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diff --git a/arch/arm/mach-versatile/platsmp.h b/arch/arm/mach-versatile/platsmp.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2011 ARM Ltd.
+ * All Rights Reserved
+ */
+extern volatile int versatile_cpu_release;
+
+extern void versatile_secondary_startup(void);
+extern void versatile_secondary_init(unsigned int cpu);
+extern int versatile_boot_secondary(unsigned int cpu, struct task_struct *idle);
+void versatile_immitation_cpu_die(unsigned int cpu, unsigned int actrl_mask);