On Wed, Nov 05, 2003, Alan Stern <[EMAIL PROTECTED]> wrote:
> On Tue, 4 Nov 2003, Prageeth wrote:
> > thanks for the reply.
> > 
> > after the timeout, if i call usb_clear_halt(), it
> > works fine. is there any better method?
> > 
> > am suspecting some D0/D1 toggle problem.
> > 
> > is there some known issues? would a patch be available
> > for preferably 2.4.20-18? am afraid have to stick to
> > 2.4 itself..
> 
> Are you sending control message to endpoint 0?  The uhci-hcd driver in 2.6 
> definitely has an error with toggling for control endpoints.  I don't know 
> if that error is also present in 2.4 -- but even if it is, it's unlikely 
> that anyone will be interested in fixing it.

Unlikely a problem in 2.4. Toggling rules for control is different and
restarts from a deterministic state every message.

I'd be surprised if it's broken in 2.6, but I haven't seen all of the
patches that went in.

JE



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