diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-11-15 17:49:59 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-11-24 20:27:37 +0100 |
| commit | d1f7728259ef02ac20b7afb6e7eb5a9eb1696c25 (patch) | |
| tree | 02ad4b84bae9f62a3b6b207a3a1146440aa5484c /drivers/gpio | |
| parent | b85ea95d086471afb4ad062012a4d73cd328fa86 (diff) | |
| download | linux-d1f7728259ef02ac20b7afb6e7eb5a9eb1696c25.tar.gz | |
gpiolib: provide gpio_device_get_label()
Provide a getter for the GPIO device label string so that users don't
have to dereference struct gpio_chip directly.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 95d2a7b2ea3e2..a5faaea6915d4 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 * |