[PATCH] backlight: tps65217_bl: Add missing platform_set_drvdata intps65217_bl_probe

From: Axel Lin
Date: Sun Sep 30 2012 - 06:28:33 EST


Otherwise, we got NULL derefernce while calling backlight_device_unregister()
in tps65217_bl_remove().

Also convert to use module_platform_driver.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
drivers/video/backlight/tps65217_bl.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
index 6ac2ef5..7088163 100644
--- a/drivers/video/backlight/tps65217_bl.c
+++ b/drivers/video/backlight/tps65217_bl.c
@@ -312,6 +312,7 @@ static int tps65217_bl_probe(struct platform_device *pdev)
}

tps65217_bl->bl->props.brightness = 0;
+ platform_set_drvdata(pdev, tps65217_bl);

return 0;
}
@@ -334,18 +335,7 @@ static struct platform_driver tps65217_bl_driver = {
},
};

-static int __init tps65217_bl_init(void)
-{
- return platform_driver_register(&tps65217_bl_driver);
-}
-
-static void __exit tps65217_bl_exit(void)
-{
- platform_driver_unregister(&tps65217_bl_driver);
-}
-
-module_init(tps65217_bl_init);
-module_exit(tps65217_bl_exit);
+module_platform_driver(tps65217_bl_driver);

MODULE_DESCRIPTION("TPS65217 Backlight driver");
MODULE_LICENSE("GPL v2");
--
1.7.9.5



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