https://github.com/torvalds/linux
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Tip revision: d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 authored by Linus Torvalds on 05 July 2015, 18:01:52 UTC
Linux 4.2-rc1
Tip revision: d770e55
idle.c
/*
 * arch/arm/mach-gemini/idle.c
 */

#include <linux/init.h>
#include <asm/system_misc.h>
#include <asm/proc-fns.h>

static void gemini_idle(void)
{
	/*
	 * Because of broken hardware we have to enable interrupts or the CPU
	 * will never wakeup... Acctualy it is not very good to enable
	 * interrupts first since scheduler can miss a tick, but there is
	 * no other way around this. Platforms that needs it for power saving
	 * should enable it in init code, since by default it is
	 * disabled.
	 */

	/* FIXME: Enabling interrupts here is racy! */
	local_irq_enable();
	cpu_do_idle();
}

static int __init gemini_idle_init(void)
{
	arm_pm_idle = gemini_idle;
	return 0;
}

arch_initcall(gemini_idle_init);
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