> > > > > > > > > > > > On Mon, Feb 24, 2014 at 04:03:12PM +0800, Neil Zhang wrote: > > > > > Hardware zlt will try to send the zero length packet > > > > > automatically when the data transferd is multiple times of max > > > > > packet, this will cause issues on Windows. > > > > > So let's disable HW zlt by default. > > > > > > > > Would you have description that what kinds of issue on Windows if > > > > zlt is is selected? > > > > > > > > > > Enumeration will fail. > > > > > > > What causes enumeration fail, why it does not occur before? > > > A unexpected zero packet cause enumeration fail. > It's not easy that the descriptor is actually 1024 bytes, so not easy to > be found. > Chipidea bug too? Does it follow ch 8.5.3.2 Variable-length Data Stage, USB 2.0 spec? Peter -- 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
