diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index 6504b116da04..62ec20a26013 100644
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -262,9 +262,11 @@ DECLARE_EVENT_CLASS(dwc3_log_trb,
 				s = "2x ";
 				break;
 			case 3:
+			default:
 				s = "3x ";
 				break;
 			}
+			break;
 		default:
 			s = "";
 		} s; }),