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-rw-r--r--include/serial/cadence.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/serial/cadence.h b/include/serial/cadence.h
index f08b5b0cba..9105883dd6 100644
--- a/include/serial/cadence.h
+++ b/include/serial/cadence.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
#ifndef __CADENCE_UART_H__
#define __CADENCE_UART_H__