Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sh/drivers/pci/fixups-dreamcast.c b/arch/sh/drivers/pci/fixups-dreamcast.c
index 48aaefd..7be8694 100644
--- a/arch/sh/drivers/pci/fixups-dreamcast.c
+++ b/arch/sh/drivers/pci/fixups-dreamcast.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/drivers/pci/fixups-dreamcast.c
  *
@@ -9,10 +10,6 @@
  * This file originally bore the message (with enclosed-$):
  *	Id: pci.c,v 1.3 2003/05/04 19:29:46 lethal Exp
  *	Dreamcast PCI: Supports SEGA Broadband Adaptor only.
- *
- * 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>
@@ -66,8 +63,7 @@
 		BUG_ON(dma_declare_coherent_memory(&dev->dev,
 						res.start,
 						region.start,
-						resource_size(&res),
-						DMA_MEMORY_EXCLUSIVE));
+						resource_size(&res)));
 		break;
 	default:
 		printk("PCI: Failed resource fixup\n");
diff --git a/arch/sh/drivers/pci/fixups-landisk.c b/arch/sh/drivers/pci/fixups-landisk.c
index db5b40a..53fa2fc 100644
--- a/arch/sh/drivers/pci/fixups-landisk.c
+++ b/arch/sh/drivers/pci/fixups-landisk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/drivers/pci/fixups-landisk.c
  *
@@ -5,9 +6,6 @@
  *
  * Copyright (C) 2006 kogiidena
  * Copyright (C) 2010 Nobuhiro Iwamatsu
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
  */
 #include <linux/kernel.h>
 #include <linux/types.h>
diff --git a/arch/sh/drivers/pci/fixups-r7780rp.c b/arch/sh/drivers/pci/fixups-r7780rp.c
index 2c9b58f..3c9139c 100644
--- a/arch/sh/drivers/pci/fixups-r7780rp.c
+++ b/arch/sh/drivers/pci/fixups-r7780rp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/drivers/pci/fixups-r7780rp.c
  *
@@ -5,10 +6,6 @@
  *
  * Copyright (C) 2003  Lineo uSolutions, Inc.
  * Copyright (C) 2004 - 2006  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/pci.h>
 #include <linux/io.h>
diff --git a/arch/sh/drivers/pci/fixups-rts7751r2d.c b/arch/sh/drivers/pci/fixups-rts7751r2d.c
index 358ac10..3f0a6fe 100644
--- a/arch/sh/drivers/pci/fixups-rts7751r2d.c
+++ b/arch/sh/drivers/pci/fixups-rts7751r2d.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/drivers/pci/fixups-rts7751r2d.c
  *
@@ -6,10 +7,6 @@
  * Copyright (C) 2003  Lineo uSolutions, Inc.
  * Copyright (C) 2004  Paul Mundt
  * Copyright (C) 2007  Nobuhiro Iwamatsu
- *
- * 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/pci.h>
 #include <mach/lboxre2.h>
diff --git a/arch/sh/drivers/pci/fixups-sdk7780.c b/arch/sh/drivers/pci/fixups-sdk7780.c
index 24e96df..c306040 100644
--- a/arch/sh/drivers/pci/fixups-sdk7780.c
+++ b/arch/sh/drivers/pci/fixups-sdk7780.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/drivers/pci/fixups-sdk7780.c
  *
@@ -6,10 +7,6 @@
  * Copyright (C) 2003  Lineo uSolutions, Inc.
  * Copyright (C) 2004 - 2006  Paul Mundt
  * Copyright (C) 2006  Nobuhiro Iwamatsu
- *
- * 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/pci.h>
 #include <linux/io.h>
diff --git a/arch/sh/drivers/pci/fixups-sdk7786.c b/arch/sh/drivers/pci/fixups-sdk7786.c
index 36eb6fc..8cbfa53 100644
--- a/arch/sh/drivers/pci/fixups-sdk7786.c
+++ b/arch/sh/drivers/pci/fixups-sdk7786.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * SDK7786 FPGA PCIe mux handling
  *
  * Copyright (C) 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.
  */
 #define pr_fmt(fmt) "PCI: " fmt
 
diff --git a/arch/sh/drivers/pci/fixups-snapgear.c b/arch/sh/drivers/pci/fixups-snapgear.c
index a931e59..317225c 100644
--- a/arch/sh/drivers/pci/fixups-snapgear.c
+++ b/arch/sh/drivers/pci/fixups-snapgear.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/drivers/pci/ops-snapgear.c
  *
@@ -7,9 +8,6 @@
  *
  * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
  *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
  * PCI initialization for the SnapGear boards
  */
 #include <linux/kernel.h>
diff --git a/arch/sh/drivers/pci/fixups-titan.c b/arch/sh/drivers/pci/fixups-titan.c
index a9d563e..b5bb65c 100644
--- a/arch/sh/drivers/pci/fixups-titan.c
+++ b/arch/sh/drivers/pci/fixups-titan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * arch/sh/drivers/pci/ops-titan.c
  *
@@ -6,9 +7,6 @@
  * Modified from ops-snapgear.c written by  David McCullough
  * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
  *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
  * PCI initialization for the Titan boards
  */
 #include <linux/kernel.h>
diff --git a/arch/sh/drivers/pci/ops-dreamcast.c b/arch/sh/drivers/pci/ops-dreamcast.c
index 16e0a1b..517a8a9 100644
--- a/arch/sh/drivers/pci/ops-dreamcast.c
+++ b/arch/sh/drivers/pci/ops-dreamcast.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI operations for the Sega Dreamcast
  *
  * Copyright (C) 2001, 2002  M. R. Brown
  * Copyright (C) 2002, 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/sched.h>
diff --git a/arch/sh/drivers/pci/ops-sh4.c b/arch/sh/drivers/pci/ops-sh4.c
index b623420..a205be3 100644
--- a/arch/sh/drivers/pci/ops-sh4.c
+++ b/arch/sh/drivers/pci/ops-sh4.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generic SH-4 / SH-4A PCIC operations (SH7751, SH7780).
  *
  * Copyright (C) 2002 - 2009  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License v2. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/pci.h>
 #include <linux/io.h>
diff --git a/arch/sh/drivers/pci/ops-sh5.c b/arch/sh/drivers/pci/ops-sh5.c
index 4536194..9fbaf72 100644
--- a/arch/sh/drivers/pci/ops-sh5.c
+++ b/arch/sh/drivers/pci/ops-sh5.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Support functions for the SH5 PCI hardware.
  *
  * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
  * Copyright (C) 2003, 2004 Paul Mundt
  * Copyright (C) 2004 Richard Curnow
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
  */
 #include <linux/kernel.h>
 #include <linux/rwsem.h>
diff --git a/arch/sh/drivers/pci/ops-sh7786.c b/arch/sh/drivers/pci/ops-sh7786.c
index 1284210..a10f9f4 100644
--- a/arch/sh/drivers/pci/ops-sh7786.c
+++ b/arch/sh/drivers/pci/ops-sh7786.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Generic SH7786 PCI-Express operations.
  *
  *  Copyright (C) 2009 - 2010  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License v2. 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/drivers/pci/pci-dreamcast.c b/arch/sh/drivers/pci/pci-dreamcast.c
index 6336941..4cff2a8 100644
--- a/arch/sh/drivers/pci/pci-dreamcast.c
+++ b/arch/sh/drivers/pci/pci-dreamcast.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PCI support for the Sega Dreamcast
  *
@@ -7,10 +8,6 @@
  * This file originally bore the message (with enclosed-$):
  *	Id: pci.c,v 1.3 2003/05/04 19:29:46 lethal Exp
  *	Dreamcast PCI: Supports SEGA Broadband Adaptor only.
- *
- * 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>
diff --git a/arch/sh/drivers/pci/pci-sh5.c b/arch/sh/drivers/pci/pci-sh5.c
index 8229114..49303fa 100644
--- a/arch/sh/drivers/pci/pci-sh5.c
+++ b/arch/sh/drivers/pci/pci-sh5.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
  * Copyright (C) 2003, 2004 Paul Mundt
  * Copyright (C) 2004 Richard Curnow
  *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
  * Support functions for the SH5 PCI hardware.
  */
 
diff --git a/arch/sh/drivers/pci/pci-sh5.h b/arch/sh/drivers/pci/pci-sh5.h
index 3f01dec..91348af 100644
--- a/arch/sh/drivers/pci/pci-sh5.h
+++ b/arch/sh/drivers/pci/pci-sh5.h
@@ -1,8 +1,6 @@
-/*
- * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
+/* SPDX-License-Identifier: GPL-2.0
  *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
+ * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
  *
  * Definitions for the SH5 PCI hardware.
  */
diff --git a/arch/sh/drivers/pci/pci-sh7751.c b/arch/sh/drivers/pci/pci-sh7751.c
index 86adb1e..11ed21c 100644
--- a/arch/sh/drivers/pci/pci-sh7751.c
+++ b/arch/sh/drivers/pci/pci-sh7751.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Low-Level PCI Support for the SH7751
  *
@@ -5,10 +6,6 @@
  *  Copyright (C) 2001  Dustin McIntire
  *
  *  With cleanup by Paul van Gool <pvangool@mimotech.com>, 2003.
- *
- * 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/pci.h>
@@ -17,7 +14,7 @@
 #include <linux/io.h>
 #include "pci-sh4.h"
 #include <asm/addrspace.h>
-#include <asm/sizes.h>
+#include <linux/sizes.h>
 
 static int __init __area_sdram_check(struct pci_channel *chan,
 				     unsigned int area)
diff --git a/arch/sh/drivers/pci/pci-sh7751.h b/arch/sh/drivers/pci/pci-sh7751.h
index 5ede38c..d1951e5 100644
--- a/arch/sh/drivers/pci/pci-sh7751.h
+++ b/arch/sh/drivers/pci/pci-sh7751.h
@@ -1,12 +1,9 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  *	Low-Level PCI Support for SH7751 targets
  *
  *  Dustin McIntire (dustin@sensoria.com) (c) 2001
  *  Paul Mundt (lethal@linux-sh.org) (c) 2003
- *
- *  May be copied or modified under the terms of the GNU General Public
- *  License.  See linux/COPYING for more information.
- *
  */
 
 #ifndef _PCI_SH7751_H_
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index 5a6dab6..287b3a6 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Low-Level PCI Support for the SH7780
  *
  *  Copyright (C) 2005 - 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/types.h>
 #include <linux/kernel.h>
@@ -19,7 +16,7 @@
 #include <linux/log2.h>
 #include "pci-sh4.h"
 #include <asm/mmu.h>
-#include <asm/sizes.h>
+#include <linux/sizes.h>
 
 #if defined(CONFIG_CPU_BIG_ENDIAN)
 # define PCICR_ENDIANNESS SH4_PCICR_BSWP
diff --git a/arch/sh/drivers/pci/pci-sh7780.h b/arch/sh/drivers/pci/pci-sh7780.h
index 1742e2c..e2ac770 100644
--- a/arch/sh/drivers/pci/pci-sh7780.h
+++ b/arch/sh/drivers/pci/pci-sh7780.h
@@ -1,12 +1,9 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  *	Low-Level PCI Support for SH7780 targets
  *
  *  Dustin McIntire (dustin@sensoria.com) (c) 2001
  *  Paul Mundt (lethal@linux-sh.org) (c) 2003
- *
- *  May be copied or modified under the terms of the GNU General Public
- *  License.  See linux/COPYING for more information.
- *
  */
 
 #ifndef _PCI_SH7780_H_
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 8256626..c7784e1 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * New-style PCI core.
  *
@@ -6,10 +7,6 @@
  *
  * Modelled after arch/mips/pci/pci.c:
  *  Copyright (C) 2003, 04 Ralf Baechle (ralf@linux-mips.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/mm.h>
diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c
index 3d81a8b..e0b568a 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.c
+++ b/arch/sh/drivers/pci/pcie-sh7786.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Low-Level PCI Express Support for the SH7786
  *
  *  Copyright (C) 2009 - 2011  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.
  */
 #define pr_fmt(fmt) "PCI: " fmt
 
@@ -21,7 +18,7 @@
 #include <linux/sh_intc.h>
 #include <cpu/sh7786.h>
 #include "pcie-sh7786.h"
-#include <asm/sizes.h>
+#include <linux/sizes.h>
 
 struct sh7786_pcie_port {
 	struct pci_channel	*hose;
diff --git a/arch/sh/drivers/pci/pcie-sh7786.h b/arch/sh/drivers/pci/pcie-sh7786.h
index 4a6ff55..ffe3836 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.h
+++ b/arch/sh/drivers/pci/pcie-sh7786.h
@@ -1,12 +1,9 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * SH7786 PCI-Express controller definitions.
  *
  * Copyright (C) 2008, 2009 Renesas Technology Corp.
  * All rights reserved.
- *
- * 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.
  */
 #ifndef __PCI_SH7786_H
 #define __PCI_SH7786_H