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path: root/drivers/usb/gadget/function/u_serial.c
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Diffstat (limited to 'drivers/usb/gadget/function/u_serial.c')
-rw-r--r--drivers/usb/gadget/function/u_serial.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 961457ef5a1c..5188c4842f86 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* u_serial.c - utilities for USB gadget "serial port"/TTY support
*