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Diffstat (limited to 'drivers/tty/serial/stm32-usart.c')
-rw-r--r--drivers/tty/serial/stm32-usart.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 46a1f8617314..566cd85a99f8 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) Maxime Coquelin 2015
* Copyright (C) STMicroelectronics SA 2017