Re: [PATCH] leds: leds-hp6xx: Use of devm_classdev_register

From: Jacek Anaszewski
Date: Tue Oct 27 2015 - 04:17:09 EST


Hi Fida,

Thanks for the patch. It doesn't apply smoothly, though.
Please rebase the patch on the top of LED git tree [1], for-next
branch.

[1] git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds.git

Best Regards,
Jacek Anaszewski

On 10/26/2015 06:00 PM, Fida Mohammad wrote:
Use resource managed function devm_classdev_register to make
error path simpler. Also removed the redundant remove function.

Signed-off-by: Fida Mohammad <fmthoker@xxxxxxxxx>
---
drivers/leds/leds-hp6xx.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c
index 0b84c01..ffb6d5b 100644
--- a/drivers/leds/leds-hp6xx.c
+++ b/drivers/leds/leds-hp6xx.c
@@ -59,28 +59,17 @@ static int hp6xxled_probe(struct platform_device *pdev)
{
int ret;

- ret = led_classdev_register(&pdev->dev, &hp6xx_red_led);
+ ret = devm_led_classdev_register(&pdev->dev, &hp6xx_red_led);
if (ret < 0)
return ret;

- ret = led_classdev_register(&pdev->dev, &hp6xx_green_led);
- if (ret < 0)
- led_classdev_unregister(&hp6xx_red_led);
+ return devm_led_classdev_register(&pdev->dev, &hp6xx_green_led);

- return ret;
}

-static int hp6xxled_remove(struct platform_device *pdev)
-{
- led_classdev_unregister(&hp6xx_red_led);
- led_classdev_unregister(&hp6xx_green_led);
-
- return 0;
-}

static struct platform_driver hp6xxled_driver = {
.probe = hp6xxled_probe,
- .remove = hp6xxled_remove,
.driver = {
.name = "hp6xx-led",
},



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