[PATCH 01/22] backlight: 88pm860x_bl: usedevm_backlight_device_register()

From: Jingoo Han
Date: Tue Sep 24 2013 - 05:04:13 EST


Use devm_backlight_device_register() to make cleanup paths simpler,
and remove unnecessary remove().

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/video/backlight/88pm860x_bl.c | 16 ++--------------
1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index a84a12a..7db5234 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -243,7 +243,7 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = MAX_BRIGHTNESS;
- bl = backlight_device_register(name, &pdev->dev, data,
+ bl = devm_backlight_device_register(&pdev->dev, name, &pdev->dev, data,
&pm860x_backlight_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
@@ -256,21 +256,10 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
/* read current backlight */
ret = pm860x_backlight_get_brightness(bl);
if (ret < 0)
- goto out_brt;
+ return ret;

backlight_update_status(bl);
return 0;
-out_brt:
- backlight_device_unregister(bl);
- return ret;
-}
-
-static int pm860x_backlight_remove(struct platform_device *pdev)
-{
- struct backlight_device *bl = platform_get_drvdata(pdev);
-
- backlight_device_unregister(bl);
- return 0;
}

static struct platform_driver pm860x_backlight_driver = {
@@ -279,7 +268,6 @@ static struct platform_driver pm860x_backlight_driver = {
.owner = THIS_MODULE,
},
.probe = pm860x_backlight_probe,
- .remove = pm860x_backlight_remove,
};

module_platform_driver(pm860x_backlight_driver);
--
1.7.10.4


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