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>

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 10c851e..da4aa8e 100644 (file)
--- 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,