Merge branch 'for-next/misc'

59 files changed, 158 insertions, 677 deletions

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 6c7373c206..46dfe1f62a 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -10,11 +10,9 @@ endif
 
 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
 KBUILD_CPPFLAGS	+= -mbig-endian
-AS		+= -EB
 LD		+= -EB
 else
 KBUILD_CPPFLAGS	+= -mlittle-endian
-AS		+= -EL
 LD		+= -EL
 endif
 
diff --git a/arch/arm/boards/embedsky-e9/board.c b/arch/arm/boards/embedsky-e9/board.c
index e5f92636fb..0938a6d096 100644
--- a/arch/arm/boards/embedsky-e9/board.c
+++ b/arch/arm/boards/embedsky-e9/board.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2014 Andrey Panov <rockford@yandex.ru>
  *
@@ -6,16 +8,6 @@
  *
  * based on arch/arm/boards/freescale-mx6-sabrelite/board.c
  * Copyright (C) 2012 Steffen Trumtrar, Pengutronix
- *
- * 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.
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/eukrea_cpuimx27/eukrea_cpuimx27.c b/arch/arm/boards/eukrea_cpuimx27/eukrea_cpuimx27.c
index 52971ed7ee..e8ac0cc8fa 100644
--- a/arch/arm/boards/eukrea_cpuimx27/eukrea_cpuimx27.c
+++ b/arch/arm/boards/eukrea_cpuimx27/eukrea_cpuimx27.c
@@ -1,19 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2009 Eric Benard, Eukrea Electromatique
  * Based on pcm038.c which is :
  * Copyright (C) 2007 Sascha Hauer, Pengutronix
- *
- * 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.
- *
- *
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c b/arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c
index 558bc07912..9835452ddf 100644
--- a/arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c
+++ b/arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c
@@ -1,25 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2007 Sascha Hauer, Pengutronix
  *               2009 Marc Kleine-Budde, Pengutronix
  * (c) 2010 Eukrea Electromatique, Eric Bénard <eric@eukrea.com>
  *
- * 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.
- *
- *
  * Derived from:
  *
  * * mx35_3stack.c - board file for uboot-v1
  *   Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
  *   (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
- *
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/freescale-mx21-ads/imx21ads.c b/arch/arm/boards/freescale-mx21-ads/imx21ads.c
index 2c54cd7030..92207b02d3 100644
--- a/arch/arm/boards/freescale-mx21-ads/imx21ads.c
+++ b/arch/arm/boards/freescale-mx21-ads/imx21ads.c
@@ -1,20 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2009 Ivo Clarysse
  *
  * Based on imx27ads.c,
  *   Copyright (C) 2007 Sascha Hauer, Pengutronix
- *
- * 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.
- *
- *
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/freescale-mx23-evk/mx23-evk.c b/arch/arm/boards/freescale-mx23-evk/mx23-evk.c
index 9dc5967bd9..b12bb0dd79 100644
--- a/arch/arm/boards/freescale-mx23-evk/mx23-evk.c
+++ b/arch/arm/boards/freescale-mx23-evk/mx23-evk.c
@@ -79,9 +79,7 @@ static int register_persistent_environment(void)
 	/* use the full partition as our persistent environment storage */
 	cdev = devfs_add_partition("disk0.1", 0, cdev->size,
 						DEVFS_PARTITION_FIXED, "env0");
-	if (IS_ERR(cdev))
-		return PTR_ERR(cdev);
-	return 0;
+	return PTR_ERR_OR_ZERO(cdev);
 }
 
 static int mx23_evk_devices_init(void)
diff --git a/arch/arm/boards/freescale-mx35-3ds/3stack.c b/arch/arm/boards/freescale-mx35-3ds/3stack.c
index 97a9968706..5b91c601f8 100644
--- a/arch/arm/boards/freescale-mx35-3ds/3stack.c
+++ b/arch/arm/boards/freescale-mx35-3ds/3stack.c
@@ -1,24 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2007 Sascha Hauer, Pengutronix
  *               2009 Marc Kleine-Budde, Pengutronix
  *
- * 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.
- *
- *
  * Derived from:
  *
  * * mx35_3stack.c - board file for uboot-v1
  *   Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
  *   (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
- *
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/freescale-mx6-sabresd/board.c b/arch/arm/boards/freescale-mx6-sabresd/board.c
index a5059835df..b710c05a47 100644
--- a/arch/arm/boards/freescale-mx6-sabresd/board.c
+++ b/arch/arm/boards/freescale-mx6-sabresd/board.c
@@ -1,18 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2013 Hubert Feurstein <h.feurstein@gmail.com>
  *
  * based on arch/arm/boards/freescale-mx6-sabrelite/board.c
  * Copyright (C) 2012 Steffen Trumtrar, Pengutronix
- *
- * 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.
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/friendlyarm-mini2440/mini2440.c b/arch/arm/boards/friendlyarm-mini2440/mini2440.c
index 7f59cb99b2..413537d247 100644
--- a/arch/arm/boards/friendlyarm-mini2440/mini2440.c
+++ b/arch/arm/boards/friendlyarm-mini2440/mini2440.c
@@ -1,19 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2010 Marek Belisko <marek.belisko@open-nandra.com>
  *
  * Based on a9m2440.c board init by Juergen Beisert, Pengutronix
- *
- * 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.
- *
- *
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/friendlyarm-tiny210/tiny210.c b/arch/arm/boards/friendlyarm-tiny210/tiny210.c
index b40dc98c5b..c96aa83059 100644
--- a/arch/arm/boards/friendlyarm-tiny210/tiny210.c
+++ b/arch/arm/boards/friendlyarm-tiny210/tiny210.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2012 Alexey Galakhov
  * Based on Mini6410 code by Juergen Beisert
@@ -12,16 +14,6 @@
  *
  * (C) Copyright 2002
  * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
- *
- * 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.
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c b/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c
index af548b3c53..14100747e0 100644
--- a/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c
+++ b/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c
@@ -1,20 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * (C) Copyright 2012 Fadil Berisha, <fadil.r.berisha@gmail.com>
  *     based on falconwing.c & mx23-evk.c
  *
  * (C) Copyright 2010 Juergen Beisert - Pengutronix
  * (C) Copyright 2011 Wolfram Sang - Pengutronix
- *
- * 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.
- *
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/karo-tx28/tx28-stk5.c b/arch/arm/boards/karo-tx28/tx28-stk5.c
index 838754d042..c9b947953b 100644
--- a/arch/arm/boards/karo-tx28/tx28-stk5.c
+++ b/arch/arm/boards/karo-tx28/tx28-stk5.c
@@ -333,9 +333,7 @@ static int register_persistent_environment(void)
 	/* use the full partition as our persistent environment storage */
 	cdev = devfs_add_partition("disk0.1", 0, cdev->size,
 					DEVFS_PARTITION_FIXED, "env0");
-	if (IS_ERR(cdev))
-		return PTR_ERR(cdev);
-	return 0;
+	return PTR_ERR_OR_ZERO(cdev);
 }
 
 static void tx28_get_ethaddr(void)
diff --git a/arch/arm/boards/karo-tx6x/board.c b/arch/arm/boards/karo-tx6x/board.c
index 54b1e248f4..2a141be61a 100644
--- a/arch/arm/boards/karo-tx6x/board.c
+++ b/arch/arm/boards/karo-tx6x/board.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2014 Steffen Trumtrar, Pengutronix
  *
- *
  * with the PMIC init code taken from u-boot
  * Copyright (C) 2012,2013 Lothar Waßmann <LW@KARO-electronics.de>
- *
- * 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.
  */
 
 #define pr_fmt(fmt) "Karo-tx6: " fmt
diff --git a/arch/arm/boards/phytec-phycard-omap3/pca-a-l1.c b/arch/arm/boards/phytec-phycard-omap3/pca-a-l1.c
index 930f3b9c7c..e3b148a0ed 100644
--- a/arch/arm/boards/phytec-phycard-omap3/pca-a-l1.c
+++ b/arch/arm/boards/phytec-phycard-omap3/pca-a-l1.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
 /**
  * @file
  * @brief Board Initialization routines for the phyCARD-A-L1
@@ -27,15 +29,6 @@
  * based on code from Texas Instruments / board-beagle.c
  * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
  * Sanjeev Premi <premi@ti.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.
- *
- * 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.
  */
 
 #include <common.h>
diff --git a/arch/arm/boards/phytec-phycore-pxa270/config.h b/arch/arm/boards/phytec-phycore-pxa270/config.h
index ca02b1140b..6aba53edea 100644
--- a/arch/arm/boards/phytec-phycore-pxa270/config.h
+++ b/arch/arm/boards/phytec-phycore-pxa270/config.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /*
  * Copyright (C) 2005 Phytec Messtechnik GmbH
  * Juergen Kilb, H. Klaholz <armlinux@phytec.de>
@@ -5,18 +7,6 @@
  * Copyright (C) 2006 Pengutronix
  * Sascha Hauer <s.hauer@pengutronix.de>
  * Robert Schwebel <r.schwebel@pengutronix.de>
- *
- * 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.
- *
- *
  */
 
 #ifndef __CONFIG_H
diff --git a/arch/arm/boards/variscite-mx6/board.c b/arch/arm/boards/variscite-mx6/board.c
index 267f68c6da..99cd15b1c0 100644
--- a/arch/arm/boards/variscite-mx6/board.c
+++ b/arch/arm/boards/variscite-mx6/board.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
  * Copyright (C) 2013 Michael Burkey
  * Based on code (C) Sascha Hauer, Pengutronix
  * Based on code (C) Variscite, Ltd.
- *
- * 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.
- *
  */
 
 #define pr_fmt(fmt) "var-som-mx6: " fmt
diff --git a/arch/arm/boards/variscite-mx6/lowlevel.c b/arch/arm/boards/variscite-mx6/lowlevel.c
index d75d770a7e..99455b2a45 100644
--- a/arch/arm/boards/variscite-mx6/lowlevel.c
+++ b/arch/arm/boards/variscite-mx6/lowlevel.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /*
- *
  * Copyright (C) 2013 Michael Burkey
  * Based on code by Sascha Hauer <s.hauer@pengutronix.de>
- *
- * 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.
- *
  */
+
 #include <debug_ll.h>
 #include <common.h>
 #include <linux/sizes.h>
diff --git a/arch/arm/boards/versatile/versatilepb.c b/arch/arm/boards/versatile/versatilepb.c
index 8691a171e1..ac6ea9951a 100644
--- a/arch/arm/boards/versatile/versatilepb.c
+++ b/arch/arm/boards/versatile/versatilepb.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
 /*
  * Copyright (C) 2010 B Labs Ltd,
  * http://l4dev.org
@@ -5,18 +7,6 @@
  *
  * Based on mach-nomadik
  * Copyright (C) 2009-2010 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
- *
- * 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; version 2 of
- * the License.
- *
- * 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.
- *
- *
  */
 
 #include <common.h>
diff --git a/arch/arm/cpu/cache_64.c b/arch/arm/cpu/cache_64.c
index 6e18d981a4..cb7bc0945c 100644
--- a/arch/arm/cpu/cache_64.c
+++ b/arch/arm/cpu/cache_64.c
@@ -1,13 +1,4 @@
-/*
- * 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; version 2.
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0-only
 
 #include <common.h>
 #include <init.h>
diff --git a/arch/arm/cpu/common.c b/arch/arm/cpu/common.c
index bc5d9b5882..33f148fc0e 100644
--- a/arch/arm/cpu/common.c
+++ b/arch/arm/cpu/common.c
@@ -1,16 +1,5 @@
-/*
- * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2010 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
 
 #include <common.h>
 #include <init.h>
diff --git a/arch/arm/cpu/cpu.c b/arch/arm/cpu/cpu.c
index 0db852b33d..5b79dd2a8f 100644
--- a/arch/arm/cpu/cpu.c
+++ b/arch/arm/cpu/cpu.c
@@ -1,17 +1,5 @@
-/*
- * cpu.c - A few helper functions for ARM
- *
- * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
 
 /**
  * @file
diff --git a/arch/arm/cpu/cpuinfo.c b/arch/arm/cpu/cpuinfo.c
index dd67b51ac2..a08fc253ef 100644
--- a/arch/arm/cpu/cpuinfo.c
+++ b/arch/arm/cpu/cpuinfo.c
@@ -1,17 +1,7 @@
-/*
- * cpuinfo.c - Show information about cp15 registers
- *
- * Copyright (c) 2009 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2009 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+
+/* cpuinfo.c - Show information about cp15 registers */
 
 #include <common.h>
 #include <command.h>
diff --git a/arch/arm/cpu/dtb.c b/arch/arm/cpu/dtb.c
index 1d126a827d..8094eebf07 100644
--- a/arch/arm/cpu/dtb.c
+++ b/arch/arm/cpu/dtb.c
@@ -1,16 +1,6 @@
-/*
- * Copyright (c) 2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+
 #include <common.h>
 #include <init.h>
 #include <of.h>
diff --git a/arch/arm/cpu/interrupts.c b/arch/arm/cpu/interrupts.c
index 703a5a3ba7..a1728eb353 100644
--- a/arch/arm/cpu/interrupts.c
+++ b/arch/arm/cpu/interrupts.c
@@ -1,18 +1,5 @@
-/*
- * interrupts.c - Interrupt Support Routines
- *
- * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
 
 /**
  * @file
diff --git a/arch/arm/cpu/interrupts_64.c b/arch/arm/cpu/interrupts_64.c
index f462835ffd..f54fdcd3dd 100644
--- a/arch/arm/cpu/interrupts_64.c
+++ b/arch/arm/cpu/interrupts_64.c
@@ -1,18 +1,7 @@
-/*
- * interrupts_64.c - Interrupt Support Routines
- *
- * Copyright (c) 2018 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2018 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+
+/* interrupts_64.c - Interrupt Support Routines */
 
 #include <common.h>
 #include <abort.h>
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index 2aa53229b3..6af228505d 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -1,16 +1,5 @@
-/*
- * Copyright (c) 2009-2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2009-2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
 
 #define pr_fmt(fmt)	"mmu: " fmt
 
diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c
index 8324cedb25..7e9ae84810 100644
--- a/arch/arm/cpu/mmu_64.c
+++ b/arch/arm/cpu/mmu_64.c
@@ -1,17 +1,6 @@
-/*
- * Copyright (c) 2009-2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- * Copyright (c) 2016 Raphaël Poggi <poggi.raph@gmail.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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2009-2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+// SPDX-FileCopyrightText: 2016 Raphaël Poggi <poggi.raph@gmail.com>
 
 #define pr_fmt(fmt)	"mmu: " fmt
 
diff --git a/arch/arm/cpu/mmuinfo.c b/arch/arm/cpu/mmuinfo.c
index 1db6eb3869..1147c0a305 100644
--- a/arch/arm/cpu/mmuinfo.c
+++ b/arch/arm/cpu/mmuinfo.c
@@ -1,17 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2012 Jan Luebbe <j.luebbe@pengutronix.de>, Pengutronix
 /*
  * mmuinfo.c - Show MMU/cache information from cp15 registers
- *
- * Copyright (c) Jan Luebbe <j.luebbe@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- *
  */
 
 #include <common.h>
diff --git a/arch/arm/cpu/no-mmu.c b/arch/arm/cpu/no-mmu.c
index 7268fa9b9d..be3cfaf12b 100644
--- a/arch/arm/cpu/no-mmu.c
+++ b/arch/arm/cpu/no-mmu.c
@@ -1,17 +1,7 @@
-/*
- * Copyright (c) 2015 Zodiac Inflight Innovation
- * Author: Andrey Smirnov <andrew.smirnov@gmail.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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2015 Zodiac Inflight Innovation
+
+/* Author: Andrey Smirnov <andrew.smirnov@gmail.com> */
 
 #define pr_fmt(fmt)	"nommu: " fmt
 
diff --git a/arch/arm/cpu/psci.c b/arch/arm/cpu/psci.c
index 5a69aaa810..436561f864 100644
--- a/arch/arm/cpu/psci.c
+++ b/arch/arm/cpu/psci.c
@@ -1,13 +1,4 @@
-/*
- * 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; version 2.
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0-only
 
 #define pr_fmt(fmt)  "psci: " fmt
 
diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index 2cf21459da..aeca459cb1 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -1,16 +1,6 @@
-/*
- * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2010 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+
 #define pr_fmt(fmt) "start.c: " fmt
 
 #include <common.h>
diff --git a/arch/arm/cpu/uncompress.c b/arch/arm/cpu/uncompress.c
index 3eb0132d53..db0fe98e0d 100644
--- a/arch/arm/cpu/uncompress.c
+++ b/arch/arm/cpu/uncompress.c
@@ -1,19 +1,9 @@
-/*
- * uncompress.c - uncompressor code for self extracing pbl image
- *
- * Copyright (c) 2010-2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.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.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2010-2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+// SPDX-FileCopyrightText: 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+
+/* uncompress.c - uncompressor code for self extracing pbl image */
+
 #define pr_fmt(fmt) "uncompress.c: " fmt
 
 #include <common.h>
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 6116e4893c..95c6768de8 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 1996-2000 Russell King */
+
 /*
  *  arch/arm/include/asm/assembler.h
  *
- *  Copyright (C) 1996-2000 Russell King
- *
- * 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.
- *
  *  This file contains arm architecture specific defines
  *  for the different processors.
  *
diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h
index 9277b84a19..f81257f896 100644
--- a/arch/arm/include/asm/barebox-arm.h
+++ b/arch/arm/include/asm/barebox-arm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * (C) Copyright 2002
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
@@ -6,17 +7,6 @@
  * (C) Copyright 2002
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  * Alex Zuepke <azu@sysgo.de>
- *
- * 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.
- *
  */
 
 #ifndef _BAREBOX_ARM_H_
diff --git a/arch/arm/include/asm/cache-l2x0.h b/arch/arm/include/asm/cache-l2x0.h
index 9bb245b0be..e325bbbff6 100644
--- a/arch/arm/include/asm/cache-l2x0.h
+++ b/arch/arm/include/asm/cache-l2x0.h
@@ -1,18 +1,7 @@
-/*
- * arch/arm/include/asm/hardware/cache-l2x0.h
- *
- * Copyright (C) 2007 ARM Limited
- *
- * 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.
- *
- * 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.
- *
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2007 ARM Limited */
+
+/* arch/arm/include/asm/hardware/cache-l2x0.h */
 
 #ifndef __ASM_ARM_HARDWARE_L2X0_H
 #define __ASM_ARM_HARDWARE_L2X0_H
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
index 15999a524d..08a9fc43b7 100644
--- a/arch/arm/include/asm/dma.h
+++ b/arch/arm/include/asm/dma.h
@@ -1,9 +1,5 @@
-/*
- * Copyright (C) 2012 by Marc Kleine-Budde <mkl@pengutronix.de>
- *
- * This file is released under the GPLv2
- *
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2012 Marc Kleine-Budde <mkl@pengutronix.de> */
 
 #include <common.h>
 
diff --git a/arch/arm/include/asm/errata.h b/arch/arm/include/asm/errata.h
index f020369916..9bb0e650c7 100644
--- a/arch/arm/include/asm/errata.h
+++ b/arch/arm/include/asm/errata.h
@@ -1,16 +1,5 @@
-/*
- * Copyright (C) 2014 Lucas Stach, Pengutronix
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2014 Lucas Stach, Pengutronix */
 
 static inline void enable_arm_errata_709718_war(void)
 {
diff --git a/arch/arm/include/asm/esr.h b/arch/arm/include/asm/esr.h
index 77eeb2cc64..52347b6862 100644
--- a/arch/arm/include/asm/esr.h
+++ b/arch/arm/include/asm/esr.h
@@ -1,19 +1,7 @@
-/*
- * Copyright (C) 2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.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.
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2013 ARM Ltd */
+
+/* Author: Marc Zyngier */
 
 #ifndef __ASM_ESR_H
 #define __ASM_ESR_H
diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h
index 3e3996a99e..ab6911f914 100644
--- a/arch/arm/include/asm/hardware/sp810.h
+++ b/arch/arm/include/asm/hardware/sp810.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * arch/arm/include/asm/hardware/sp810.h
  *
@@ -5,10 +7,6 @@
  *
  * Copyright (C) 2009 ST Microelectronics
  * Viresh Kumar <viresh.linux@gmail.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
  */
 
 #ifndef __ASM_ARM_SP810_H
diff --git a/arch/arm/include/asm/opcodes-virt.h b/arch/arm/include/asm/opcodes-virt.h
index efcfdf92d9..3d98a0b566 100644
--- a/arch/arm/include/asm/opcodes-virt.h
+++ b/arch/arm/include/asm/opcodes-virt.h
@@ -1,21 +1,8 @@
-/*
- * opcodes-virt.h: Opcode definitions for the ARM virtualization extensions
- * Copyright (C) 2012  Linaro Limited
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2012 Linaro Limited */
+
+/* opcodes-virt.h: Opcode definitions for the ARM virtualization extensions */
+
 #ifndef __ASM_ARM_OPCODES_VIRT_H
 #define __ASM_ARM_OPCODES_VIRT_H
 
diff --git a/arch/arm/include/asm/opcodes.h b/arch/arm/include/asm/opcodes.h
index a78bf5d2c5..64e171a818 100644
--- a/arch/arm/include/asm/opcodes.h
+++ b/arch/arm/include/asm/opcodes.h
@@ -1,10 +1,6 @@
-/*
- *  arch/arm/include/asm/opcodes.h
- *
- * 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-only */
+
+/* arch/arm/include/asm/opcodes.h */
 
 #ifndef __ASM_ARM_OPCODES_H
 #define __ASM_ARM_OPCODES_H
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index fd1521d5cb..5d6a68c0a6 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -1,12 +1,8 @@
-/*
- *  arch/arm/include/asm/pgtable-hwdef.h
- *
- *  Copyright (C) 1995-2002 Russell King
- *
- * 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-only */
+/* SPDX-FileCopyrightText: 1995-2002 Russell King */
+
+/* arch/arm/include/asm/pgtable-hwdef.h */
+
 #ifndef _ASMARM_PGTABLE_HWDEF_H
 #define _ASMARM_PGTABLE_HWDEF_H
 
diff --git a/arch/arm/include/asm/pgtable64.h b/arch/arm/include/asm/pgtable64.h
index d142612d0d..dbec61753b 100644
--- a/arch/arm/include/asm/pgtable64.h
+++ b/arch/arm/include/asm/pgtable64.h
@@ -1,18 +1,6 @@
-/*
- * Copyright (C) 2012 ARM Ltd.
- *
- * 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.
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2012 ARM Ltd. */
+
 #ifndef __ASM_PGTABLE64_H
 #define __ASM_PGTABLE64_H
 
diff --git a/arch/arm/include/asm/proc-armv/system.h b/arch/arm/include/asm/proc-armv/system.h
index c61374e9f2..75ab503d9d 100644
--- a/arch/arm/include/asm/proc-armv/system.h
+++ b/arch/arm/include/asm/proc-armv/system.h
@@ -1,12 +1,8 @@
-/*
- *  linux/include/asm-arm/proc-armv/system.h
- *
- *  Copyright (C) 1996 Russell King
- *
- * 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-only */
+/* SPDX-FileCopyrightText 1996 Russell King */
+
+/* linux/include/asm-arm/proc-armv/system.h */
+
 #ifndef __ASM_PROC_SYSTEM_H
 #define __ASM_PROC_SYSTEM_H
 
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
index b616e4b20e..3c1d046eb9 100644
--- a/arch/arm/include/asm/psci.h
+++ b/arch/arm/include/asm/psci.h
@@ -1,19 +1,7 @@
-/*
- * Copyright (C) 2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.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.
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2013 ARM Ltd */
+
+/* Author: Marc Zyngier */
 
 #ifndef __ARM_PSCI_H__
 #define __ARM_PSCI_H__
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 042e0cef70..e0304501cc 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -1,12 +1,8 @@
-/*
- *  arch/arm/include/asm/ptrace.h
- *
- *  Copyright (C) 1996-2003 Russell King
- *
- * 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-only */
+/* SPDX-FileCopyrightText: 1996-2003 Russell King */
+
+/* arch/arm/include/asm/ptrace.h */
+
 #ifndef __ASM_ARM_PTRACE_H
 #define __ASM_ARM_PTRACE_H
 
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 6ce35fb8d3..954b777721 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 1997-1999 Russell King */
+
 /*
- *  Copyright (C) 1997-1999 Russell King
- *
- * 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.
- *
  *  Structure passed to kernel to tell it about the
  *  hardware it's running on.  See linux/Documentation/arm/Setup
  *  for more info.
diff --git a/arch/arm/include/asm/unified.h b/arch/arm/include/asm/unified.h
index 13a2bfffa7..5501d7f703 100644
--- a/arch/arm/include/asm/unified.h
+++ b/arch/arm/include/asm/unified.h
@@ -1,18 +1,7 @@
-/*
- * include/asm-arm/unified.h - Unified Assembler Syntax helper macros
- *
- * Copyright (C) 2008 ARM Limited
- *
- * 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.
- *
- * 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.
- *
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2008 ARM Limited */
+
+/* Unified Assembler Syntax helper macros */
 
 #ifndef __ASM_UNIFIED_H
 #define __ASM_UNIFIED_H
diff --git a/arch/arm/include/asm/unwind.h b/arch/arm/include/asm/unwind.h
index a6f3a91743..319527ec9b 100644
--- a/arch/arm/include/asm/unwind.h
+++ b/arch/arm/include/asm/unwind.h
@@ -1,18 +1,7 @@
-/*
- * arch/arm/include/asm/unwind.h
- *
- * Copyright (C) 2008 ARM Limited
- *
- * 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.
- *
- * 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.
- *
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2008 ARM Limited */
+
+/* arch/arm/include/asm/unwind.h */
 
 #ifndef __ASM_UNWIND_H
 #define __ASM_UNWIND_H
diff --git a/arch/arm/lib64/armlinux.c b/arch/arm/lib64/armlinux.c
index bcff770793..a5f122edcd 100644
--- a/arch/arm/lib64/armlinux.c
+++ b/arch/arm/lib64/armlinux.c
@@ -1,15 +1,5 @@
-/*
- * Copyright (C) 2018 Sascha Hauer <s.hauer@pengutronix.de>
- *
- * 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; version 2.
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2018 Sascha Hauer <s.hauer@pengutronix.de>
 
 #include <boot.h>
 #include <common.h>
diff --git a/arch/arm/lib64/barebox.lds.S b/arch/arm/lib64/barebox.lds.S
index 8ae7bfb71c..2ebaabef0f 100644
--- a/arch/arm/lib64/barebox.lds.S
+++ b/arch/arm/lib64/barebox.lds.S
@@ -1,19 +1,5 @@
-/*
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 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.
- *
- *
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2000-2004 Wolfgang Denk <wd@denx.de>, DENX Software Engineering */
 
 #include <asm-generic/barebox.lds.h>
 
diff --git a/arch/arm/lib64/copy_template.S b/arch/arm/lib64/copy_template.S
index cc9a84260d..8e4ff059d1 100644
--- a/arch/arm/lib64/copy_template.S
+++ b/arch/arm/lib64/copy_template.S
@@ -1,28 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2013 ARM Ltd. */
+/* SPDX-FileCopyrightText: 2013 Linaro */
+
 /*
- * Copyright (C) 2013 ARM Ltd.
- * Copyright (C) 2013 Linaro.
- *
  * This code is based on glibc cortex strings work originally authored by Linaro
  * and re-licensed under GPLv2 for the Linux kernel. The original code can
  * be found @
  *
  * http://bazaar.launchpad.net/~linaro-toolchain-dev/cortex-strings/trunk/
  * files/head:/src/aarch64/
- *
- * 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.
- *
- * 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, see <http://www.gnu.org/licenses/>.
  */
 
-
 /*
  * Copy a buffer from src to dest (alignment handled by the hardware)
  *
diff --git a/arch/arm/lib64/div0.c b/arch/arm/lib64/div0.c
index 46f6452419..56ecba750c 100644
--- a/arch/arm/lib64/div0.c
+++ b/arch/arm/lib64/div0.c
@@ -1,18 +1,6 @@
-/*
- * (C) Copyright 2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 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.
- *
- */
+// SPDX-License-Identifier: GPL-2.0-or-later
+// SPDX-FileCopyrightText: 2002 Wolfgang Denk <wd@denx.de>, DENX Software Engineering
+
 #include <common.h>
 
 extern void __div0(void);
diff --git a/arch/arm/lib64/memcpy.S b/arch/arm/lib64/memcpy.S
index a70e96ca29..92845b25a6 100644
--- a/arch/arm/lib64/memcpy.S
+++ b/arch/arm/lib64/memcpy.S
@@ -1,25 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2013 ARM Ltd. */
+/* SPDX-FileCopyrightText: 2013 Linaro */
+
 /*
- * Copyright (C) 2013 ARM Ltd.
- * Copyright (C) 2013 Linaro.
- *
  * This code is based on glibc cortex strings work originally authored by Linaro
  * and re-licensed under GPLv2 for the Linux kernel. The original code can
  * be found @
  *
  * http://bazaar.launchpad.net/~linaro-toolchain-dev/cortex-strings/trunk/
  * files/head:/src/aarch64/
- *
- * 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.
- *
- * 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, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/linkage.h>
diff --git a/arch/arm/lib64/memset.S b/arch/arm/lib64/memset.S
index d17bcc6125..ff201750f1 100644
--- a/arch/arm/lib64/memset.S
+++ b/arch/arm/lib64/memset.S
@@ -1,25 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-FileCopyrightText: 2013 ARM Ltd. */
+/* SPDX-FileCopyrightText: 2013 Linaro */
+
 /*
- * Copyright (C) 2013 ARM Ltd.
- * Copyright (C) 2013 Linaro.
- *
  * This code is based on glibc cortex strings work originally authored by Linaro
  * and re-licensed under GPLv2 for the Linux kernel. The original code can
  * be found @
  *
  * http://bazaar.launchpad.net/~linaro-toolchain-dev/cortex-strings/trunk/
  * files/head:/src/aarch64/
- *
- * 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.
- *
- * 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, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/linkage.h>
diff --git a/arch/arm/lib64/setjmp.S b/arch/arm/lib64/setjmp.S
index a7f6d05417..0910e2f5a6 100644
--- a/arch/arm/lib64/setjmp.S
+++ b/arch/arm/lib64/setjmp.S
@@ -1,7 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * (C) 2017 Theobroma Systems Design und Consulting GmbH
- */
+/* SPDX-FileCopyrightText: 2017 Theobroma Systems Design und Consulting GmbH */
 
 #include <config.h>
 #include <linux/linkage.h>
diff --git a/arch/arm/lib64/stacktrace.c b/arch/arm/lib64/stacktrace.c
index 4391188446..db5691a609 100644
--- a/arch/arm/lib64/stacktrace.c
+++ b/arch/arm/lib64/stacktrace.c
@@ -1,13 +1,4 @@
-/*
- * 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; version 2.
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0-only
 
 #include <common.h>
 #include <asm/stacktrace.h>
diff --git a/arch/arm/mach-layerscape/ppa.c b/arch/arm/mach-layerscape/ppa.c
index 477e894781..6ab7659be7 100644
--- a/arch/arm/mach-layerscape/ppa.c
+++ b/arch/arm/mach-layerscape/ppa.c
@@ -77,8 +77,8 @@ static int ppa_init(void *ppa, size_t ppa_size, void *sec_firmware_addr)
 	if (IS_ERR(conf)) {
 		pr_err("Cannot open default config in ppa FIT image: %s\n",
 		       strerrorp(conf));
-		fit_close(fit);
-		return PTR_ERR(fit);
+		ret = PTR_ERR(fit);
+		goto err;
 	}
 
 
@@ -86,7 +86,6 @@ static int ppa_init(void *ppa, size_t ppa_size, void *sec_firmware_addr)
 	if (ret) {
 		pr_err("Cannot open firmware image in ppa FIT image: %s\n",
 		       strerror(-ret));
-		ret = PTR_ERR(fit);
 		goto err;
 	}
 
@@ -107,7 +106,7 @@ static int ppa_init(void *ppa, size_t ppa_size, void *sec_firmware_addr)
 err:
 	fit_close(fit);
 
-	return 0;
+	return ret;
 }
 
 int ls1046a_ppa_init(resource_size_t ppa_start, resource_size_t ppa_size)
diff --git a/arch/arm/mach-versatile/include/mach/platform.h b/arch/arm/mach-versatile/include/mach/platform.h
index 29c4d922b0..6f4b00360f 100644
--- a/arch/arm/mach-versatile/include/mach/platform.h
+++ b/arch/arm/mach-versatile/include/mach/platform.h
@@ -1,21 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-FileCopyrightText: 2003 ARM Limited */
+
 /*
- * ach-arm926ejs/include/mach/platform.h
- *
  * Borrowed from Linux v2.6.35
  * arch/arm/mach-versatile/include/mach/platform.h
- *
- * Copyright (c) ARM Limited 2003.  All rights reserved.
- *
- * 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.
- *
  */
 
 #ifndef __address_h