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2023-10-02gpio: mpc5200: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: mm-lantiq: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: mb86s7x: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: lpc18xx: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: ljca: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: grgpio: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: ftgpio010: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: dln2: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: cadence: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: brcmstb: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: amdpt: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-10-02gpio: altera: Convert to platform remove callback returning voidUwe Kleine-König
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-27mtd: rawnand: ingenic: move the GPIO quirk to gpiolib-of.cBartosz Golaszewski
We have a special place for OF polarity quirks in gpiolib-of.c. Let's move this over there so that it doesn't pollute the driver. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Andy Shevchenko <andy@kernel.org>
2023-09-27dt-bindings: gpio: fsl-imx-gpio: Document imx25 and imx27Fabio Estevam
fsl,imx25-gpio and fsl,imx27-gpio are not documented, causing schema warnings. fsl,imx25-gpio is compatible with fsl,imx35-gpio and fsl,imx27-gpio is compatible with fsl,imx21-gpio. Document them accordingly. Signed-off-by: Fabio Estevam <festevam@denx.de> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-27gpio: loongson: add more gpio chip supportYinbo Zhu
This patch was to add loongson 2k0500, 2k2000 and 3a5000 gpio chip driver support and define inten_offset attibute to enable gpio chip interrupt. Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-27gpio: dt-bindings: add more loongson gpio chip supportYinbo Zhu
This patch was to add loongson 2k0500, 2k2000 and 3a5000 gpio chip dt-bindings support in yaml file. Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-27gpio: Rewrite IXP4xx GPIO bindings in schemaLinus Walleij
This rewrites the IXP4xx GPIO bindings to use YAML schema, and adds two new properties to enable fixed clock output on pins 14 and 15. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-25gpiolib: cdev: annotate struct linereq with __counted_byKees Cook
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct linereq. Additionally, since the element count member must be set before accessing the annotated flexible array member, move its initialization earlier. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andy@kernel.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-25gpio: sim: initialize a managed pointer when declaring itBartosz Golaszewski
Variables managed with __free() should typically be initialized where they are declared so that the __free() callback is paired with its counterpart resource allocator. Fix the second instance of using __free() in gpio-sim to follow this pattern. Fixes: 3faf89f27aab ("gpio: sim: simplify code with cleanup helpers") Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-18gpio: sim: include a missing headerBartosz Golaszewski
We're using various ERR macros from linux/err.h but the include is missing. Add it. Fixes: cb8c474e79be ("gpio: sim: new testing module") Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-13gpio: eic-sprd: use a helper variable for &pdev->devBartosz Golaszewski
Instead of dereferencing pdev everywhere, just store the address of the underlying struct device in a local variable. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
2023-09-13gpio: eic-sprd: unregister from the irq notifier on remove()Bartosz Golaszewski
This is a tristate module, it can be unloaded. We need to cleanup properly and unregister from the interrupt notifier on driver detach. Fixes: b32415652a4d ("gpio: eic-sprd: use atomic notifiers to notify all chips about irqs") Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
2023-09-12pinctrl: da9062: don't include private GPIOLIB headerBartosz Golaszewski
gpiochip_get_desc() now lives in linux/gpio/driver.h and there is no longer any need to include GPIOLIB's private header. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andy@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-12gpiolib: make gpiochip_get_desc() publicBartosz Golaszewski
It makes sense for a GPIO driver to want to get its own descriptor without requesting it. After all, the driver knows that it'll still be valid. Let's move this helper to linux/gpio/driver.h. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andy@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-12pinctrl: da9062: add missing includeBartosz Golaszewski
gpiod_is_active_low() is defined in linux/gpio/consumer.h. It's only because we're pulling in the gpiolib.h private header that we get this declaration implicitly but let's fix it as that is going away soon. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andy@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-12gpio: sim: don't fiddle with GPIOLIB private membersBartosz Golaszewski
We access internals of struct gpio_device and struct gpio_desc because it's easier but it can actually be avoided and we're working towards a better encapsulation of GPIO data structures across the kernel so let's start at home. Instead of checking gpio_desc flags, let's just track the requests of GPIOs in the driver. We also already store the information about direction of simulated lines. For kobjects needed by sysfs callbacks: we can iterate over the children devices of the top-level platform device and compare their fwnodes against the one passed to the init function from probe. While at it: fix one line break and remove the untrue part about configfs callbacks using dev_get_drvdata() from a comment. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-09-12Merge tag 'platform-drivers-x86-ib-x86-android-tablets-v6.7' of ↵Bartosz Golaszewski
git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 into gpio/for-next Immutable branch between pdx86 android tablets branch and GPIO due for the v6.7 merge window ib-x86-android-tablets-v6.7: v6.6-rc1 + ib-pdx86-android-tablets for merging into the GPIO subsystem for v6.7.
2023-09-11platform/x86: x86-android-tablets: Drop "linux,power-supply-name" from ↵Hans de Goede
lenovo_yt3_bq25892_0_props[] The "linux,power-supply-name" property is a left-over from an earlier attempt to allow properties to specify the power_supply class-device name. The patch to read this property never made it upstream (and is no longer necessary). Drop the unused property. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-9-hdegoede@redhat.com
2023-09-11platform/x86: x86-android-tablets: Use platform-device as gpio-keys parentHans de Goede
Use the new x86-android-tablets platform-device as gpio-keys parent to make it clear that this gpio-keys device was instantiated by the x86-android-tablets driver. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-8-hdegoede@redhat.com
2023-09-11platform/x86: x86-android-tablets: Stop using gpiolib private APIsHans de Goede
Refactor x86_android_tablet_get_gpiod() to no longer use gpiolib private functions like gpiochip_find(). As a bonus this allows specifying that the GPIO is active-low, like the /CE (charge enable) pin on the bq25892 charger on the Lenovo Yoga Tablet 3. Reported-by: Bartosz Golaszewski <brgl@bgdev.pl> Closes: https://lore.kernel.org/platform-driver-x86/20230905185309.131295-12-brgl@bgdev.pl/ Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-7-hdegoede@redhat.com
2023-09-11platform/x86: x86-android-tablets: Create a platform_device from module_init()Hans de Goede
Create a platform_device from module_init() and change x86_android_tablet_init() / cleanup() into platform_device probe() and remove() functions. This is a preparation patch for refactoring x86_android_tablet_get_gpiod() to no longer use gpiolib private functions like gpiochip_find(). Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-6-hdegoede@redhat.com
2023-09-11platform/x86: x86-android-tablets: Remove invalid_aei_gpiochip supportHans de Goede
x86_dev_info.invalid_aei_gpiochip is no longer used by any boards and the x86-android-tablets code should not use the gpiolib private acpi_gpiochip_free_interrupts() function. Reported-by: Bartosz Golaszewski <brgl@bgdev.pl> Closes: https://lore.kernel.org/platform-driver-x86/20230905185309.131295-12-brgl@bgdev.pl/ Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-5-hdegoede@redhat.com
2023-09-11platform/x86: x86-android-tablets: Remove invalid_aei_gpiochip from Peaq C1010Hans de Goede
Remove the invalid_aei_gpiochip setting from the x86_dev_info for the Peaq C1010. This is no longer necessary since there now is a quirk to ignore the "dolby" button GPIO in gpiolib_acpi_quirks[] in drivers/gpio/gpiolib-acpi.c . Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-4-hdegoede@redhat.com
2023-09-11gpiolib: acpi: Add a ignore interrupt quirk for Peaq C1010Hans de Goede
On the Peaq C1010 2-in-1 INT33FC:00 pin 3 is connected to a "dolby" button. At the ACPI level an _AEI event-handler is connected which sets an ACPI variable to 1 on both edges. This variable can be polled + cleared to 0 using WMI. Since the variable is set on both edges the WMI interface is pretty useless even when polling. So instead of writing a custom WMI driver for this the x86-android-tablets code instantiates a gpio-keys platform device for the "dolby" button. Add an ignore_interrupt quirk for INT33FC:00 pin 3 on the Peaq C1010, so that it is not seen as busy when the gpio-keys driver requests it. Note this replaces a hack in x86-android-tablets where it would call acpi_gpiochip_free_interrupts() on the INT33FC:00 GPIO controller. acpi_gpiochip_free_interrupts() is considered private (internal) gpiolib API so x86-android-tablets should stop using it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-3-hdegoede@redhat.com
2023-09-11gpiolib: acpi: Check if a GPIO is listed in ignore_interrupt earlierHans de Goede
In some cases where a broken AEI is present for a GPIO and the GPIO is listed in the ignore_interrupt list to avoid the broken event handler, the kernel may want to use the GPIO for another purpose. Before this change trying to use such a GPIO for another purpose would fail, because the ignore_interrupt list was only checked after the acpi_request_own_gpiod() call, causing the GPIO to already be claimed even though it is listed in the ignore_interrupt list. Fix this by moving the ignore_interrupt list to above the acpi_request_own_gpiod() call. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-2-hdegoede@redhat.com
2023-09-11gpio: eic-sprd: use atomic notifiers to notify all chips about irqsBartosz Golaszewski
Calling gpiochip_find() from interrupt handler in this driver is an abuse of the GPIO API. It only happens to work because nobody added a might_sleep() to it and the lock used by GPIOLIB is a spinlock. Both will soon be changed as we're limiting both the number of interfaces allowed to be called from atomic context as well as making struct gpio_chip private to the GPIO code that owns it. We'll also switch to protecting the global GPIO device list with a mutex as there is no reason to allow changes to it from interrupt handlers. Instead of iterating over all SPRD chips and looking up each corresponding GPIO chip, let's make each SPRD GPIO controller register with a notifier chain. The chain will be called at interrupt so that every chip that already probed will be notified. The rest of the interrupt handling remains the same. This should result in faster code as we're avoiding iterating over the list of all GPIO devices. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Chunyan Zhang <zhang.lyra@gmail.com> Tested-by: Wenhua Lin <wenhua.lin@unisoc.com>
2023-09-11gpio: mb86s7x: don't include gpiolib.hBartosz Golaszewski
The gpiolib.h is unnecessarily included in the driver. None of its symbols are used so drop it. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-09-11gpio: dwapb: don't include gpiolib.hBartosz Golaszewski
The gpiolib.h is unnecessarily included in the driver. None of its symbols are used so drop it. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-09-11gpio: xgene-sb: don't include gpiolib.hBartosz Golaszewski
The gpiolib.h is unnecessarily included in the driver. None of its symbols are used so drop it. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-09-11gpiolib: remove unnecessary extern specifiers from the driver headerBartosz Golaszewski
'extern' doesn't do anything for function declarations. Remove it. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-11gpiolib: remove stray newline in gpio/driver.hBartosz Golaszewski
Fix a double newline in the GPIO provider header. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-11gpio: of: correct notifier return codesBartosz Golaszewski
According to the comments in linux/notifier.h, the code to return when a notifications is "not for us" is NOTIFY_DONE, not NOTIFY_OK. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-11gpiolib: unexport gpiod_set_transitory()Bartosz Golaszewski
There are no and never have been any users of gpiod_set_transitory() outside the core GPIOLIB code. Make it private. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-11gpio: mockup: don't access internal GPIOLIB structuresBartosz Golaszewski
Don't include gpiolib.h. Track the request status of lines locally instead. In order to retrieve the device name use the fact that gpio-mockup supports only a single GPIO device per platform device and call device_find_any_child(). Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-11gpio: mockup: simplify code by using cleanup helpersBartosz Golaszewski
Use lock from linux/cleanup.h and simplify locking paths. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-11gpio: mockup: deprecate the old testing moduleBartosz Golaszewski
We have a much better alternative to the clunky old gpio-mockup. Don't remove it just yet (there are tests depending on it out there) but make Kconfig say that it should no longer be used in new projects. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-11gpio: mockup: remove unused fieldBartosz Golaszewski
The desc assigned to debugfs private structure is unused so remove it. Fixes: 9202ba2397d1 ("gpio: mockup: implement event injecting over debugfs") Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-11gpio: mockup: fix kerneldocBartosz Golaszewski
The pull field of the line state struct is undocumented. Fix it. Fixes: 2a9e27408e12 ("gpio: mockup: rework debugfs interface") Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2023-09-11gpio-f7188x: fix base values conflicts with other gpio pinsxingtong.wu
switch pin base from static to automatic allocation to avoid conflicts and align with other gpio chip drivers Signed-off-by: xingtong.wu <xingtong.wu@siemens.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-09-11gpio: pca953x: Revisit header inclusionsAndy Shevchenko
Some of the headers are not use, some are missing. Fix that. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>