[PATCH 2/2] Staging: gdm724x: gdm_mux.c: Use module_usb_driver

[Shraddha Barke <shraddha.6596@gmail.com>]

Macro module_usb_driver is used for drivers whose init
and exit paths does only register and unregister. Remove boilerplate code
by using module_usb_driver.

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
---
 drivers/staging/gdm724x/gdm_mux.c | 29 +----------------------------
 1 file changed, 1 insertion(+), 28 deletions(-)

diff --git a/drivers/staging/gdm724x/gdm_mux.c b/drivers/staging/gdm724x/gdm_mux.c
index 1cf24e4..7cd9b87 100644
--- a/drivers/staging/gdm724x/gdm_mux.c
+++ b/drivers/staging/gdm724x/gdm_mux.c
@@ -658,34 +658,7 @@ static struct usb_driver gdm_mux_driver = {
 	.reset_resume = gdm_mux_resume,
 };
 
-static int __init gdm_usb_mux_init(void)
-{
-
-	mux_rx_wq = create_workqueue("mux_rx_wq");
-	if (mux_rx_wq == NULL) {
-		pr_err("work queue create fail\n");
-		return -1;
-	}
-
-	register_lte_tty_driver();
-
-	return usb_register(&gdm_mux_driver);
-}
-
-static void __exit gdm_usb_mux_exit(void)
-{
-	unregister_lte_tty_driver();
-
-	if (mux_rx_wq) {
-		flush_workqueue(mux_rx_wq);
-		destroy_workqueue(mux_rx_wq);
-	}
-
-	usb_deregister(&gdm_mux_driver);
-}
-
-module_init(gdm_usb_mux_init);
-module_exit(gdm_usb_mux_exit);
+module_usb_driver(gdm_mux_driver);
 
 MODULE_DESCRIPTION("GCT LTE TTY Device Driver");
 MODULE_LICENSE("GPL");
-- 
2.1.4