kernel-ark/arch/arm/mach-gemini/idle.c
Nicolas Pitre 8925b0f88e ARM: mach-gemini: move special idle code out of line
... and hook it to arm_pm_idle.

Signed-off-by: nicolas Pitre <nicolas.pitre@linaro.org>
2012-01-20 18:55:12 -05:00

30 lines
666 B
C

/*
* arch/arm/mach-gemini/idle.c
*/
#include <linux/init.h>
#include <asm/system.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 call enable_hlt() in init code, since by default it is
* disabled.
*/
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);