Re: usb_fill_bulk_urb() broken for USB1.1?

[Pete Zaitcev]

On Tue, 26 Jun 2007 13:52:41 -0400, Chuck Ebbert <cebbert@xxxxxxxxxx> wrote:
> On 06/26/2007 10:20 AM, Keith Chew wrote:

> [cc: linux-usb-devel]
> 
> > We have been using a Zydas based WIFI drivers under kernel 2.6.16.18
> > with great success. Recently, when we upgraded to 2.6.20.1 (also
> > tested on 2.6.21.5), we found that during initialisation, these calls
> > works with USB2.0 but stopped working on USB1.1:
> > 
> > usb_fill_bulk_urb();
> > usb_submit_urb();
> > 
> > The error code returned is -22 (-EINVAL). In 2.6.16.18, it works for
> > both USB2.0 and 1.1.

This looks like an attempt to submit a bulk URB to an interrupt endpoint,
with garbage interval or something of that nature.

I think it would be the best to talk to the driver author directly.

-- Pete
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/