scsi: dmx3191d: use module_pci_driver

Use module_pci_driver() helper to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/dmx3191d.c

@@ -153,18 +153,7 @@ static struct pci_driver dmx3191d_pci_driver = {
 	.remove		= dmx3191d_remove_one,
 };
 
-static int __init dmx3191d_init(void)
-{
-	return pci_register_driver(&dmx3191d_pci_driver);
-}
-
-static void __exit dmx3191d_exit(void)
-{
-	pci_unregister_driver(&dmx3191d_pci_driver);
-}
-
-module_init(dmx3191d_init);
-module_exit(dmx3191d_exit);
+module_pci_driver(dmx3191d_pci_driver);
 
 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
 MODULE_DESCRIPTION("Domex DMX3191D SCSI driver");