backlight: ep93xx: 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/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c
index 018368b..0d1f633 100644 (file)
--- a/drivers/video/backlight/ep93xx_bl.c
+++ b/drivers/video/backlight/ep93xx_bl.c
@@ -92,8 +92,8 @@ static int ep93xxbl_probe(struct platform_device *dev)
        memset(&props, 0, sizeof(struct backlight_properties));
        props.type = BACKLIGHT_RAW;
        props.max_brightness = EP93XX_MAX_BRIGHT;
-       bl = backlight_device_register(dev->name, &dev->dev, ep93xxbl,
-                                      &ep93xxbl_ops, &props);
+       bl = devm_backlight_device_register(&dev->dev, dev->name, &dev->dev,
+                                       ep93xxbl, &ep93xxbl_ops, &props);
        if (IS_ERR(bl))
                return PTR_ERR(bl);
 
@@ -106,14 +106,6 @@ static int ep93xxbl_probe(struct platform_device *dev)
        return 0;
 }
 
-static int ep93xxbl_remove(struct platform_device *dev)
-{
-       struct backlight_device *bl = platform_get_drvdata(dev);
-
-       backlight_device_unregister(bl);
-       return 0;
-}
-
 #ifdef CONFIG_PM_SLEEP
 static int ep93xxbl_suspend(struct device *dev)
 {
@@ -140,7 +132,6 @@ static struct platform_driver ep93xxbl_driver = {
                .pm     = &ep93xxbl_pm_ops,
        },
        .probe          = ep93xxbl_probe,
-       .remove         = ep93xxbl_remove,
 };
 
 module_platform_driver(ep93xxbl_driver);