> I understand "USB stack" you mean in the above line is USB Host Stack. Yes. Thats correct > Does host stack have "intelligence/awareness" that the device can > reply in any order ? This is my question. > Is the transfer by the device on is bus proper ? The device can send the data in any order. -RD -- 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