38 lines
727 B
C
38 lines
727 B
C
|
/*
|
||
|
|
* Copyright 2016 NXP Semiconductors
|
||
|
|
*
|
||
|
|
* 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/kernel.h>
|
||
|
|
#include <linux/suspend.h>
|
||
|
|
#include <linux/io.h>
|
||
|
|
|
||
|
|
static int imx25_suspend_enter(suspend_state_t state)
|
||
|
|
{
|
||
|
|
if (!IS_ENABLED(CONFIG_PM))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
switch (state) {
|
||
|
|
case PM_SUSPEND_MEM:
|
||
|
|
cpu_do_idle();
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct platform_suspend_ops imx25_suspend_ops = {
|
||
|
|
.enter = imx25_suspend_enter,
|
||
|
|
.valid = suspend_valid_only_mem,
|
||
|
|
};
|
||
|
|
|
||
|
|
void __init imx25_pm_init(void)
|
||
|
|
{
|
||
|
|
suspend_set_ops(&imx25_suspend_ops);
|
||
|
|
}
|