Re: [linux-usb-devel] Re: OHCI problems with suspend/resume

From: Alan Stern (stern@rowland.harvard.edu)
Date: Sun Jul 27 2003 - 09:57:53 EST


On Sat, 26 Jul 2003, Pavel Machek wrote:

> Hi!
>
> > >>I'm not sure how the design is intended to work, but either way something
> > >>needs to be fixed.
> >
> > Yes, it seems like all the HCDs (and the hub driver) need attention.
>
> Why the hub driver?
>
> For basic functionality, you simply power it down (doing virtual
> unplug), and power it back up on resume (doing virtual plug of all
> devices). That should work reasonably for everything but mass-storage.

Almost correct. It's also necessary to stop/reinitialize a periodic
status request.

None of this functionality has been implemented yet.

Alan Stern

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