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SubjectRe: [linux-usb-devel] Re: OHCI problems with suspend/resume
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On Thu, 2003-07-31 at 15:37, David Brownell wrote:
> Pavel Machek wrote:
>
> >>All of which is a roundabout way of adding to what I
> >>said: the PM infrastructure USB will need to rely on
> >>seems like it needs polishing yet! :)
> >
> >
> > Do you need vetoing? Otherwise it should be ready, except for APM.
>
> USB drivers don't talk suspend/resume yet, so they
> won't notice missing features there. Regressions
> are a different story though.
>
> But I can imagine that usb-storage (or is that SCSI?)
> might want to veto suspending devices that are being
> used for some kinds of i/o. Eventually it should exist.

The only place where a kernel driver may veto is when doing things
like firmware flashing.

If you want to veto suspend when burning a CD, it's userland policy. We
still need, I beleive, to define/write a proper userland-side API for
all these with the daemon that goes with it. That will be next step once
we have the kernel side working properly ;)

Ben.

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