vfio/mlx5: Switch to use module_pci_driver() macro

Since pci provides the helper macro module_pci_driver(), we may replace
the module_init/exit with it.

Signed-off-by: Shang XiaoJing <[email protected]>
Reviewed-by: Yishai Hadas <[email protected]>
Reviewed-by: Jason Gunthorpe <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alex Williamson <[email protected]>

Author: Shang XiaoJing

drivers/vfio/pci/mlx5/main.c

@@ -676,18 +676,7 @@ static struct pci_driver mlx5vf_pci_driver = {
 	.driver_managed_dma = true,
 };
 
-static void __exit mlx5vf_pci_cleanup(void)
-{
-	pci_unregister_driver(&mlx5vf_pci_driver);
-}
-
-static int __init mlx5vf_pci_init(void)
-{
-	return pci_register_driver(&mlx5vf_pci_driver);
-}
-
-module_init(mlx5vf_pci_init);
-module_exit(mlx5vf_pci_cleanup);
+module_pci_driver(mlx5vf_pci_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Max Gurtovoy <[email protected]>");