PM: platform_bus and late_suspend/early_resume
Teach platform_bus about the new suspend_late/resume_early PM calls, issued with IRQs off. Do we really need sysdev and friends any more, or can janitors start switching its users over to platform_device so we can do a minor code-ectomy? Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -505,12 +505,36 @@ static int platform_match(struct device * dev, struct device_driver * drv)
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return (strncmp(pdev->name, drv->name, BUS_ID_SIZE) == 0);
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return (strncmp(pdev->name, drv->name, BUS_ID_SIZE) == 0);
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}
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}
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static int platform_suspend(struct device * dev, pm_message_t state)
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static int platform_suspend(struct device *dev, pm_message_t mesg)
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{
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{
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int ret = 0;
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int ret = 0;
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if (dev->driver && dev->driver->suspend)
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if (dev->driver && dev->driver->suspend)
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ret = dev->driver->suspend(dev, state);
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ret = dev->driver->suspend(dev, mesg);
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return ret;
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}
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static int platform_suspend_late(struct device *dev, pm_message_t mesg)
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{
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struct platform_driver *drv = to_platform_driver(dev->driver);
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struct platform_device *pdev = container_of(dev, struct platform_device, dev);
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int ret = 0;
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if (dev->driver && drv->suspend_late)
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ret = drv->suspend_late(pdev, mesg);
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return ret;
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}
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static int platform_resume_early(struct device *dev)
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{
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struct platform_driver *drv = to_platform_driver(dev->driver);
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struct platform_device *pdev = container_of(dev, struct platform_device, dev);
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int ret = 0;
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if (dev->driver && drv->resume_early)
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ret = drv->resume_early(pdev);
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return ret;
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return ret;
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}
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}
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@ -531,6 +555,8 @@ struct bus_type platform_bus_type = {
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.match = platform_match,
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.match = platform_match,
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.uevent = platform_uevent,
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.uevent = platform_uevent,
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.suspend = platform_suspend,
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.suspend = platform_suspend,
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.suspend_late = platform_suspend_late,
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.resume_early = platform_resume_early,
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.resume = platform_resume,
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.resume = platform_resume,
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};
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};
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EXPORT_SYMBOL_GPL(platform_bus_type);
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EXPORT_SYMBOL_GPL(platform_bus_type);
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@ -49,6 +49,8 @@ struct platform_driver {
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int (*remove)(struct platform_device *);
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int (*remove)(struct platform_device *);
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void (*shutdown)(struct platform_device *);
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void (*shutdown)(struct platform_device *);
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int (*suspend)(struct platform_device *, pm_message_t state);
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int (*suspend)(struct platform_device *, pm_message_t state);
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int (*suspend_late)(struct platform_device *, pm_message_t state);
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int (*resume_early)(struct platform_device *);
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int (*resume)(struct platform_device *);
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int (*resume)(struct platform_device *);
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struct device_driver driver;
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struct device_driver driver;
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};
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};
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