4 files changed, 4 insertions, 6 deletions
diff --git a/arch/sh/boards/mach-dreamcast/Makefile b/arch/sh/boards/mach-dreamcast/Makefile
index 62b024bc2a3e..37b2452206aa 100644
--- a/arch/sh/boards/mach-dreamcast/Makefile
+++ b/arch/sh/boards/mach-dreamcast/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the Sega Dreamcast specific parts of the kernel
 #
diff --git a/arch/sh/boards/mach-dreamcast/irq.c b/arch/sh/boards/mach-dreamcast/irq.c
index 2789647abebe..a929f764ae04 100644
--- a/arch/sh/boards/mach-dreamcast/irq.c
+++ b/arch/sh/boards/mach-dreamcast/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/boards/dreamcast/irq.c
  *
@@ -6,7 +7,6 @@
  * Copyright (c) 2001, 2002 M. R. Brown <mrbrown@0xd6.org>
  *
  * This file is part of the LinuxDC project (www.linuxdc.org)
- * Released under the terms of the GNU GPL v2.0
  */
 #include <linux/irq.h>
 #include <linux/io.h>
diff --git a/arch/sh/boards/mach-dreamcast/rtc.c b/arch/sh/boards/mach-dreamcast/rtc.c
index 0eb12c45fa59..7873cd27e4e0 100644
--- a/arch/sh/boards/mach-dreamcast/rtc.c
+++ b/arch/sh/boards/mach-dreamcast/rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/boards/dreamcast/rtc.c
  *
@@ -5,9 +6,6 @@
  *
  * Copyright (c) 2001, 2002 M. R. Brown <mrbrown@0xd6.org>
  * Copyright (c) 2002 Paul Mundt <lethal@chaoticdreams.org>
- *
- * Released under the terms of the GNU GPL v2.0.
- *
  */
 
 #include <linux/time.h>
diff --git a/arch/sh/boards/mach-dreamcast/setup.c b/arch/sh/boards/mach-dreamcast/setup.c
index 672c2ad8f8d5..2d966c1c2cc1 100644
--- a/arch/sh/boards/mach-dreamcast/setup.c
+++ b/arch/sh/boards/mach-dreamcast/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/boards/dreamcast/setup.c
  *
@@ -8,8 +9,6 @@
  *
  * This file is part of the LinuxDC project (www.linuxdc.org)
  *
- * Released under the terms of the GNU GPL v2.0.
- *
  * This file originally bore the message (with enclosed-$):
  *	Id: setup_dc.c,v 1.5 2001/05/24 05:09:16 mrbrown Exp
  *	SEGA Dreamcast support