leds: gpio: switch to managed version of led_classdev_register
Using the managed version of led_classdev_register allows to
significantly simplify the code.
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 00a24e3..ab273f8 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -139,7 +139,7 @@
if (ret < 0)
return ret;
- return led_classdev_register(parent, &led_dat->cdev);
+ return devm_led_classdev_register(parent, &led_dat->cdev);
}
struct gpio_leds_priv {
@@ -219,8 +219,6 @@
return priv;
err:
- for (count = priv->num_leds - 1; count >= 0; count--)
- led_classdev_unregister(&priv->leds[count].cdev);
return ERR_PTR(ret);
}
@@ -249,13 +247,8 @@
ret = create_gpio_led(&pdata->leds[i],
&priv->leds[i],
&pdev->dev, pdata->gpio_blink_set);
- if (ret < 0) {
- /* On failure: unwind the led creations */
- for (i = i - 1; i >= 0; i--)
- led_classdev_unregister(
- &priv->leds[i].cdev);
+ if (ret < 0)
return ret;
- }
}
} else {
priv = gpio_leds_create(pdev);
@@ -268,17 +261,6 @@
return 0;
}
-static int gpio_led_remove(struct platform_device *pdev)
-{
- struct gpio_leds_priv *priv = platform_get_drvdata(pdev);
- int i;
-
- for (i = 0; i < priv->num_leds; i++)
- led_classdev_unregister(&priv->leds[i].cdev);
-
- return 0;
-}
-
static void gpio_led_shutdown(struct platform_device *pdev)
{
struct gpio_leds_priv *priv = platform_get_drvdata(pdev);
@@ -293,7 +275,6 @@
static struct platform_driver gpio_led_driver = {
.probe = gpio_led_probe,
- .remove = gpio_led_remove,
.shutdown = gpio_led_shutdown,
.driver = {
.name = "leds-gpio",