--- x/drivers/usb/gadget/udc/dummy_hcd.c
+++ y/drivers/usb/gadget/udc/dummy_hcd.c
@@ -1303,7 +1303,7 @@ static int dummy_urb_enqueue(
 		urb->error_count = 1;		/* mark as a new urb */
 
 	/* kick the scheduler, it'll do the rest */
-	if (!hrtimer_active(&dum_hcd->timer))
+	if (!hrtimer_is_queued(&dum_hcd->timer))
 		hrtimer_start(&dum_hcd->timer, ns_to_ktime(DUMMY_TIMER_INT_NSECS),
 				HRTIMER_MODE_REL_SOFT);