diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index b81a2317420b515887a76d638ee9dcbfc1f109c8..795219a397d336bc0ee87b6d03dfe3d1463428f3 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -800,8 +800,8 @@ void xhci_free_stream_info(struct xhci_hcd *xhci,
 static void xhci_init_endpoint_timer(struct xhci_hcd *xhci,
 		struct xhci_virt_ep *ep)
 {
-	setup_timer(&ep->stop_cmd_timer, xhci_stop_endpoint_command_watchdog,
-		    (unsigned long)ep);
+	timer_setup(&ep->stop_cmd_timer, xhci_stop_endpoint_command_watchdog,
+		    0);
 	ep->xhci = xhci;
 }
 
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 4764121ba2b1e8cc7d0d5ecfcdca6d3223b70e72..e35eed16c84202be2b5b4699e21e4fc644510d01 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -947,15 +947,12 @@ void xhci_hc_died(struct xhci_hcd *xhci)
  * Instead we use a combination of that flag and checking if a new timer is
  * pending.
  */
-void xhci_stop_endpoint_command_watchdog(unsigned long arg)
+void xhci_stop_endpoint_command_watchdog(struct timer_list *t)
 {
-	struct xhci_hcd *xhci;
-	struct xhci_virt_ep *ep;
+	struct xhci_virt_ep *ep = from_timer(ep, t, stop_cmd_timer);
+	struct xhci_hcd *xhci = ep->xhci;
 	unsigned long flags;
 
-	ep = (struct xhci_virt_ep *) arg;
-	xhci = ep->xhci;
-
 	spin_lock_irqsave(&xhci->lock, flags);
 
 	/* bail out if cmd completed but raced with stop ep watchdog timer.*/
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index b966cd8783514a29dc1c2dfa3527e3a675e34327..86df906aec464adf577cba97133bd0103cb44e10 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2076,7 +2076,7 @@ void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
 		struct xhci_dequeue_state *deq_state);
 void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
 		unsigned int stream_id, struct xhci_td *td);
-void xhci_stop_endpoint_command_watchdog(unsigned long arg);
+void xhci_stop_endpoint_command_watchdog(struct timer_list *t);
 void xhci_handle_command_timeout(struct work_struct *work);
 
 void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,