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-rw-r--r--drivers/usb/host/xhci-dbgcap.c1
-rw-r--r--drivers/usb/host/xhci-dbgcap.h2
-rw-r--r--drivers/usb/host/xhci-dbgtty.c1
3 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index c359bae7b754..1fbfd89d0a0f 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/**
* xhci-dbgcap.c - xHCI debug capability support
*
diff --git a/drivers/usb/host/xhci-dbgcap.h b/drivers/usb/host/xhci-dbgcap.h
index e66ea0748ba3..ce0c6072bd48 100644
--- a/drivers/usb/host/xhci-dbgcap.h
+++ b/drivers/usb/host/xhci-dbgcap.h
@@ -1,4 +1,4 @@
-
+/* SPDX-License-Identifier: GPL-2.0 */
/**
* xhci-dbgcap.h - xHCI debug capability support
*
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index eb494ec547e8..aff79ff5aba4 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/**
* xhci-dbgtty.c - tty glue for xHCI debug capability
*