On Mon, 30 Jun 2014, Mathias Nyman wrote: > xhci specs says it needs the interval rounded to nearest 2^(X) value, > which would be 256, not 128. I'll take a look at that. Doesn't the spec says it needs the interval rounded _down_ to a power of 2? Alan Stern -- 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