leds: gpio: add helper cdev_to_gpio_led_data

Add a helper for the container_of as it's used more than once.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 10c851ecc6ce..da4aa8e95a58 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -29,11 +29,16 @@ struct gpio_led_data {
         gpio_blink_set_t platform_gpio_blink_set;
 };
 
+static inline struct gpio_led_data *
+                        cdev_to_gpio_led_data(struct led_classdev *led_cdev)
+{
+        return container_of(led_cdev, struct gpio_led_data, cdev);
+}
+
 static void gpio_led_set(struct led_classdev *led_cdev,
         enum led_brightness value)
 {
-        struct gpio_led_data *led_dat =
-                container_of(led_cdev, struct gpio_led_data, cdev);
+        struct gpio_led_data *led_dat = cdev_to_gpio_led_data(led_cdev);
         int level;
 
         if (value == LED_OFF)
@@ -63,8 +68,7 @@ static int gpio_led_set_blocking(struct led_classdev *led_cdev,
 static int gpio_blink_set(struct led_classdev *led_cdev,
         unsigned long *delay_on, unsigned long *delay_off)
 {
-        struct gpio_led_data *led_dat =
-                container_of(led_cdev, struct gpio_led_data, cdev);
+        struct gpio_led_data *led_dat = cdev_to_gpio_led_data(led_cdev);
 
         led_dat->blinking = 1;
         return led_dat->platform_gpio_blink_set(led_dat->gpiod, GPIO_LED_BLINK,