On Mon, 2 Oct 2006, David Brownell wrote: > > > In principle it's possible to change ehci-hcd so that the SETUP > > transaction of a control transfer is sent in a different microframe from > > the following IN/OUT transactions. In practice it might be a painfully > > difficult change to write. > > Probably just mark only one TD active at a time, and have the qh > completion logic activate the others ... except that runs smack > into some silicon errata, some controllers don't handle inactive > TDs correctly.
If these controllers don't handle inactive TDs correctly, what do they do when they reach the dummy TD at the end of a queue? Alan Stern ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
