diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c
index b799ed83cc7a5cdfccb33ecaba1b6a8903274076..4f7895dbcf880ef2a1e3b863b7002825e3cb752c 100644
--- a/drivers/usb/host/xhci-debugfs.c
+++ b/drivers/usb/host/xhci-debugfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xhci-debugfs.c - xHCI debugfs interface
  *
diff --git a/drivers/usb/host/xhci-debugfs.h b/drivers/usb/host/xhci-debugfs.h
index 09cfd3998125b43f5ad235399a8e78214a5b599b..ac5bc40f5c3afc867a0336c57c9782a219e015b1 100644
--- a/drivers/usb/host/xhci-debugfs.h
+++ b/drivers/usb/host/xhci-debugfs.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * xhci-debugfs.h - xHCI debugfs interface
  *