16 files changed, 32 insertions, 102 deletions
diff --git a/arch/openrisc/kernel/asm-offsets.c b/arch/openrisc/kernel/asm-offsets.c
index ddb736855863..e435ae01c600 100644
--- a/arch/openrisc/kernel/asm-offsets.c
+++ b/arch/openrisc/kernel/asm-offsets.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC asm-offsets.c
  *
@@ -9,11 +10,6 @@
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  *
- *      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 used to generate definitions needed by
  * assembly language modules.
  *
diff --git a/arch/openrisc/kernel/dma.c b/arch/openrisc/kernel/dma.c
index f79457cb3741..b41a79fcdbd9 100644
--- a/arch/openrisc/kernel/dma.c
+++ b/arch/openrisc/kernel/dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC Linux
  *
@@ -9,11 +10,6 @@
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  *
- *      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.
- *
  * DMA mapping callbacks...
  * As alloc_coherent is the only DMA callback being used currently, that's
  * the only thing implemented properly.  The rest need looking into...
@@ -98,15 +94,13 @@ arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
 
 	va = (unsigned long)page;
 
-	if ((attrs & DMA_ATTR_NON_CONSISTENT) == 0) {
-		/*
-		 * We need to iterate through the pages, clearing the dcache for
-		 * them and setting the cache-inhibit bit.
-		 */
-		if (walk_page_range(va, va + size, &walk)) {
-			free_pages_exact(page, size);
-			return NULL;
-		}
+	/*
+	 * We need to iterate through the pages, clearing the dcache for
+	 * them and setting the cache-inhibit bit.
+	 */
+	if (walk_page_range(va, va + size, &walk)) {
+		free_pages_exact(page, size);
+		return NULL;
 	}
 
 	return (void *)va;
@@ -122,10 +116,8 @@ arch_dma_free(struct device *dev, size_t size, void *vaddr,
 		.mm = &init_mm
 	};
 
-	if ((attrs & DMA_ATTR_NON_CONSISTENT) == 0) {
-		/* walk_page_range shouldn't be able to fail here */
-		WARN_ON(walk_page_range(va, va + size, &walk));
-	}
+	/* walk_page_range shouldn't be able to fail here */
+	WARN_ON(walk_page_range(va, va + size, &walk));
 
 	free_pages_exact(vaddr, size);
 }
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index ee6159d2ed22..e4a78571f883 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * OpenRISC entry.S
  *
@@ -9,11 +10,6 @@
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2005 Gyorgy Jeney <nog@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/linkage.h>
diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S
index 31ed257ff061..b0dc974f9a74 100644
--- a/arch/openrisc/kernel/head.S
+++ b/arch/openrisc/kernel/head.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * OpenRISC head.S
  *
@@ -8,11 +9,6 @@
  * Modifications for the OpenRISC architecture:
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/linkage.h>
diff --git a/arch/openrisc/kernel/irq.c b/arch/openrisc/kernel/irq.c
index 5f9445effaf8..c38fa863afa8 100644
--- a/arch/openrisc/kernel/irq.c
+++ b/arch/openrisc/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC irq.c
  *
@@ -7,11 +8,6 @@
  *
  * Modifications for the OpenRISC architecture:
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/interrupt.h>
diff --git a/arch/openrisc/kernel/module.c b/arch/openrisc/kernel/module.c
index ef872ae4c878..532013f523ac 100644
--- a/arch/openrisc/kernel/module.c
+++ b/arch/openrisc/kernel/module.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC module.c
  *
@@ -7,11 +8,6 @@
  *
  * Modifications for the OpenRISC architecture:
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/moduleloader.h>
diff --git a/arch/openrisc/kernel/or32_ksyms.c b/arch/openrisc/kernel/or32_ksyms.c
index d7260fdb0351..7d6a62eee2ef 100644
--- a/arch/openrisc/kernel/or32_ksyms.c
+++ b/arch/openrisc/kernel/or32_ksyms.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC or32_ksyms.c
  *
@@ -8,11 +9,6 @@
  * Modifications for the OpenRISC architecture:
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/export.h>
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
index 8739b6d75005..b06f84f6676f 100644
--- a/arch/openrisc/kernel/process.c
+++ b/arch/openrisc/kernel/process.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC process.c
  *
@@ -9,11 +10,6 @@
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  *
- *      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 file handles the architecture-dependent parts of process handling...
  */
 
diff --git a/arch/openrisc/kernel/prom.c b/arch/openrisc/kernel/prom.c
index 6a44340d1b18..19e6008bf114 100644
--- a/arch/openrisc/kernel/prom.c
+++ b/arch/openrisc/kernel/prom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC prom.c
  *
@@ -8,14 +9,8 @@
  * Modifications for the OpenRISC architecture:
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  *
- *      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.
- *
  * Architecture specific procedures for creating, accessing and
  * interpreting the device tree.
- *
  */
 
 #include <linux/init.h>
diff --git a/arch/openrisc/kernel/ptrace.c b/arch/openrisc/kernel/ptrace.c
index e8fb2a764f46..6a5a91c76338 100644
--- a/arch/openrisc/kernel/ptrace.c
+++ b/arch/openrisc/kernel/ptrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC ptrace.c
  *
@@ -9,11 +10,6 @@
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2005 Gyorgy Jeney <nog@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/kernel.h>
diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
index 17c00d06d91b..d668f5be3a99 100644
--- a/arch/openrisc/kernel/setup.c
+++ b/arch/openrisc/kernel/setup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC setup.c
  *
@@ -9,11 +10,6 @@
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  *
- *      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 file handles the architecture-dependent parts of initialization
  */
 
diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
index 5ac9d3b1d615..4f0754874d78 100644
--- a/arch/openrisc/kernel/signal.c
+++ b/arch/openrisc/kernel/signal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC signal.c
  *
@@ -8,11 +9,6 @@
  * Modifications for the OpenRISC architecture:
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/sched.h>
@@ -99,7 +95,7 @@ asmlinkage long _sys_rt_sigreturn(struct pt_regs *regs)
 	return regs->gpr[11];
 
 badframe:
-	force_sig(SIGSEGV, current);
+	force_sig(SIGSEGV);
 	return 0;
 }
 
diff --git a/arch/openrisc/kernel/sys_call_table.c b/arch/openrisc/kernel/sys_call_table.c
index e1f8ce8c72a8..3d18008310e4 100644
--- a/arch/openrisc/kernel/sys_call_table.c
+++ b/arch/openrisc/kernel/sys_call_table.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC sys_call_table.c
  *
@@ -7,11 +8,6 @@
  *
  * Modifications for the OpenRISC architecture:
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/syscalls.h>
diff --git a/arch/openrisc/kernel/time.c b/arch/openrisc/kernel/time.c
index 6baecea27080..b82866061958 100644
--- a/arch/openrisc/kernel/time.c
+++ b/arch/openrisc/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC time.c
  *
@@ -7,11 +8,6 @@
  *
  * Modifications for the OpenRISC architecture:
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
- *
- *      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.
  */
 
 #include <linux/kernel.h>
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index 6ed7293ef007..932a8ec2b520 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * OpenRISC traps.c
  *
@@ -9,15 +10,9 @@
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  *
- *      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.
- *
  *  Here we handle the break vectors not used by the system call
  *  mechanism, as well as some general stack/register dumping
  *  things.
- *
  */
 
 #include <linux/init.h>
@@ -249,7 +244,7 @@ void __init trap_init(void)
 
 asmlinkage void do_trap(struct pt_regs *regs, unsigned long address)
 {
-	force_sig_fault(SIGTRAP, TRAP_TRACE, (void __user *)address, current);
+	force_sig_fault(SIGTRAP, TRAP_TRACE, (void __user *)address);
 
 	regs->pc += 4;
 }
@@ -258,7 +253,7 @@ asmlinkage void do_unaligned_access(struct pt_regs *regs, unsigned long address)
 {
 	if (user_mode(regs)) {
 		/* Send a SIGBUS */
-		force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)address, current);
+		force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)address);
 	} else {
 		printk("KERNEL: Unaligned Access 0x%.8lx\n", address);
 		show_registers(regs);
@@ -271,7 +266,7 @@ asmlinkage void do_bus_fault(struct pt_regs *regs, unsigned long address)
 {
 	if (user_mode(regs)) {
 		/* Send a SIGBUS */
-		force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, current);
+		force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address);
 	} else {		/* Kernel mode */
 		printk("KERNEL: Bus error (SIGBUS) 0x%.8lx\n", address);
 		show_registers(regs);
@@ -376,7 +371,7 @@ static inline void simulate_lwa(struct pt_regs *regs, unsigned long address,
 
 	if (get_user(value, lwa_addr)) {
 		if (user_mode(regs)) {
-			force_sig(SIGSEGV, current);
+			force_sig(SIGSEGV);
 			return;
 		}
 
@@ -423,7 +418,7 @@ static inline void simulate_swa(struct pt_regs *regs, unsigned long address,
 
 	if (put_user(regs->gpr[rb], vaddr)) {
 		if (user_mode(regs)) {
-			force_sig(SIGSEGV, current);
+			force_sig(SIGSEGV);
 			return;
 		}
 
@@ -466,7 +461,7 @@ asmlinkage void do_illegal_instruction(struct pt_regs *regs,
 
 	if (user_mode(regs)) {
 		/* Send a SIGILL */
-		force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)address, current);
+		force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)address);
 	} else {		/* Kernel mode */
 		printk("KERNEL: Illegal instruction (SIGILL) 0x%.8lx\n",
 		       address);
diff --git a/arch/openrisc/kernel/vmlinux.lds.S b/arch/openrisc/kernel/vmlinux.lds.S
index 953bdcd54efe..2e2c72c157f3 100644
--- a/arch/openrisc/kernel/vmlinux.lds.S
+++ b/arch/openrisc/kernel/vmlinux.lds.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * OpenRISC vmlinux.lds.S
  *
@@ -9,11 +10,6 @@
  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  *
- *      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.
- *
  * ld script for OpenRISC architecture
  */