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616371 commits

Author SHA1 Message Date
Paul Gortmaker a86e87e8c7 gpio: palmas: fix implicit assumption module.h is present
This file is currently getting module.h from a global gpio header
and it will fail to build once we remove module.h from that.

However, the driver is controlled with the following Kconfig:

drivers/gpio/Kconfig:config GPIO_PALMAS
drivers/gpio/Kconfig:   bool "TI PALMAS series PMICs GPIO"

and hence the line of MODULE_DEVICE_TABLE is a no-op that can simply
be deleted.  In fact it should have been removed in an earlier commit
that did demodularization, however the unseen include prevented my
build testing from detecting it.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-15 13:57:43 +02:00
Linus Walleij d147d54899 Revert "gpio: pca953x: initialize ret to zero to avoid returning garbage"
This reverts commit 313b9a9938.

This was already fixed by
commit bf62efeb16
"gpio: pca954x: fix undefined error code from remove"

The latter is a better fix since it makes it easier to detect
erronous code by not assigning a default error code.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-13 14:43:23 +02:00
Linus Walleij e50237c7c2 gpio: aspeed: add MODULE_LICENSE()
The build complains about missing MODULE_LICENSE() in
the Aspeed GPIO driver. The license is evident from the
file header, put in "GPL".

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Alistair Popple <alistair@popple.id.au>
Cc: Jeremy Kerr <jk@ozlabs.org>
Cc: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-13 14:00:39 +02:00
Mika Westerberg 0a1e005374 gpiolib: Forbid irqchip default trigger for ACPI enumerated devices
Follow DT and forbid default trigger if the GPIO irqchip device is
enumerated from ACPI. Triggering for these devices will be configured
automatically from ACPI interrupt resources provided by the BIOS.

Suggested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-13 10:45:59 +02:00
Julia Lawall e35b5ab0a7 gpio: constify gpio_chip structures
These structures are only used to copy into other structures, so declare
them as const.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct gpio_chip i@p = { ... };

@ok@
identifier r.i;
expression e;
position p;
@@
e = i@p;

@bad@
position p != {r.p,ok.p};
identifier r.i;
struct gpio_chip e;
@@
e@i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct gpio_chip i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-13 10:35:56 +02:00
Wei Yongjun 9d99c41a12 gpio: lp873x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the need
of driver callback .remove.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-13 10:33:49 +02:00
Linus Walleij 2e68023971 Immutable branch between MFD, GPIO and Regulator due for the v4.9 merge window
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Merge tag 'ib-mfd-gpio-regulator-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into devel

Immutable branch between MFD, GPIO and Regulator due for the v4.9 merge window
2016-09-13 10:31:59 +02:00
Linus Walleij eb8994172a Linux 4.8-rc2
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Merge tag 'v4.8-rc2' into devel

Linux 4.8-rc2
2016-09-13 10:31:40 +02:00
Colin Ian King 313b9a9938 gpio: pca953x: initialize ret to zero to avoid returning garbage
ret is not initialized so it contains garbage.  Ensure garbage
is not returned in the case that pdata && pdata->teardown is false
by initializing ret to 0.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 15:39:39 +02:00
Alexander Shiyan 6d125412fc gpio: iop: Use generic GPIO MMIO functions for driver
This patch switches the driver to use the generic GPIO MMIO functions
that removes a bit of redundant and duplicate code.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 15:28:18 +02:00
Amitesh Singh 31963eb039 gpio: fix documentation for gpiod_unexport
Both gpio_export and gpio_free APIs are obsolete now.

Signed-off-by: Amitesh Singh <singh.amitesh@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 14:53:33 +02:00
Bartosz Golaszewski ea3d579d8f gpio: pca953x: coding style fixes
pca953x_gpio_set_multiple() has some coding style issues that make it
harder to read. Tweak the code a bit.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 14:49:42 +02:00
Bartosz Golaszewski 60f547be82 gpio: pca953x: remove an unused variable
The chip_type variable in struct pca953x_chip is no longer required.

Remove it.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 14:48:38 +02:00
Bartosz Golaszewski c6e3cf01d3 gpio: pca953x: refactor pca953x_read_regs()
Avoid the unnecessary if-else in pca953x_read_regs() by spltting the
routine into smaller, specialized functions and calling the right one
via a function pointer held in struct pca953x.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 14:46:54 +02:00
Bartosz Golaszewski 7acc66e371 gpio: pca953x: refactor pca953x_write_regs()
Avoid the unnecessary if-else in pca953x_write_regs() by splitting
the routine into smaller, specialized functions and calling the right
one via a function pointer held in struct pca953x_chip.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 14:46:29 +02:00
Bartosz Golaszewski 53661f3bc6 gpio: pca953x: code shrink
There are multiple places in the driver code where a
switch (chip->chip_type) is used to determine the proper register
offset.

Unduplicate the code by adding a simple structure holding the possible
offsets that differ between the pca953x and pca957x chip families and
use it to avoid the checks.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 14:45:34 +02:00
Vladimir Zapolskiy 14bf873e59 gpio: lpc32xx: remove unused platform data file
ARM LPC32xx platform is device-tree only, there is no need to keep
a file with GPIO platform data structures, however some of macro
definitions should be moved to the driver code, which is the only user
of the removed header file.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 14:23:37 +02:00
Marc Zyngier 332e99d5ae gpio/gpiolib: Forbid irqchip default trigger if probed over DT
Using a default trigger is a bad idea if using DT to configure
interrupts, as the device's interrupt specifier will always contain
the trigger configuration.

Let's warn about that particular situation, and revert to not
having a default. Hopefully, the couple of drivers still using
this feature will quickly be fixed.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-12 11:05:03 +02:00
Simon Horman 5d2f1d6ef9 gpio: rcar: Add r8a7796 (R-Car M3-W) support
R-Car Gen3's GPIO blocks are identical to Gen2's in every respect.

Based on work for the r8a7795 (R-Car H3) by Ulrich Hecht.

Cc: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-08 01:15:46 +02:00
Baruch Siach f25fe36d0d gpio: mrvl: dt-binding: remove orion-gpio description
The Orion GPIO controller binding description in mrvl-gpio.txt is obsolete, and
duplicates the description in gpio-mvebu.txt.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-08 01:15:45 +02:00
Joel Stanley 361b79119a gpio: Add Aspeed driver
The Aspeed SoCs contain GPIOs banked by letter, where each bank contains
8 pins. The GPIO banks are then grouped in sets of four in the register
layout.

The implementation exposes multiple banks through the one driver and
requests and releases pins via the pinctrl subsystem. The hardware
supports generation of interrupts from all GPIO-capable pins.

A number of hardware features are not yet supported: Configuration of
interrupt direction (ARM or LPC), debouncing, and WDT reset tolerance
for output ports.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-07 16:56:47 +02:00
Andrew Jeffery 19de85134e gpio: dt-bindings: Add documentation for Aspeed GPIO controllers
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Joel Stanley <joel@jms.id.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-07 16:41:45 +02:00
Arnd Bergmann bf62efeb16 gpio: pca954x: fix undefined error code from remove
The recent addition of the regulator support has led to the pca953x_remove
function returning uninitialized data when no platform data pointer is
provided, as gcc warns when using -Wmaybe-uninitialized:

drivers/gpio/gpio-pca953x.c: In function 'pca953x_remove':
drivers/gpio/gpio-pca953x.c:860:9: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]

This restores the previous behavior, returning 0 on success.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: e23efa3111 ("gpio: pca954x: Add vcc regulator and enable it")
Acked-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-07 16:14:42 +02:00
Keerthy f618ed218d regulator: lp873x: Change the MFD config option as per latest naming
Change the MFD config option as per latest naming

Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-08-31 13:20:44 +01:00
Keerthy 83f141030c gpio: lp873x: Add support for General Purpose Outputs
Add driver for lp873x PMIC family GPOs. Two GPOs are supported
and can be configured in Open-drain output or Push-pull output.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-08-31 13:20:37 +01:00
Keerthy dc21c7ad3a mfd: lp873x: Add lp873x PMIC support
The LP873X chip is a power management IC for Portable Navigation Systems
    and Tablet Computing devices. It contains the following components:

     - Regulators.
     - Configurable General Purpose Output Signals (GPO).

PMIC interacts with the main processor through i2c. PMIC has
couple of LDOs (Linear Regulators), couple of BUCKs (Step-Down DC-DC
Converter Cores) and GPOs (General Purpose Output Signals).

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-08-31 13:20:31 +01:00
Andrew F. Davis 54c928d335 dt-bindings: GPIO: Add TPIC2810 binding
Add binding for TPIC2810 GPO device.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-24 14:20:32 +02:00
Paul Gortmaker adaaf63e24 gpio: vf610: drop unused MODULE_ tags from non-modular code
The Kconfig currently controlling compilation of this code is:

drivers/gpio/Kconfig:config GPIO_VF610
drivers/gpio/Kconfig:   def_bool y

...meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modular infrastructure use, so that
when reading the driver there is no doubt it is builtin-only.

We delete the MODULE_LICENSE tag etc. since all that information
is now contained at the top of the file in the comments.

We don't replace module.h with init.h since the file already has that.

Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Stefan Agner <stefan@agner.ch>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-23 11:24:40 +02:00
Paul Gortmaker b29c5ddaea gpio: spear-spics: drop unused MODULE_ tags from non-modular code
The Kconfig currently controlling compilation of this code is:

drivers/gpio/Kconfig:config GPIO_SPEAR_SPICS
drivers/gpio/Kconfig:   bool "ST SPEAr13xx SPI Chip Select as GPIO support"

...meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modular infrastructure use, so that
when reading the driver there is no doubt it is builtin-only.

We delete the MODULE_LICENSE tag etc. since all that information
is now contained at the top of the file in the comments.

Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.

Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-23 11:23:41 +02:00
Paul Gortmaker 2c8d6c869f gpio: mxc: drop unused MODULE_ tags from non-modular code
The Kconfig currently controlling compilation of this code is:

drivers/gpio/Kconfig:config GPIO_MXC
drivers/gpio/Kconfig:   def_bool y

...meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modular infrastructure use, so that
when reading the driver there is no doubt it is builtin-only.

We delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.
Note the original e-mail had a missing/typo'd @ symbol anyway.

We don't replace module.h with init.h since the file already has that.

Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Juergen Beisert <kernel@pengutronix.de>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-23 11:22:38 +02:00
Paul Gortmaker 98102880c7 gpio: msic: drop unused MODULE_ tags from non-modular code
The Kconfig currently controlling compilation of this code is:

drivers/gpio/Kconfig:config GPIO_MSIC
drivers/gpio/Kconfig:   bool "Intel MSIC mixed signal gpio support"

...meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modular infrastructure use, so that
when reading the driver there is no doubt it is builtin-only.

We delete the MODULE_LICENSE tag etc. since all that information
is already contained at the top of the file in the comments.

We don't replace module.h with init.h since the file already has that.

Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-23 11:22:09 +02:00
Bin Gao 7d9e59ce76 gpio: wcove-gpio: add get_direction method
This patch adds .get_direction method for the gpio_chip structure
of the wcove_gpio driver.

Signed-off-by: Bin Gao <bin.gao@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-19 15:02:19 +02:00
Lucile Quirion 9c6686322d gpio: add Technologic I2C-FPGA gpio support
This driver is generic and aims to support all Technologic Systems's
boards embedding FPGA GPIOs with an I2C interface.

This driver supports TS-4900, TS-7970, TS-7990 and TS-4100 series.

Signed-off-by: Lucile Quirion <lucile.quirion@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-19 11:04:53 +02:00
Lucile Quirion 4cebaf17ec gpio: add bindings for Technologic I2C-FPGA gpio controller
Device tree binding documentation for Technologic's I2C-FPGA GPIO
controller.

Signed-off-by: Lucile Quirion <lucile.quirion@savoirfairelinux.com>
[Quirked in a reference to gpio.txt]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-19 11:02:57 +02:00
Andrew F. Davis ccb3611f5a gpio: dt-bindings: remove ti,tps65086-gpio binding
This binding is no longer correct, the GPIO information can should be
added to the parent node and not into this child node. See
Documentation/devicetree/bindings/mfd/tps65086.txt for the correct usage.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-19 10:57:14 +02:00
Masahiro Yamada acf06ff76c gpio: refactor gpiochip_find() slightly
The if...else... block after the loop can be dropped with
a slight refactoring.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-19 10:55:08 +02:00
Linus Torvalds 694d0d0bb2 Linux 4.8-rc2 2016-08-14 19:11:36 -07:00
Linus Torvalds 0043ee40f9 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal updates from Zhang Rui:

 - Fix a race condition when updating cooling device, which may lead to
   a situation where a thermal governor never updates the cooling
   device.  From Michele Di Giorgio.

 - Fix a zero division error when disabling the forced idle injection
   from the intel powerclamp.  From Petr Mladek.

 - Add suspend/resume callback for intel_pch_thermal thermal driver.
   From Srinivas Pandruvada.

 - Another two fixes for clocking cooling driver and hwmon sysfs I/F.
   From Michele Di Giorgio and Kuninori Morimoto.

[ Hmm.  That suspend/resume callback for intel_pch_thermal doesn't look
  like a fix, but I'm letting it slide..  - Linus ]

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  thermal: clock_cooling: Fix missing mutex_init()
  thermal: hwmon: EXPORT_SYMBOL_GPL for thermal hwmon sysfs
  thermal: fix race condition when updating cooling device
  thermal/powerclamp: Prevent division by zero when counting interval
  thermal: intel_pch_thermal: Add suspend/resume callback
2016-08-14 19:01:31 -07:00
Linus Torvalds 4ef870e373 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu fix from Greg Ungerer:
 "This contains only a single fix for a register corruption problem on
  certain types of m68k flat format binaries"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: fix user a5 register being overwritten
2016-08-14 18:54:37 -07:00
Linus Torvalds 118253a593 h8300 and unicore32 architecture fixes
Two patches to fix h8300 and unicore32 builds.
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Merge tag 'fixes-for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull h8300 and unicore32 architecture fixes from Guenter Roeck:
 "Two patches to fix h8300 and unicore32 builds.

  unicore32 builds have been broken since v4.6.  The fix has been
  available in -next since March of this year.

  h8300 builds have been broken since the last commit window.  The fix
  has been available in -next since June of this year"

* tag 'fixes-for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  h8300: Add missing include file to asm/io.h
  unicore32: mm: Add missing parameter to arch_vma_access_permitted
2016-08-13 19:39:38 -07:00
Linus Torvalds 120c54751b arm64 fixes:
- Support for nr_cpus= command line argument (maxcpus was previously
   changed to allow secondary CPUs to be hot-plugged)
 
 - ARM PMU interrupt handling fix
 
 - Fix potential TLB conflict in the hibernate code
 
 - Improved handling of EL1 instruction aborts (better error reporting)
 
 - Removal of useless jprobes code for stack saving/restoring
 
 - defconfig updates
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - support for nr_cpus= command line argument (maxcpus was previously
   changed to allow secondary CPUs to be hot-plugged)

 - ARM PMU interrupt handling fix

 - fix potential TLB conflict in the hibernate code

 - improved handling of EL1 instruction aborts (better error reporting)

 - removal of useless jprobes code for stack saving/restoring

 - defconfig updates

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: defconfig: enable CONFIG_LOCALVERSION_AUTO
  arm64: defconfig: add options for virtualization and containers
  arm64: hibernate: handle allocation failures
  arm64: hibernate: avoid potential TLB conflict
  arm64: Handle el1 synchronous instruction aborts cleanly
  arm64: Remove stack duplicating code from jprobes
  drivers/perf: arm-pmu: Fix handling of SPI lacking "interrupt-affinity" property
  drivers/perf: arm-pmu: convert arm_pmu_mutex to spinlock
  arm64: Support hard limit of cpu count by nr_cpus
2016-08-13 19:29:46 -07:00
Linus Torvalds 329f415291 KVM locks kvm_device list to prevent corruption on device creation.
PPC splits debugfs initialization from creation of the xics device to
 unlock the newly taken kvm lock earlier.
 
 s390 prevents userspace from triggering two WARN_ON_ONCE.
 
 MIPS fixes several issues in the management of TLB faults (Cc: stable).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "KVM:
   - lock kvm_device list to prevent corruption on device creation.

  PPC:
   - split debugfs initialization from creation of the xics device to
     unlock the newly taken kvm lock earlier.

  s390:
   - prevent userspace from triggering two WARN_ON_ONCE.

  MIPS:
   - fix several issues in the management of TLB faults (Cc: stable)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  MIPS: KVM: Propagate kseg0/mapped tlb fault errors
  MIPS: KVM: Fix gfn range check in kseg0 tlb faults
  MIPS: KVM: Add missing gfn range check
  MIPS: KVM: Fix mapped fault broken commpage handling
  KVM: Protect device ops->create and list_add with kvm->lock
  KVM: PPC: Move xics_debugfs_init out of create
  KVM: s390: reset KVM_REQ_MMU_RELOAD if mapping the prefix failed
  KVM: s390: set the prefix initially properly
2016-08-13 10:11:14 -07:00
Linus Torvalds a1e210331b Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:

 - an NVMe fix from Gabriel, fixing a suspend/resume issue on some
   setups

 - addition of a few missing entries in the block queue sysfs
   documentation, from Joe

 - a fix for a sparse shadow warning for the bvec iterator, from
   Johannes

 - a writeback deadlock involving raid issuing barriers, and not
   flushing the plug when we wakeup the flusher threads.  From
   Konstantin

 - a set of patches for the NVMe target/loop/rdma code, from Roland and
   Sagi

* 'for-linus' of git://git.kernel.dk/linux-block:
  bvec: avoid variable shadowing warning
  doc: update block/queue-sysfs.txt entries
  nvme: Suspend all queues before deletion
  mm, writeback: flush plugged IO in wakeup_flusher_threads()
  nvme-rdma: Remove unused includes
  nvme-rdma: start async event handler after reconnecting to a controller
  nvmet: Fix controller serial number inconsistency
  nvmet-rdma: Don't use the inline buffer in order to avoid allocation for small reads
  nvmet-rdma: Correctly handle RDMA device hot removal
  nvme-rdma: Make sure to shutdown the controller if we can
  nvme-loop: Remove duplicate call to nvme_remove_namespaces
  nvme-rdma: Free the I/O tags when we delete the controller
  nvme-rdma: Remove duplicate call to nvme_remove_namespaces
  nvme-rdma: Fix device removal handling
  nvme-rdma: Queue ns scanning after a sucessful reconnection
  nvme-rdma: Don't leak uninitialized memory in connect request private data
2016-08-13 09:56:45 -07:00
Guenter Roeck 2b05980d89 h8300: Add missing include file to asm/io.h
h8300 builds fail with

arch/h8300/include/asm/io.h:9:15: error: unknown type name ‘u8’
arch/h8300/include/asm/io.h:15:15: error: unknown type name ‘u16’
arch/h8300/include/asm/io.h:21:15: error: unknown type name ‘u32’

and many related errors.

Fixes: 23c82d41bdf4 ("kexec-allow-architectures-to-override-boot-mapping-fix")
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-08-13 08:53:56 -07:00
Guenter Roeck 783011b130 unicore32: mm: Add missing parameter to arch_vma_access_permitted
unicore32 fails to compile with the following errors.

mm/memory.c: In function ‘__handle_mm_fault’:
mm/memory.c:3381: error:
	too many arguments to function ‘arch_vma_access_permitted’
mm/gup.c: In function ‘check_vma_flags’:
mm/gup.c:456: error:
	too many arguments to function ‘arch_vma_access_permitted’
mm/gup.c: In function ‘vma_permits_fault’:
mm/gup.c:640: error:
	too many arguments to function ‘arch_vma_access_permitted’

Fixes: d61172b4b6 ("mm/core, x86/mm/pkeys: Differentiate instruction fetches")
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2016-08-13 08:53:18 -07:00
Linus Torvalds f31494bd05 VFIO fixes for v4.8-rc2
- Fix oopses dereferencing empty data (Alex Williamson)
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Merge tag 'vfio-v4.8-rc2' of git://github.com/awilliam/linux-vfio

Pull VFIO fix from Alex Williamson:
 "Fix oops when dereferencing empty data (Alex Williamson)"

* tag 'vfio-v4.8-rc2' of git://github.com/awilliam/linux-vfio:
  vfio/pci: Fix NULL pointer oops in error interrupt setup handling
2016-08-12 16:34:58 -07:00
Linus Torvalds b112324c2b Fixes for the dentry refcounting leak I introduced in 4.8-rc1, and for
races in the LOCK code which appear to go back to the big nfsd state
 lock removal from 3.17.
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Merge tag 'nfsd-4.8-1' of git://linux-nfs.org/~bfields/linux

Pull nfsd fixes from Bruce Fields:
 "Fixes for the dentry refcounting leak I introduced in 4.8-rc1, and for
  races in the LOCK code which appear to go back to the big nfsd state
  lock removal from 3.17"

* tag 'nfsd-4.8-1' of git://linux-nfs.org/~bfields/linux:
  nfsd: don't return an unhashed lock stateid after taking mutex
  nfsd: Fix race between FREE_STATEID and LOCK
  nfsd: fix dentry refcounting on create
2016-08-12 16:28:41 -07:00
Linus Torvalds 9710cb6624 Power management fixes for v4.8-rc2
- Fix the x86 identity mapping creation helpers to avoid the
    assumption that the base address of the mapping will always be
    aligned at the PGD level, as it may be aligned at the PUD level
    if address space randomization is enabled (Rafael Wysocki).
 
  - Fix the hibernation core to avoid executing tracing functions
    before restoring the processor state completely during resume
    (Thomas Garnier).
 
  - Fix a recently introduced regression in the powernv cpufreq
    driver that causes it to crash due to an out-of-bounds array
    access (Akshay Adiga).
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Merge tag 'pm-4.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "Two hibernation fixes allowing it to work with the recently added
  randomization of the kernel identity mapping base on x86-64 and one
  cpufreq driver regression fix.

  Specifics:

   - Fix the x86 identity mapping creation helpers to avoid the
     assumption that the base address of the mapping will always be
     aligned at the PGD level, as it may be aligned at the PUD level if
     address space randomization is enabled (Rafael Wysocki).

   - Fix the hibernation core to avoid executing tracing functions
     before restoring the processor state completely during resume
     (Thomas Garnier).

   - Fix a recently introduced regression in the powernv cpufreq driver
     that causes it to crash due to an out-of-bounds array access
     (Akshay Adiga)"

* tag 'pm-4.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM / hibernate: Restore processor state before using per-CPU variables
  x86/power/64: Always create temporary identity mapping correctly
  cpufreq: powernv: Fix crash in gpstate_timer_handler()
2016-08-12 16:23:58 -07:00
Linus Torvalds 01ea443982 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "This is bigger than usual - the reason is partly a pent-up stream of
  fixes after the merge window and partly accidental.  The fixes are:

   - five patches to fix a boot failure on Andy Lutomirsky's laptop
   - four SGI UV platform fixes
   - KASAN fix
   - warning fix
   - documentation update
   - swap entry definition fix
   - pkeys fix
   - irq stats fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic/x2apic, smp/hotplug: Don't use before alloc in x2apic_cluster_probe()
  x86/efi: Allocate a trampoline if needed in efi_free_boot_services()
  x86/boot: Rework reserve_real_mode() to allow multiple tries
  x86/boot: Defer setup_real_mode() to early_initcall time
  x86/boot: Synchronize trampoline_cr4_features and mmu_cr4_features directly
  x86/boot: Run reserve_bios_regions() after we initialize the memory map
  x86/irq: Do not substract irq_tlb_count from irq_call_count
  x86/mm: Fix swap entry comment and macro
  x86/mm/kaslr: Fix -Wformat-security warning
  x86/mm/pkeys: Fix compact mode by removing protection keys' XSAVE buffer manipulation
  x86/build: Reduce the W=1 warnings noise when compiling x86 syscall tables
  x86/platform/UV: Fix kernel panic running RHEL kdump kernel on UV systems
  x86/platform/UV: Fix problem with UV4 BIOS providing incorrect PXM values
  x86/platform/UV: Fix bug with iounmap() of the UV4 EFI System Table causing a crash
  x86/platform/UV: Fix problem with UV4 Socket IDs not being contiguous
  x86/entry: Clarify the RF saving/restoring situation with SYSCALL/SYSRET
  x86/mm: Disable preemption during CR3 read+write
  x86/mm/KASLR: Increase BRK pages for KASLR memory randomization
  x86/mm/KASLR: Fix physical memory calculation on KASLR memory randomization
  x86, kasan, ftrace: Put APIC interrupt handlers into .irqentry.text
2016-08-12 14:31:10 -07:00
Linus Torvalds 3bc6d8c155 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
 "Misc fixes: a /dev/rtc regression fix, two APIC timer period
  calibration fixes, an ARM clocksource driver fix and a NOHZ
  power use regression fix"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/hpet: Fix /dev/rtc breakage caused by RTC cleanup
  x86/timers/apic: Inform TSC deadline clockevent device about recalibration
  x86/timers/apic: Fix imprecise timer interrupts by eliminating TSC clockevents frequency roundoff error
  timers: Fix get_next_timer_interrupt() computation
  clocksource/arm_arch_timer: Force per-CPU interrupt to be level-triggered
2016-08-12 13:55:06 -07:00