random snippage...

> > I as well have noticed the only chipsets I have problems with are
the VIA
> > uhci chipsets.  As I said previously, I know a "special" UHCI driver
was
> > released by Microsoft/VIA that corrected a lot of problems that were
being
> > had with VIA's chipset.  I would persue a fix for it myself, but I
don't
> > know enough about the host controller code to be able to talk
one-to-one
> > to a VIA representative.  If the maintainer of one of the *uhci.c
drivers
> > were to look into it, I think it definitely be worth doing.
>
> The main problem is the babble. I think there's only so many things
that
> we can do in that situation.
>
> Maybe we can retry the failed TD? I think that data toggling will
allow
> that to be safe.
>
> That is unless there's hidden proprietary bit twiddling on the HC, but
> I'd be surprised if they release that kind of information to us.

I'm not so sure that Microsoft and VIA have a solution for this
problem - sure, VIA has a filter driver which may hide some of the
weirdness, but it still happens. From my own experience with VIA boards
in all revisions of Windows, there's always a few of them which *don't
work* (in my particular case, Interrupt out, but it seems that "it"
happens with all kinds of transfers). If you have some time to waste,
take a look at the forums on http://www.viaarena.com/  - there's one
dedicated to USB, and it has enough posts to make you scared.

..tom



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