[deliverable/linux.git] / arch / arm / mach-mxs / pm.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 "pm.h"

static int mxs_suspend_enter(suspend_state_t state)
{
	switch (state) {
	case PM_SUSPEND_MEM:
		cpu_do_idle();
		break;

	default:
		return -EINVAL;
	}
	return 0;
}

static struct platform_suspend_ops mxs_suspend_ops = {
	.enter = mxs_suspend_enter,
	.valid = suspend_valid_only_mem,
};

void __init mxs_pm_init(void)
{
	suspend_set_ops(&mxs_suspend_ops);
}
Commit	Line	Data
376e9c58 SG	1	/*
	2	* Copyright (C) 2010 Freescale Semiconductor, Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*/
	14
	15	#include <linux/kernel.h>
	16	#include <linux/suspend.h>
	17	#include <linux/io.h>
75433607	18	#include "pm.h"
376e9c58 SG	19
	20	static int mxs_suspend_enter(suspend_state_t state)
	21	{
	22	switch (state) {
	23	case PM_SUSPEND_MEM:
ae940913	24	cpu_do_idle();
376e9c58 SG	25	break;
	26
	27	default:
	28	return -EINVAL;
	29	}
	30	return 0;
	31	}
	32
	33	static struct platform_suspend_ops mxs_suspend_ops = {
	34	.enter = mxs_suspend_enter,
	35	.valid = suspend_valid_only_mem,
	36	};
	37
45680995	38	void __init mxs_pm_init(void)
376e9c58 SG	39	{
376e9c58 SG	40	suspend_set_ops(&mxs_suspend_ops);
376e9c58	41	}