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/*
* Runtime PM support code for OMAP
*
* Author: Kevin Hilman, Deep Root Systems, LLC
*
* Copyright (C) 2010 Texas Instruments, Inc.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
#include <linux/mutex.h>
#include <plat/omap_device.h>
#include <plat/omap-pm.h>
#ifdef CONFIG_PM_RUNTIME
int platform_pm_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct omap_device *odev = to_omap_device(pdev);
int r, ret = 0;
dev_dbg(dev, "%s\n", __func__);
if (dev->driver->pm && dev->driver->pm->runtime_suspend)
ret = dev->driver->pm->runtime_suspend(dev);
if (!ret && omap_device_is_valid(odev)) {
r = omap_device_idle(pdev);
WARN_ON(r);
}
return ret;
};
int platform_pm_runtime_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct omap_device *odev = to_omap_device(pdev);
int r, ret = 0;
dev_dbg(dev, "%s\n", __func__);
if (omap_device_is_valid(odev)) {
r = omap_device_enable(pdev);
WARN_ON(r);
}
if (dev->driver->pm && dev->driver->pm->runtime_resume)
ret = dev->driver->pm->runtime_resume(dev);
return ret;
};
int platform_pm_runtime_idle(struct device *dev)
{
int ret;
ret = pm_runtime_suspend(dev);
dev_dbg(dev, "%s [%d]\n", __func__, ret);
return 0;
};
#endif /* CONFIG_PM_RUNTIME */
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