On Tue, 26 Jul 2005 [EMAIL PROTECTED] wrote: > Dear all: > > I am developing a USB Wireless adapter driver. I get a problem of > interrupt endpoint to deal with EHCI USB host. > > The problem always occur every time the interrupt endpoint send a URB > with usb_fill_int_urb ( ) and usb_submit_urb ( ), if interrupt interval > is set to 1 (125 us). > > The error message returned by usb_submit_urb is -12. > > Since our USB wireless NIC supports USB 2.0, therefore, the interrupt > interval should be within 125us for best preference. > > The kernel I used is kernel 2.4.22-1.2115.nptl. > > Have any one can give me any advice?
You may not like this, but the best advice is to do your development with a 2.6 kernel. It is much more capable and robust than the 2.4 series, especially something as old as 2.4.22. Alan Stern ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
