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Diffstat (limited to 'drivers/tty/serial/stm32-usart.h')
-rw-r--r--drivers/tty/serial/stm32-usart.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/stm32-usart.h b/drivers/tty/serial/stm32-usart.h
index ffc0c5285e51..174be6141cef 100644
--- a/drivers/tty/serial/stm32-usart.h
+++ b/drivers/tty/serial/stm32-usart.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) Maxime Coquelin 2015
* Copyright (C) STMicroelectronics SA 2017