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 ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
