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-rw-r--r--drivers/tty/serial/serial_core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index cdac01fe11ca..ab1742805719 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Driver core for serial ports
*
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