leds: convert led platform drivers to module_platform_driver

Factor out some boilerplate code for platform driver registration into
module_platform_driver.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Haojian Zhuang <hzhuang1@marvell.com>		[led-88pm860x.c]
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Michael Hennerich <hennerich@blackfin.uclinux.org>
Cc: Mike Rapoport <mike@compulab.co.il>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/leds/leds-asic3.c b/drivers/leds/leds-asic3.c
index 48d9fe6..525a924 100644
--- a/drivers/leds/leds-asic3.c
+++ b/drivers/leds/leds-asic3.c
@@ -179,21 +179,9 @@
 	},
 };
 
-MODULE_ALIAS("platform:leds-asic3");
-
-static int __init asic3_led_init(void)
-{
-	return platform_driver_register(&asic3_led_driver);
-}
-
-static void __exit asic3_led_exit(void)
-{
-	platform_driver_unregister(&asic3_led_driver);
-}
-
-module_init(asic3_led_init);
-module_exit(asic3_led_exit);
+module_platform_driver(asic3_led_driver);
 
 MODULE_AUTHOR("Paul Parsons <lost.distance@yahoo.com>");
 MODULE_DESCRIPTION("HTC ASIC3 LED driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:leds-asic3");