diff --git a/drivers/usb/mtu3/mtu3_trace.c b/drivers/usb/mtu3/mtu3_trace.c
index 4f5e7857ec31..155eae126e5e 100644
--- a/drivers/usb/mtu3/mtu3_trace.c
+++ b/drivers/usb/mtu3/mtu3_trace.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/**
+/*
  * mtu3_trace.c - trace support
  *
  * Copyright (C) 2019 MediaTek Inc.