diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2023-11-25 00:27:25 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2023-11-25 00:27:25 +0100 |
| commit | 16048722db8614285bee59b5cd5d8af9e2e539f1 (patch) | |
| tree | ad9cd40824d906b4036e91fafc5620651617dffe | |
| parent | c3c63e66527c18b598bbf9d77f0849852cd32ff9 (diff) | |
| parent | d1f7728259ef02ac20b7afb6e7eb5a9eb1696c25 (diff) | |
Merge tag 'gpio-device-get-label-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel
gpiolib: provide gpio_device_get_label()
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -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 */ |