Re: [RFD] Automatic suspend

[Pavel Machek]

Hi!

> > > The recent descussion about the Android PM patches sent by Arve shows that
> > > there is a need to introduce a mechanism allowing us to:
> > > (1) automatically put the system as a whole into a sleep state (eg. suspend to
> > >     RAM) when it is found to be "idle", where the meaning of "idle" has to be
> > >     defined too,
> > 
> > Well; I'd prefer to keep the interface very minimal.
> > 
> > If no devices are being used,
> 
> We'll need some kind of infrastructure to detect such situations.

Yes, I like the latest 'atomic_t + bit in struct device' ideas...
 
> > and next wakeup is far enough in the future,
> 
> What exactly do you mean by "next wakeup"?

Next timer in kernel and next sleep/select timeout in userspace.

								Pavel
-- 
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