On Wed, 1 Feb 2012, Nikolai Zhubr wrote: > Hello Alan, > 30.01.2012 19:04, Alan Stern: > [...] > >> I'm still failing to understand how can (-1-) and (-2-) be put together. > > > > What's the difficulty? The host starts a transfer when it wants to. > > If the device is ready to send or receive data at that time, it does > > so; otherwise it replies with NAK and the host tries again later. > Ah, ok. I somehow supposed NAKs are only related to some failures and > shouldn't normally be envolved. Now I see it a bit better and will try > to move on. That's right. When a major failure occurs, the device is supposed to send STALL, not NAK. 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
