ide: gayle: use module_platform_driver_probe()

This patch uses module_platform_driver_probe() macro which makes
the code smaller and simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/gayle.c b/drivers/ide/gayle.c
index 51beb85..0a8440a 100644
--- a/drivers/ide/gayle.c
+++ b/drivers/ide/gayle.c
@@ -183,20 +183,7 @@
 	},
 };
 
-static int __init amiga_gayle_ide_init(void)
-{
-	return platform_driver_probe(&amiga_gayle_ide_driver,
-				     amiga_gayle_ide_probe);
-}
-
-module_init(amiga_gayle_ide_init);
-
-static void __exit amiga_gayle_ide_exit(void)
-{
-	platform_driver_unregister(&amiga_gayle_ide_driver);
-}
-
-module_exit(amiga_gayle_ide_exit);
+module_platform_driver_probe(amiga_gayle_ide_driver, amiga_gayle_ide_probe);
 
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:amiga-gayle-ide");