On Tue, Jun 26, 2007 at 01:52:41PM -0400, Chuck Ebbert 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. > > > > When we change to use usb_fill_int_urb(), it then works for USB1.1, > > but takes up to 15 seconds (usually less than 5 seconds) for the > > driver to initialise. Also, usb_fill_int_urb() does not work for > > USB2.0 (kernel panic). > > > > Can anyone point us to the right direction on how to get > > usb_fill_bulk_urb() working on USB1.1? We need this as not all of the > > deployed machines have USB2.0 enabled.
Do you have a pointer to where this code is so that we can see if the driver is doing something "odd"? thanks, greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
