diff options
| author | Bartosz Golaszewski <[email protected]> | 2023-11-24 20:30:00 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <[email protected]> | 2023-11-24 20:30:00 +0100 |
| commit | 68e3b071b88d2712b3d8b6bfcfbcd0635653d5a5 (patch) | |
| tree | 92976c72b346ef4db142c3cb92d4ea3d8a2e37d0 | |
| parent | d652049e118ffe9227155f7b9b85faf15fc91f8f (diff) | |
| parent | d1f7728259ef02ac20b7afb6e7eb5a9eb1696c25 (diff) | |
Merge branch 'gpio/device_get_label_for_pinctrl' into gpio/for-next
Pull in the immutable branch between GPIO and pinctrl adding a new
getter allowing to retrieve the label of a GPIO device.
| -rw-r--r-- | drivers/gpio/gpiolib.c | 14 | ||||
| -rw-r--r-- | include/linux/gpio/driver.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 95d2a7b2ea3e..a5faaea6915d 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -255,6 +255,20 @@ int gpio_device_get_base(struct gpio_device *gdev) EXPORT_SYMBOL_GPL(gpio_device_get_base); /** + * gpio_device_get_label() - Get the label of this GPIO device + * @gdev: GPIO device + * + * Returns: + * Pointer to the string containing the GPIO device label. The string's + * lifetime is tied to that of the underlying GPIO device. + */ +const char *gpio_device_get_label(struct gpio_device *gdev) +{ + return gdev->label; +} +EXPORT_SYMBOL(gpio_device_get_label); + +/** * gpio_device_get_chip() - Get the gpio_chip implementation of this GPIO device * @gdev: GPIO device * diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 0aed62f0c633..100c329dc986 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -786,6 +786,7 @@ struct gpio_device *gpiod_to_gpio_device(struct gpio_desc *desc); /* struct gpio_device getters */ int gpio_device_get_base(struct gpio_device *gdev); +const char *gpio_device_get_label(struct gpio_device *gdev); #else /* CONFIG_GPIOLIB */ |