[media] drivers/media/radio/radio-maxiradio: Convert to module_pci_driver

use module_pci_driver instead of init/exit, make code clean

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/radio/radio-maxiradio.c

@@ -200,15 +200,4 @@ static struct pci_driver maxiradio_driver = {
 	.remove		= maxiradio_remove,
 };
 
-static int __init maxiradio_init(void)
-{
-	return pci_register_driver(&maxiradio_driver);
-}
-
-static void __exit maxiradio_exit(void)
-{
-	pci_unregister_driver(&maxiradio_driver);
-}
-
-module_init(maxiradio_init);
-module_exit(maxiradio_exit);
+module_pci_driver(maxiradio_driver);