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/*
* ARM64 CPU idle arch support
*
* Copyright (C) 2014 ARM Ltd.
* Author: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
*
* 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/of.h>
#include <linux/of_device.h>
#include <asm/cpuidle.h>
#include <asm/cpu_ops.h>
int cpu_init_idle(unsigned int cpu)
{
int ret = -EOPNOTSUPP;
struct device_node *cpu_node = of_cpu_device_node_get(cpu);
if (!cpu_node)
return -ENODEV;
if (cpu_ops[cpu] && cpu_ops[cpu]->cpu_init_idle)
ret = cpu_ops[cpu]->cpu_init_idle(cpu_node, cpu);
of_node_put(cpu_node);
return ret;
}
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