backlight: wm831x_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>

1 files changed, 2 insertions, 11 deletions

diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
index 2ccf3206e93f..8b9455e93069 100644
--- a/drivers/video/backlight/wm831x_bl.c
+++ b/drivers/video/backlight/wm831x_bl.c
@@ -195,8 +195,8 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
         memset(&props, 0, sizeof(props));
         props.type = BACKLIGHT_RAW;
         props.max_brightness = max_isel;
-        bl = backlight_device_register("wm831x", &pdev->dev, data,
-                                       &wm831x_backlight_ops, &props);
+        bl = devm_backlight_device_register(&pdev->dev, "wm831x", &pdev->dev,
+                                        data, &wm831x_backlight_ops, &props);
         if (IS_ERR(bl)) {
                 dev_err(&pdev->dev, "failed to register backlight\n");
                 return PTR_ERR(bl);
@@ -214,21 +214,12 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
         return 0;
 }
 
-static int wm831x_backlight_remove(struct platform_device *pdev)
-{
-        struct backlight_device *bl = platform_get_drvdata(pdev);
-
-        backlight_device_unregister(bl);
-        return 0;
-}
-
 static struct platform_driver wm831x_backlight_driver = {
         .driver         = {
                 .name   = "wm831x-backlight",
                 .owner  = THIS_MODULE,
         },
         .probe          = wm831x_backlight_probe,
-        .remove         = wm831x_backlight_remove,
 };
 
 module_platform_driver(wm831x_backlight_driver);