mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-28 05:24:47 +08:00
37 lines
918 B
C
37 lines
918 B
C
|
/*
|
||
|
|
* Copyright (C) 2012 Freescale Semiconductor, Inc.
|
||
|
|
*
|
||
|
|
* 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/cpuidle.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <asm/system_misc.h>
|
||
|
|
|
||
|
|
static int imx5_cpuidle_enter(struct cpuidle_device *dev,
|
||
|
|
struct cpuidle_driver *drv, int index)
|
||
|
|
{
|
||
|
|
arm_pm_idle();
|
||
|
|
return index;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct cpuidle_driver imx5_cpuidle_driver = {
|
||
|
|
.name = "imx5_cpuidle",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.states[0] = {
|
||
|
|
.enter = imx5_cpuidle_enter,
|
||
|
|
.exit_latency = 2,
|
||
|
|
.target_residency = 1,
|
||
|
|
.name = "IMX5 SRPG",
|
||
|
|
.desc = "CPU state retained,powered off",
|
||
|
|
},
|
||
|
|
.state_count = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
int __init imx5_cpuidle_init(void)
|
||
|
|
{
|
||
|
|
return cpuidle_register(&imx5_cpuidle_driver, NULL);
|
||
|
|
}
|