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gpiolib: make gpiochip_get_desc() public

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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>
This commit is contained in:
Bartosz Golaszewski 2023-09-01 13:29:25 +02:00
parent d56c6f798a
commit fe4fa2e4f7
2 changed files with 2 additions and 2 deletions
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2
drivers/gpio/gpiolib.h
View file

@ -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)); \

2
include/linux/gpio/driver.h
View file

@ -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 */