From: Jingoo Han <jg1.han@samsung.com>
Date: Tue, 12 Nov 2013 23:09:06 +0000 (-0800)
Subject: backlight: aat2870: use devm_backlight_device_register()
X-Git-Tag: accepted/tizen/common/20141203.182822~1142^2~148
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c7a2bf3b217869f277c5cce229e482ef3bf5ad16;p=platform%2Fkernel%2Flinux-arm64.git

backlight: aat2870: use devm_backlight_device_register()

Use devm_backlight_device_register() to make cleanup paths simpler.

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/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c
index c68232b..ee0c0a9 100644
--- a/drivers/video/backlight/aat2870_bl.c
+++ b/drivers/video/backlight/aat2870_bl.c
@@ -158,8 +158,9 @@ static int aat2870_bl_probe(struct platform_device *pdev)
 	memset(&props, 0, sizeof(struct backlight_properties));
 
 	props.type = BACKLIGHT_RAW;
-	bd = backlight_device_register("aat2870-backlight", &pdev->dev,
-				       aat2870_bl, &aat2870_bl_ops, &props);
+	bd = devm_backlight_device_register(&pdev->dev, "aat2870-backlight",
+					&pdev->dev, aat2870_bl, &aat2870_bl_ops,
+					&props);
 	if (IS_ERR(bd)) {
 		dev_err(&pdev->dev,
 			"Failed allocate memory for backlight device\n");
@@ -194,13 +195,11 @@ static int aat2870_bl_probe(struct platform_device *pdev)
 	ret = aat2870_bl_update_status(bd);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to initialize\n");
-		goto out_bl_dev_unregister;
+		return ret;
 	}
 
 	return 0;
 
-out_bl_dev_unregister:
-	backlight_device_unregister(bd);
 out:
 	return ret;
 }
@@ -214,8 +213,6 @@ static int aat2870_bl_remove(struct platform_device *pdev)
 	bd->props.brightness = 0;
 	backlight_update_status(bd);
 
-	backlight_device_unregister(bd);
-
 	return 0;
 }