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SubjectRe: [PATCH v2] leds: leds-cobalt-qube: Use devm_led_classdev_register
Hi Vaishali,

On 09/01/2015 02:35 PM, Vaishali Thakkar wrote:
> 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>
> ---
> Changes since v1:
> - Remove use of variable retval
> - Change commit log
> ---
> drivers/leds/leds-cobalt-qube.c | 21 +--------------------
> 1 file changed, 1 insertion(+), 20 deletions(-)
>
> diff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c
> index d975220..f1374d2 100644
> --- a/drivers/leds/leds-cobalt-qube.c
> +++ b/drivers/leds/leds-cobalt-qube.c
> @@ -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 +48,13 @@ 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 devm_led_classdev_register(&pdev->dev, &qube_front_led);
>
> return 0;

Merged, after removing stray "return 0", thanks.

> }
>
> static struct platform_driver cobalt_qube_led_driver = {
> .probe = cobalt_qube_led_probe,
> - .remove = cobalt_qube_led_remove,
> .driver = {
> .name = "cobalt-qube-leds",
> },
>


--
Best Regards,
Jacek Anaszewski


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