal pins only.
Example:
audio {
compatible = "socionext,uniphier-ld20-aio";
reg = <0x56000000 0x80000>;
interrupts = <0 144 4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_aout>;
clock-names = "aio";
clocks = <&sys_clk 40>;
reset-names = "aio";
resets = <&sys_rst 40>;
#sound-dai-cells = <1>;
socionext,syscon = <&sg>;
};

2
Documentation/devicetree/bindings/sound/wm8524.txt
View file

@ -10,7 +10,7 @@ Required properties:
Example:
codec: wm8524@0 {
codec: wm8524 {
compatible = "wlf,wm8524";
wlf,mute-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
};

2
Documentation/devicetree/bindings/usb/dwc2.txt
View file

@ -19,7 +19,7 @@ Required properties:
configured in FS mode;
- "st,stm32f4x9-hsotg": The DWC2 USB HS controller instance in STM32F4x9 SoCs
configured in HS mode;
- "st,stm32f7xx-hsotg": The DWC2 USB HS controller instance in STM32F7xx SoCs
- "st,stm32f7-hsotg": The DWC2 USB HS controller instance in STM32F7 SoCs
configured in HS mode;
- reg : Should contain 1 register range (address and length)
- interrupts : Should contain 1 interrupt

1
Documentation/devicetree/bindings/usb/renesas_usb3.txt
View file

@ -4,6 +4,7 @@ Required properties:
- compatible: Must contain one of the following:
- "renesas,r8a7795-usb3-peri"
- "renesas,r8a7796-usb3-peri"
- "renesas,r8a77965-usb3-peri"
- "renesas,rcar-gen3-usb3-peri" for a generic R-Car Gen3 compatible
device

1
Documentation/devicetree/bindings/usb/renesas_usbhs.txt
View file

@ -12,6 +12,7 @@ Required properties:
- "renesas,usbhs-r8a7794" for r8a7794 (R-Car E2) compatible device
- "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device
- "renesas,usbhs-r8a7796" for r8a7796 (R-Car M3-W) compatible device
- "renesas,usbhs-r8a77965" for r8a77965 (R-Car M3-N) compatible device
- "renesas,usbhs-r8a77995" for r8a77995 (R-Car D3) compatible device
- "renesas,usbhs-r7s72100" for r7s72100 (RZ/A1) compatible device
- "renesas,rcar-gen2-usbhs" for R-Car Gen2 or RZ/G1 compatible devices

1
Documentation/devicetree/bindings/usb/usb-xhci.txt
View file

@ -13,6 +13,7 @@ Required properties:
- "renesas,xhci-r8a7793" for r8a7793 SoC
- "renesas,xhci-r8a7795" for r8a7795 SoC
- "renesas,xhci-r8a7796" for r8a7796 SoC
- "renesas,xhci-r8a77965" for r8a77965 SoC
- "renesas,rcar-gen2-xhci" for a generic R-Car Gen2 or RZ/G1 compatible
device
- "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 compatible device

18
Documentation/networking/segmentation-offloads.txt
View file

@ -20,8 +20,8 @@ TCP Segmentation Offload
TCP segmentation allows a device to segment a single frame into multiple
frames with a data payload size specified in skb_shinfo()->gso_size.
When TCP segmentation requested the bit for either SKB_GSO_TCP or
SKB_GSO_TCP6 should be set in skb_shinfo()->gso_type and
When TCP segmentation requested the bit for either SKB_GSO_TCPV4 or
SKB_GSO_TCPV6 should be set in skb_shinfo()->gso_type and
skb_shinfo()->gso_size should be set to a non-zero value.
TCP segmentation is dependent on support for the use of partial checksum
@ -153,8 +153,18 @@ To signal this, gso_size is set to the special value GSO_BY_FRAGS.
Therefore, any code in the core networking stack must be aware of the
possibility that gso_size will be GSO_BY_FRAGS and handle that case
appropriately. (For size checks, the skb_gso_validate_*_len family of
helpers do this automatically.)
appropriately.
There are some helpers to make this easier:
- skb_is_gso(skb) && skb_is_gso_sctp(skb) is the best way to see if
an skb is an SCTP GSO skb.
- For size checks, the skb_gso_validate_*_len family of helpers correctly
considers GSO_BY_FRAGS.
- For manipulating packets, skb_increase_gso_size and skb_decrease_gso_size
will check for GSO_BY_FRAGS and WARN if asked to manipulate these skbs.
This also affects drivers with the NETIF_F_FRAGLIST & NETIF_F_GSO_SCTP bits
set. Note also that NETIF_F_GSO_SCTP is included in NETIF_F_GSO_SOFTWARE.

10
MAINTAINERS
View file

@ -841,13 +841,6 @@ F: sound/soc/codecs/ad7*
F: sound/soc/codecs/ssm*
F: sound/soc/codecs/sigmadsp.*
ANALOG DEVICES INC ASOC DRIVERS
L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers)
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
W: http://blackfin.uclinux.org/
S: Supported
F: sound/soc/blackfin/*
ANALOG DEVICES INC DMA DRIVERS
M: Lars-Peter Clausen <lars@metafoo.de>
W: http://ez.analog.com/community/linux-device-drivers
@ -10334,7 +10327,7 @@ F: drivers/oprofile/
F: include/linux/oprofile.h
ORACLE CLUSTER FILESYSTEM 2 (OCFS2)
M: Mark Fasheh <mfasheh@versity.com>
M: Mark Fasheh <mark@fasheh.com>
M: Joel Becker <jlbec@evilplan.org>
L: ocfs2-devel@oss.oracle.com (moderated for non-subscribers)
W: http://ocfs2.wiki.kernel.org
@ -10844,6 +10837,7 @@ F: drivers/platform/x86/peaq-wmi.c
PER-CPU MEMORY ALLOCATOR
M: Tejun Heo <tj@kernel.org>
M: Christoph Lameter <cl@linux.com>
M: Dennis Zhou <dennisszhou@gmail.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git
S: Maintained
F: include/linux/percpu*.h

11
Makefile
View file

@ -2,7 +2,7 @@
VERSION = 4
PATCHLEVEL = 16
SUBLEVEL = 0
EXTRAVERSION = -rc5
EXTRAVERSION = -rc7
NAME = Fearless Coyote
# *DOCUMENTATION*
@ -826,6 +826,15 @@ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
# disable invalid "can't wrap" optimizations for signed / pointers
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
# clang sets -fmerge-all-constants by default as optimization, but this
# is non-conforming behavior for C and in fact breaks the kernel, so we
# need to disable it here generally.
KBUILD_CFLAGS += $(call cc-option,-fno-merge-all-constants)
# for gcc -fno-merge-all-constants disables everything, but it is fine
# to have actual conforming behavior enabled.
KBUILD_CFLAGS += $(call cc-option,-fmerge-constants)
# Make sure -fstack-check isn't enabled (like gentoo apparently did)
KBUILD_CFLAGS += $(call cc-option,-fno-stack-check,)

3
arch/arm64/kvm/guest.c
View file

@ -363,8 +363,6 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
{
int ret = 0;
vcpu_load(vcpu);
trace_kvm_set_guest_debug(vcpu, dbg->control);
if (dbg->control & ~KVM_GUESTDBG_VALID_MASK) {
@ -386,7 +384,6 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
}
out:
vcpu_put(vcpu);
return ret;
}

10
arch/arm64/mm/mmu.c
View file

@ -972,3 +972,13 @@ int pmd_clear_huge(pmd_t *pmdp)
pmd_clear(pmdp);
return 1;
}
int pud_free_pmd_page(pud_t *pud)
{
return pud_none(*pud);
}
int pmd_free_pte_page(pmd_t *pmd)
{
return pmd_none(*pmd);
}

1
arch/h8300/include/asm/byteorder.h
View file

@ -2,7 +2,6 @@
#ifndef __H8300_BYTEORDER_H__
#define __H8300_BYTEORDER_H__
#define __BIG_ENDIAN __ORDER_BIG_ENDIAN__
#include <linux/byteorder/big_endian.h>
#endif

1
arch/microblaze/Kconfig
View file

@ -24,6 +24,7 @@ config MICROBLAZE
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
select NO_BOOTMEM
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_OPROFILE

2
arch/microblaze/Kconfig.platform
View file

@ -8,7 +8,6 @@ menu "Platform options"
config OPT_LIB_FUNCTION
bool "Optimalized lib function"
depends on CPU_LITTLE_ENDIAN
default y
help
Allows turn on optimalized library function (memcpy and memmove).
@ -21,6 +20,7 @@ config OPT_LIB_FUNCTION
config OPT_LIB_ASM
bool "Optimalized lib function ASM"
depends on OPT_LIB_FUNCTION && (XILINX_MICROBLAZE0_USE_BARREL = 1)
depends on CPU_BIG_ENDIAN
default n
help
Allows turn on optimalized library function (memcpy and memmove).

1
arch/microblaze/include/asm/setup.h
View file

@ -44,7 +44,6 @@ void machine_shutdown(void);
void machine_halt(void);
void machine_power_off(void);
extern void *alloc_maybe_bootmem(size_t size, gfp_t mask);
extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
# endif /* __ASSEMBLY__ */

4
arch/microblaze/lib/fastcopy.S
View file

@ -29,10 +29,6 @@
* between mem locations with size of xfer spec'd in bytes
*/
#ifdef __MICROBLAZEEL__
#error Microblaze LE not support ASM optimized lib func. Disable OPT_LIB_ASM.
#endif
#include <linux/linkage.h>
.text
.globl memcpy

64
arch/microblaze/mm/init.c
View file

@ -32,9 +32,6 @@ int mem_init_done;
#ifndef CONFIG_MMU
unsigned int __page_offset;
EXPORT_SYMBOL(__page_offset);
#else
static int init_bootmem_done;
#endif /* CONFIG_MMU */
char *klimit = _end;
@ -117,7 +114,6 @@ static void __init paging_init(void)
void __init setup_memory(void)
{
unsigned long map_size;
struct memblock_region *reg;
#ifndef CONFIG_MMU
@ -174,17 +170,6 @@ void __init setup_memory(void)
pr_info("%s: max_low_pfn: %#lx\n", __func__, max_low_pfn);
pr_info("%s: max_pfn: %#lx\n", __func__, max_pfn);
/*
* Find an area to use for the bootmem bitmap.
* We look for the first area which is at least
* 128kB in length (128kB is enough for a bitmap
* for 4GB of memory, using 4kB pages), plus 1 page
* (in case the address isn't page-aligned).
*/
map_size = init_bootmem_node(NODE_DATA(0),
PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn);
memblock_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size);
/* Add active regions with valid PFNs */
for_each_memblock(memory, reg) {
unsigned long start_pfn, end_pfn;
@ -196,32 +181,9 @@ void __init setup_memory(void)
&memblock.memory, 0);
}
/* free bootmem is whole main memory */
free_bootmem_with_active_regions(0, max_low_pfn);
/* reserve allocate blocks */
for_each_memblock(reserved, reg) {
unsigned long top = reg->base + reg->size - 1;
pr_debug("reserved - 0x%08x-0x%08x, %lx, %lx\n",
(u32) reg->base, (u32) reg->size, top,
memory_start + lowmem_size - 1);
if (top <= (memory_start + lowmem_size - 1)) {
reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
} else if (reg->base < (memory_start + lowmem_size - 1)) {
unsigned long trunc_size = memory_start + lowmem_size -
reg->base;
reserve_bootmem(reg->base, trunc_size, BOOTMEM_DEFAULT);
}
}
/* XXX need to clip this if using highmem? */
sparse_memory_present_with_active_regions(0);
#ifdef CONFIG_MMU
init_bootmem_done = 1;
#endif
paging_init();
}
@ -398,30 +360,16 @@ asmlinkage void __init mmu_init(void)
/* This is only called until mem_init is done. */
void __init *early_get_page(void)
{
void *p;
if (init_bootmem_done) {
p = alloc_bootmem_pages(PAGE_SIZE);
} else {
/*
* Mem start + kernel_tlb -> here is limit
* because of mem mapping from head.S
*/
p = __va(memblock_alloc_base(PAGE_SIZE, PAGE_SIZE,
memory_start + kernel_tlb));
}
return p;
/*
* Mem start + kernel_tlb -> here is limit
* because of mem mapping from head.S
*/
return __va(memblock_alloc_base(PAGE_SIZE, PAGE_SIZE,
memory_start + kernel_tlb));
}
#endif /* CONFIG_MMU */
void * __ref alloc_maybe_bootmem(size_t size, gfp_t mask)
{
if (mem_init_done)
return kmalloc(size, mask);
else
return alloc_bootmem(size);
}
void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask)
{
void *p;

2
arch/mips/lantiq/Kconfig
View file

@ -13,6 +13,8 @@ choice
config SOC_AMAZON_SE
bool "Amazon SE"
select SOC_TYPE_XWAY
select MFD_SYSCON
select MFD_CORE
config SOC_XWAY
bool "XWAY"

6
arch/mips/lantiq/xway/sysctrl.c
View file

@ -549,9 +549,9 @@ void __init ltq_soc_init(void)
clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(),
ltq_ar9_fpi_hz(), CLOCK_250M);
clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P);
clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0);
clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM);
clkdev_add_pmu("1f203034.usb2-phy", "phy", 1, 0, PMU_USB1_P);
clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1);
clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1 | PMU_AHBM);
clkdev_add_pmu("1e180000.etop", "switch", 1, 0, PMU_SWITCH);
clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
@ -560,7 +560,7 @@ void __init ltq_soc_init(void)
} else {
clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(),
ltq_danube_fpi_hz(), ltq_danube_pp32_hz());
clkdev_add_pmu("1f203018.usb2-phy", "ctrl", 1, 0, PMU_USB0);
clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM);
clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P);
clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);

42
arch/mips/ralink/mt7621.c
View file

@ -170,6 +170,28 @@ void prom_soc_init(struct ralink_soc_info *soc_info)
u32 n1;
u32 rev;
/* Early detection of CMP support */
mips_cm_probe();
mips_cpc_probe();
if (mips_cps_numiocu(0)) {
/*
* mips_cm_probe() wipes out bootloader
* config for CM regions and we have to configure them
* again. This SoC cannot talk to pamlbus devices
* witout proper iocu region set up.
*
* FIXME: it would be better to do this with values
* from DT, but we need this very early because
* without this we cannot talk to pretty much anything
* including serial.
*/
write_gcr_reg0_base(MT7621_PALMBUS_BASE);
write_gcr_reg0_mask(~MT7621_PALMBUS_SIZE |
CM_GCR_REGn_MASK_CMTGT_IOCU0);
__sync();
}
n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0);
n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1);
@ -194,26 +216,6 @@ void prom_soc_init(struct ralink_soc_info *soc_info)
rt2880_pinmux_data = mt7621_pinmux_data;
/* Early detection of CMP support */
mips_cm_probe();
mips_cpc_probe();
if (mips_cps_numiocu(0)) {
/*
* mips_cm_probe() wipes out bootloader
* config for CM regions and we have to configure them
* again. This SoC cannot talk to pamlbus devices
* witout proper iocu region set up.
*
* FIXME: it would be better to do this with values
* from DT, but we need this very early because
* without this we cannot talk to pretty much anything
* including serial.
*/
write_gcr_reg0_base(MT7621_PALMBUS_BASE);
write_gcr_reg0_mask(~MT7621_PALMBUS_SIZE |
CM_GCR_REGn_MASK_CMTGT_IOCU0);
}
if (!register_cps_smp_ops())
return;

7
arch/mips/ralink/reset.c
View file

@ -96,16 +96,9 @@ static void ralink_restart(char *command)
unreachable();
}
static void ralink_halt(void)
{
local_irq_disable();
unreachable();
}
static int __init mips_reboot_setup(void)
{
_machine_restart = ralink_restart;
_machine_halt = ralink_halt;
return 0;
}

41
arch/parisc/kernel/cache.c
View file

@ -543,7 +543,8 @@ void flush_cache_mm(struct mm_struct *mm)
rp3440, etc. So, avoid it if the mm isn't too big. */
if ((!IS_ENABLED(CONFIG_SMP) || !arch_irqs_disabled()) &&
mm_total_size(mm) >= parisc_cache_flush_threshold) {
flush_tlb_all();
if (mm->context)
flush_tlb_all();
flush_cache_all();
return;
}
@ -571,6 +572,8 @@ void flush_cache_mm(struct mm_struct *mm)
pfn = pte_pfn(*ptep);
if (!pfn_valid(pfn))
continue;
if (unlikely(mm->context))
flush_tlb_page(vma, addr);
__flush_cache_page(vma, addr, PFN_PHYS(pfn));
}
}
@ -579,26 +582,46 @@ void flush_cache_mm(struct mm_struct *mm)
void flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
pgd_t *pgd;
unsigned long addr;
if ((!IS_ENABLED(CONFIG_SMP) || !arch_irqs_disabled()) &&
end - start >= parisc_cache_flush_threshold) {
flush_tlb_range(vma, start, end);
if (vma->vm_mm->context)
flush_tlb_range(vma, start, end);
flush_cache_all();
return;
}
flush_user_dcache_range_asm(start, end);
if (vma->vm_flags & VM_EXEC)
flush_user_icache_range_asm(start, end);
flush_tlb_range(vma, start, end);
if (vma->vm_mm->context == mfsp(3)) {
flush_user_dcache_range_asm(start, end);
if (vma->vm_flags & VM_EXEC)
flush_user_icache_range_asm(start, end);
flush_tlb_range(vma, start, end);
return;
}
pgd = vma->vm_mm->pgd;
for (addr = vma->vm_start; addr < vma->vm_end; addr += PAGE_SIZE) {
unsigned long pfn;
pte_t *ptep = get_ptep(pgd, addr);
if (!ptep)
continue;
pfn = pte_pfn(*ptep);
if (pfn_valid(pfn)) {
if (unlikely(vma->vm_mm->context))
flush_tlb_page(vma, addr);
__flush_cache_page(vma, addr, PFN_PHYS(pfn));
}
}
}
void
flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn)
{
BUG_ON(!vma->vm_mm->context);
if (pfn_valid(pfn)) {
flush_tlb_page(vma, vmaddr);
if (likely(vma->vm_mm->context))
flush_tlb_page(vma, vmaddr);
__flush_cache_page(vma, vmaddr, PFN_PHYS(pfn));
}
}

10
arch/powerpc/kvm/book3s_hv_rmhandlers.S
View file

@ -320,7 +320,6 @@ kvm_novcpu_exit:
stw r12, STACK_SLOT_TRAP(r1)
bl kvmhv_commence_exit
nop
lwz r12, STACK_SLOT_TRAP(r1)
b kvmhv_switch_to_host
/*
@ -1220,6 +1219,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
secondary_too_late:
li r12, 0
stw r12, STACK_SLOT_TRAP(r1)
cmpdi r4, 0
beq 11f
stw r12, VCPU_TRAP(r4)
@ -1558,12 +1558,12 @@ mc_cont:
3: stw r5,VCPU_SLB_MAX(r9)
guest_bypass:
stw r12, STACK_SLOT_TRAP(r1)
mr r3, r12
/* Increment exit count, poke other threads to exit */
bl kvmhv_commence_exit
nop
ld r9, HSTATE_KVM_VCPU(r13)
lwz r12, VCPU_TRAP(r9)
/* Stop others sending VCPU interrupts to this physical CPU */
li r0, -1
@ -1898,6 +1898,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_POWER9_DD1)
* POWER7/POWER8 guest -> host partition switch code.
* We don't have to lock against tlbies but we do
* have to coordinate the hardware threads.
* Here STACK_SLOT_TRAP(r1) contains the trap number.
*/
kvmhv_switch_to_host:
/* Secondary threads wait for primary to do partition switch */
@ -1950,12 +1951,12 @@ BEGIN_FTR_SECTION
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
/* If HMI, call kvmppc_realmode_hmi_handler() */
lwz r12, STACK_SLOT_TRAP(r1)
cmpwi r12, BOOK3S_INTERRUPT_HMI
bne 27f
bl kvmppc_realmode_hmi_handler
nop
cmpdi r3, 0
li r12, BOOK3S_INTERRUPT_HMI
/*
* At this point kvmppc_realmode_hmi_handler may have resync-ed
* the TB, and if it has, we must not subtract the guest timebase
@ -2008,10 +2009,8 @@ BEGIN_FTR_SECTION
lwz r8, KVM_SPLIT_DO_RESTORE(r3)
cmpwi r8, 0
beq 47f
stw r12, STACK_SLOT_TRAP(r1)
bl kvmhv_p9_restore_lpcr
nop
lwz r12, STACK_SLOT_TRAP(r1)
b 48f
47:
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
@ -2049,6 +2048,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_RADIX)
li r0, KVM_GUEST_MODE_NONE
stb r0, HSTATE_IN_GUEST(r13)
lwz r12, STACK_SLOT_TRAP(r1) /* return trap # in r12 */
ld r0, SFS+PPC_LR_STKOFF(r1)
addi r1, r1, SFS
mtlr r0

19
arch/sparc/mm/tlb.c
View file

@ -163,13 +163,10 @@ static void tlb_batch_pmd_scan(struct mm_struct *mm, unsigned long vaddr,
pte_unmap(pte);
}
void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
static void __set_pmd_acct(struct mm_struct *mm, unsigned long addr,
pmd_t orig, pmd_t pmd)
{
pmd_t orig = *pmdp;
*pmdp = pmd;
if (mm == &init_mm)
return;
@ -219,6 +216,15 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr,
}
}
void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
{
pmd_t orig = *pmdp;
*pmdp = pmd;
__set_pmd_acct(mm, addr, orig, pmd);
}
static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
unsigned long address, pmd_t *pmdp, pmd_t pmd)
{
@ -227,6 +233,7 @@ static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
do {
old = *pmdp;
} while (cmpxchg64(&pmdp->pmd, old.pmd, pmd.pmd) != old.pmd);
__set_pmd_acct(vma->vm_mm, address, old, pmd);
return old;
}

13
arch/x86/Kconfig.cpu
View file

@ -315,19 +315,6 @@ config X86_L1_CACHE_SHIFT
default "4" if MELAN || M486 || MGEODEGX1
default "5" if MWINCHIP3D || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX
config X86_PPRO_FENCE
bool "PentiumPro memory ordering errata workaround"
depends on M686 || M586MMX || M586TSC || M586 || M486 || MGEODEGX1
---help---
Old PentiumPro multiprocessor systems had errata that could cause
memory operations to violate the x86 ordering standard in rare cases.
Enabling this option will attempt to work around some (but not all)
occurrences of this problem, at the cost of much heavier spinlock and
memory barrier operations.
If unsure, say n here. Even distro kernels should think twice before
enabling this: there are few systems, and an unlikely bug.
config X86_F00F_BUG
def_bool y
depends on M586MMX || M586TSC || M586 || M486

9
arch/x86/Makefile
View file

@ -223,6 +223,15 @@ KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr) $(avx_instr)
LDFLAGS := -m elf_$(UTS_MACHINE)
#
# The 64-bit kernel must be aligned to 2MB. Pass -z max-page-size=0x200000 to
# the linker to force 2MB page size regardless of the default page size used
# by the linker.
#
ifdef CONFIG_X86_64
LDFLAGS += $(call ld-option, -z max-page-size=0x200000)
endif
# Speed up the build
KBUILD_CFLAGS += -pipe
# Workaround for a gcc prelease that unfortunately was shipped in a suse release

4
arch/x86/boot/compressed/misc.c
View file

@ -309,6 +309,10 @@ static void parse_elf(void *output)
switch (phdr->p_type) {
case PT_LOAD:
#ifdef CONFIG_X86_64
if ((phdr->p_align % 0x200000) != 0)
error("Alignment of LOAD segment isn't multiple of 2MB");
#endif
#ifdef CONFIG_RELOCATABLE
dest = output;
dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR);

2
arch/x86/entry/entry_64.S
View file

@ -1138,7 +1138,7 @@ apicinterrupt3 HYPERV_REENLIGHTENMENT_VECTOR \
#endif /* CONFIG_HYPERV */
idtentry debug do_debug has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
idtentry int3 do_int3 has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
idtentry int3 do_int3 has_error_code=0
idtentry stack_segment do_stack_segment has_error_code=1
#ifdef CONFIG_XEN

2
arch/x86/entry/vdso/vdso32/vclock_gettime.c
View file

@ -5,8 +5,6 @@
#undef CONFIG_OPTIMIZE_INLINING
#endif
#undef CONFIG_X86_PPRO_FENCE
#ifdef CONFIG_X86_64
/*

2
arch/x86/entry/vsyscall/vsyscall_64.c
View file

@ -347,7 +347,7 @@ void __init set_vsyscall_pgtable_user_bits(pgd_t *root)
set_pgd(pgd, __pgd(pgd_val(*pgd) | _PAGE_USER));
p4d = p4d_offset(pgd, VSYSCALL_ADDR);
#if CONFIG_PGTABLE_LEVELS >= 5
p4d->p4d |= _PAGE_USER;
set_p4d(p4d, __p4d(p4d_val(*p4d) | _PAGE_USER));
#endif
pud = pud_offset(p4d, VSYSCALL_ADDR);
set_pud(pud, __pud(pud_val(*pud) | _PAGE_USER));

3
arch/x86/events/core.c
View file

@ -2118,7 +2118,8 @@ static int x86_pmu_event_init(struct perf_event *event)
event->destroy(event);
}
if (READ_ONCE(x86_pmu.attr_rdpmc))
if (READ_ONCE(x86_pmu.attr_rdpmc) &&
!(event->hw.flags & PERF_X86_EVENT_LARGE_PEBS))
event->hw.flags |= PERF_X86_EVENT_RDPMC_ALLOWED;
return err;

14
arch/x86/events/intel/core.c
View file

@ -2952,9 +2952,9 @@ static void intel_pebs_aliases_skl(struct perf_event *event)
return intel_pebs_aliases_precdist(event);
}
static unsigned long intel_pmu_free_running_flags(struct perf_event *event)
static unsigned long intel_pmu_large_pebs_flags(struct perf_event *event)
{
unsigned long flags = x86_pmu.free_running_flags;
unsigned long flags = x86_pmu.large_pebs_flags;
if (event->attr.use_clockid)
flags &= ~PERF_SAMPLE_TIME;
@ -2976,8 +2976,8 @@ static int intel_pmu_hw_config(struct perf_event *event)
if (!event->attr.freq) {
event->hw.flags |= PERF_X86_EVENT_AUTO_RELOAD;
if (!(event->attr.sample_type &
~intel_pmu_free_running_flags(event)))
event->hw.flags |= PERF_X86_EVENT_FREERUNNING;
~intel_pmu_large_pebs_flags(event)))
event->hw.flags |= PERF_X86_EVENT_LARGE_PEBS;
}
if (x86_pmu.pebs_aliases)
x86_pmu.pebs_aliases(event);
@ -3194,7 +3194,7 @@ static unsigned bdw_limit_period(struct perf_event *event, unsigned left)
X86_CONFIG(.event=0xc0, .umask=0x01)) {
if (left < 128)
left = 128;
left &= ~0x3fu;
left &= ~0x3fULL;
}
return left;
}
@ -3460,7 +3460,7 @@ static __initconst const struct x86_pmu core_pmu = {
.event_map = intel_pmu_event_map,
.max_events = ARRAY_SIZE(intel_perfmon_event_map),
.apic = 1,
.free_running_flags = PEBS_FREERUNNING_FLAGS,
.large_pebs_flags = LARGE_PEBS_FLAGS,
/*
* Intel PMCs cannot be accessed sanely above 32-bit width,
@ -3502,7 +3502,7 @@ static __initconst const struct x86_pmu intel_pmu = {
.event_map = intel_pmu_event_map,
.max_events = ARRAY_SIZE(intel_perfmon_event_map),
.apic = 1,
.free_running_flags = PEBS_FREERUNNING_FLAGS,
.large_pebs_flags = LARGE_PEBS_FLAGS,
/*
* Intel PMCs cannot be accessed sanely above 32 bit width,
* so we install an artificial 1<<31 period regardless of

6
arch/x86/events/intel/ds.c
View file

@ -935,7 +935,7 @@ void intel_pmu_pebs_add(struct perf_event *event)
bool needed_cb = pebs_needs_sched_cb(cpuc);
cpuc->n_pebs++;
if (hwc->flags & PERF_X86_EVENT_FREERUNNING)
if (hwc->flags & PERF_X86_EVENT_LARGE_PEBS)
cpuc->n_large_pebs++;
pebs_update_state(needed_cb, cpuc, event->ctx->pmu);
@ -975,7 +975,7 @@ void intel_pmu_pebs_del(struct perf_event *event)
bool needed_cb = pebs_needs_sched_cb(cpuc);
cpuc->n_pebs--;
if (hwc->flags & PERF_X86_EVENT_FREERUNNING)
if (hwc->flags & PERF_X86_EVENT_LARGE_PEBS)
cpuc->n_large_pebs--;
pebs_update_state(needed_cb, cpuc, event->ctx->pmu);
@ -1530,7 +1530,7 @@ void __init intel_ds_init(void)
x86_pmu.pebs_record_size =
sizeof(struct pebs_record_skl);
x86_pmu.drain_pebs = intel_pmu_drain_pebs_nhm;
x86_pmu.free_running_flags |= PERF_SAMPLE_TIME;
x86_pmu.large_pebs_flags |= PERF_SAMPLE_TIME;
break;
default:

32
arch/x86/events/intel/uncore_snbep.c
View file

@ -3343,6 +3343,7 @@ static struct extra_reg skx_uncore_cha_extra_regs[] = {
SNBEP_CBO_EVENT_EXTRA_REG(0x9134, 0xffff, 0x4),
SNBEP_CBO_EVENT_EXTRA_REG(0x35, 0xff, 0x8),
SNBEP_CBO_EVENT_EXTRA_REG(0x36, 0xff, 0x8),
SNBEP_CBO_EVENT_EXTRA_REG(0x38, 0xff, 0x3),
EVENT_EXTRA_END
};
@ -3562,24 +3563,27 @@ static struct intel_uncore_type *skx_msr_uncores[] = {
NULL,
};
/*
* To determine the number of CHAs, it should read bits 27:0 in the CAPID6
* register which located at Device 30, Function 3, Offset 0x9C. PCI ID 0x2083.
*/
#define SKX_CAPID6 0x9c
#define SKX_CHA_BIT_MASK GENMASK(27, 0)
static int skx_count_chabox(void)
{
struct pci_dev *chabox_dev = NULL;
int bus, count = 0;
struct pci_dev *dev = NULL;
u32 val = 0;
while (1) {
chabox_dev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x208d, chabox_dev);
if (!chabox_dev)
break;
if (count == 0)
bus = chabox_dev->bus->number;
if (bus != chabox_dev->bus->number)
break;
count++;
}
dev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x2083, dev);
if (!dev)
goto out;
pci_dev_put(chabox_dev);
return count;
pci_read_config_dword(dev, SKX_CAPID6, &val);
val &= SKX_CHA_BIT_MASK;
out:
pci_dev_put(dev);
return hweight32(val);
}
void skx_uncore_cpu_init(void)

6
arch/x86/events/perf_event.h
View file

@ -69,7 +69,7 @@ struct event_constraint {
#define PERF_X86_EVENT_RDPMC_ALLOWED 0x0100 /* grant rdpmc permission */
#define PERF_X86_EVENT_EXCL_ACCT 0x0200 /* accounted EXCL event */
#define PERF_X86_EVENT_AUTO_RELOAD 0x0400 /* use PEBS auto-reload */
#define PERF_X86_EVENT_FREERUNNING 0x0800 /* use freerunning PEBS */
#define PERF_X86_EVENT_LARGE_PEBS 0x0800 /* use large PEBS */
struct amd_nb {
@ -88,7 +88,7 @@ struct amd_nb {
* REGS_USER can be handled for events limited to ring 3.
*
*/
#define PEBS_FREERUNNING_FLAGS \
#define LARGE_PEBS_FLAGS \
(PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_ADDR | \
PERF_SAMPLE_ID | PERF_SAMPLE_CPU | PERF_SAMPLE_STREAM_ID | \
PERF_SAMPLE_DATA_SRC | PERF_SAMPLE_IDENTIFIER | \
@ -608,7 +608,7 @@ struct x86_pmu {
struct event_constraint *pebs_constraints;
void (*pebs_aliases)(struct perf_event *event);
int max_pebs_events;
unsigned long free_running_flags;
unsigned long large_pebs_flags;
/*
* Intel LBR

30
arch/x86/include/asm/barrier.h
View file

@ -52,11 +52,7 @@ static inline unsigned long array_index_mask_nospec(unsigned long index,
#define barrier_nospec() alternative_2("", "mfence", X86_FEATURE_MFENCE_RDTSC, \
"lfence", X86_FEATURE_LFENCE_RDTSC)
#ifdef CONFIG_X86_PPRO_FENCE
#define dma_rmb() rmb()
#else
#define dma_rmb() barrier()
#endif
#define dma_wmb() barrier()
#ifdef CONFIG_X86_32
@ -68,30 +64,6 @@ static inline unsigned long array_index_mask_nospec(unsigned long index,
#define __smp_wmb() barrier()
#define __smp_store_mb(var, value) do { (void)xchg(&var, value); } while (0)
#if defined(CONFIG_X86_PPRO_FENCE)
/*
* For this option x86 doesn't have a strong TSO memory
* model and we should fall back to full barriers.
*/
#define __smp_store_release(p, v) \
do { \
compiletime_assert_atomic_type(*p); \
__smp_mb(); \
WRITE_ONCE(*p, v); \
} while (0)
#define __smp_load_acquire(p) \
({ \
typeof(*p) ___p1 = READ_ONCE(*p); \
compiletime_assert_atomic_type(*p); \
__smp_mb(); \
___p1; \
})
#else /* regular x86 TSO memory ordering */
#define __smp_store_release(p, v) \
do { \
compiletime_assert_atomic_type(*p); \
@ -107,8 +79,6 @@ do { \
___p1; \
})
#endif
/* Atomic operations are already serializing on x86 */
#define __smp_mb__before_atomic() barrier()
#define __smp_mb__after_atomic() barrier()

2
arch/x86/include/asm/cpufeatures.h
View file

@ -316,6 +316,7 @@
#define X86_FEATURE_VPCLMULQDQ (16*32+10) /* Carry-Less Multiplication Double Quadword */
#define X86_FEATURE_AVX512_VNNI (16*32+11) /* Vector Neural Network Instructions */
#define X86_FEATURE_AVX512_BITALG (16*32+12) /* Support for VPOPCNT[B,W] and VPSHUF-BITQMB instructions */
#define X86_FEATURE_TME (16*32+13) /* Intel Total Memory Encryption */
#define X86_FEATURE_AVX512_VPOPCNTDQ (16*32+14) /* POPCNT for vectors of DW/QW */
#define X86_FEATURE_LA57 (16*32+16) /* 5-level page tables */
#define X86_FEATURE_RDPID (16*32+22) /* RDPID instruction */
@ -328,6 +329,7 @@
/* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */
#define X86_FEATURE_AVX512_4VNNIW (18*32+ 2) /* AVX-512 Neural Network Instructions */
#define X86_FEATURE_AVX512_4FMAPS (18*32+ 3) /* AVX-512 Multiply Accumulation Single precision */
#define X86_FEATURE_PCONFIG (18*32+18) /* Intel PCONFIG */
#define X86_FEATURE_SPEC_CTRL (18*32+26) /* "" Speculation Control (IBRS + IBPB) */
#define X86_FEATURE_INTEL_STIBP (18*32+27) /* "" Single Thread Indirect Branch Predictors */
#define X86_FEATURE_ARCH_CAPABILITIES (18*32+29) /* IA32_ARCH_CAPABILITIES MSR (Intel) */

15
arch/x86/include/asm/io.h
View file

@ -232,21 +232,6 @@ extern void set_iounmap_nonlazy(void);
*/
#define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET))
/*
* Cache management
*
* This needed for two cases
* 1. Out of order aware processors
* 2. Accidentally out of order processors (PPro errata #51)
*/
static inline void flush_write_buffers(void)
{
#if defined(CONFIG_X86_PPRO_FENCE)
asm volatile("lock; addl $0,0(%%esp)": : :"memory");
#endif
}
#endif /* __KERNEL__ */
extern void native_io_delay(void);

1
arch/x86/include/asm/microcode.h
View file

@ -39,6 +39,7 @@ struct device;
enum ucode_state {
UCODE_OK = 0,
UCODE_NEW,
UCODE_UPDATED,
UCODE_NFOUND,
UCODE_ERROR,

5
arch/x86/include/asm/nospec-branch.h
View file

@ -183,7 +183,10 @@
* otherwise we'll run out of registers. We don't care about CET
* here, anyway.
*/
# define CALL_NOSPEC ALTERNATIVE("call *%[thunk_target]\n", \
# define CALL_NOSPEC \
ALTERNATIVE( \
ANNOTATE_RETPOLINE_SAFE \
"call *%[thunk_target]\n", \
" jmp 904f;\n" \
" .align 16\n" \
"901: call 903f;\n" \

1
arch/x86/include/asm/platform_sst_audio.h
View file

@ -135,6 +135,7 @@ struct sst_platform_info {
const struct sst_res_info *res_info;
const struct sst_lib_dnld_info *lib_info;
const char *platform;
bool streams_lost_on_suspend;
};
int add_sst_platform_device(void);
#endif

1
arch/x86/include/asm/vmx.h
View file

@ -352,6 +352,7 @@ enum vmcs_field {
#define INTR_TYPE_NMI_INTR (2 << 8) /* NMI */
#define INTR_TYPE_HARD_EXCEPTION (3 << 8) /* processor exception */
#define INTR_TYPE_SOFT_INTR (4 << 8) /* software interrupt */
#define INTR_TYPE_PRIV_SW_EXCEPTION (5 << 8) /* ICE breakpoint - undocumented */
#define INTR_TYPE_SOFT_EXCEPTION (6 << 8) /* software exception */
/* GUEST_INTERRUPTIBILITY_INFO flags. */

3
arch/x86/kernel/cpu/intel.c
View file

@ -105,7 +105,7 @@ static void probe_xeon_phi_r3mwait(struct cpuinfo_x86 *c)
/*
* Early microcode releases for the Spectre v2 mitigation were broken.
* Information taken from;
* - https://newsroom.intel.com/wp-content/uploads/sites/11/2018/01/microcode-update-guidance.pdf
* - https://newsroom.intel.com/wp-content/uploads/sites/11/2018/03/microcode-update-guidance.pdf
* - https://kb.vmware.com/s/article/52345
* - Microcode revisions observed in the wild
* - Release note from 20180108 microcode release
@ -123,7 +123,6 @@ static const struct sku_microcode spectre_bad_microcodes[] = {
{ INTEL_FAM6_KABYLAKE_MOBILE, 0x09, 0x80 },
{ INTEL_FAM6_SKYLAKE_X, 0x03, 0x0100013e },
{ INTEL_FAM6_SKYLAKE_X, 0x04, 0x0200003c },
{ INTEL_FAM6_SKYLAKE_DESKTOP, 0x03, 0xc2 },
{ INTEL_FAM6_BROADWELL_CORE, 0x04, 0x28 },
{ INTEL_FAM6_BROADWELL_GT3E, 0x01, 0x1b },
{ INTEL_FAM6_BROADWELL_XEON_D, 0x02, 0x14 },

36
arch/x86/kernel/cpu/microcode/amd.c
View file

@ -339,7 +339,7 @@ int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax)
return -EINVAL;
ret = load_microcode_amd(true, x86_family(cpuid_1_eax), desc.data, desc.size);
if (ret != UCODE_OK)
if (ret > UCODE_UPDATED)
return -EINVAL;
return 0;
@ -683,27 +683,35 @@ static enum ucode_state __load_microcode_amd(u8 family, const u8 *data,
static enum ucode_state
load_microcode_amd(bool save, u8 family, const u8 *data, size_t size)
{
struct ucode_patch *p;
enum ucode_state ret;
/* free old equiv table */
free_equiv_cpu_table();
ret = __load_microcode_amd(family, data, size);
if (ret != UCODE_OK)
if (ret != UCODE_OK) {
cleanup();
#ifdef CONFIG_X86_32
/* save BSP's matching patch for early load */
if (save) {
struct ucode_patch *p = find_patch(0);
if (p) {
memset(amd_ucode_patch, 0, PATCH_MAX_SIZE);
memcpy(amd_ucode_patch, p->data, min_t(u32, ksize(p->data),
PATCH_MAX_SIZE));
}
return ret;
}
#endif
p = find_patch(0);
if (!p) {
return ret;
} else {
if (boot_cpu_data.microcode == p->patch_id)
return ret;
ret = UCODE_NEW;
}
/* save BSP's matching patch for early load */
if (!save)
return ret;
memset(amd_ucode_patch, 0, PATCH_MAX_SIZE);
memcpy(amd_ucode_patch, p->data, min_t(u32, ksize(p->data), PATCH_MAX_SIZE));
return ret;
}

76
arch/x86/kernel/cpu/microcode/core.c
View file

@ -517,7 +517,29 @@ static int check_online_cpus(void)
return -EINVAL;
}
static atomic_t late_cpus;
static atomic_t late_cpus_in;
static atomic_t late_cpus_out;
static int __wait_for_cpus(atomic_t *t, long long timeout)
{
int all_cpus = num_online_cpus();
atomic_inc(t);
while (atomic_read(t) < all_cpus) {
if (timeout < SPINUNIT) {
pr_err("Timeout while waiting for CPUs rendezvous, remaining: %d\n",
all_cpus - atomic_read(t));
return 1;
}
ndelay(SPINUNIT);
timeout -= SPINUNIT;
touch_nmi_watchdog();
}
return 0;
}
/*
* Returns:
@ -527,30 +549,16 @@ static atomic_t late_cpus;
*/
static int __reload_late(void *info)
{
unsigned int timeout = NSEC_PER_SEC;
int all_cpus = num_online_cpus();
int cpu = smp_processor_id();
enum ucode_state err;
int ret = 0;
atomic_dec(&late_cpus);
/*
* Wait for all CPUs to arrive. A load will not be attempted unless all
* CPUs show up.
* */
while (atomic_read(&late_cpus)) {
if (timeout < SPINUNIT) {
pr_err("Timeout while waiting for CPUs rendezvous, remaining: %d\n",
atomic_read(&late_cpus));
return -1;
}
ndelay(SPINUNIT);
timeout -= SPINUNIT;
touch_nmi_watchdog();
}
if (__wait_for_cpus(&late_cpus_in, NSEC_PER_SEC))
return -1;
spin_lock(&update_lock);
apply_microcode_local(&err);
@ -558,15 +566,22 @@ static int __reload_late(void *info)
if (err > UCODE_NFOUND) {
pr_warn("Error reloading microcode on CPU %d\n", cpu);
ret = -1;
} else if (err == UCODE_UPDATED) {
return -1;
/* siblings return UCODE_OK because their engine got updated already */
} else if (err == UCODE_UPDATED || err == UCODE_OK) {
ret = 1;
} else {
return ret;
}
atomic_inc(&late_cpus);
while (atomic_read(&late_cpus) != all_cpus)
cpu_relax();
/*
* Increase the wait timeout to a safe value here since we're
* serializing the microcode update and that could take a while on a
* large number of CPUs. And that is fine as the *actual* timeout will
* be determined by the last CPU finished updating and thus cut short.
*/
if (__wait_for_cpus(&late_cpus_out, NSEC_PER_SEC * num_online_cpus()))
panic("Timeout during microcode update!\n");
return ret;
}
@ -579,12 +594,11 @@ static int microcode_reload_late(void)
{
int ret;
atomic_set(&late_cpus, num_online_cpus());
atomic_set(&late_cpus_in, 0);
atomic_set(&late_cpus_out, 0);
ret = stop_machine_cpuslocked(__reload_late, NULL, cpu_online_mask);
if (ret < 0)
return ret;
else if (ret > 0)
if (ret > 0)
microcode_check();
return ret;
@ -607,7 +621,7 @@ static ssize_t reload_store(struct device *dev,
return size;
tmp_ret = microcode_ops->request_microcode_fw(bsp, &microcode_pdev->dev, true);
if (tmp_ret != UCODE_OK)
if (tmp_ret != UCODE_NEW)
return size;
get_online_cpus();
@ -691,10 +705,8 @@ static enum ucode_state microcode_init_cpu(int cpu, bool refresh_fw)
if (system_state != SYSTEM_RUNNING)
return UCODE_NFOUND;
ustate = microcode_ops->request_microcode_fw(cpu, &microcode_pdev->dev,
refresh_fw);
if (ustate == UCODE_OK) {
ustate = microcode_ops->request_microcode_fw(cpu, &microcode_pdev->dev, refresh_fw);
if (ustate == UCODE_NEW) {
pr_debug("CPU%d updated upon init\n", cpu);
apply_microcode_on_target(cpu);
}

4
arch/x86/kernel/cpu/microcode/intel.c
View file

@ -862,6 +862,7 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
unsigned int leftover = size;
unsigned int curr_mc_size = 0, new_mc_size = 0;
unsigned int csig, cpf;
enum ucode_state ret = UCODE_OK;
while (leftover) {
struct microcode_header_intel mc_header;
@ -903,6 +904,7 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
new_mc = mc;
new_mc_size = mc_size;
mc = NULL; /* trigger new vmalloc */
ret = UCODE_NEW;
}
ucode_ptr += mc_size;
@ -932,7 +934,7 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
pr_debug("CPU%d found a matching microcode update with version 0x%x (current=0x%x)\n",
cpu, new_rev, uci->cpu_sig.rev);
return UCODE_OK;
return ret;
}
static int get_ucode_fw(void *to, const void *from, size_t n)

2
arch/x86/kernel/idt.c
View file

@ -160,7 +160,6 @@ static const __initconst struct idt_data early_pf_idts[] = {
*/
static const __initconst struct idt_data dbg_idts[] = {
INTG(X86_TRAP_DB, debug),
INTG(X86_TRAP_BP, int3),
};
#endif
@ -183,7 +182,6 @@ gate_desc debug_idt_table[IDT_ENTRIES] __page_aligned_bss;
static const __initconst struct idt_data ist_idts[] = {
ISTG(X86_TRAP_DB, debug, DEBUG_STACK),
ISTG(X86_TRAP_NMI, nmi, NMI_STACK),
SISTG(X86_TRAP_BP, int3, DEBUG_STACK),
ISTG(X86_TRAP_DF, double_fault, DOUBLEFAULT_STACK),
#ifdef CONFIG_X86_MCE
ISTG(X86_TRAP_MC, &machine_check, MCE_STACK),

19
arch/x86/kernel/pci-nommu.c
View file

@ -37,7 +37,6 @@ static dma_addr_t nommu_map_page(struct device *dev, struct page *page,
WARN_ON(size == 0);
if (!check_addr("map_single", dev, bus, size))
return NOMMU_MAPPING_ERROR;
flush_write_buffers();
return bus;
}
@ -72,25 +71,9 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
return 0;
s->dma_length = s->length;
}
flush_write_buffers();
return nents;
}
static void nommu_sync_single_for_device(struct device *dev,
dma_addr_t addr, size_t size,
enum dma_data_direction dir)
{
flush_write_buffers();
}
static void nommu_sync_sg_for_device(struct device *dev,
struct scatterlist *sg, int nelems,
enum dma_data_direction dir)
{
flush_write_buffers();
}
static int nommu_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
return dma_addr == NOMMU_MAPPING_ERROR;
@ -101,8 +84,6 @@ const struct dma_map_ops nommu_dma_ops = {
.free = dma_generic_free_coherent,
.map_sg = nommu_map_sg,
.map_page = nommu_map_page,
.sync_single_for_device = nommu_sync_single_for_device,
.sync_sg_for_device = nommu_sync_sg_for_device,
.is_phys = 1,
.mapping_error = nommu_mapping_error,
.dma_supported = x86_dma_supported,

15
arch/x86/kernel/traps.c
View file

@ -577,7 +577,6 @@ do_general_protection(struct pt_regs *regs, long error_code)
}
NOKPROBE_SYMBOL(do_general_protection);
/* May run on IST stack. */
dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
{
#ifdef CONFIG_DYNAMIC_FTRACE
@ -592,6 +591,13 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
if (poke_int3_handler(regs))
return;
/*
* Use ist_enter despite the fact that we don't use an IST stack.
* We can be called from a kprobe in non-CONTEXT_KERNEL kernel
* mode or even during context tracking state changes.
*
* This means that we can't schedule. That's okay.
*/
ist_enter(regs);
RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU");
#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
@ -609,15 +615,10 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
SIGTRAP) == NOTIFY_STOP)
goto exit;
/*
* Let others (NMI) know that the debug stack is in use
* as we may switch to the interrupt stack.
*/
debug_stack_usage_inc();
cond_local_irq_enable(regs);
do_trap(X86_TRAP_BP, SIGTRAP, "int3", regs, error_code, NULL);
cond_local_irq_disable(regs);
debug_stack_usage_dec();
exit:
ist_exit(regs);
}

3
arch/x86/kernel/vm86_32.c
View file

@ -727,7 +727,8 @@ void handle_vm86_fault(struct kernel_vm86_regs *regs, long error_code)
return;
check_vip:
if (VEFLAGS & X86_EFLAGS_VIP) {
if ((VEFLAGS & (X86_EFLAGS_VIP | X86_EFLAGS_VIF)) ==
(X86_EFLAGS_VIP | X86_EFLAGS_VIF)) {
save_v86_state(regs, VM86_STI);
return;
}

4
arch/x86/kvm/mmu.c
View file

@ -2770,8 +2770,10 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
else
pte_access &= ~ACC_WRITE_MASK;
if (!kvm_is_mmio_pfn(pfn))
spte |= shadow_me_mask;
spte |= (u64)pfn << PAGE_SHIFT;
spte |= shadow_me_mask;
if (pte_access & ACC_WRITE_MASK) {

9
arch/x86/kvm/vmx.c
View file

@ -1045,6 +1045,13 @@ static inline bool is_machine_check(u32 intr_info)
(INTR_TYPE_HARD_EXCEPTION | MC_VECTOR | INTR_INFO_VALID_MASK);
}
/* Undocumented: icebp/int1 */
static inline bool is_icebp(u32 intr_info)
{
return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK))
== (INTR_TYPE_PRIV_SW_EXCEPTION | INTR_INFO_VALID_MASK);
}
static inline bool cpu_has_vmx_msr_bitmap(void)
{
return vmcs_config.cpu_based_exec_ctrl & CPU_BASED_USE_MSR_BITMAPS;
@ -6179,7 +6186,7 @@ static int handle_exception(struct kvm_vcpu *vcpu)
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))) {
vcpu->arch.dr6 &= ~15;
vcpu->arch.dr6 |= dr6 | DR6_RTM;
if (!(dr6 & ~DR6_RESERVED)) /* icebp */
if (is_icebp(intr_info))
skip_emulated_instruction(vcpu);
kvm_queue_exception(vcpu, DB_VECTOR);

6
arch/x86/mm/fault.c
View file

@ -330,7 +330,7 @@ static noinline int vmalloc_fault(unsigned long address)
if (!pmd_k)
return -1;
if (pmd_huge(*pmd_k))
if (pmd_large(*pmd_k))
return 0;
pte_k = pte_offset_kernel(pmd_k, address);
@ -475,7 +475,7 @@ static noinline int vmalloc_fault(unsigned long address)
if (pud_none(*pud) || pud_pfn(*pud) != pud_pfn(*pud_ref))
BUG();
if (pud_huge(*pud))
if (pud_large(*pud))
return 0;
pmd = pmd_offset(pud, address);
@ -486,7 +486,7 @@ static noinline int vmalloc_fault(unsigned long address)
if (pmd_none(*pmd) || pmd_pfn(*pmd) != pmd_pfn(*pmd_ref))
BUG();
if (pmd_huge(*pmd))
if (pmd_large(*pmd))
return 0;
pte_ref = pte_offset_kernel(pmd_ref, address);

60
arch/x86/mm/init_64.c
View file

@ -800,17 +800,11 @@ int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
#define PAGE_INUSE 0xFD
static void __meminit free_pagetable(struct page *page, int order,
struct vmem_altmap *altmap)
static void __meminit free_pagetable(struct page *page, int order)
{
unsigned long magic;
unsigned int nr_pages = 1 << order;
if (altmap) {
vmem_altmap_free(altmap, nr_pages);
return;
}
/* bootmem page has reserved flag */
if (PageReserved(page)) {
__ClearPageReserved(page);
@ -826,8 +820,16 @@ static void __meminit free_pagetable(struct page *page, int order,
free_pages((unsigned long)page_address(page), order);
}
static void __meminit free_pte_table(pte_t *pte_start, pmd_t *pmd,
static void __meminit free_hugepage_table(struct page *page,
struct vmem_altmap *altmap)
{
if (altmap)
vmem_altmap_free(altmap, PMD_SIZE / PAGE_SIZE);
else
free_pagetable(page, get_order(PMD_SIZE));
}
static void __meminit free_pte_table(pte_t *pte_start, pmd_t *pmd)
{
pte_t *pte;
int i;
@ -839,14 +841,13 @@ static void __meminit free_pte_table(pte_t *pte_start, pmd_t *pmd,
}
/* free a pte talbe */
free_pagetable(pmd_page(*pmd), 0, altmap);
free_pagetable(pmd_page(*pmd), 0);
spin_lock(&init_mm.page_table_lock);
pmd_clear(pmd);
spin_unlock(&init_mm.page_table_lock);
}
static void __meminit free_pmd_table(pmd_t *pmd_start, pud_t *pud,
struct vmem_altmap *altmap)
static void __meminit free_pmd_table(pmd_t *pmd_start, pud_t *pud)
{
pmd_t *pmd;
int i;
@ -858,14 +859,13 @@ static void __meminit free_pmd_table(pmd_t *pmd_start, pud_t *pud,
}
/* free a pmd talbe */
free_pagetable(pud_page(*pud), 0, altmap);
free_pagetable(pud_page(*pud), 0);
spin_lock(&init_mm.page_table_lock);
pud_clear(pud);
spin_unlock(&init_mm.page_table_lock);
}
static void __meminit free_pud_table(pud_t *pud_start, p4d_t *p4d,
struct vmem_altmap *altmap)
static void __meminit free_pud_table(pud_t *pud_start, p4d_t *p4d)
{
pud_t *pud;
int i;
@ -877,7 +877,7 @@ static void __meminit free_pud_table(pud_t *pud_start, p4d_t *p4d,
}
/* free a pud talbe */
free_pagetable(p4d_page(*p4d), 0, altmap);
free_pagetable(p4d_page(*p4d), 0);
spin_lock(&init_mm.page_table_lock);
p4d_clear(p4d);
spin_unlock(&init_mm.page_table_lock);
@ -885,7 +885,7 @@ static void __meminit free_pud_table(pud_t *pud_start, p4d_t *p4d,
static void __meminit
remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
struct vmem_altmap *altmap, bool direct)
bool direct)
{
unsigned long next, pages = 0;
pte_t *pte;
@ -916,7 +916,7 @@ remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
* freed when offlining, or simplely not in use.
*/
if (!direct)
free_pagetable(pte_page(*pte), 0, altmap);
free_pagetable(pte_page(*pte), 0);
spin_lock(&init_mm.page_table_lock);
pte_clear(&init_mm, addr, pte);
@ -939,7 +939,7 @@ remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
page_addr = page_address(pte_page(*pte));
if (!memchr_inv(page_addr, PAGE_INUSE, PAGE_SIZE)) {
free_pagetable(pte_page(*pte), 0, altmap);
free_pagetable(pte_page(*pte), 0);
spin_lock(&init_mm.page_table_lock);
pte_clear(&init_mm, addr, pte);
@ -974,9 +974,8 @@ remove_pmd_table(pmd_t *pmd_start, unsigned long addr, unsigned long end,
if (IS_ALIGNED(addr, PMD_SIZE) &&
IS_ALIGNED(next, PMD_SIZE)) {
if (!direct)
free_pagetable(pmd_page(*pmd),
get_order(PMD_SIZE),
altmap);
free_hugepage_table(pmd_page(*pmd),
altmap);
spin_lock(&init_mm.page_table_lock);
pmd_clear(pmd);
@ -989,9 +988,8 @@ remove_pmd_table(pmd_t *pmd_start, unsigned long addr, unsigned long end,
page_addr = page_address(pmd_page(*pmd));
if (!memchr_inv(page_addr, PAGE_INUSE,
PMD_SIZE)) {
free_pagetable(pmd_page(*pmd),
get_order(PMD_SIZE),
altmap);
free_hugepage_table(pmd_page(*pmd),
altmap);
spin_lock(&init_mm.page_table_lock);
pmd_clear(pmd);
@ -1003,8 +1001,8 @@ remove_pmd_table(pmd_t *pmd_start, unsigned long addr, unsigned long end,
}
pte_base = (pte_t *)pmd_page_vaddr(*pmd);
remove_pte_table(pte_base, addr, next, altmap, direct);
free_pte_table(pte_base, pmd, altmap);
remove_pte_table(pte_base, addr, next, direct);
free_pte_table(pte_base, pmd);
}
/* Call free_pmd_table() in remove_pud_table(). */
@ -1033,8 +1031,7 @@ remove_pud_table(pud_t *pud_start, unsigned long addr, unsigned long end,
IS_ALIGNED(next, PUD_SIZE)) {
if (!direct)
free_pagetable(pud_page(*pud),
get_order(PUD_SIZE),
altmap);
get_order(PUD_SIZE));
spin_lock(&init_mm.page_table_lock);
pud_clear(pud);
@ -1048,8 +1045,7 @@ remove_pud_table(pud_t *pud_start, unsigned long addr, unsigned long end,
if (!memchr_inv(page_addr, PAGE_INUSE,
PUD_SIZE)) {
free_pagetable(pud_page(*pud),
get_order(PUD_SIZE),
altmap);
get_order(PUD_SIZE));
spin_lock(&init_mm.page_table_lock);
pud_clear(pud);
@ -1062,7 +1058,7 @@ remove_pud_table(pud_t *pud_start, unsigned long addr, unsigned long end,
pmd_base = pmd_offset(pud, 0);
remove_pmd_table(pmd_base, addr, next, direct, altmap);
free_pmd_table(pmd_base, pud, altmap);
free_pmd_table(pmd_base, pud);
}
if (direct)
@ -1094,7 +1090,7 @@ remove_p4d_table(p4d_t *p4d_start, unsigned long addr, unsigned long end,
* to adapt for boot-time switching between 4 and 5 level page tables.
*/
if (CONFIG_PGTABLE_LEVELS == 5)
free_pud_table(pud_base, p4d, altmap);
free_pud_table(pud_base, p4d);
}
if (direct)

48
arch/x86/mm/pgtable.c
View file

@ -702,4 +702,52 @@ int pmd_clear_huge(pmd_t *pmd)
return 0;
}
/**
* pud_free_pmd_page - Clear pud entry and free pmd page.
* @pud: Pointer to a PUD.
*
* Context: The pud range has been unmaped and TLB purged.
* Return: 1 if clearing the entry succeeded. 0 otherwise.
*/
int pud_free_pmd_page(pud_t *pud)
{
pmd_t *pmd;
int i;
if (pud_none(*pud))
return 1;
pmd = (pmd_t *)pud_page_vaddr(*pud);
for (i = 0; i < PTRS_PER_PMD; i++)
if (!pmd_free_pte_page(&pmd[i]))
return 0;
pud_clear(pud);
free_page((unsigned long)pmd);
return 1;
}
/**
* pmd_free_pte_page - Clear pmd entry and free pte page.
* @pmd: Pointer to a PMD.
*
* Context: The pmd range has been unmaped and TLB purged.
* Return: 1 if clearing the entry succeeded. 0 otherwise.
*/
int pmd_free_pte_page(pmd_t *pmd)
{
pte_t *pte;
if (pmd_none(*pmd))
return 1;
pte = (pte_t *)pmd_page_vaddr(*pmd);
pmd_clear(pmd);
free_page((unsigned long)pte);
return 1;
}
#endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */

3
arch/x86/net/bpf_jit_comp.c
View file

@ -1188,7 +1188,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
* may converge on the last pass. In such case do one more
* pass to emit the final image
*/
for (pass = 0; pass < 10 || image; pass++) {
for (pass = 0; pass < 20 || image; pass++) {
proglen = do_jit(prog, addrs, image, oldproglen, &ctx);
if (proglen <= 0) {
image = NULL;
@ -1215,6 +1215,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
}
}
oldproglen = proglen;
cond_resched();
}
if (bpf_jit_enable > 1)

2
arch/x86/platform/efi/efi_64.c
View file

@ -227,7 +227,7 @@ int __init efi_alloc_page_tables(void)
if (!pud) {
if (CONFIG_PGTABLE_LEVELS > 4)
free_page((unsigned long) pgd_page_vaddr(*pgd));
free_page((unsigned long)efi_pgd);
free_pages((unsigned long)efi_pgd, PGD_ALLOCATION_ORDER);
return -ENOMEM;
}

4
arch/x86/um/asm/barrier.h
View file

@ -30,11 +30,7 @@
#endif /* CONFIG_X86_32 */
#ifdef CONFIG_X86_PPRO_FENCE
#define dma_rmb() rmb()
#else /* CONFIG_X86_PPRO_FENCE */
#define dma_rmb() barrier()
#endif /* CONFIG_X86_PPRO_FENCE */
#define dma_wmb() barrier()
#include <asm-generic/barrier.h>

4
drivers/acpi/acpi_watchdog.c
View file

@ -74,10 +74,10 @@ void __init acpi_watchdog_init(void)
res.start = gas->address;
if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
res.flags = IORESOURCE_MEM;
res.end = res.start + ALIGN(gas->access_width, 4);
res.end = res.start + ALIGN(gas->access_width, 4) - 1;
} else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
res.flags = IORESOURCE_IO;
res.end = res.start + gas->access_width;
res.end = res.start + gas->access_width - 1;
} else {
pr_warn("Unsupported address space: %u\n",
gas->space_id);

48
drivers/acpi/battery.c
View file

@ -70,7 +70,6 @@ static async_cookie_t async_cookie;
static bool battery_driver_registered;
static int battery_bix_broken_package;
static int battery_notification_delay_ms;
static int battery_full_discharging;
static unsigned int cache_time = 1000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
@ -215,12 +214,9 @@ static int acpi_battery_get_property(struct power_supply *psy,
return -ENODEV;
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
if (battery->state & ACPI_BATTERY_STATE_DISCHARGING) {
if (battery_full_discharging && battery->rate_now == 0)
val->intval = POWER_SUPPLY_STATUS_FULL;
else
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
} else if (battery->state & ACPI_BATTERY_STATE_CHARGING)
if (battery->state & ACPI_BATTERY_STATE_DISCHARGING)
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
else if (battery->state & ACPI_BATTERY_STATE_CHARGING)
val->intval = POWER_SUPPLY_STATUS_CHARGING;
else if (acpi_battery_is_charged(battery))
val->intval = POWER_SUPPLY_STATUS_FULL;
@ -1170,12 +1166,6 @@ battery_notification_delay_quirk(const struct dmi_system_id *d)
return 0;
}
static int __init battery_full_discharging_quirk(const struct dmi_system_id *d)
{
battery_full_discharging = 1;
return 0;
}
static const struct dmi_system_id bat_dmi_table[] __initconst = {
{
.callback = battery_bix_broken_package_quirk,
@ -1193,38 +1183,6 @@ static const struct dmi_system_id bat_dmi_table[] __initconst = {
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-573G"),
},
},
{
.callback = battery_full_discharging_quirk,
.ident = "ASUS GL502VSK",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "GL502VSK"),
},
},
{
.callback = battery_full_discharging_quirk,
.ident = "ASUS UX305LA",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "UX305LA"),
},
},
{
.callback = battery_full_discharging_quirk,
.ident = "ASUS UX360UA",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "UX360UA"),
},
},
{
.callback = battery_full_discharging_quirk,
.ident = "ASUS UX410UAK",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "UX410UAK"),
},
},
{},
};

10
drivers/acpi/nfit/core.c
View file

@ -2675,10 +2675,14 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc,
else
ndr_desc->numa_node = NUMA_NO_NODE;
if(acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_CACHE_FLUSH)
/*
* Persistence domain bits are hierarchical, if
* ACPI_NFIT_CAPABILITY_CACHE_FLUSH is set then
* ACPI_NFIT_CAPABILITY_MEM_FLUSH is implied.
*/
if (acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_CACHE_FLUSH)
set_bit(ND_REGION_PERSIST_CACHE, &ndr_desc->flags);
if (acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_MEM_FLUSH)
else if (acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_MEM_FLUSH)
set_bit(ND_REGION_PERSIST_MEMCTRL, &ndr_desc->flags);
list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) {

10
drivers/acpi/numa.c
View file

@ -103,25 +103,27 @@ int acpi_map_pxm_to_node(int pxm)
*/
int acpi_map_pxm_to_online_node(int pxm)
{
int node, n, dist, min_dist;
int node, min_node;
node = acpi_map_pxm_to_node(pxm);
if (node == NUMA_NO_NODE)
node = 0;
min_node = node;
if (!node_online(node)) {
min_dist = INT_MAX;
int min_dist = INT_MAX, dist, n;
for_each_online_node(n) {
dist = node_distance(node, n);
if (dist < min_dist) {
min_dist = dist;
node = n;
min_node = n;
}
}
}
return node;
return min_node;
}
EXPORT_SYMBOL(acpi_map_pxm_to_online_node);

4
drivers/ata/ahci.c
View file

@ -550,7 +550,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */
.driver_data = board_ahci_yes_fbs },
/* Promise */

10
drivers/ata/libahci.c
View file

@ -665,6 +665,16 @@ int ahci_stop_engine(struct ata_port *ap)
if ((tmp & (PORT_CMD_START | PORT_CMD_LIST_ON)) == 0)
return 0;
/*
* Don't try to issue commands but return with ENODEV if the
* AHCI controller not available anymore (e.g. due to PCIe hot
* unplugging). Otherwise a 500ms delay for each port is added.
*/
if (tmp == 0xffffffff) {
dev_err(ap->host->dev, "AHCI controller unavailable!\n");
return -ENODEV;
}
/* setting HBA to idle */
tmp &= ~PORT_CMD_START;
writel(tmp, port_mmio + PORT_CMD);

2
drivers/ata/libahci_platform.c
View file

@ -340,7 +340,7 @@ static int ahci_platform_get_regulator(struct ahci_host_priv *hpriv, u32 port,
* 2) regulator for controlling the targets power (optional)
* 3) 0 - AHCI_MAX_CLKS clocks, as specified in the devs devicetree node,
* or for non devicetree enabled platforms a single clock
* 4) phys (optional)
* 4) phys (optional)
*
* RETURNS:
* The allocated ahci_host_priv on success, otherwise an ERR_PTR value

26
drivers/ata/libata-core.c
View file

@ -4530,6 +4530,25 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER },
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },
/* Crucial BX100 SSD 500GB has broken LPM support */
{ "CT500BX100SSD1", NULL, ATA_HORKAGE_NOLPM },
/* 512GB MX100 with MU01 firmware has both queued TRIM and LPM issues */
{ "Crucial_CT512MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },
/* 512GB MX100 with newer firmware has only LPM issues */
{ "Crucial_CT512MX100*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },
/* 480GB+ M500 SSDs have both queued TRIM and LPM issues */
{ "Crucial_CT480M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },
{ "Crucial_CT960M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },
/* devices that don't properly handle queued TRIM commands */
{ "Micron_M500_*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
@ -4541,7 +4560,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Crucial_CT*MX100*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
{ "Samsung SSD 840*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
@ -5401,8 +5422,7 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
* We guarantee to LLDs that they will have at least one
* non-zero sg if the command is a data command.
*/
if (WARN_ON_ONCE(ata_is_data(prot) &&
(!qc->sg || !qc->n_elem || !qc->nbytes)))
if (ata_is_data(prot) && (!qc->sg || !qc->n_elem || !qc->nbytes))
goto sys_err;
if (ata_is_dma(prot) || (ata_is_pio(prot) &&

3
drivers/ata/libata-eh.c
View file

@ -815,7 +815,8 @@ void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap)
if (ap->pflags & ATA_PFLAG_LOADING)
ap->pflags &= ~ATA_PFLAG_LOADING;
else if (ap->pflags & ATA_PFLAG_SCSI_HOTPLUG)
else if ((ap->pflags & ATA_PFLAG_SCSI_HOTPLUG) &&
!(ap->flags & ATA_FLAG_SAS_HOST))
schedule_delayed_work(&ap->hotplug_task, 0);
if (ap->pflags & ATA_PFLAG_RECOVERED)

12
drivers/ata/libata-scsi.c
View file

@ -3316,6 +3316,12 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
goto invalid_fld;
}
/* We may not issue NCQ commands to devices not supporting NCQ */
if (ata_is_ncq(tf->protocol) && !ata_ncq_enabled(dev)) {
fp = 1;
goto invalid_fld;
}
/* sanity check for pio multi commands */
if ((cdb[1] & 0xe0) && !is_multi_taskfile(tf)) {
fp = 1;
@ -4282,7 +4288,7 @@ static inline void ata_scsi_dump_cdb(struct ata_port *ap,
#ifdef ATA_DEBUG
struct scsi_device *scsidev = cmd->device;
DPRINTK("CDB (%u:%d,%d,%d) %9ph\n",
DPRINTK("CDB (%u:%d,%d,%lld) %9ph\n",
ap->print_id,
scsidev->channel, scsidev->id, scsidev->lun,
cmd->cmnd);
@ -4309,7 +4315,9 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd,
if (likely((scsi_op != ATA_16) || !atapi_passthru16)) {
/* relay SCSI command to ATAPI device */
int len = COMMAND_SIZE(scsi_op);
if (unlikely(len > scmd->cmd_len || len > dev->cdb_len))
if (unlikely(len > scmd->cmd_len ||
len > dev->cdb_len ||
scmd->cmd_len > ATAPI_CDB_LEN))
goto bad_cdb_len;
xlat_func = atapi_xlat;

62
drivers/ata/sata_rcar.c
View file

@ -146,6 +146,7 @@
enum sata_rcar_type {
RCAR_GEN1_SATA,
RCAR_GEN2_SATA,
RCAR_GEN3_SATA,
RCAR_R8A7790_ES1_SATA,
};
@ -784,26 +785,11 @@ static void sata_rcar_setup_port(struct ata_host *host)
ioaddr->command_addr = ioaddr->cmd_addr + (ATA_REG_CMD << 2);
}
static void sata_rcar_init_controller(struct ata_host *host)
static void sata_rcar_init_module(struct sata_rcar_priv *priv)
{
struct sata_rcar_priv *priv = host->private_data;
void __iomem *base = priv->base;
u32 val;
/* reset and setup phy */
switch (priv->type) {
case RCAR_GEN1_SATA:
sata_rcar_gen1_phy_init(priv);
break;
case RCAR_GEN2_SATA:
case RCAR_R8A7790_ES1_SATA:
sata_rcar_gen2_phy_init(priv);
break;
default:
dev_warn(host->dev, "SATA phy is not initialized\n");
break;
}
/* SATA-IP reset state */
val = ioread32(base + ATAPI_CONTROL1_REG);
val |= ATAPI_CONTROL1_RESET;
@ -824,10 +810,33 @@ static void sata_rcar_init_controller(struct ata_host *host)
/* ack and mask */
iowrite32(0, base + SATAINTSTAT_REG);
iowrite32(0x7ff, base + SATAINTMASK_REG);
/* enable interrupts */
iowrite32(ATAPI_INT_ENABLE_SATAINT, base + ATAPI_INT_ENABLE_REG);
}
static void sata_rcar_init_controller(struct ata_host *host)
{
struct sata_rcar_priv *priv = host->private_data;
/* reset and setup phy */
switch (priv->type) {
case RCAR_GEN1_SATA:
sata_rcar_gen1_phy_init(priv);
break;
case RCAR_GEN2_SATA:
case RCAR_GEN3_SATA:
case RCAR_R8A7790_ES1_SATA:
sata_rcar_gen2_phy_init(priv);
break;
default:
dev_warn(host->dev, "SATA phy is not initialized\n");
break;
}
sata_rcar_init_module(priv);
}
static const struct of_device_id sata_rcar_match[] = {
{
/* Deprecated by "renesas,sata-r8a7779" */
@ -856,7 +865,7 @@ static const struct of_device_id sata_rcar_match[] = {
},
{
.compatible = "renesas,sata-r8a7795",
.data = (void *)RCAR_GEN2_SATA
.data = (void *)RCAR_GEN3_SATA
},
{
.compatible = "renesas,rcar-gen2-sata",
@ -864,7 +873,7 @@ static const struct of_device_id sata_rcar_match[] = {
},
{
.compatible = "renesas,rcar-gen3-sata",
.data = (void *)RCAR_GEN2_SATA
.data = (void *)RCAR_GEN3_SATA
},
{ },
};
@ -982,11 +991,18 @@ static int sata_rcar_resume(struct device *dev)
if (ret)
return ret;
/* ack and mask */
iowrite32(0, base + SATAINTSTAT_REG);
iowrite32(0x7ff, base + SATAINTMASK_REG);
/* enable interrupts */
iowrite32(ATAPI_INT_ENABLE_SATAINT, base + ATAPI_INT_ENABLE_REG);
if (priv->type == RCAR_GEN3_SATA) {
sata_rcar_gen2_phy_init(priv);
sata_rcar_init_module(priv);
} else {
/* ack and mask */
iowrite32(0, base + SATAINTSTAT_REG);
iowrite32(0x7ff, base + SATAINTMASK_REG);
/* enable interrupts */
iowrite32(ATAPI_INT_ENABLE_SATAINT,
base + ATAPI_INT_ENABLE_REG);
}
ata_host_resume(host);

6
drivers/auxdisplay/img-ascii-lcd.c
View file

@ -97,7 +97,7 @@ static struct img_ascii_lcd_config boston_config = {
static void malta_update(struct img_ascii_lcd_ctx *ctx)
{
unsigned int i;
int err;
int err = 0;
for (i = 0; i < ctx->cfg->num_chars; i++) {
err = regmap_write(ctx->regmap,
@ -180,7 +180,7 @@ static int sead3_wait_lcd_idle(struct img_ascii_lcd_ctx *ctx)
static void sead3_update(struct img_ascii_lcd_ctx *ctx)
{
unsigned int i;
int err;
int err = 0;
for (i = 0; i < ctx->cfg->num_chars; i++) {
err = sead3_wait_lcd_idle(ctx);
@ -224,7 +224,7 @@ MODULE_DEVICE_TABLE(of, img_ascii_lcd_matches);
/**
* img_ascii_lcd_scroll() - scroll the display by a character
* @arg: really a pointer to the private data structure
* @t: really a pointer to the private data structure
*
* Scroll the current message along the LCD by one character, rearming the
* timer if required.

6
drivers/auxdisplay/panel.c
View file

@ -1372,7 +1372,7 @@ static void panel_process_inputs(void)
break;
input->rise_timer = 0;
input->state = INPUT_ST_RISING;
/* no break here, fall through */
/* fall through */
case INPUT_ST_RISING:
if ((phys_curr & input->mask) != input->value) {
input->state = INPUT_ST_LOW;
@ -1385,11 +1385,11 @@ static void panel_process_inputs(void)
}
input->high_timer = 0;
input->state = INPUT_ST_HIGH;
/* no break here, fall through */
/* fall through */
case INPUT_ST_HIGH:
if (input_state_high(input))
break;
/* no break here, fall through */
/* fall through */
case INPUT_ST_FALLING:
input_state_falling(input);
}

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