On Sunday 03 April 2005 7:36 am, Jayaprakash Shanmugam wrote: > Hi All, > > I have a strange behavior here with my ISP 1561 PCI-USB card. > > 1) When I plug in our board (USB based), it works fine with OHCI (the > PCI USB card has 2 OHCI and 1 EHCI core). > > 2) When I try to use the EHCI driver for this board, the device is not > accepting the address. It says the protocol error (-EPROTO). Can any > of you give me some pointers to trace it out ?
Is this with the latest kernel? Some of the kernels between 2.6.6 and 2.6.11 omitted a protocol-required delay, which tended to confuse some hardware that was expecting it. This was one of the failure modes. - Dave ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
