[linux-pm] community PM requirements/issues and PowerOP [Was: Re: So, what's the status on the recent patches here?]

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On Sun 2006-09-17 16:28:23, Amit Kucheria wrote:
> On Sun, 2006-09-17 at 15:18 +0200, ext Pavel Machek wrote:
> >  
> > > > Well, for now, Nokia 770 is zaurus with wifi but without keyboard
> > > > (mostly). It seems to be very similar to zaurus pm-wise.
> > > 
> > > You have conveniently chosen to forget that Nokia 770 does not support
> > > suspend-to-disk - it is a S-T-R device. In fact, personally I agree with
> > > Linus' comments elsewhere about S-T-D being irrelevant.
> > 
> > Now I do not understand... this was power savings debate, no? Zaurus
> > basically does not support S-T-D either (or at least I do not use it
> > there), and I agree that S-T-D is irrelevant in the long term. And it
> > is hardly relevant for non-PC machines _now_.
> 
> I was referring to the default method of power save on Zaurus on the
> Sharp ROMs. It was S-T-D (Flash), IIRC. I do not recall drivers doing
> runtime power management on Zaurus; that is a major difference from
> Nokia 770.

I'm pretty sure Zauruses do s-t-ram. Flash is read only during normal
operation.

I'm very sure Sharp zaurus sl-5500 does s-t-ram. After all, it has
16MB of flash and 64MB of ram. Suspend-to-flash is not an option.

								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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