Re: [RFC 2/5] devcore adds generic wakeup event handler

Shaohua Li
2008-10-22T05:24:06Z

On Mon, Oct 20, 2008 at 03:06:58AM +0800, Rafael J. Wysocki wrote:
> On Thursday, 11 of September 2008, Shaohua Li wrote:
> > The default action to handle wakeup event. Currently just prints something,
> > maybe we should call .resume(). The routine will be called in task context.
> >
> > ---
> > drivers/base/power/main.c | 6 ++++++
> > include/linux/pm.h | 2 ++
> > 2 files changed, 8 insertions(+)
> >
> > Index: linux/drivers/base/power/main.c
> > ===================================================================
> > --- linux.orig/drivers/base/power/main.c 2008-09-11 10:56:26.000000000 +0800
> > +++ linux/drivers/base/power/main.c 2008-09-11 10:56:39.000000000 +0800
> > @@ -785,3 +785,9 @@ void __suspend_report_result(const char
> > }
> > }
> > EXPORT_SYMBOL_GPL(__suspend_report_result);
> > +
> > +void device_receive_wakeup_event(struct device *dev)
> > +{
> > + printk("Device %s invokes wakeup event\n", dev->bus_id);
> > +}
> > +EXPORT_SYMBOL(device_receive_wakeup_event);
> > Index: linux/include/linux/pm.h
> > ===================================================================
> > --- linux.orig/include/linux/pm.h 2008-09-11 10:56:29.000000000 +0800
> > +++ linux/include/linux/pm.h 2008-09-11 10:56:39.000000000 +0800
> > @@ -440,6 +440,8 @@ static inline int device_suspend(pm_mess
> >
> > #endif /* !CONFIG_PM_SLEEP */
> >
> > +void device_receive_wakeup_event(struct device *dev);
> > +
> > /*
> > * Global Power Management flags
> > * Used to keep APM and ACPI from both being active
>
> Do you anticipate any particular use of this function?
maybe calls .resume() to wakeup a device.