376e9c5848
This is a very initial pm support and basically does nothing. With this pm support entry, drivers can start testing their own pm functions. Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
43 lines
1 KiB
C
43 lines
1 KiB
C
/*
|
|
* Copyright (C) 2010 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 as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/suspend.h>
|
|
#include <linux/io.h>
|
|
#include <mach/system.h>
|
|
|
|
static int mxs_suspend_enter(suspend_state_t state)
|
|
{
|
|
switch (state) {
|
|
case PM_SUSPEND_MEM:
|
|
arch_idle();
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_suspend_ops mxs_suspend_ops = {
|
|
.enter = mxs_suspend_enter,
|
|
.valid = suspend_valid_only_mem,
|
|
};
|
|
|
|
static int __init mxs_pm_init(void)
|
|
{
|
|
suspend_set_ops(&mxs_suspend_ops);
|
|
return 0;
|
|
}
|
|
device_initcall(mxs_pm_init);
|