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Diffstat (limited to 'drivers/tty/mxser.h')
-rw-r--r--drivers/tty/mxser.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/mxser.h b/drivers/tty/mxser.h
index 0bf794313ffd..e6cb15626567 100644
--- a/drivers/tty/mxser.h
+++ b/drivers/tty/mxser.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _MXSER_H
#define _MXSER_H