backlight: pandora_bl: 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>

diff --git a/drivers/video/backlight/pandora_bl.c b/drivers/video/backlight/pandora_bl.c
index 633b0a2..2098c5d 100644 (file)
--- a/drivers/video/backlight/pandora_bl.c
+++ b/drivers/video/backlight/pandora_bl.c
@@ -120,8 +120,8 @@ static int pandora_backlight_probe(struct platform_device *pdev)
        memset(&props, 0, sizeof(props));
        props.max_brightness = MAX_USER_VALUE;
        props.type = BACKLIGHT_RAW;
-       bl = backlight_device_register(pdev->name, &pdev->dev,
-                       NULL, &pandora_backlight_ops, &props);
+       bl = devm_backlight_device_register(&pdev->dev, pdev->name, &pdev->dev,
+                                       NULL, &pandora_backlight_ops, &props);
        if (IS_ERR(bl)) {
                dev_err(&pdev->dev, "failed to register backlight\n");
                return PTR_ERR(bl);
@@ -145,20 +145,12 @@ static int pandora_backlight_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int pandora_backlight_remove(struct platform_device *pdev)
-{
-       struct backlight_device *bl = platform_get_drvdata(pdev);
-       backlight_device_unregister(bl);
-       return 0;
-}
-
 static struct platform_driver pandora_backlight_driver = {
        .driver         = {
                .name   = "pandora-backlight",
                .owner  = THIS_MODULE,
        },
        .probe          = pandora_backlight_probe,
-       .remove         = pandora_backlight_remove,
 };
 
 module_platform_driver(pandora_backlight_driver);