On Friday, May 13, 2011 01:10:01 PM Sarah Sharp wrote: > Dmitry's patch > > dfa49c4ad120a784ef1ff0717168aa79f55a483a USB: xhci - fix math in > xhci_get_endpoint_interval() > > introduced a bug. The USB 2.0 spec says that full speed isochronous > endpoints' bInterval must be decoded as an exponent to a power of two > (e.g. interval = 2^(bInterval - 1)). Full speed interrupt endpoints, > on the other hand, don't use exponents, and the interval in frames is > encoded straight into bInterval. > > Dmitry's patch was supposed to fix up the full speed isochronous to > parse bInterval as an exponent, but instead it changed the *interrupt* > endpoint bInterval decoding. The isochronous endpoint encoding was the > same. Yep, my bad. Thank you for fixing this. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
