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Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
If the module init function fails after creating the debugs directory,
it's never removed. Add proper cleanup calls to avoid this resource
leak.
Fixes: 9202ba2397d1 ("gpio: mockup: implement event injecting over debugfs")
Cc: <stable@vger.kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The gpio-siox driver uses handle_nested_irq() to implement its
interrupt support. This is only capable of handling threaded irq
actions. For a hardirq action it triggers a NULL pointer oops.
(It calls action->thread_fn which is NULL then.)
Prevent registration of a hardirq action by setting
gpio_irq_chip::threaded to true.
Cc: u.kleine-koenig@pengutronix.de
Fixes: be8c8facc707 ("gpio: new driver to work with a 8x12 siox")
Cc: stable@vger.kernel.org
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
On tc35894, have to disable direct keypad interrupts to make
it as general purpose interrupts functionality work.
if not, after chip reset, IRQST(0x91) will always 0x20,
IRQN always low level, can't be clear.
Configure DIRECTx to enable general purpose gpio mode,
else read GPIOMISx register always zero in irq routine.
verified on tc35894, need more test on other tc3589x.
Signed-off-by: dillon min <dillon.minfei@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The offset of regmap is incorrect, j * 8 is move to the
wrong register.
for example:
asume i = 0, j = 1. we want to set KPY5 as interrupt
falling edge mode, regmap[0][1] should be TC3589x_GPIOIBE1 0xcd
but, regmap[i] + j * 8 = TC3589x_GPIOIBE0 + 8 ,point to 0xd4,
this is TC3589x_GPIOIE2 not TC3589x_GPIOIBE1.
Fixes: d88b25be3584 ("gpio: Add TC35892 GPIO driver")
Cc: Cc: stable@vger.kernel.org
Signed-off-by: dillon min <dillon.minfei@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The raw interrupt status of GPIO maybe set before the interrupt is enabled,
which would trigger the interrupt event once enabled it from user side.
This is the case for edge interrupts only. Adding a clear operation when
setting interrupt type can avoid that.
There're a few considerations for the solution:
1) This issue is for edge interrupt only; The interrupts requested by users
are IRQ_TYPE_LEVEL_HIGH as default, so clearing interrupt when request
is useless.
2) The interrupt type can be set to edge when request and following up
with clearing it though, but the problem is still there once users set
the interrupt type to level trggier.
3) We can add a clear operation after each time of setting interrupt
enable bit, but it is redundant for level trigger interrupt.
Therefore, the solution is this patch seems the best for now.
Fixes: 9a3821c2bb47 ("gpio: Add GPIO driver for Spreadtrum SC9860 platform")
Signed-off-by: Taiping Lai <taiping.lai@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Since the resource managed version of gpiochip_add_data() will handle the
GPIO-chip data automated cleanup we can freely remove the DW APB GPIO
driver code responsible for that. After doing so the DW APB GPIO driver
removal callback can be also fully discarded since there is nothing left
to be done for it. All the cleanups are now performed by means of the
device managed framework.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-11-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The kernel clock framework provides the resource managed version of
the clk_bulk_get() method. The only thing which needs to be also automated
is the clocks disable/unprepare procedure executed on the device removal.
It can be implemented by means of the custom action definition. After that
the clocks acquisition and release will be purely managed by the device
resources interface.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-10-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The reset control interface provides the resource managed version of
the reset_control_get() method. The only thing which needs to be also
automated is the reset lane assertion on the device removal. It can be
implemented by means of the custom action definition. After that the reset
control will be purely managed by the device resources interface.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-9-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since GPIOlib-based IRQ-chip interface is now utilized there is no need
in calling the methods acpi_gpiochip_{request,free}_interrupts() here.
They will be called from gpiochip_add_irqchip()/gpiochip_irqchip_remove()
anyway.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-8-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since GPIOlib-based IRQ-chip interface is now utilized there is no need in
setting up a custom GPIO-to-IRQ mapping method. GPIO-lib defines the
standard mapping method - gpiochip_to_irq(), which will be used anyway no
matter whether the custom to_irq callback is specified or not.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-7-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
GPIO-lib provides a ready-to-use interface to initialize an IRQ-chip on
top of a GPIO chip. It's better from maintainability and readability
point of view to use one instead of supporting a hand-written Generic
IRQ-chip-based implementation. Moreover the new implementation won't
cause much functional overhead but will provide a cleaner driver code.
All of that makes the DW APB GPIO driver conversion pretty much justified
especially seeing a tendency of the other GPIO drivers getting converted
too.
Here is what we do in the framework of this commit to convert the driver
to using the GPIO-lib-based IRQ-chip interface:
1) IRQ ack, mask and unmask callbacks are locally defined instead of
using the Generic IRQ-chip ones.
2) An irq_chip structure instance is embedded into the dwapb_gpio
private data. Note we can't have a static instance of that structure since
GPIO-lib will add some hooks into it by calling gpiochip_set_irq_hooks().
A warning about that would have been printed by the GPIO-lib code if we
used a single irq_chip structure instance for multiple DW APB GPIO
controllers.
3) Initialize the gpio_irq_chip structure embedded into the gpio_chip
descriptor. By default there is no IRQ enabled so any event raised will be
handled by the handle_bad_irq() IRQ flow handler. If DW APB GPIO IP-core
is synthesized to have non-shared reference IRQ-lines, then as before the
hierarchical and cascaded cases are distinguished by checking how many
parental IRQs are defined. (Note irq_set_chained_handler_and_data() won't
initialize IRQs, which descriptors couldn't be found.) If DW APB GPIO IP
is used on a platform with shared IRQ line, then we simply won't let the
GPIO-lib to initialize the parental IRQs, but will handle them locally in
the driver.
4) Discard linear IRQ-domain and Generic IRQ-chip initialization, since
GPIO-lib IRQ-chip interface will create a new domain and accept a standard
IRQ-chip structure pointer based on the setting we provided in the
gpio_irq_chip structure.
5) Manually select a proper IRQ flow handler directly in the
irq_set_type() callback by calling irq_set_handler_locked() method, since
an ordinary (not Generic) irq_chip descriptor is now utilized. Note this
shalln't give any regression
6) Alter CONFIG_GPIO_DWAPB kernel config to select
CONFIG_GPIOLIB_IRQCHIP instead of CONFIG_GENERIC_IRQ_CHIP.
Note neither 4) nor 5) shall cause a regression of commit 6a2f4b7dadd5
("gpio: dwapb: use a second irq chip"), since the later isn't properly
used here anyway.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-6-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add a new macro DWAPB_MAX_GPIOS which defines the maximum possible number
of GPIO lines corresponding to the maximum DW APB GPIO controller port
width. Use the new macro instead of number literal 32 where it's
applicable.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-5-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
For better readability let's group all the IRQ handlers in a single place
of the driver instead of having them scatter around all over the file.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-4-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Indeed generic GPIO DT-schema implies that number of GPIOs should be
described by the "ngpios" property located under a GPIO-provider DT node.
In that case it's redundant to have a vendor-specific "snps,nr-gpios"
property describing the same setting. Moreover it might be errors prone.
Since commit 93d2e4322aa7 ("of: platform: Batch fwnode parsing when adding
all top level devices") the fwnode parsing is resumed after the vast
majority of the platform devices are added. Implicitly that commit
activates re-parsing of the whole device tree GPIOs-phandle properties
detected having "-gpio/-gpios" suffixes. Since the vendor-specific number
of GPIOs property is defined with "-gpios" suffix, then of_link_property()
will consider it as a suffix-property with "#gpio-cells" structure, which
obviously it doesn't have. As a result for two DW APB GPIO controllers
we'll have the next errors printed.
OF: /bus@1f059000/gpio@1f044000/gpio-port@0: could not find phandle
OF: /bus@1f059000/gpio@1f045000/gpio-port@0: could not get #gpio-cells for /opp-table
OF: /bus@1f059000/gpio@1f044000/gpio-port@0: could not find phandle
OF: /bus@1f059000/gpio@1f045000/gpio-port@0: could not get #gpio-cells for /opp-table
See, the kernel fwnode parsing procedure even tried to resolve the phandle
ID, which it thought was the opp-table DT-node, while in fact it was just
a number "32". What would happen if that magic number actually referred to
a GPIO DT-node with "#gpio-cells" property defined?..
In order to fix the problem let's mark the "snps,nr-gpios" property as
deprecated and add the generic "ngpios" property support with the same
purpose as the deprecated one. That and the errors log above shall
motivate the platform developer to convert the DW APB GPIO DT-nodes to
using the standard number of GPIOs property.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-3-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fix warnings for omap_gpio_resume and omap_gpio_suspend
defined but not used when PM is disabled as noticed when
doing make randconfig builds.
Fixes: f02a03985d06 ("gpio: omap: Add missing PM ops for suspend")
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Sparse can't see locking scheme used in ->get_multiple() and
->set_multiple() callbacks.
CHECK .../drivers/gpio/gpio-aggregator.c
.../spinlock.h:409:9: warning: context imbalance in 'gpio_fwd_get_multiple' - unexpected unlock
.../spinlock.h:409:9: warning: context imbalance in 'gpio_fwd_set_multiple' - unexpected unlock
Refactor them to have better readability and make Sparse happy.
Code size impact is +52 bytes with arm-linux-gnueabihf-gcc 7.5.0.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Ar10 (xr300) has 3 and grx390 (xrx330) has 4 built-in GPHY. PHY LEDs are
connected via STP. STP is a peripheral controller used to drive external
shift register cascades. The hardware is able to allow the GPHY to drive
some GPIO of the cascade automatically.This patch allows for this on ar10
and grx390.
Tested on D-Link DWR-966 with OpenWRT.
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Core changes:
- Introduce the for_each_requested_gpio() macro to help in
dependent code all over the place. Also patch a few locations
to use it while we are at it.
- Split out the sysfs code into its own file.
- Split out the character device code into its own file, then
make a set of refactorings and improvements to this code.
We are setting the stage to revamp the userspace API a bit
in the next cycle.
- Fix a whole slew of kerneldoc that was wrong or missing.
New drivers:
- The PCA953x driver now supports the PCAL9535.
Driver improvements:
- A host of incremental modernizations and improvements to the
PCA953x driver.
- Incremental improvements to the Xilinx Zynq driver.
- Some improvements to the GPIO aggregator driver.
- I ran all over the place switching all threaded and other
drivers requesting their own IRQ while using the core
GPIO IRQ helpers to pass the GPIO irq chip as a template
instead of calling the explicit set-up functions. Next merge
window we may retire the old code altogether.
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Merge tag 'gpio-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v5.9 kernel cycle.
There is nothing too exciting in it, but a new macro that fixes a
build failure on a minor ARM32 platform that appeared yesterday is
part of it so we better merge it.
Core changes:
- Introduce the for_each_requested_gpio() macro to help in dependent
code all over the place. Also patch a few locations to use it while
we are at it.
- Split out the sysfs code into its own file.
- Split out the character device code into its own file, then make a
set of refactorings and improvements to this code. We are setting
the stage to revamp the userspace API a bit in the next cycle.
- Fix a whole slew of kerneldoc that was wrong or missing.
New drivers:
- The PCA953x driver now supports the PCAL9535.
Driver improvements:
- A host of incremental modernizations and improvements to the
PCA953x driver.
- Incremental improvements to the Xilinx Zynq driver.
- Some improvements to the GPIO aggregator driver.
- I ran all over the place switching all threaded and other drivers
requesting their own IRQ while using the core GPIO IRQ helpers to
pass the GPIO irq chip as a template instead of calling the
explicit set-up functions. Next merge window we may retire the old
code altogether"
* tag 'gpio-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (97 commits)
gpio: wcove: Request IRQ after all initialisation done
gpio: crystalcove: Free IRQ on error path
gpio: pca953x: Request IRQ after all initialisation done
gpio: don't use same lockdep class for all devm_gpiochip_add_data users
gpio: max732x: Use irqchip template
gpio: stmpe: Move chip registration
gpio: rcar: Use irqchip template
gpio: regmap: fix type clash
gpio: Correct kernel-doc inconsistency
gpio: pci-idio-16: Use irqchip template
gpio: pcie-idio-24: Use irqchip template
gpio: 104-idio-16: Use irqchip template
gpio: 104-idi-48: Use irqchip template
gpio: 104-dio-48e: Use irqchip template
gpio: ws16c48: Use irqchip template
gpio: omap: improve coding style for pin config flags
gpio: dln2: Use irqchip template
gpio: sch: Add a blank line between declaration and code
gpio: sch: changed every 'unsigned' to 'unsigned int'
gpio: ich: changed every 'unsigned' to 'unsigned int'
...
There is logically better to request IRQ when we initialise all structures.
Align the driver with the rest on the same matter.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It appears that all, but request_irq(), calls in the driver are device managed.
In unlikely case of devm_gpiochip_add_data() failure the IRQ left requested.
Free IRQ on error path by switching to devm_request_threaded_irq() API.
Byproduct of this change is a drop of ->remove() callback completely.
Fixes: 945e72db36bd ("gpio: crystalcove: Use irqchip template")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There is logically better to request IRQ when we initialise all structures.
Align the driver with the rest on the same matter.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200728125504.27786-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Commit 959bc7b22bd2 ("gpio: Automatically add lockdep keys") documents
in its commits message its intention to "create a unique class key for
each driver".
It does so by having gpiochip_add_data add in-place the definition of
two static lockdep classes for LOCKDEP use. That way, every caller of
the macro adds their gpiochip with unique lockdep classes.
There are many indirect callers of gpiochip_add_data, however, via
use of devm_gpiochip_add_data. devm_gpiochip_add_data has external
linkage and all its users will share the same lockdep classes, which
probably is not intended.
Fix this by replicating the gpio_chip_add_data statics-in-macro for
the devm_ version as well.
Fixes: 959bc7b22bd2 ("gpio: Automatically add lockdep keys")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20200731123835.8003-1-a.fatoum@pengutronix.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit calls to gpiochip_irqchip_add_nested() and
gpiochip_set_nested_irqchip(). The irqchip is instead
added while adding the gpiochip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20200726221259.133536-1-linus.walleij@linaro.org
Make sure to register the GPIO chip after requesting the
interrupt and setting up the IRQ members of the irqchip.
Fixes: 9745079609df ("gpio: stmpe: Use irqchip template")
Reported-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Patrice Chotard <patrice.chotard@st.com>
Link: https://lore.kernel.org/r/20200728072706.348725-1-linus.walleij@linaro.org
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit call to gpiochip_irqchip_add().
The irqchip is instead added while adding the gpiochip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Biju Das <biju.das@bp.renesas.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200722113141.243163-1-linus.walleij@linaro.org
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit call to gpiochip_irqchip_add().
The irqchip is instead added while adding the gpiochip.
Also move the IRQ initialization to the special .init_hw()
callback.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/20200722110649.202223-1-linus.walleij@linaro.org
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit call to gpiochip_irqchip_add().
The irqchip is instead added while adding the gpiochip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/20200722110027.192782-1-linus.walleij@linaro.org
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit call to gpiochip_irqchip_add().
The irqchip is instead added while adding the gpiochip.
Also move the IRQ initialization to the special .init_hw()
callback.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/20200722105517.186137-1-linus.walleij@linaro.org
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit call to gpiochip_irqchip_add().
The irqchip is instead added while adding the gpiochip.
Also move the IRQ initialization to the special .init_hw()
callback.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/20200722104820.174654-1-linus.walleij@linaro.org
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit call to gpiochip_irqchip_add().
The irqchip is instead added while adding the gpiochip.
Also move the IRQ initialization to the special .init_hw()
callback.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/20200722103915.162156-1-linus.walleij@linaro.org
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit call to gpiochip_irqchip_add().
The irqchip is instead added while adding the gpiochip.
Also move the IRQ initialization to the special .init_hw()
callback.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/20200722101938.151265-1-linus.walleij@linaro.org
Change the handling of pin config flags from if/else to switch
statement to make the code more readable and cleaner.
Suggested-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Drew Fustini <drew@beagleboard.org>
Acked-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20200722120755.230741-1-drew@beagleboard.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit calls to gpiochip_irqchip_add(). The irqchip is
instead added while adding the gpiochip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Cc: Octavian Purdila <octavian.purdila@nxp.com>
Link: https://lore.kernel.org/r/20200722073426.38890-1-linus.walleij@linaro.org
* Move GPIO PMIC drivers to use IRQ chip template
* Introduce for_each_requested_gpio() and convert existing users
* Replace unsigned by unsigned int in few drivers
* Fix an issue in kernel doc that validator complains about
* Move to verbose debug level the IRQ status message in gpio-pch
The following is an automated git shortlog grouped by driver:
ARM/orion/gpio:
- Make use of for_each_requested_gpio()
crystalcove:
- Use irqchip template
- changed every 'unsigned' to 'unsigned int'
gpiolib:
- Introduce for_each_requested_gpio_in_range() macro
gpio-ml-ioh:
- Fix missing ':' in 'struct ioh_gpio_reg_data
ich:
- changed every 'unsigned' to 'unsigned int'
mvebu:
- Make use of for_each_requested_gpio()
pch:
- Add a blank line between declaration and code
- changed every 'unsigned' to 'unsigned int'
- Move IRQ status message to verbose debug level
pinctrl:
- at91: Make use of for_each_requested_gpio()
sch:
- Add a blank line between declaration and code
- changed every 'unsigned' to 'unsigned int'
wcove:
- Use irqchip template
xra1403:
- Make use of for_each_requested_gpio()
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Merge tag 'intel-gpio-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into devel
intel-gpio for v5.9-1
* Move GPIO PMIC drivers to use IRQ chip template
* Introduce for_each_requested_gpio() and convert existing users
* Replace unsigned by unsigned int in few drivers
* Fix an issue in kernel doc that validator complains about
* Move to verbose debug level the IRQ status message in gpio-pch
The following is an automated git shortlog grouped by driver:
ARM/orion/gpio:
- Make use of for_each_requested_gpio()
crystalcove:
- Use irqchip template
- changed every 'unsigned' to 'unsigned int'
gpiolib:
- Introduce for_each_requested_gpio_in_range() macro
gpio-ml-ioh:
- Fix missing ':' in 'struct ioh_gpio_reg_data
ich:
- changed every 'unsigned' to 'unsigned int'
mvebu:
- Make use of for_each_requested_gpio()
pch:
- Add a blank line between declaration and code
- changed every 'unsigned' to 'unsigned int'
- Move IRQ status message to verbose debug level
pinctrl:
- at91: Make use of for_each_requested_gpio()
sch:
- Add a blank line between declaration and code
- changed every 'unsigned' to 'unsigned int'
wcove:
- Use irqchip template
xra1403:
- Make use of for_each_requested_gpio()
Added a lined between a declaration and other statements according to the
kernel coding style.
Signed-off-by: Abanoub Sameh <abanoubsameh@protonmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Changed 'unsigned' to 'unsigned int'.
This makes the code more uniform, and compliant with the kernel coding style.
Signed-off-by: Abanoub Sameh <abanoubsameh@protonmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Changed 'unsigned' to 'unsigned int'.
This makes the code more uniform, and compliant with the kernel coding style.
Signed-off-by: Abanoub Sameh <abanoubsameh@protonmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit calls to gpiochip_irqchip_add_nested() and
gpiochip_set_nested_irqchip(). The irqchip is instead
added while adding the gpiochip.
Cc: Bin Gao <bin.gao@linux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit calls to gpiochip_irqchip_add_nested() and
gpiochip_set_nested_irqchip(). The irqchip is instead
added while adding the gpiochip.
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This converts the PPC4xx SPI driver to use GPIO descriptors.
The driver is already just picking some GPIOs from the device
tree so the conversion is pretty straight forward. However
this driver is looking form a pure "gpios" property rather
than the standard binding "cs-gpios" so we need to add a new
exception to the gpiolib OF parser to allow this for this
driver's compatibles.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20200714072226.26071-1-linus.walleij@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Changed 'unsigned' to 'unsigned int'.
This makes the code more uniform, and compliant with the kernel coding style.
Signed-off-by: Abanoub Sameh <abanoubsameh@protonmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
