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authorHeiner Kallweit <hkallweit1@gmail.com>2016-09-14 20:55:27 +0200
committerJacek Anaszewski <j.anaszewski@samsung.com>2016-09-15 16:49:42 +0200
commitbc2c0dd85a0a31505ca2f92bef891ddac9126725 (patch)
treecf6805d3478206b7f2e37c627e596485b14a6cee /drivers/leds
parentbec69de89bab29c739ab84ceb04ae63d6811babf (diff)
downloadlinux-bc2c0dd85a0a31505ca2f92bef891ddac9126725.tar.bz2
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>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/leds-gpio.c23
1 files changed, 2 insertions, 21 deletions
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 00a24e32c6c6..ab273f85ac3c 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -139,7 +139,7 @@ static int create_gpio_led(const struct gpio_led *template,
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 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
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 @@ static int gpio_led_probe(struct platform_device *pdev)
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 @@ static int gpio_led_probe(struct platform_device *pdev)
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 void gpio_led_shutdown(struct platform_device *pdev)
static struct platform_driver gpio_led_driver = {
.probe = gpio_led_probe,
- .remove = gpio_led_remove,
.shutdown = gpio_led_shutdown,
.driver = {
.name = "leds-gpio",