Commit Graph

693686 Commits

Author SHA1 Message Date
Linus Walleij
836bd41983 Input: gpio_mouse - convert to use GPIO descriptors
This converts the GPIO mouse to use descriptors and fwnode properties. The
polarity settings go out the window since GPIO descriptor already know
about polarity so this should be configured in device tree or ACPI or
similar.

Set scanning interval by default to 50ms if not found as a property on the
device.

Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-10-19 17:08:46 -07:00
Linus Walleij
055f624e1e Input: gpio_mouse - add DT bindings
This adds DT bindings for simple mice attached to GPIO lines. As the
properties are very general and pertains to all mice I can think of, we use
very generic names for the 4-7 GPIO lines, "up", "down" etc.

Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-10-19 17:08:45 -07:00
Linus Walleij
34cf5a1cad Input: gpio_mouse - rename platform data variables
Use more appropriate names for the "platform data" which is now just a
simple state container for the GPIO mouse.

Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-10-19 17:08:44 -07:00
Linus Walleij
c5053e695d Input: gpio_mouse - kill off platform data
This is not used much: git grep  gpio_mouse_platform_data shows
that absolutely nothing in the kernel defines this platform
data.

It could be argued that the driver should be deleted. But that
is a bit harsh I think since it seems generally useful. So
this patch starts a series which repurposes it to be used with
hardware nodes from device tree or ACPI.

This first patch simply localize the platform data header and
allocates a dummy platform data.

Yes: this patch leaves the driver in a pretty useless state,
but since nothing is instantiating this driver, it doesn't
make it more useless than it already is. Later patches makes
use of the driver.

Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-10-19 17:08:37 -07:00
Colin Ian King
60942e674e Input: synaptics-rmi4 - make array rmi_f54_report_type_names static
The array rmi_f54_report_type_names is local to the source and does
not need to be in global scope, so make it static. Also make the array
const char * const.

Cleans up sparse warning:
symbol 'rmi_f54_report_type_names' was not declared. Should it be static?

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-10-09 20:53:36 -07:00
Andi Shyti
a8b4aa0c0d Input: ad7879 - use managed devm_device_add_group
Commit 57b8ff070f ("driver core: add devm_device_add_group() and
friends") has added the managed version for creating sysfs group files.

Use devm_device_add_group instead of sysfs_create_group and remove the
action that cleans the sysfs file when exiting the driver.

Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-29 16:51:07 -07:00
Andi Shyti
e3adf559a3 Input: edt-ft5x06 - use managed devm_device_add_group
Commit 57b8ff070f ("driver core: add devm_device_add_group() and
friends") has added the managed version for creating sysfs group files.

Use devm_device_add_group instead of sysfs_create_group and remove the
relative sysfs_remove_group and goto label.

Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-29 16:51:06 -07:00
Andi Shyti
5f2ae04991 Input: wdt87xx_i2c - use managed devm_device_add_group
Commit 57b8ff070f ("driver core: add devm_device_add_group() and
friends") has added the managed version for creating sysfs group files.

Use devm_device_add_group instead of sysfs_create_group and remove the
relative sysfs_remove_group.

Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-29 16:51:05 -07:00
Andi Shyti
a71b8b5c4a Input: rohm_bu21023 - use managed devm_device_add_group
Commit 57b8ff070f ("driver core: add devm_device_add_group() and
friends") has added the managed version for creating sysfs group files.

Use devm_device_add_group instead of sysfs_create_group and remove the
action that cleans the sysfs file when exiting the driver.

Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-29 16:51:04 -07:00
Andi Shyti
b887df52f8 Input: raydium_i2c_ts - use managed devm_device_add_group
Commit 57b8ff070f ("driver core: add devm_device_add_group() and
friends") has added the managed version for creating sysfs group files.

Use devm_device_add_group instead of sysfs_create_group and remove the
action that cleans the sysfs file when exiting the driver.

Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-29 16:51:04 -07:00
Andi Shyti
4c16f82e23 Input: melfas_mip4 - use managed devm_device_add_group
Commit 57b8ff070f ("driver core: add devm_device_add_group() and
friends") has added the managed version for creating sysfs group files.

Use devm_device_add_group instead of sysfs_create_group and remove the
action that cleans the sysfs file when exiting the driver.

Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-29 16:51:03 -07:00
Andi Shyti
8db69a9a5d Input: elants_i2c - use managed devm_device_add_group
Commit 57b8ff070f ("driver core: add devm_device_add_group() and
friends") has added the managed version for creating sysfs group files.

Use devm_device_add_group instead of sysfs_create_group and remove the
action that cleans the sysfs file when exiting the driver.

Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-29 16:51:02 -07:00
Dmitry Torokhov
a4b0a58bb1 Input: elan_i2c - do not clobber interrupt trigger on x86
On x86 we historically used falling edge interrupts in the driver
because that's how first Chrome devices were configured. They also
did not use ACPI to enumerate I2C devices (because back then there
was no kernel support for that), so trigger was hard-coded in the
driver. However the controller behavior is much more reliable if
we use level triggers, and that is how we configured ARM devices,
and how want to configure newer x86 devices as well. All newer
x86 boxes have their I2C devices enumerated in ACPI.

Let's see if platform code (ACPI, DT) described interrupt and
specified particular trigger type, and if so, let's use it instead
of always clobbering trigger with IRQF_TRIGGER_FALLING. We will
still use this trigger type as a fallback if platform code left
interrupt trigger unconfigured.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196761
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-29 16:51:01 -07:00
Randy Dunlap
8d25fee284 Input: usbtouchscreen - use EXPERT instead of EMBEDDED for EasyTouch
Change control of TOUCHSCREEN_USB_EASYTOUCH prompt string from
EMBEDDED to EXPERT to match the rest of this Kconfig file.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-26 11:52:09 -07:00
Russell King
361fa055f1 Input: sa1111ps2 - extend test delay
A 2us delay is too small for the bus to settle after writing to the
register.  Extend to 10us which gives more reliable results.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-26 11:52:08 -07:00
Russell King
a12ded48b3 Input: sa1111ps2 - remove special sa1111 mmio accessors
Remove the special SA1111 MMIO accessors from the SA1111 PS/2 driver
as their definition will be removed shortly.  The SA1111 accessors are
barrierless, so use the _relaxed variants.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-26 11:52:07 -07:00
Russell King
e6c4436876 Input: sa1111ps2 - use sa1111_get_irq() to obtain IRQ resources
Use the provided sa1111_get_irq() to fetch the IRQ resources for the
SA1111 PS/2 driver.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-26 11:52:00 -07:00
Andi Shyti
c2690bd697 Input: stmfts - use devm_device_add_group
instead of sysfs_create_group.

Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-22 10:06:58 -07:00
Nik Nyby
7ed802c0c0 Input: elan_i2c - remove duplicate ELAN0605 id
ELAN0605 appears twice here.

Signed-off-by: Nik Nyby <nikolas@gnu.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-21 16:42:23 -07:00
Dmitry Torokhov
9c4089e87a Immutable branch between MFD, Input and RTC due for the v3.14 merge window
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Merge tag 'ib-mfd-input-rtc-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next

Merge "Immutable branch between MFD, Input and RTC due for the v3.14
merge window" to have dm355evm_msp.h header moved into right place.
2017-09-21 16:41:15 -07:00
Dmitry Torokhov
95a0c7c2d6 Immutable branch between MFD and many other subsystems due for the v4.14 merge window
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Merge tag 'ib-mfd-many-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next

Merge "Immutable branch between MFD and many other subsystems due for
the v4.14 merge window" to get the TWL headers moved to the right place.
2017-09-21 16:38:09 -07:00
Arnd Bergmann
1dbc080c9e Input: adxl34x - do not treat FIFO_MODE() as boolean
FIFO_MODE() is a macro expression with a '<<' operator, which gcc points
out could be misread as a '<':

drivers/input/misc/adxl34x.c: In function 'adxl34x_probe':
drivers/input/misc/adxl34x.c:799:36: error: '<<' in boolean context, did you mean '<' ? [-Werror=int-in-bool-context]

While utility of this warning is being disputed (Chief Penguin: "This
warning is clearly pure garbage.") FIFO_MODE() extracts range of values,
with 0 being FIFO_BYPASS, and not something that is logically boolean.

This converts the test to an explicit comparison with FIFO_BYPASS,
making it clearer to gcc and the reader what is intended.

Fixes: e27c729219 ("Input: add driver for ADXL345/346 Digital Accelerometers")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-20 12:15:58 -07:00
Kai-Heng Feng
697c5d8a36 Input: i8042 - add Gigabyte P57 to the keyboard reset table
Similar to other Gigabyte laptops, the touchpad on P57 requires a
keyboard reset to detect Elantech touchpad correctly.

BugLink: https://bugs.launchpad.net/bugs/1594214
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-15 09:51:22 -07:00
Cameron Gutman
122d6a3473 Input: xpad - validate USB endpoint type during probe
We should only see devices with interrupt endpoints. Ignore any other
endpoints that we find, so we don't send try to send them interrupt URBs
and trigger a WARN down in the USB stack.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Cc: <stable@vger.kernel.org> # c01b5e7464 Input: xpad - don't depend on endpoint order
Signed-off-by: Cameron Gutman <aicommander@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-12 11:45:59 -07:00
Dmitry Torokhov
39467fc105 Input: ucb1400_ts - fix suspend and resume handling
Instead of stopping the touchscreen we were starting it in suspend, and
disabling it in resume.

Fixes: c899afedf1 ("Input: ucb1400_ts - convert to threaded IRQ")
Reported-by: Anton Volkov <avolkov@ispras.ru>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-11 14:23:56 -07:00
Luca Ceresoli
4701475282 Input: edt-ft5x06 - fix access to non-existing register
reg_addr->reg_report_rate is supposed to exist in M06, not M09.

The driver is written to skip avoids access to non-existing registers
when the register address is NO_REGISTER (0xff). But
reg_addr->reg_report_rate is initialized to 0x00 by devm_kzalloc() (in
edt_ft5x06_ts_probe()) and not changed thereafter. So the checks do
not work and an access to register 0x00 is done.

Fix by setting reg_addr->reg_report_rate to NO_REGISTER.

Also fix the only place where reg_report_rate is checked against zero
instead of NO_REGISTER.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-11 14:23:41 -07:00
Colin Ian King
4f1b461dd1 Input: elantech - make arrays debounce_packet static, reduces object code size
Don't populate the arrays debounce_packet on the stack, instead make
them static.  Makes the object code smaller by over 870 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
  30553	   9152	      0	  39705	   9b19	drivers/input/mouse/elantech.o

After:
   text	   data	    bss	    dec	    hex	filename
  29521	   9312	      0	  38833	   97b1	drivers/input/mouse/elantech.o

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-11 14:23:40 -07:00
Colin Ian King
023c437a7a Input: surface3_spi - make const array header static, reduces object code size
Don't populate the const array header on the stack, instead make it
static.  Makes the object code smaller by over 180 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
   6003	   1536	      0	   7539	   1d73	surface3_spi.o

After:
   text	   data	    bss	    dec	    hex	filename
   5726	   1632	      0	   7358	   1cbe	surface3_spi.o

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-11 14:23:39 -07:00
Sergei A. Trusov
4a54feea17 Input: goodix - add support for capacitive home button
On some x86 tablets with a Goodix touchscreen, the Windows logo on the
front is a capacitive home button. Touching this button results in a touch
with bit 4 of the first byte set, while only the lower 4 bits (0-3) are
used to indicate the number of touches.

Report a KEY_LEFTMETA press when this happens.

Note that the hardware might support more than one button, in which
case the "id" byte of coor_data would identify the button in question.
This is not implemented as we don't have access to hardware with
multiple buttons.

Signed-off-by: Sergei A. Trusov <sergei.a.trusov@ya.ru>
Acked-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-11 14:23:15 -07:00
Sebastian Reichel
3e5b08518f Input: add a driver for PWM controllable vibrators
Provide a simple driver for PWM controllable vibrators.
It will be used by Motorola Droid 4.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-04 12:13:24 -07:00
Colin Ian King
1bf21b3373 Input: adi - make array seq static, reduces object code size
Don't populate the array seq on the stack, instead make it static.
Makes the object code smaller by over 170 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
  13227	   3232	      0	  16459	   404b	drivers/input/joystick/adi.o

After:
   text	   data	    bss	    dec	    hex	filename
  12957	   3328	      0	  16285	   3f9d	drivers/input/joystick/adi.o

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2017-09-04 09:28:15 -07:00
Wolfram Sang
a205425658 mfd: twl: Move header file out of I2C realm
include/linux/i2c is not for client devices. Move the header file to a
more appropriate location.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-04 14:41:02 +01:00
Linus Torvalds
569dbb88e8 Linux 4.13 2017-09-03 13:56:17 -07:00
Linus Torvalds
5e3b19d816 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "The two indirect syscall fixes have sat in linux-next for a few days.
  I did check back with a hardware designer to ensure a SYNC is really
  what's required for the GIC fix and so the GIC fix didn't make it into
  to linux-next in time for this final pull request.

  It builds in local build tests and passes Imagination's test system"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  irqchip: mips-gic: SYNC after enabling GIC region
  MIPS: Remove pt_regs adjustments in indirect syscall handler
  MIPS: seccomp: Fix indirect syscall args
2017-09-03 09:50:26 -07:00
Linus Torvalds
d0fa6ea10e Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:

 - Expand the space for uncompressing as the LZ4 worst case does not fit
   into the currently reserved space

 - Validate boot parameters more strictly to prevent out of bound access
   in the decompressor/boot code

 - Fix off by one errors in get_segment_base()

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot: Prevent faulty bootparams.screeninfo from causing harm
  x86/boot: Provide more slack space during decompression
  x86/ldt: Fix off by one in get_segment_base()
2017-09-03 09:35:21 -07:00
Linus Torvalds
3b62dc6c38 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
 "A single fix for a thinko in the raw timekeeper update which causes
  clock MONOTONIC_RAW to run with erratically increased frequency"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time: Fix ktime_get_raw() incorrect base accumulation
2017-09-03 09:30:40 -07:00
Linus Torvalds
e92d51aff5 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:

 - Prevent a potential inconistency in the perf user space access which
   might lead to evading sanity checks.

 - Prevent perf recording function trace entries twice

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/ftrace: Fix double traces of perf on ftrace:function
  perf/core: Fix potential double-fetch bug
2017-09-03 09:23:23 -07:00
Linus Torvalds
d0d6ab53c9 Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs version warning fix from Steve French:
 "As requested, additional kernel warning messages to clarify the
  default dialect changes"

[ There is still some discussion about exactly which version should be
  the new default.  Longer-term we have auto-negotiation coming, but
  that's not there yet..  - Linus ]

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  Fix warning messages when mounting to older servers
2017-09-01 20:57:27 -07:00
Linus Torvalds
54f70f52e3 ARM: SoC fixes for 4.13
A couple of late-arriving fixes before final 4.13:
 
  - A few reverts of DT bindings on Allwinner for their ethernet
    driver. Discussion didn't converge, and since bindings are considered
    ABI it makes sense to revert instead of having to support two bindings
    long-term.
  - A fix to enumerate GPIOs properly on Marvell Armada AP806
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A couple of late-arriving fixes before final 4.13:

   - A few reverts of DT bindings on Allwinner for their ethernet
     driver. Discussion didn't converge, and since bindings are
     considered ABI it makes sense to revert instead of having to
     support two bindings long-term.

   - A fix to enumerate GPIOs properly on Marvell Armada AP806"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: dts: marvell: fix number of GPIOs in Armada AP806 description
  arm: dts: sunxi: Revert EMAC changes
  arm64: dts: allwinner: Revert EMAC changes
  dt-bindings: net: Revert sun8i dwmac binding
2017-09-01 17:16:40 -07:00
Olof Johansson
6f71a92576 mvebu fixes for 4.13 (part 3)
Fix number of GPIOs in AP806 description for Armada 7K/8K
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Merge tag 'mvebu-fixes-4.13-3' of git://git.infradead.org/linux-mvebu into fixes

mvebu fixes for 4.13 (part 3)

Fix number of GPIOs in AP806 description for Armada 7K/8K

* tag 'mvebu-fixes-4.13-3' of git://git.infradead.org/linux-mvebu:
  arm64: dts: marvell: fix number of GPIOs in Armada AP806 description

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-09-01 16:37:02 -07:00
Linus Torvalds
f8c6d7246a Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "The ismt driver had a problem with a rarely used transaction type and
  the designware driver was made even more robust against non standard
  ACPI tables"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: designware: Round down ACPI provided clk to nearest supported clk
  i2c: ismt: Return EMSGSIZE for block reads with bogus length
  i2c: ismt: Don't duplicate the receive length for block reads
2017-09-01 15:03:13 -07:00
Oleg Nesterov
138e4ad67a epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove()
The race was introduced by me in commit 971316f050 ("epoll:
ep_unregister_pollwait() can use the freed pwq->whead").  I did not
realize that nothing can protect eventpoll after ep_poll_callback() sets
->whead = NULL, only whead->lock can save us from the race with
ep_free() or ep_remove().

Move ->whead = NULL to the end of ep_poll_callback() and add the
necessary barriers.

TODO: cleanup the ewake/EPOLLEXCLUSIVE logic, it was confusing even
before this patch.

Hopefully this explains use-after-free reported by syzcaller:

	BUG: KASAN: use-after-free in debug_spin_lock_before
	...
	 _raw_spin_lock_irqsave+0x4a/0x60 kernel/locking/spinlock.c:159
	 ep_poll_callback+0x29f/0xff0 fs/eventpoll.c:1148

this is spin_lock(eventpoll->lock),

	...
	Freed by task 17774:
	...
	 kfree+0xe8/0x2c0 mm/slub.c:3883
	 ep_free+0x22c/0x2a0 fs/eventpoll.c:865

Fixes: 971316f050 ("epoll: ep_unregister_pollwait() can use the freed pwq->whead")
Reported-by: 范龙飞 <long7573@126.com>
Cc: stable@vger.kernel.org
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-01 13:07:35 -07:00
Linus Torvalds
8cf9f2a29f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix handling of pinned BPF map nodes in hash of maps, from Daniel
    Borkmann.

 2) IPSEC ESP error paths leak memory, from Steffen Klassert.

 3) We need an RCU grace period before freeing fib6_node objects, from
    Wei Wang.

 4) Must check skb_put_padto() return value in HSR driver, from FLorian
    Fainelli.

 5) Fix oops on PHY probe failure in ftgmac100 driver, from Andrew
    Jeffery.

 6) Fix infinite loop in UDP queue when using SO_PEEK_OFF, from Eric
    Dumazet.

 7) Use after free when tcf_chain_destroy() called multiple times, from
    Jiri Pirko.

 8) Fix KSZ DSA tag layer multiple free of SKBS, from Florian Fainelli.

 9) Fix leak of uninitialized memory in sctp_get_sctp_info(),
    inet_diag_msg_sctpladdrs_fill() and inet_diag_msg_sctpaddrs_fill().
    From Stefano Brivio.

10) L2TP tunnel refcount fixes from Guillaume Nault.

11) Don't leak UDP secpath in udp_set_dev_scratch(), from Yossi
    Kauperman.

12) Revert a PHY layer change wrt. handling of PHY_HALTED state in
    phy_stop_machine(), it causes regressions for multiple people. From
    Florian Fainelli.

13) When packets are sent out of br0 we have to clear the
    offload_fwdq_mark value.

14) Several NULL pointer deref fixes in packet schedulers when their
    ->init() routine fails. From Nikolay Aleksandrov.

15) Aquantium devices cannot checksum offload correctly when the packet
    is <= 60 bytes. From Pavel Belous.

16) Fix vnet header access past end of buffer in AF_PACKET, from
    Benjamin Poirier.

17) Double free in probe error paths of nfp driver, from Dan Carpenter.

18) QOS capability not checked properly in DCB init paths of mlx5
    driver, from Huy Nguyen.

19) Fix conflicts between firmware load failure and health_care timer in
    mlx5, also from Huy Nguyen.

20) Fix dangling page pointer when DMA mapping errors occur in mlx5,
    from Eran Ben ELisha.

21) ->ndo_setup_tc() in bnxt_en driver doesn't count rings properly,
    from Michael Chan.

22) Missing MSIX vector free in bnxt_en, also from Michael Chan.

23) Refcount leak in xfrm layer when using sk_policy, from Lorenzo
    Colitti.

24) Fix copy of uninitialized data in qlge driver, from Arnd Bergmann.

25) bpf_setsockopts() erroneously always returns -EINVAL even on
    success. Fix from Yuchung Cheng.

26) tipc_rcv() needs to linearize the SKB before parsing the inner
    headers, from Parthasarathy Bhuvaragan.

27) Fix deadlock between link status updates and link removal in netvsc
    driver, from Stephen Hemminger.

28) Missed locking of page fragment handling in ESP output, from Steffen
    Klassert.

29) Fix refcnt leak in ebpf congestion control code, from Sabrina
    Dubroca.

30) sxgbe_probe_config_dt() doesn't check devm_kzalloc()'s return value,
    from Christophe Jaillet.

31) Fix missing ipv6 rx_dst_cookie update when rx_dst is updated during
    early demux, from Paolo Abeni.

32) Several info leaks in xfrm_user layer, from Mathias Krause.

33) Fix out of bounds read in cxgb4 driver, from Stefano Brivio.

34) Properly propagate obsolete state of route upwards in ipv6 so that
    upper holders like xfrm can see it. From Xin Long.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (118 commits)
  udp: fix secpath leak
  bridge: switchdev: Clear forward mark when transmitting packet
  mlxsw: spectrum: Forbid linking to devices that have uppers
  wl1251: add a missing spin_lock_init()
  Revert "net: phy: Correctly process PHY_HALTED in phy_stop_machine()"
  net: dsa: bcm_sf2: Fix number of CFP entries for BCM7278
  kcm: do not attach PF_KCM sockets to avoid deadlock
  sch_tbf: fix two null pointer dereferences on init failure
  sch_sfq: fix null pointer dereference on init failure
  sch_netem: avoid null pointer deref on init failure
  sch_fq_codel: avoid double free on init failure
  sch_cbq: fix null pointer dereferences on init failure
  sch_hfsc: fix null pointer deref and double free on init failure
  sch_hhf: fix null pointer dereference on init failure
  sch_multiq: fix double free on init failure
  sch_htb: fix crash on init failure
  net/mlx5e: Fix CQ moderation mode not set properly
  net/mlx5e: Fix inline header size for small packets
  net/mlx5: E-Switch, Unload the representors in the correct order
  net/mlx5e: Properly resolve TC offloaded ipv6 vxlan tunnel source address
  ...
2017-09-01 12:49:03 -07:00
Linus Torvalds
b8a78bb4d1 ceph fscache page locking fix from Zheng, marked for stable.
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Merge tag 'ceph-for-4.13-rc8' of git://github.com/ceph/ceph-client

Pull ceph fix from Ilya Dryomov:
 "ceph fscache page locking fix from Zheng, marked for stable"

* tag 'ceph-for-4.13-rc8' of git://github.com/ceph/ceph-client:
  ceph: fix readpage from fscache
2017-09-01 12:46:30 -07:00
Linus Torvalds
3e1d79c811 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
 "Just a couple drivers fixes (Synaptics PS/2, Xpad)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: xpad - fix PowerA init quirk for some gamepad models
  Input: synaptics - fix device info appearing different on reconnect
2017-09-01 10:43:37 -07:00
Linus Torvalds
d7e44b86a6 MMC core:
- Fix block status codes
 
 MMC host:
  - sdhci-xenon: Fix SD bus voltage select
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Merge tag 'mmc-v4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull two more MMC fixes from Ulf Hansson:
 "MMC core:
   - Fix block status codes

  MMC host:
   - sdhci-xenon: Fix SD bus voltage select"

* tag 'mmc-v4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci-xenon: add set_power callback
  mmc: block: Fix block status codes
2017-09-01 10:41:02 -07:00
Linus Torvalds
381cce59a9 sound fixes for 4.13-rc8
Three regression fixes that should be addressed before the final
 release: a missing mutex call in OSS PCM emulation ioctl, ASoC rt5670
 headset detection breakage, and a regression in simple-card parser
 code.
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Merge tag 'sound-4.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Three regression fixes that should be addressed before the final
  release: a missing mutex call in OSS PCM emulation ioctl, ASoC rt5670
  headset detection breakage, and a regression in simple-card parser
  code"

* tag 'sound-4.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: simple_card_utils: fix fallback when "label" property isn't present
  ALSA: pcm: Fix power lock unbalance via OSS emulation
  ASoC: rt5670: Fix GPIO headset detection regression
2017-09-01 10:38:00 -07:00
Linus Torvalds
bba2a5b822 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
 "Three more bug fixes for v4.13.

  The two memory management related fixes are quite new, they fix kernel
  crashes that can be triggered by user space.

  The third commit fixes a bug in the vfio ccw translation code"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/mm: fix BUG_ON in crst_table_upgrade
  s390/mm: fork vs. 5 level page tabel
  vfio: ccw: fix bad ptr math for TIC cda translation
2017-09-01 10:36:22 -07:00
Linus Torvalds
a1c516a60a Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes the following issues:

   - Regression in chacha20 handling of chunked input

   - Crash in algif_skcipher when used with async io

   - Potential bogus pointer dereference in lib/mpi"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: algif_skcipher - only call put_page on referenced and used pages
  crypto: testmgr - add chunked test cases for chacha20
  crypto: chacha20 - fix handling of chunked input
  lib/mpi: kunmap after finishing accessing buffer
2017-09-01 10:30:03 -07:00
Yossi Kuperman
e8a732d1bc udp: fix secpath leak
After commit dce4551cb2 ("udp: preserve head state for IP_CMSG_PASSSEC")
we preserve the secpath for the whole skb lifecycle, but we also
end up leaking a reference to it.

We must clear the head state on skb reception, if secpath is
present.

Fixes: dce4551cb2 ("udp: preserve head state for IP_CMSG_PASSSEC")
Signed-off-by: Yossi Kuperman <yossiku@mellanox.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-01 10:29:34 -07:00