Re: [Bugme-new] [Bug 12447] New: usbtouchscreen submits URB too quickly if built in to kernel

[Dmitry Torokhov <dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On Wednesday 14 January 2009 20:43:39 Dmitry Torokhov wrote:
> On Wed, Jan 14, 2009 at 03:13:36PM -0800, Andrew Morton wrote:
> > On Wed, 14 Jan 2009 17:08:28 -0600
> >
> > David Hagood <david.hagood-15hjz6xD4c1Wk0Htik3J/w@public.gmane.org> wrote:
> > > On Wed, 2009-01-14 at 10:28 -0800, Andrew Morton wrote:
> > > > (switched to email.  Please respond via emailed reply-to-all, not via
> > > > the bugzilla web interface).
> > >
> > > OK, you asked for it - no fair complaining about the email wart that I
> > > can do nothing about.
> >
> > It happens.
> >
> > > > On Wed, 14 Jan 2009 08:29:31 -0800 (PST)
> > > > bugme-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org wrote:
> > > >
> > > > Is this a USB thing, or an input thing?
> > >
> > > I'm not sure I understand the question. The problem is in the
> > > usbtouchscreen kernel module, which is an input module.
> > >
> > > The problem is NOT at the X layer (read: user space), but in the kernel
> > > driver.
> > >
> > > Did that answer the question?
> >
> > The question was asked of the USB and input developers ;) It's unclear
> > (to me) which subsystem would need fixing to make this work properly.
>
> I suppose this is device-specific and will have to be worked around in
> the driver buy resubmitting request a few times until it "sticks".

Hmm, I take it back... the message comes from the IRQ routine; that
means we were able to submit IRQ at least once. Plus we do send a
few control messages for mtouch. So I don't understand why it would
start returning -ENODEV out of sudden.

-- 
Dmitry
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