Commit fe4fa2e4 authored Sep 01, 2023 by Bartosz Golaszewski

gpiolib: make gpiochip_get_desc() public



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>

parent d56c6f79

drivers/gpio/gpiolib.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -122,8 +122,6 @@ struct gpio_array {
		unsigned long invert_mask[];
		};

		struct gpio_desc gpiochip_get_desc(struct gpio_chip gc, unsigned int hwnum);

		#define for_each_gpio_desc(gc, desc) \
		for (unsigned int __i = 0; \
		__i < gc->ngpio && (desc = gpiochip_get_desc(gc, __i)); \

include/linux/gpio/driver.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -757,6 +757,8 @@ struct gpio_desc gpiochip_request_own_desc(struct gpio_chip gc,
		enum gpiod_flags dflags);
		void gpiochip_free_own_desc(struct gpio_desc *desc);

		struct gpio_desc gpiochip_get_desc(struct gpio_chip gc, unsigned int hwnum);

		#ifdef CONFIG_GPIOLIB

		/* lock/unlock as IRQ */