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There is a few things done:
- include only the headers we are direct user of
- when pointer is in use, provide a forward declaration
- add missing headers
- group generic headers and subsystem headers
- sort each group alphabetically
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Core GPIOLIB:
- drop several OF interfaces after moving a significant part of the code to
using software nodes
- remove more interfaces referring to the global GPIO numberspace that we're
getting rid of
- improvements in the gpio-regmap library
- add helper for GPIO device reference counting
- remove unused APIs
- minor tweaks like sorting headers alphabetically
Extended support in existing drivers:
- add support for Tegra 234 PMC to gpio-tegra186
Driver improvements:
- migrate the 104-dio/idi family of drivers to using the regmap-irq API
- migrate gpio-i8255 and gpio-mm to the GPIO regmap API
- clean-ups in gpio-pca953x
- remove duplicate assignments of of_gpio_n_cells in gpio-davinci, gpio-ge,
gpio-xilinx, gpio-zevio and gpio-wcd934x
- improvements to gpio-pcf857x: implement get/set_multiple callbacks, use
generic device properties instead of OF + minor tweaks
- fix OF-related header includes and Kconfig dependencies in gpio-zevio
- dynamically allocate the GPIO base in gpio-omap
- use a dedicated printf specifier for printing fwnode info in gpio-sim
- use dev_name() for the GPIO chip label in gpio-vf610
- other minor tweaks and fixes
Documentation:
- remove mentions of legacy API from comments in various places
- convert the DT binding documents to YAML schema for Fujitsu MB86S7x, Unisoc
GPIO and Unisoc EIC
- document the Unisoc UMS512 controller in DT bindings
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Merge tag 'gpio-updates-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"A rather small update, there are no new drivers, just improvements and
refactoring in existing ones.
Thanks to migrating of several drivers to using generalized APIs and
dropping of OF interfaces in favor of using software nodes we're
actually removing more code than we're adding.
Core GPIOLIB:
- drop several OF interfaces after moving a significant part of the
code to using software nodes
- remove more interfaces referring to the global GPIO numberspace
that we're getting rid of
- improvements in the gpio-regmap library
- add helper for GPIO device reference counting
- remove unused APIs
- minor tweaks like sorting headers alphabetically
Extended support in existing drivers:
- add support for Tegra 234 PMC to gpio-tegra186
Driver improvements:
- migrate the 104-dio/idi family of drivers to using the regmap-irq
API
- migrate gpio-i8255 and gpio-mm to the GPIO regmap API
- clean-ups in gpio-pca953x
- remove duplicate assignments of of_gpio_n_cells in gpio-davinci,
gpio-ge, gpio-xilinx, gpio-zevio and gpio-wcd934x
- improvements to gpio-pcf857x: implement get/set_multiple callbacks,
use generic device properties instead of OF + minor tweaks
- fix OF-related header includes and Kconfig dependencies in
gpio-zevio
- dynamically allocate the GPIO base in gpio-omap
- use a dedicated printf specifier for printing fwnode info in
gpio-sim
- use dev_name() for the GPIO chip label in gpio-vf610
- other minor tweaks and fixes
Documentation:
- remove mentions of legacy API from comments in various places
- convert the DT binding documents to YAML schema for Fujitsu
MB86S7x, Unisoc GPIO and Unisoc EIC
- document the Unisoc UMS512 controller in DT bindings"
* tag 'gpio-updates-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (54 commits)
gpio: sim: Use %pfwP specifier instead of calling fwnode API directly
gpio: tegra186: remove unneeded loop in tegra186_gpio_init_route_mapping()
gpiolib: of: Move enum of_gpio_flags to its only user
gpio: mvebu: Use IS_REACHABLE instead of IS_ENABLED for CONFIG_PWM
gpio: zevio: Add missing header
gpio: Get rid of gpio_to_chip()
gpio: pcf857x: Drop unneeded explicit casting
gpio: pcf857x: Make use of device properties
gpio: pcf857x: Get rid of legacy platform data
gpio: rockchip: Do not mention legacy API in the code
gpio: wcd934x: Remove duplicate assignment of of_gpio_n_cells
gpio: zevio: Use proper headers and drop OF_GPIO dependency
gpio: zevio: Remove duplicate assignment of of_gpio_n_cells
gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells
dt-bindings: gpio: Add compatible string for Unisoc UMS512
dt-bindings: gpio: Convert Unisoc EIC controller binding to yaml
dt-bindings: gpio: Convert Unisoc GPIO controller binding to yaml
gpio: ge: Remove duplicate assignment of of_gpio_n_cells
gpio: davinci: Remove duplicate assignment of of_gpio_n_cells
gpio: omap: use dynamic allocation of base
...
Remove acpi_device declaration, as it is no longer needed.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
All new drivers should use fwnode and / or parent to provide the
necessary information to the GPIO library.
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
GPIO core:
- teach gpiolib to work with software nodes for HW description
- remove ARCH_NR_GPIOS treewide as we no longer impose any limit on the number
of GPIOS since the allocation became entirely dynamic
- add support for HW quirks for Cirrus CS42L56 codec, Marvell NFC controller,
Freescale PCIe and Ethernet controller, Himax LCDs and Mediatek mt2701
- refactor OF quirk code
- some general refactoring of the OF and ACPI code, adding new helpers, minor
tweaks and fixes, making fwnode usage consistent etc.
GPIO uAPI:
- fix an issue where the user-space can trigger a NULL-pointer dereference in
the kernel by opening a device file, forcing a driver unbind and then calling
one of the syscalls on the associated file descriptor
New drivers:
- add gpio-latch: a new GPIO multiplexer based on latches connected to other
GPIOs
Driver updates:
- convert i2c GPIO expanders to using .probe_new()
- drop the gpio-sta2x11 driver
- factor out common code for the ACCES IDIO-16 family of controllers and use
this new library wherever applicable in drivers
- add DT support to gpio-hisi
- allow building gpio-davinci as a module and increase its maxItems property
- add support for a new model to gpio-pca9570
- other minor changes to various drivers
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Merge tag 'gpio-updates-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We have a new GPIO multiplexer driver, bunch of driver updates and
refactoring in the core GPIO library.
GPIO core:
- teach gpiolib to work with software nodes for HW description
- remove ARCH_NR_GPIOS treewide as we no longer impose any limit on
the number of GPIOS since the allocation became entirely dynamic
- add support for HW quirks for Cirrus CS42L56 codec, Marvell NFC
controller, Freescale PCIe and Ethernet controller, Himax LCDs and
Mediatek mt2701
- refactor OF quirk code
- some general refactoring of the OF and ACPI code, adding new
helpers, minor tweaks and fixes, making fwnode usage consistent
etc.
GPIO uAPI:
- fix an issue where the user-space can trigger a NULL-pointer
dereference in the kernel by opening a device file, forcing a
driver unbind and then calling one of the syscalls on the
associated file descriptor
New drivers:
- add gpio-latch: a new GPIO multiplexer based on latches connected
to other GPIOs
Driver updates:
- convert i2c GPIO expanders to using .probe_new()
- drop the gpio-sta2x11 driver
- factor out common code for the ACCES IDIO-16 family of controllers
and use this new library wherever applicable in drivers
- add DT support to gpio-hisi
- allow building gpio-davinci as a module and increase its maxItems
property
- add support for a new model to gpio-pca9570
- other minor changes to various drivers"
* tag 'gpio-updates-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (66 commits)
gpio: sim: set a limit on the number of GPIOs
gpiolib: protect the GPIO device against being dropped while in use by user-space
gpiolib: cdev: fix NULL-pointer dereferences
gpiolib: Provide to_gpio_device() helper
gpiolib: Unify access to the device properties
gpio: Do not include <linux/kernel.h> when not really needed.
gpio: pcf857x: Convert to i2c's .probe_new()
gpio: pca953x: Convert to i2c's .probe_new()
gpio: max732x: Convert to i2c's .probe_new()
dt-bindings: gpio: gpio-davinci: Increase maxItems in gpio-line-names
gpiolib: ensure that fwnode is properly set
gpio: sl28cpld: Replace irqchip mask_invert with unmask_base
gpiolib: of: Use correct fwnode for DT-probed chips
gpiolib: of: Drop redundant check in of_mm_gpiochip_remove()
gpiolib: of: Prepare of_mm_gpiochip_add_data() for fwnode
gpiolib: add support for software nodes
gpiolib: consolidate GPIO lookups
gpiolib: acpi: avoid leaking ACPI details into upper gpiolib layers
gpiolib: acpi: teach acpi_find_gpio() to handle data-only nodes
gpiolib: acpi: change acpi_find_gpio() to accept firmware node
...
Ensure that all paths to obtain/look up GPIOD from generic
consumer-visible APIs go through the new gpiod_find_and_request()
helper, so that we can easily extend it with support for new firmware
mechanisms.
The only exception is OF-specific [devm_]gpiod_get_from_of_node() API
that is still being used by a couple of drivers and will be removed as
soon as patches converting them to use generic fwnode/device APIs are
accepted.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
There is no need for the generic parts of GPIOLIB to be aware of
implementation details of ACPI-bases lookups.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
In preparation of switching all ACPI-based GPIO lookups to go through
acpi_find_gpio() let's change it to accept device node as its argument
as we do not always have access to device structure.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
There is a few things done:
- include only the headers we are direct user of
- when pointer is in use, provide a forward declaration
- add missing headers
- group generic headers and subsystem headers
- sort each group alphabetically
While at it, fix some awkward indentations.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The ACPI spec defines the SharedAndWake and ExclusiveAndWake share type
keywords. This is an indication that the GPIO IRQ can also be used as a
wake source. This change exposes the wake_capable bit so drivers can
correctly enable wake functionality instead of making an assumption.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In the ACPI case we may use the firmware node in the similar way
as it's done for OF case. We may use that fwnode for other purposes
in the future.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
We didn't take into account the debounce settings supplied by ACPI.
This change is targeting the mentioned gap.
Reported-by: Coiby Xu <coiby.xu@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
It is not used outside gpiolib-acpi.c module, so there is no need to
export it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20190904172624.GA76617@dtor-ws
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This is a follow up to the commit
f626d6dfb7 ("gpio: of: Break out OF-only code")
which broke down OF parts of GPIO library. Here we do the similar to ACPI.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20190730104337.21235-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
