Re: [PATCH] usb: Add support for runtime power management of the hcd

Rafael J. Wysocki
2009-11-11T21:34:45Z

On Tuesday 10 November 2009, Matthew Garrett wrote:
> On Tue, Nov 10, 2009 at 02:08:01PM +0100, Oliver Neukum wrote:
>
> > I was wondering because a tester has reported a race in ehci that
> > can lead to a loss of wakeup events. Alan posted a patch to fix it.
> > Does it cooperate with your patch?
>
> Hm. I'll look into that.
>
> > And secondly what happens if you suspend to RAM a system
> > with suspended controllers?
>
> I believe that this currently results in them being woken up and then
> whatever would normally happen,

That's correct AFAICS.

Rafael