[deliverable/linux.git] / arch / arm / mach-gemini / 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);
Commit	Line	Data
8925b0f8 NP	1	/*
	2	* arch/arm/mach-gemini/idle.c
	3	*/
	4
	5	#include <linux/init.h>
74c4137b	6	#include <asm/system_misc.h>
8925b0f8 NP	7	#include <asm/proc-fns.h>
	8
	9	static void gemini_idle(void)
	10	{
	11	/*
	12	* Because of broken hardware we have to enable interrupts or the CPU
	13	* will never wakeup... Acctualy it is not very good to enable
	14	* interrupts first since scheduler can miss a tick, but there is
	15	* no other way around this. Platforms that needs it for power saving
f7b861b7	16	* should enable it in init code, since by default it is
8925b0f8 NP	17	* disabled.
8925b0f8 NP	18	*/
f7b861b7 TG	19
f7b861b7 TG	20	/* FIXME: Enabling interrupts here is racy! */
8925b0f8 NP	21	local_irq_enable();
	22	cpu_do_idle();
	23	}
	24
	25	static int __init gemini_idle_init(void)
	26	{
	27	arm_pm_idle = gemini_idle;
	28	return 0;
	29	}
	30
	31	arch_initcall(gemini_idle_init);