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/*
* Copyright (C) 2002 ARM Ltd.
* 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 version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/smp.h>
#include <asm/smp_plat.h>
#include "common.h"
static inline void cpu_enter_lowpower(void)
{
}
static inline void cpu_leave_lowpower(void)
{
}
static inline void platform_do_lowpower(unsigned int cpu)
{
asm("wfi"
:
:
: "memory", "cc");
}
/*
* platform-specific code to shutdown a CPU
*
* Called with IRQs disabled
*/
void __ref msm_cpu_die(unsigned int cpu)
{
/*
* we're ready for shutdown now, so do it
*/
cpu_enter_lowpower();
platform_do_lowpower(cpu);
/*
* bring this CPU back into the world of cache
* coherency, and then restore interrupts
*/
cpu_leave_lowpower();
}
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