Re: [linux-pm] [PATCH] PowerOP, PowerOP Core, 1/2

From: Pavel Machek
Date: Sun Sep 24 2006 - 17:45:44 EST

> >Well, two objections to that
> >
> >a) current powerop code does not handle 256 CPU machine, because that
> >would need 256 independend bundles, and powerop has hardcoded "only
> >one bundle" rule.
> The 256 is only a temporary implementation limitation.

Really? 256 CPUs mean 2^256 states. How do you handle that without
introducing vectors?

> >b) having some devices controlled by powerop and some by specific
> >subsystem is indeed ugly. I'd hope powerop would cover all the
> >devices. (Or maybe cover _no_ devices). Userland should not need to
> >know if touchscreen is part of SoC or if it happens to be independend
> >on given machine.
> PowerOP does *not* cover devices. It covers system level parameters
> such clocks, buses, voltages.

I've seen "usb enabled" in one of examples.. and that sure seems like
device to me.
(cesky, pictures)
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