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leds: leds-cobalt-qube: Use devm_led_classdev_register

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Use resource-managed function devm_led_classdev_register instead
of led_classdev_register to make the error-path simpler.

To be compatible with the change, goto is replaced with direct
return, unneeded label err_null is dropped and unnecessary variable
retval is removed. Also, remove redundant cobalt_qube_led_remove.

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
This commit is contained in:
Vaishali Thakkar 2015-09-04 12:12:01 +02:00 committed by Jacek Anaszewski
parent 6a13feb9c8
commit aa4e252495
1 changed files with 1 additions and 22 deletions
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23
drivers/leds/leds-cobalt-qube.c
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@ -36,7 +36,6 @@ static struct led_classdev qube_front_led = {
static int cobalt_qube_led_probe(struct platform_device *pdev)
{
struct resource *res;
int retval;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
@ -49,31 +48,11 @@ static int cobalt_qube_led_probe(struct platform_device *pdev)
led_value = LED_FRONT_LEFT | LED_FRONT_RIGHT;
writeb(led_value, led_port);
retval = led_classdev_register(&pdev->dev, &qube_front_led);
if (retval)
goto err_null;
return 0;
err_null:
led_port = NULL;
return retval;
}
static int cobalt_qube_led_remove(struct platform_device *pdev)
{
led_classdev_unregister(&qube_front_led);
if (led_port)
led_port = NULL;
return 0;
return devm_led_classdev_register(&pdev->dev, &qube_front_led);
}
static struct platform_driver cobalt_qube_led_driver = {
.probe = cobalt_qube_led_probe,
.remove = cobalt_qube_led_remove,
.driver = {
.name = "cobalt-qube-leds",
},