Hi, > > I was just concerned > > with keeping the amount of work down, by using > > the pre-sort (by period) and avoiding those > > (as you say) expensive NOPs). Don't you use a bit-map in Linux to keep track of the free bandwidth for the EHCI periodic activities? --HPS -- 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