Re: USB deadlock after resume

["Markus Rechberger" <mrechberger@xxxxxxxxx>]

On 11/21/07, Oliver Neukum <oliver@xxxxxxxxxx> wrote:
> Am Mittwoch 21 November 2007 schrieb Markus Rechberger:
> > > Which URB is usb_kill_urb() called for?
> > >
> >
> > it's the usb_control_message which calls usb_kill_urb if I haven't got
> > it wrong. (if you're looking for some other information please let me
> > know)
> > Although, I got a bit further with it. The error seems to happen
> > earlier already.
> > If I load the driver, and do not access the device after suspending
> > all usb_control commands fail with -71 eproto.
>
> A timeout. You should add the RESET_RESUME quirk for your device.
> usb_reset_device() from resume() is not a good idea.
>

ok this is good to know, although I have to stick with kernel 2.6.21.3 here.
It's Laurent's driver best would be to check for the specific
kernelversion and do whatever is appropriate.

thanks,
Markus

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