diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h
index 254c8f933ae8104adb76f317fce4adc12f4cfbf0..04708e9359461b641d01e9c8b1fd2d4920b91ef3 100644
--- a/arch/nds32/include/asm/io.h
+++ b/arch/nds32/include/asm/io.h
@@ -7,9 +7,7 @@
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier:	GPL-2.0
  *
  * Modifications:
  *  16-Sep-1996	RMK	Inlined the inx/outx functions & optimised for both
diff --git a/arch/nds32/include/asm/setup.h b/arch/nds32/include/asm/setup.h
index 0a14ea0bd65a732f7bf106f6c95f1277c8feb64d..833d979af5275cdacafece22180f0da5f64a906d 100644
--- a/arch/nds32/include/asm/setup.h
+++ b/arch/nds32/include/asm/setup.h
@@ -5,9 +5,7 @@
  *  Copyright (C) 2008 Andes Technology Corporation
  *	Copyright (C) 2013 Ken Kuo (ken_kuo@andestech.com)
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier:	GPL-2.0
  *
  *  Structure passed to kernel to tell it about the
  *  hardware it's running on.  See Documentation/arm/Setup