diff --git a/drivers/usb/early/xhci-dbc.h b/drivers/usb/early/xhci-dbc.h
index 673686eeddd74e71c828ba5efc9970bdcc4dea25..9fb6a9f2548aa5bc0396b1ae2b95398d3a6ce98a 100644
--- a/drivers/usb/early/xhci-dbc.h
+++ b/drivers/usb/early/xhci-dbc.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * xhci-dbc.h - xHCI debug capability early driver
  *