diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 892088fe6e86..d8bae6ca8904 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1869,6 +1869,7 @@ static void musb_pm_runtime_check_session(struct musb *musb)
 
 			return;
 		}
+		/* fall through */
 	case MUSB_QUIRK_A_DISCONNECT_19:
 		if (musb->quirk_retries--) {
 			musb_dbg(musb,