On Wednesday, 22 of October 2008, Shaohua Li wrote:
> 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.
Well, resume() is specific to system sleep state transitions, so it seems we
need a separate driver callback here.
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