i2c/busses: Use module_pci_driver

Convert the drivers in drivers/i2c/busses/* to usemodule_pci_driver()
macro which makes the code smaller and a bit simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Rudolf Marek <r.marek@assembler.cz>
Cc: Olof Johansson <olof@lixom.net>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Tomoya MORINAGA <tomoya.rohm@gmail.com>
diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c
index 713d31a..7ffee71 100644
--- a/drivers/i2c/busses/i2c-via.c
+++ b/drivers/i2c/busses/i2c-via.c
@@ -161,20 +161,8 @@
 	.remove		= __devexit_p(vt586b_remove),
 };
 
-static int __init i2c_vt586b_init(void)
-{
-	return pci_register_driver(&vt586b_driver);
-}
-
-static void __exit i2c_vt586b_exit(void)
-{
-	pci_unregister_driver(&vt586b_driver);
-}
-
+module_pci_driver(vt586b_driver);
 
 MODULE_AUTHOR("Kyösti Mälkki <kmalkki@cc.hut.fi>");
 MODULE_DESCRIPTION("i2c for Via vt82c586b southbridge");
 MODULE_LICENSE("GPL");
-
-module_init(i2c_vt586b_init);
-module_exit(i2c_vt586b_exit);