Messages in this thread | | | Subject | Re: Power Management framework proposal | From | Benjamin Herrenschmidt <> | Date | Wed, 25 Jul 2007 07:38:58 +1000 |
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On Tue, 2007-07-24 at 13:14 -0700, david@lang.hm wrote: > > I think we need a set of constraints that trickle down the power > tree > > and limit what a given driver can do locally. > > what sort of contraints are you thinking of?
A parent power state defines what states children can be in. For example. A way to express those dependencies would be nice. Or alternatiely, the power state of all the children defines the power state a parent can go in automatically.
Ben.
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