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backlight: gpio_backlight: use devm_backlight_device_register() 

Use devm_backlight_device_register() to make cleanup paths simpler, and
remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jingoo Han 2013-11-12 15:09:16 -08:00 committed by Linus Torvalds
parent de2efd2a9f
commit ff47201582
1 changed files with 3 additions and 11 deletions
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14
drivers/video/backlight/gpio_backlight.c
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@ -95,8 +95,9 @@ static int gpio_backlight_probe(struct platform_device *pdev)
memset(&props, 0, sizeof(props)); memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_RAW; props.type = BACKLIGHT_RAW;
props.max_brightness = 1; props.max_brightness = 1;
bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, gbl, bl = devm_backlight_device_register(&pdev->dev, dev_name(&pdev->dev),
&gpio_backlight_ops, &props); &pdev->dev, gbl, &gpio_backlight_ops,
&props);
if (IS_ERR(bl)) { if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n"); dev_err(&pdev->dev, "failed to register backlight\n");
return PTR_ERR(bl); return PTR_ERR(bl);
@ -109,21 +110,12 @@ static int gpio_backlight_probe(struct platform_device *pdev)
return 0; return 0;
} }
static int gpio_backlight_remove(struct platform_device *pdev)
{
struct backlight_device *bl = platform_get_drvdata(pdev);
backlight_device_unregister(bl);
return 0;
}
static struct platform_driver gpio_backlight_driver = { static struct platform_driver gpio_backlight_driver = {
.driver = { .driver = {
.name = "gpio-backlight", .name = "gpio-backlight",
.owner = THIS_MODULE, .owner = THIS_MODULE,
}, },
.probe = gpio_backlight_probe, .probe = gpio_backlight_probe,
.remove = gpio_backlight_remove,
}; };
module_platform_driver(gpio_backlight_driver); module_platform_driver(gpio_backlight_driver);