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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/arch/arm/mach-oxnas/platsmp.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
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  * Copyright (C) 2013 Ma Haijun <mahaijuns@gmail.com>
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  * Copyright (C) 2002 ARM Ltd.
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  * All Rights Reserved
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/io.h>
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 #include <linux/delay.h>
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@@ -19,7 +16,6 @@
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 #include <asm/smp_scu.h>
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 extern void ox820_secondary_startup(void);
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-extern void ox820_cpu_die(unsigned int cpu);
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 static void __iomem *cpu_ctrl;
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 static void __iomem *gic_cpu_ctrl;
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@@ -31,7 +27,8 @@
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 #define GIC_CPU_CTRL			0x00
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 #define GIC_CPU_CTRL_ENABLE		1
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-int __init ox820_boot_secondary(unsigned int cpu, struct task_struct *idle)
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+static int __init ox820_boot_secondary(unsigned int cpu,
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+		struct task_struct *idle)
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 {
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 	/*
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 	 * Write the address of secondary startup into the
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@@ -94,9 +91,6 @@
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 static const struct smp_operations ox820_smp_ops __initconst = {
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 	.smp_prepare_cpus	= ox820_smp_prepare_cpus,
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 	.smp_boot_secondary	= ox820_boot_secondary,
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-#ifdef CONFIG_HOTPLUG_CPU
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-	.cpu_die		= ox820_cpu_die,
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-#endif
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 };
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 CPU_METHOD_OF_DECLARE(ox820_smp, "oxsemi,ox820-smp", &ox820_smp_ops);