On Mon, 11 Mar 2013, Alexander Shishkin wrote: > > For USB 3.0 host CV test, the host sends GET_DESCRIPTOR very quick (<500us) > > once it accept the status of SET_ADDRESS > > The USB 2.0 spec says the recovery period after the status phase of > SetAddress is 2ms. That should be enough to process the transfer > completion interrupt, shouldn't it? > Why is USB 3 CV violating this and why should we care? I guess, if we Probably because the recovery period, being in the USB 2.0 spec, applies to USB-2 devices -- whereas the USB-3 CV tries to test USB-3 devices. Do they have the same recovery period? 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