i2c-smbus: Use module_i2c_driver()

Using module_i2c_driver() makes the code smaller and cleaner.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NJean Delvare <khali@linux-fr.org>

drivers/i2c/i2c-smbus.c

@@ -245,18 +245,7 @@ int i2c_handle_smbus_alert(struct i2c_client *ara)
 }
 EXPORT_SYMBOL_GPL(i2c_handle_smbus_alert);
 
-static int __init i2c_smbus_init(void)
-{
-	return i2c_add_driver(&smbalert_driver);
-}
-
-static void __exit i2c_smbus_exit(void)
-{
-	i2c_del_driver(&smbalert_driver);
-}
-
-module_init(i2c_smbus_init);
-module_exit(i2c_smbus_exit);
+module_i2c_driver(smbalert_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("SMBus protocol extensions support");