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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>
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/*
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* Copyright (C) 2010 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/suspend.h>
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#include <linux/io.h>
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#include <mach/system.h>
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static int mxs_suspend_enter(suspend_state_t state)
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{
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switch (state) {
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case PM_SUSPEND_MEM:
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arch_idle();
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static struct platform_suspend_ops mxs_suspend_ops = {
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.enter = mxs_suspend_enter,
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.valid = suspend_valid_only_mem,
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};
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static int __init mxs_pm_init(void)
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{
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suspend_set_ops(&mxs_suspend_ops);
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return 0;
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}
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device_initcall(mxs_pm_init);
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