Commit graph

1058092 commits

Author SHA1 Message Date
Andy Shevchenko 45a541a610 gpio: Setup parent device and get rid of unnecessary of_node assignment
Some of the drivers do not set parent device. This may lead to obstacles
during debugging or understanding the device relations from the Linux
point of view. Assign parent device for GPIO chips created by these
drivers.

While at it, let GPIO library to assign of_node from the parent device.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 17:44:19 +01:00
Andy Shevchenko 448cf90513 gpio: Get rid of duplicate of_node assignment in the drivers
GPIO library does copy the of_node from the parent device of
the GPIO chip, there is no need to repeat this in the individual
drivers. Remove these assignment all at once.

For the details one may look into the of_gpio_dev_init() implementation.

While at it, remove duplicate parent device assignment where it is the case.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-By: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 17:39:35 +01:00
Bartosz Golaszewski ca7e7822d1 Merge tag 'intel-gpio-v5.17-1' of gitolite.kernel.org:pub/scm/linux/kernel/git/andy/linux-gpio-intel into gpio/for-next
intel-gpio for v5.17-1

- Don't set type for IRQ already in use in case of ACPI
- Drop unused call from GPIO ACPI library
- Clean up ML IOH and PCH GPIO drivers to make it closer to each other
- Clarify use of register file version in DesignWare driver
- other minor tweaks
2021-12-17 12:26:14 +01:00
Peter Rosin c73960bb0a gpiolib: allow line names from device props to override driver names
Some GPIO providers set names for GPIO lines that match the names of
the pins on the SoC, or variations on that theme. These names are
generic more often that not, such as pioC12 in the at91 case. These
generic names block the possibility to set more useful GPIO line
names with device properties (i.e. gpio-line-names).

Allow overriding a generic name given by the GPIO driver if there is
a name given to the GPIO line using device properties, but leave the
generic name alone if no better name is available.

However, there is a risk. If user space is depending on the above
mentioned fixed GPIO names, AND there are device properties that
previously did not reach the surface, the name change might cause
regressions. But hopefully this stays below the radar...

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Alexander Dahl <ada@thorsis.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:14 +01:00
Bartosz Golaszewski 36ccddf80e selftests: gpio: gpio-sim: avoid forking test twice
Use '-o' within [] in order to avoid spawning two processes for test.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-17 12:26:13 +01:00
Bartosz Golaszewski f7eda6fe03 selftests: gpio: gpio-sim: remove bashisms
'==' is a bashisms and not understood by POSIX shell. Drop it from
gpio-sim selftests.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Hsu Yuchang 2ac5eb840f gpio: amdpt: add new device ID and 24-pin support
Add an ACPI HID(AMDIF031) and pin number in the pt_gpio_acpi_match.

Signed-off-by: Yuchang Hsu <Richard_Hsu@asmedia.com.tw>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Prathamesh Shete 1db9b241bb gpio: tegra186: Add support for Tegra234
Extend the existing Tegra186 GPIO controller driver with support for the
GPIO controller found on Tegra234. While the programming model remains
the same, the number of pins has slightly changed.

Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Prathamesh Shete a8b10f3d12 dt-bindings: gpio: Add Tegra234 support
Extend the existing Tegra186 GPIO controller device tree bindings with
support for the GPIO controller found on Tegra234. The number of pins is
slightly different, but the programming model remains the same.

Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
[treding@nvidia.com: update device tree bindings]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Thierry Reding 7501815ffd dt-bindings: gpio: tegra186: Convert to json-schema
Convert the Tegra186 GPIO controller device tree bindings from free-form
text format to json-schema.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Thierry Reding 40dc227031 dt-bindings: gpio: tegra: Convert to json-schema
Convert the NVIDIA Tegra GPIO controller device tree bindings from
free-form text format to json-schema.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Jason Wang 34d9841b4b gpio: sta2x11: fix typo in a comment
The double `all' in the comment in line 327 is repeated. Remove one
of them from the comment.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Bartosz Golaszewski 1d96b8f635 selftests: gpio: add test cases for gpio-sim
Add a set of tests for the new gpio-sim module. This is a pure shell
test-suite and uses the helper programs available in the gpio selftests
directory. These test-cases only test the functionalities exposed by the
gpio-sim driver, not those handled by core gpiolib code.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Bartosz Golaszewski b2bb90c80a selftests: gpio: add a helper for reading GPIO line names
Add a simple program that allows to read GPIO line names from the
character device. This will be used in gpio-sim selftests.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Bartosz Golaszewski 16c138f338 selftests: gpio: provide a helper for reading chip info
Add a simple program that allows to retrieve chip properties from the
GPIO character device. This will be used in gpio-sim selftests.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-17 12:26:13 +01:00
Bartosz Golaszewski cb8c474e79 gpio: sim: new testing module
Implement a new, modern GPIO testing module controlled by configfs
attributes instead of module parameters. The goal of this driver is
to provide a replacement for gpio-mockup that will be easily extensible
with new features and doesn't require reloading the module to change
the setup.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2021-12-17 12:26:13 +01:00
Bartosz Golaszewski ac627260cf gpiolib: of: make fwnode take precedence in struct gpio_chip
If the driver sets the fwnode in struct gpio_chip, let it take
precedence over the of_node. This only affects OF-based systems,
ACPI needs to be converted separately.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2021-12-17 12:26:13 +01:00
Bartosz Golaszewski 990f6756bb gpiolib: allow to specify the firmware node in struct gpio_chip
Software nodes allow us to represent hierarchies for device components
that don't have their struct device representation yet - for instance:
banks of GPIOs under a common GPIO expander. The core gpiolib core
however doesn't offer any way of passing this information from the
drivers.

This extends struct gpio_chip with a pointer to fwnode that can be set
by the driver and used to pass device properties for child nodes.

This is similar to how we handle device-tree sub-nodes with
CONFIG_OF_GPIO enabled.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2021-12-17 12:26:12 +01:00
Bartosz Golaszewski dd61b29207 gpiolib: provide gpiod_remove_hogs()
Currently all users of gpiod_add_hogs() call it only once at system
init so there never was any need for a mechanism allowing to remove
them. Now the upcoming gpio-sim will need to tear down chips with hogged
lines so provide a function that allows to remove hogs.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2021-12-17 12:26:12 +01:00
Jason Wang 9d5f0f6644 gpio: sch: fix typo in a comment
The double `the' in the comment in line 142 is repeated. Remove one
of them from the comment.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-13 13:29:09 +02:00
Iwona Winiarska ab39d6988d gpio: aspeed-sgpio: Convert aspeed_sgpio.lock to raw_spinlock
The gpio-aspeed-sgpio driver implements an irq_chip which need to be
invoked from hardirq context. Since spin_lock() can sleep with
PREEMPT_RT, it is no longer legal to invoke it while interrupts are
disabled.
This also causes lockdep to complain about:
[   25.919465] [ BUG: Invalid wait context ]
because aspeed_sgpio.lock (spin_lock_t) is taken under irq_desc.lock
(raw_spinlock_t).
Let's use of raw_spinlock_t instead of spinlock_t.

Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-10 16:14:51 +01:00
Iwona Winiarska 61a7904b6a gpio: aspeed: Convert aspeed_gpio.lock to raw_spinlock
The gpio-aspeed driver implements an irq_chip which need to be invoked
from hardirq context. Since spin_lock() can sleep with PREEMPT_RT, it is
no longer legal to invoke it while interrupts are disabled.
This also causes lockdep to complain about:
[    0.649797] [ BUG: Invalid wait context ]
because aspeed_gpio.lock (spin_lock_t) is taken under irq_desc.lock
(raw_spinlock_t).
Let's use of raw_spinlock_t instead of spinlock_t.

Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-10 16:14:40 +01:00
Bartosz Golaszewski 9dbd1ab205 gpiolib: check the 'ngpios' property in core gpiolib code
Several drivers read the 'ngpios' device property on their own, but
since it's defined as a standard GPIO property in the device tree bindings
anyway, it's a good candidate for generalization. If the driver didn't
set its gc->ngpio, try to read the 'ngpios' property from the GPIO
device's firmware node before bailing out.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-06 16:02:17 +01:00
Bartosz Golaszewski e5ab49cd3d gpiolib: improve coding style for local variables
Drop unneeded whitespaces and put the variables of the same type
together for consistency with the rest of the code.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-06 15:58:46 +01:00
Rob Herring e320d9c2e9 gpio: xlp: Fix build errors from Netlogic XLP removal
Commit ea708ac5bf ("gpio: xlp: Remove Netlogic XLP variants") has
build errors with CONFIG_ACPI:

drivers/gpio/gpio-xlp.c:300:23: error: 'GPIO_VARIANT_VULCAN' undeclared here (not in a function)

and !CONFIG_OF:

drivers/gpio/gpio-xlp.c:267:11: error: 'struct gpio_chip' has no member named 'of_node'

Fix these errors.

Fixes: ea708ac5bf ("gpio: xlp: Remove Netlogic XLP variants")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-03 16:00:40 +01:00
John Keeping adc8b4bf2a gpio: rockchip: lock GPIOs used as interrupts
Use the standard gpiochip request/release resource functions so that any
GPIOs used as interrupts are properly locked.  This allows libgpiod to
correctly show these GPIOs as in-use.

Signed-off-by: John Keeping <john@metanate.com>
Tested-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-03 15:59:10 +01:00
Geert Uytterhoeven a00128dfc8 gpio: aggregator: Add interrupt support
Currently the GPIO Aggregator does not support interrupts.  This means
that kernel drivers going from a GPIO to an IRQ using gpiod_to_irq(),
and userspace applications using line events do not work.

Add interrupt support by providing a gpio_chip.to_irq() callback, which
just calls into the parent GPIO controller.

Note that this does not implement full interrupt controller (irq_chip)
support, so using e.g. gpio-keys with "interrupts" instead of "gpios"
still does not work.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-03 15:54:31 +01:00
Geert Uytterhoeven 49fdfe6640 gpiolib: Let gpiod_add_lookup_table() call gpiod_add_lookup_tables()
This saves 20 bytes on arm32, and 44 bytes on arm64.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-03 15:47:16 +01:00
Andy Shevchenko e1610431b9 gpio: dwapb: clarify usage of the register file version
First of all, it's obvious that different versions can't be provided
simultaneously. Hence, versions can't be bit masks.

Second, due to above we have to mask out the version field in the flags
and only that can be evaluated against the certain version.

Clarify all above by:
 - introducing GPIO_REG_OFFSET_V1 and GPIO_REG_OFFSET_MASK
 - replacing conditional to mask out bits and compare to a version

Luckily there is no functional change, so no need to backport this.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-01 15:13:05 +02:00
Bjorn Helgaas 7bc14ff295 gpio: ml-ioh: Change whitespace to match gpio-pch.c
The ML IOH driver is very similar to the PCH driver.  To make it more
similar, tweak the whitespace in ioh_gpio_direction_output() and
ioh_gpio_direction_input().  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-01 15:10:26 +02:00
Bjorn Helgaas 46155a0c55 gpio: ml-ioh: Use BIT() to match gpio-pch.c
The ML IOH driver is very similar to the PCH driver.  To make it more
similar, replace "1 << nr" with "BIT(nr)".  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-01 15:10:26 +02:00
Bjorn Helgaas 06939f22ae gpio: ml-ioh: Cache &pdev->dev to reduce repetition
ioh_gpio_probe() repeats the "&pdev->dev" expression several times.  Cache
the result as "struct device *dev" to reduce the repetition.  No functional
change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-01 15:10:26 +02:00
Bjorn Helgaas 2822b02765 gpio: pch: Cache &pdev->dev to reduce repetition
pch_gpio_probe() repeats the "&pdev->dev" expression several times.  Cache
the result as "struct device *dev" to reduce the repetition.  No functional
change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-01 15:10:26 +02:00
Bjorn Helgaas 82b2cd4c8c gpio: pch: Use .driver_data instead of checking Device IDs again
Previously, pch_gpio_probe() tested the Device ID to determine the type of
IOH.  But the driver core has already matched the Device ID with one of the
IDs in the pch_gpio_pcidev_id[] table, and we can supply the IOH type there
as .driver_data.

Use the pci_device_id.driver_data to learn the IOH type instead of testing
the Device ID again.

No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-12-01 15:10:25 +02:00
Geert Uytterhoeven 4f45348934 dt-bindings: gpio: sifive,gpio: Group interrupt tuples
To improve human readability and enable automatic validation, the tuples
in "interrupts" properties should be grouped using angle brackets.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-12-01 09:31:12 +01:00
Andy Shevchenko be3dc15ffe gpiolib: acpi: Unify debug and other messages format
When ACPI device pointer available use it, otherwise take parent of GPIO chip.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-11-25 23:38:04 +02:00
Hans de Goede bdfd6ab8fd gpiolib: acpi: Do not set the IRQ type if the IRQ is already in use
If the IRQ is already in use, then acpi_dev_gpio_irq_get_by() really
should not change the type underneath the current owner.

I specifically hit an issue with this an a Chuwi Hi8 Super (CWI509) Bay
Trail tablet, when the Boot OS selection in the BIOS is set to Android.
In this case _STA for a MAX17047 ACPI I2C device wrongly returns 0xf and
the _CRS resources for this device include a GpioInt pointing to a GPIO
already in use by an _AEI handler, with a different type then specified
in the _CRS for the MAX17047 device. Leading to the acpi_dev_gpio_irq_get()
call done by the i2c-core-acpi.c code changing the type breaking the
_AEI handler.

Now this clearly is a bug in the DSDT of this tablet (in Android mode),
but in general calling irq_set_irq_type() on an IRQ which already is
in use seems like a bad idea.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-11-25 23:38:04 +02:00
Andy Shevchenko 2ff64a84bb gpiolib: acpi: shrink devm_acpi_dev_add_driver_gpios()
If all we want to manage is a single pointer, there's no need to
manually allocate and add a new devres. We can simply use
devm_add_action_or_reset() and shrink the code by a good bit.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2021-11-15 13:31:44 +02:00
Andy Shevchenko 507805b83f gpiolib: acpi: Remove never used devm_acpi_dev_remove_driver_gpios()
Remove never used devm_acpi_dev_remove_driver_gpios().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2021-11-15 13:31:44 +02:00
Rob Herring ea708ac5bf gpio: xlp: Remove Netlogic XLP variants
Netlogic XLP was removed in commit 95b8a5e011 ("MIPS: Remove NETLOGIC
support"). With those gone, the single platform left to support is
Cavium ThunderX2. Remove all the Netlogic variants and DT support.

For simplicity, the existing kconfig name is retained.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-11-15 12:23:08 +01:00
Jacky Bai c61d8b5791 dt-bindings: gpio: gpio-vf610: Add imx8ulp compatible string
Add the compatible string for i.MX8ULP.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2021-11-15 11:50:21 +01:00
Linus Torvalds fa55b7dcdc Linux 5.16-rc1 2021-11-14 13:56:52 -08:00
Gustavo A. R. Silva dee2b702bc kconfig: Add support for -Wimplicit-fallthrough
Add Kconfig support for -Wimplicit-fallthrough for both GCC and Clang.

The compiler option is under configuration CC_IMPLICIT_FALLTHROUGH,
which is enabled by default.

Special thanks to Nathan Chancellor who fixed the Clang bug[1][2]. This
bugfix only appears in Clang 14.0.0, so older versions still contain
the bug and -Wimplicit-fallthrough won't be enabled for them, for now.

This concludes a long journey and now we are finally getting rid
of the unintentional fallthrough bug-class in the kernel, entirely. :)

Link: 9ed4a94d64 [1]
Link: https://bugs.llvm.org/show_bug.cgi?id=51094 [2]
Link: https://github.com/KSPP/linux/issues/115
Link: https://github.com/ClangBuiltLinux/linux/issues/236
Co-developed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Co-developed-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-11-14 13:27:30 -08:00
Linus Torvalds ce49bfc8d0 Minor tweaks for 5.16:
* Clean up open-coded swap() calls.
  * A little bit of #ifdef golf to complete the reunification of the
    kernel and userspace libxfs source code.
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Merge tag 'xfs-5.16-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs cleanups from Darrick Wong:
 "The most 'exciting' aspect of this branch is that the xfsprogs
  maintainer and I have worked through the last of the code
  discrepancies between kernel and userspace libxfs such that there are
  no code differences between the two except for #includes.

  IOWs, diff suffices to demonstrate that the userspace tools behave the
  same as the kernel, and kernel-only bits are clearly marked in the
  /kernel/ source code instead of just the userspace source.

  Summary:

   - Clean up open-coded swap() calls.

   - A little bit of #ifdef golf to complete the reunification of the
     kernel and userspace libxfs source code"

* tag 'xfs-5.16-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: sync xfs_btree_split macros with userspace libxfs
  xfs: #ifdef out perag code for userspace
  xfs: use swap() to make dabtree code cleaner
2021-11-14 12:18:22 -08:00
Linus Torvalds c3b68c27f5 parisc architecture build-, trace-, backtrace- and page table fixes
Fix a build error in stracktrace.c, fix resolving of addresses to
 function names in backtraces, fix single-stepping in assembly code
 and flush userspace pte's when using set_pte_at().
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Merge tag 'for-5.16/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull more parisc fixes from Helge Deller:
 "Fix a build error in stracktrace.c, fix resolving of addresses to
  function names in backtraces, fix single-stepping in assembly code and
  flush userspace pte's when using set_pte_at()"

* tag 'for-5.16/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc/entry: fix trace test in syscall exit path
  parisc: Flush kernel data mapping in set_pte_at() when installing pte for user page
  parisc: Fix implicit declaration of function '__kernel_text_address'
  parisc: Fix backtrace to always include init funtion names
2021-11-14 11:53:59 -08:00
Linus Torvalds 24318ae80d arch/sh updates for 5.16
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Merge tag 'sh-for-5.16' of git://git.libc.org/linux-sh

Pull arch/sh updates from Rich Felker.

* tag 'sh-for-5.16' of git://git.libc.org/linux-sh:
  sh: pgtable-3level: Fix cast to pointer from integer of different size
  sh: fix READ/WRITE redefinition warnings
  sh: define __BIG_ENDIAN for math-emu
  sh: math-emu: drop unused functions
  sh: fix kconfig unmet dependency warning for FRAME_POINTER
  sh: Cleanup about SPARSE_IRQ
  sh: kdump: add some attribute to function
  maple: fix wrong return value of maple_bus_init().
  sh: boot: avoid unneeded rebuilds under arch/sh/boot/compressed/
  sh: boot: add intermediate vmlinux.bin* to targets instead of extra-y
  sh: boards: Fix the cacography in irq.c
  sh: check return code of request_irq
  sh: fix trivial misannotations
2021-11-14 11:37:49 -08:00
Linus Torvalds 6ea45c57dc ARM fixes for 5.16-rc1:
- Fix early_iounmap
 - Drop cc-option fallbacks for architecture selection
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:

 - Fix early_iounmap

 - Drop cc-option fallbacks for architecture selection

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9156/1: drop cc-option fallbacks for architecture selection
  ARM: 9155/1: fix early early_iounmap()
2021-11-14 11:30:50 -08:00
Linus Torvalds 0d1503d8d8 Devicetree fixes for v5.16, take 1:
- 2 fixes due to DT node name changes on Arm, Ltd. boards
 
 - Treewide rename of Ingenic CGU headers
 
 - Update ST email addresses
 
 - Remove Netlogic DT bindings
 
 - Dropping few more cases of redundant 'maxItems' in schemas
 
 - Convert toshiba,tc358767 bridge binding to schema
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Merge tag 'devicetree-fixes-for-5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Two fixes due to DT node name changes on Arm, Ltd. boards

 - Treewide rename of Ingenic CGU headers

 - Update ST email addresses

 - Remove Netlogic DT bindings

 - Dropping few more cases of redundant 'maxItems' in schemas

 - Convert toshiba,tc358767 bridge binding to schema

* tag 'devicetree-fixes-for-5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: watchdog: sunxi: fix error in schema
  bindings: media: venus: Drop redundant maxItems for power-domain-names
  dt-bindings: Remove Netlogic bindings
  clk: versatile: clk-icst: Ensure clock names are unique
  of: Support using 'mask' in making device bus id
  dt-bindings: treewide: Update @st.com email address to @foss.st.com
  dt-bindings: media: Update maintainers for st,stm32-hwspinlock.yaml
  dt-bindings: media: Update maintainers for st,stm32-cec.yaml
  dt-bindings: mfd: timers: Update maintainers for st,stm32-timers
  dt-bindings: timer: Update maintainers for st,stm32-timer
  dt-bindings: i2c: imx: hardware do not restrict clock-frequency to only 100 and 400 kHz
  dt-bindings: display: bridge: Convert toshiba,tc358767.txt to yaml
  dt-bindings: Rename Ingenic CGU headers to ingenic,*.h
2021-11-14 11:11:51 -08:00
Linus Torvalds 622c72b651 A single fix for POSIX CPU timers to address a problem where POSIX CPU
timer delivery stops working for a new child task because copy_process()
 copies state information which is only valid for the parent task.
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Merge tag 'timers-urgent-2021-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Thomas Gleixner:
 "A single fix for POSIX CPU timers to address a problem where POSIX CPU
  timer delivery stops working for a new child task because
  copy_process() copies state information which is only valid for the
  parent task"

* tag 'timers-urgent-2021-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  posix-cpu-timers: Clear task::posix_cputimers_work in copy_process()
2021-11-14 10:43:38 -08:00
Linus Torvalds c36e33e2f4 A set of fixes for the interrupt subsystem:
- Core code:
 
     A regression fix for the Open Firmware interrupt mapping code where a
     interrupt controller property in a node caused a map property in the
     same node to be ignored.
 
   - Interrupt chip drivers:
 
     - Workaround a limitation in SiFive PLIC interrupt chip which silently
       ignores an EOI when the interrupt line is masked.
 
     - Provide the missing mask/unmask implementation for the CSKY MP
       interrupt controller.
 
   - PCI/MSI:
 
     - Prevent a use after free when PCI/MSI interrupts are released by
       destroying the sysfs entries before freeing the memory which is
       accessed in the sysfs show() function.
 
     - Implement a mask quirk for the Nvidia ION AHCI chip which does not
       advertise masking capability despite implementing it. Even worse the
       chip comes out of reset with all MSI entries masked, which due to the
       missing masking capability never get unmasked.
 
     - Move the check which prevents accessing the MSI[X] masking for XEN
       back into the low level accessors. The recent consolidation missed
       that these accessors can be invoked from places which do not have
       that check which broke XEN. Move them back to he original place
       instead of sprinkling tons of these checks all over the code.
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Merge tag 'irq-urgent-2021-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "A set of fixes for the interrupt subsystem

  Core code:

   - A regression fix for the Open Firmware interrupt mapping code where
     a interrupt controller property in a node caused a map property in
     the same node to be ignored.

  Interrupt chip drivers:

   - Workaround a limitation in SiFive PLIC interrupt chip which
     silently ignores an EOI when the interrupt line is masked.

   - Provide the missing mask/unmask implementation for the CSKY MP
     interrupt controller.

  PCI/MSI:

   - Prevent a use after free when PCI/MSI interrupts are released by
     destroying the sysfs entries before freeing the memory which is
     accessed in the sysfs show() function.

   - Implement a mask quirk for the Nvidia ION AHCI chip which does not
     advertise masking capability despite implementing it. Even worse
     the chip comes out of reset with all MSI entries masked, which due
     to the missing masking capability never get unmasked.

   - Move the check which prevents accessing the MSI[X] masking for XEN
     back into the low level accessors. The recent consolidation missed
     that these accessors can be invoked from places which do not have
     that check which broke XEN. Move them back to he original place
     instead of sprinkling tons of these checks all over the code"

* tag 'irq-urgent-2021-11-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  of/irq: Don't ignore interrupt-controller when interrupt-map failed
  irqchip/sifive-plic: Fixup EOI failed when masked
  irqchip/csky-mpintc: Fixup mask/unmask implementation
  PCI/MSI: Destroy sysfs before freeing entries
  PCI: Add MSI masking quirk for Nvidia ION AHCI
  PCI/MSI: Deal with devices lying about their MSI mask capability
  PCI/MSI: Move non-mask check back into low level accessors
2021-11-14 10:38:27 -08:00