diff --git a/arch/sh/kernel/debugtraps.S b/arch/sh/kernel/debugtraps.S
index 7a1b46f..ad07527 100644
--- a/arch/sh/kernel/debugtraps.S
+++ b/arch/sh/kernel/debugtraps.S
@@ -1,13 +1,10 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * arch/sh/kernel/debugtraps.S
  *
  * Debug trap jump tables for SuperH
  *
  *  Copyright (C) 2006 - 2008  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/sys.h>
 #include <linux/linkage.h>
diff --git a/arch/sh/kernel/disassemble.c b/arch/sh/kernel/disassemble.c
index 015fee5..defebf1 100644
--- a/arch/sh/kernel/disassemble.c
+++ b/arch/sh/kernel/disassemble.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Disassemble SuperH instructions.
  *
  * Copyright (C) 1999 kaz Kojima
  * Copyright (C) 2008 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/arch/sh/kernel/dma-coherent.c b/arch/sh/kernel/dma-coherent.c
index a0021ee..b175146 100644
--- a/arch/sh/kernel/dma-coherent.c
+++ b/arch/sh/kernel/dma-coherent.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2004 - 2007  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/mm.h>
 #include <linux/init.h>
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
index b564b1e..93c6c0e 100644
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
  *  Copyright (C) 2009  Matt Fleming
  *  Copyright (C) 2002 - 2012  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kallsyms.h>
 #include <linux/ftrace.h>
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index bb511e2..9e1d26c 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2009 Matt Fleming <matt@console-pimps.org>
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * This is an implementation of a DWARF unwinder. Its main purpose is
  * for generating stacktrace information. Based on the DWARF 3
  * specification from http://www.dwarfstd.org.
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 28cc612..d31f66e 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -1,11 +1,7 @@
-/* 
+/* SPDX-License-Identifier: GPL-2.0
+ *
  *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
  *  Copyright (C) 2003 - 2008  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  */
 
 ! NOTE:
diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S
index 4e352c3..4adbd4a 100644
--- a/arch/sh/kernel/head_32.S
+++ b/arch/sh/kernel/head_32.S
@@ -1,14 +1,11 @@
-/* $Id: head.S,v 1.7 2003/09/01 17:58:19 lethal Exp $
+/* SPDX-License-Identifier: GPL-2.0
+ * $Id: head.S,v 1.7 2003/09/01 17:58:19 lethal Exp $
  *
  *  arch/sh/kernel/head.S
  *
  *  Copyright (C) 1999, 2000  Niibe Yutaka & Kaz Kojima
  *  Copyright (C) 2010  Matt Fleming
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Head.S contains the SH exception handlers and startup code.
  */
 #include <linux/init.h>
diff --git a/arch/sh/kernel/head_64.S b/arch/sh/kernel/head_64.S
index cca4913..67685e1 100644
--- a/arch/sh/kernel/head_64.S
+++ b/arch/sh/kernel/head_64.S
@@ -1,12 +1,9 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * arch/sh/kernel/head_64.S
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003, 2004  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #include <linux/init.h>
diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c
index d9ff3b4..bc96b16 100644
--- a/arch/sh/kernel/hw_breakpoint.c
+++ b/arch/sh/kernel/hw_breakpoint.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/hw_breakpoint.c
  *
  * Unified kernel/user-space hardware breakpoint facility for the on-chip UBC.
  *
  * Copyright (C) 2009 - 2010  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/init.h>
 #include <linux/perf_event.h>
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index be616ee..c20fc54 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * The idle loop for all SuperH platforms.
  *
  *  Copyright (C) 2002 - 2009  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/module.h>
 #include <linux/init.h>
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c
index 5c51b79..da22f3b 100644
--- a/arch/sh/kernel/io.c
+++ b/arch/sh/kernel/io.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/io.c - Machine independent I/O functions.
  *
  * Copyright (C) 2000 - 2009  Stuart Menefy
  * Copyright (C) 2005  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/module.h>
 #include <linux/pci.h>
diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c
index 4d4e7a2..bacad6d 100644
--- a/arch/sh/kernel/io_trapped.c
+++ b/arch/sh/kernel/io_trapped.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Trapped io support
  *
  * Copyright (C) 2008 Magnus Damm
  *
  * Intercept io operations by trapping.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/mm.h>
diff --git a/arch/sh/kernel/iomap.c b/arch/sh/kernel/iomap.c
index 2e8e8b9..ef9e2c9 100644
--- a/arch/sh/kernel/iomap.c
+++ b/arch/sh/kernel/iomap.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/iomap.c
  *
  * Copyright (C) 2000  Niibe Yutaka
  * Copyright (C) 2005 - 2007 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/module.h>
 #include <linux/io.h>
diff --git a/arch/sh/kernel/ioport.c b/arch/sh/kernel/ioport.c
index cca14ba..34f8cdb 100644
--- a/arch/sh/kernel/ioport.c
+++ b/arch/sh/kernel/ioport.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/ioport.c
  *
  * Copyright (C) 2000  Niibe Yutaka
  * Copyright (C) 2005 - 2007 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/module.h>
 #include <linux/io.h>
diff --git a/arch/sh/kernel/irq_32.c b/arch/sh/kernel/irq_32.c
index e5a755b..e09cdc4 100644
--- a/arch/sh/kernel/irq_32.c
+++ b/arch/sh/kernel/irq_32.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SHcompact irqflags support
  *
  * Copyright (C) 2006 - 2009 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/irqflags.h>
 #include <linux/module.h>
diff --git a/arch/sh/kernel/irq_64.c b/arch/sh/kernel/irq_64.c
index 8fc05b9..7a1f504 100644
--- a/arch/sh/kernel/irq_64.c
+++ b/arch/sh/kernel/irq_64.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SHmedia irqflags support
  *
  * Copyright (C) 2006 - 2009 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/irqflags.h>
 #include <linux/module.h>
diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index 4f04c66..d24bd2d 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SuperH KGDB support
  *
  * Copyright (C) 2008 - 2012  Paul Mundt
  *
  * Single stepping taken from the old stub by Henry Bell and Jeremy Siegel.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kgdb.h>
 #include <linux/kdebug.h>
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index 241e903..1f8c0d3 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel probes (kprobes) for SuperH
  *
  * Copyright (C) 2007 Chris Smith <chris.smith@st.com>
  * Copyright (C) 2006 Lineo Solutions, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kprobes.h>
 #include <linux/extable.h>
diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c
index 9fea49f..b9f9f1a 100644
--- a/arch/sh/kernel/machine_kexec.c
+++ b/arch/sh/kernel/machine_kexec.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * machine_kexec.c - handle transition of Linux booting another kernel
  * Copyright (C) 2002-2003 Eric Biederman  <ebiederm@xmission.com>
  *
  * GameCube/ppc32 port Copyright (C) 2004 Albert Herranz
  * LANDISK/sh4 supported by kogiidena
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2.  See the file COPYING for more details.
  */
 #include <linux/mm.h>
 #include <linux/kexec.h>
diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c
index ec05f49..beadbbd 100644
--- a/arch/sh/kernel/machvec.c
+++ b/arch/sh/kernel/machvec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/machvec.c
  *
@@ -5,10 +6,6 @@
  *
  *  Copyright (C) 1999  Niibe Yutaka
  *  Copyright (C) 2002 - 2007 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/init.h>
 #include <linux/string.h>
diff --git a/arch/sh/kernel/module.c b/arch/sh/kernel/module.c
index 1b525de..bbc78d1 100644
--- a/arch/sh/kernel/module.c
+++ b/arch/sh/kernel/module.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*  Kernel module help for SH.
 
     SHcompact version by Kaz Kojima and Paul Mundt.
@@ -9,20 +10,6 @@
 
 	Based on the sh version, and on code from the sh64-specific parts of
 	modutils, originally written by Richard Curnow and Ben Gaster.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 #include <linux/moduleloader.h>
 #include <linux/elf.h>
diff --git a/arch/sh/kernel/nmi_debug.c b/arch/sh/kernel/nmi_debug.c
index 730d928..1177786 100644
--- a/arch/sh/kernel/nmi_debug.c
+++ b/arch/sh/kernel/nmi_debug.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2007 Atmel Corporation
- *
- * 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.
  */
 #include <linux/delay.h>
 #include <linux/kdebug.h>
diff --git a/arch/sh/kernel/perf_callchain.c b/arch/sh/kernel/perf_callchain.c
index fa2c0cd..6281f2f 100644
--- a/arch/sh/kernel/perf_callchain.c
+++ b/arch/sh/kernel/perf_callchain.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Performance event callchain support - SuperH architecture code
  *
  * Copyright (C) 2009  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/sched.h>
diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c
index ba3269a..445e3ec 100644
--- a/arch/sh/kernel/perf_event.c
+++ b/arch/sh/kernel/perf_event.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Performance event support framework for SuperH hardware counters.
  *
@@ -15,10 +16,6 @@
  *
  * ppc:
  *  Copyright 2008-2009 Paul Mackerras, IBM Corporation.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 27fddb5..a094633 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/process.c
  *
@@ -8,10 +9,6 @@
  *  SuperH version:  Copyright (C) 1999, 2000  Niibe Yutaka & Kaz Kojima
  *		     Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC
  *		     Copyright (C) 2002 - 2008  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/module.h>
 #include <linux/mm.h>
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index ee2abe96..c2844a2 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/process_64.c
  *
@@ -12,10 +13,6 @@
  *
  *   In turn started from i386 version:
  *     Copyright (C) 1995  Linus Torvalds
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/mm.h>
 #include <linux/fs.h>
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 5fc3ff6..d5052c3 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SuperH process tracing
  *
@@ -5,10 +6,6 @@
  * Copyright (C) 2002 - 2009  Paul Mundt
  *
  * Audit support by Yuichi Nakamura <ynakam@hitachisoft.jp>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/sched.h>
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 1e0656d..3390349 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/ptrace_64.c
  *
@@ -10,10 +11,6 @@
  *   Original x86 implementation:
  *	By Ross Biro 1/23/92
  *	edited by Linus Torvalds
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/rwsem.h>
diff --git a/arch/sh/kernel/relocate_kernel.S b/arch/sh/kernel/relocate_kernel.S
index fcc9934..d9bf2b7 100644
--- a/arch/sh/kernel/relocate_kernel.S
+++ b/arch/sh/kernel/relocate_kernel.S
@@ -1,13 +1,11 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * relocate_kernel.S - put the kernel image in place to boot
  * 2005.9.17 kogiidena@eggplant.ddo.jp
  *
  * LANDISK/sh4 is supported. Maybe, SH archtecture works well.
  *
  * 2009-03-18 Magnus Damm - Added Kexec Jump support
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2.  See the file COPYING for more details.
  */
 #include <linux/linkage.h>
 #include <asm/addrspace.h>
diff --git a/arch/sh/kernel/return_address.c b/arch/sh/kernel/return_address.c
index 5124aeb..8838094 100644
--- a/arch/sh/kernel/return_address.c
+++ b/arch/sh/kernel/return_address.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/return_address.c
  *
  * Copyright (C) 2009  Matt Fleming
  * Copyright (C) 2009  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/module.h>
diff --git a/arch/sh/kernel/sh_bios.c b/arch/sh/kernel/sh_bios.c
index fe584e5..250dbdf 100644
--- a/arch/sh/kernel/sh_bios.c
+++ b/arch/sh/kernel/sh_bios.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  C interface for trapping into the standard LinuxSH BIOS.
  *
@@ -5,10 +6,6 @@
  *  Copyright (C) 1999, 2000  Niibe Yutaka
  *  Copyright (C) 2002  M. R. Brown
  *  Copyright (C) 2004 - 2010  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/module.h>
 #include <linux/console.h>
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index 6ee3740..9de1706 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/sh_ksyms_64.c
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/rwsem.h>
 #include <linux/module.h>
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 7b77f18..76661de 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/signal_64.c
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003 - 2008  Paul Mundt
  * Copyright (C) 2004  Richard Curnow
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/rwsem.h>
 #include <linux/sched.h>
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index c483422..372acdc 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/smp.c
  *
@@ -5,10 +6,6 @@
  *
  * Copyright (C) 2002 - 2010 Paul Mundt
  * Copyright (C) 2006 - 2007 Akio Idehara
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/err.h>
 #include <linux/cache.h>
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index 7a73d27..f3cb2cc 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/stacktrace.c
  *
  * Stack trace management functions
  *
  *  Copyright (C) 2006 - 2008  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/sched.h>
 #include <linux/sched/debug.h>
diff --git a/arch/sh/kernel/swsusp.c b/arch/sh/kernel/swsusp.c
index 12b64a0..0b772d6 100644
--- a/arch/sh/kernel/swsusp.c
+++ b/arch/sh/kernel/swsusp.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * swsusp.c - SuperH hibernation support
  *
  * Copyright (C) 2009 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #include <linux/mm.h>
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index 254bc22..94b088d 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -1,15 +1,11 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * arch/sh/kernel/syscalls.S
  *
  * System call table for SuperH
  *
  *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
  *  Copyright (C) 2003  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  */
 #include <linux/sys.h>
 #include <linux/linkage.h>
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index d6a27f7..1bcb86f 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -1,13 +1,10 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * arch/sh/kernel/syscalls_64.S
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2004 - 2007  Paul Mundt
  * Copyright (C) 2003, 2004 Richard Curnow
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #include <linux/sys.h>
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index fcd5e41..6742d6e 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  arch/sh/kernel/time.c
  *
@@ -5,10 +6,6 @@
  *  Copyright (C) 2000  Philipp Rumpf <prumpf@tux.org>
  *  Copyright (C) 2002 - 2009  Paul Mundt
  *  Copyright (C) 2002  M. R. Brown  <mrbrown@linux-sh.org>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c
index c82912a..7a989ee 100644
--- a/arch/sh/kernel/topology.c
+++ b/arch/sh/kernel/topology.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/topology.c
  *
  *  Copyright (C) 2007  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/cpu.h>
 #include <linux/cpumask.h>
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 60709ad..f2a18b5 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * 'traps.c' handles hardware traps and faults after we have saved some
  * state in 'entry.S'.
@@ -6,10 +7,6 @@
  *                  Copyright (C) 2000 Philipp Rumpf
  *                  Copyright (C) 2000 David Howells
  *                  Copyright (C) 2002 - 2010 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/ptrace.h>
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c
index 014fb08..c52bda4 100644
--- a/arch/sh/kernel/traps_64.c
+++ b/arch/sh/kernel/traps_64.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/traps_64.c
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003, 2004  Paul Mundt
  * Copyright (C) 2003, 2004  Richard Curnow
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/sched.h>
 #include <linux/sched/debug.h>
diff --git a/arch/sh/kernel/unwinder.c b/arch/sh/kernel/unwinder.c
index 521b543..7a54b72 100644
--- a/arch/sh/kernel/unwinder.c
+++ b/arch/sh/kernel/unwinder.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2009  Matt Fleming
  *
diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c
index cc0cc5b..9849448 100644
--- a/arch/sh/kernel/vsyscall/vsyscall.c
+++ b/arch/sh/kernel/vsyscall/vsyscall.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/kernel/vsyscall/vsyscall.c
  *
@@ -5,10 +6,6 @@
  *
  * vDSO randomization
  * Copyright(C) 2005-2006, Red Hat, Inc., Ingo Molnar
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/mm.h>
 #include <linux/kernel.h>
