backlight: da903x_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/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index bbad5c21ed9e4a5e02e0d7c326d1da34474b35b2..12c5d840c5909e173fcf34492487b6409f479f67 100644 (file)
--- a/drivers/video/backlight/da903x_bl.c
+++ b/drivers/video/backlight/da903x_bl.c
@@ -144,8 +144,9 @@ static int da903x_backlight_probe(struct platform_device *pdev)
        memset(&props, 0, sizeof(props));
        props.type = BACKLIGHT_RAW;
        props.max_brightness = max_brightness;
-       bl = backlight_device_register(pdev->name, data->da903x_dev, data,
-                                      &da903x_backlight_ops, &props);
+       bl = devm_backlight_device_register(&pdev->dev, pdev->name,
+                                       data->da903x_dev, data,
+                                       &da903x_backlight_ops, &props);
        if (IS_ERR(bl)) {
                dev_err(&pdev->dev, "failed to register backlight\n");
                return PTR_ERR(bl);
@@ -158,21 +159,12 @@ static int da903x_backlight_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int da903x_backlight_remove(struct platform_device *pdev)
-{
-       struct backlight_device *bl = platform_get_drvdata(pdev);
-
-       backlight_device_unregister(bl);
-       return 0;
-}
-
 static struct platform_driver da903x_backlight_driver = {
        .driver         = {
                .name   = "da903x-backlight",
                .owner  = THIS_MODULE,
        },
        .probe          = da903x_backlight_probe,
-       .remove         = da903x_backlight_remove,
 };
 
 module_platform_driver(da903x_backlight_driver);