Re: [PATCH 2/8] introduce the device async action mechanism

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On Mon, 2009-07-20 at 06:16 +0800, Pavel Machek wrote:> Hi!> > > > > that's not enough.> > ???For examples,> > ACPI battery and EC are independent devices, but EC must be resumed> > before battery because battery driver may access some EC address space> > during resume time.> > Yes, but those dependencies should be pulled from driver tree, not> adding separate dependencies infrastructure.> Sorry, the problem I described above is wrong.We just disable the EC interrupt mode in S3, but it still works.Battery can access EC address space before EC resumed, in low speed.
> > > > In particular, we have to make sure that parent devices will not be suspended> > > until all of their children have been suspended and children devices will not> > > be resumed before the parents.> > this is right.
thanks,rui
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