net/wan: use module_pci_driver

This patch converts the drivers in drivers/net/wan/* to use
module_pci_driver() macro which makes the code smaller and a bit simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/dscc4.c

@@ -2055,15 +2055,4 @@ static struct pci_driver dscc4_driver = {
 	.remove		= __devexit_p(dscc4_remove_one),
 };
 
-static int __init dscc4_init_module(void)
-{
-	return pci_register_driver(&dscc4_driver);
-}
-
-static void __exit dscc4_cleanup_module(void)
-{
-	pci_unregister_driver(&dscc4_driver);
-}
-
-module_init(dscc4_init_module);
-module_exit(dscc4_cleanup_module);
+module_pci_driver(dscc4_driver);

drivers/net/wan/lmc/lmc_main.c

@@ -1736,18 +1736,7 @@ static struct pci_driver lmc_driver = {
 	.remove		= __devexit_p(lmc_remove_one),
 };
 
-static int __init init_lmc(void)
-{
-    return pci_register_driver(&lmc_driver);
-}
-
-static void __exit exit_lmc(void)
-{
-    pci_unregister_driver(&lmc_driver);
-}
-
-module_init(init_lmc);
-module_exit(exit_lmc);
+module_pci_driver(lmc_driver);
 
 unsigned lmc_mii_readreg (lmc_softc_t * const sc, unsigned devaddr, unsigned regno) /*fold00*/
 {