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Re: Call for testing of ehci(4), ohci(4), slhci(4), uhci(4) data toggle patch

On Sat, Apr 24, 2010 at 01:25:16AM +0000, Jonathan A. Kollasch wrote:
> On Wed, Apr 21, 2010 at 09:04:42PM +0200, Yorick Hardy wrote:
> > Dear current-users,
> > 
> > Below please find a patch to resolve data toggle issues
> > in ehci(4), ohci(4), slhci(4) and uhci(4) as described
> > in PR kern/42979.
> > 
> > In particular the ohci(4) and slhci(4) changes need testing
> > as they have not undergone any testing as yet.
> > 
> > Any reports regarding the proposed patch would be appreciated.
> Slight dead-loop problem in the ohci code,
> just need to swap two adjacent lines.
> It didn't fix the data toggle issue I've had in avrdude-5.10
> (but there's a work-around in 5.10nb1).
> With a AVRISP mkII plugged into a nforce4 ohci, the data toggle
> issue on the second and every-other-thereafter operations remains.

A follow-up:

When I used a VIA UHCI (w/ EHCI) with this patch the problem
with this device was resolved, so obviously the OHCI code
needs improvement.

        Jonathan Kollasch

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