On Tue, 15 May 2007, Laurent Pinchart wrote: > I was just wondering if the USB host controller issued an interrupt when > sending an SOF token. If so, it would be quite easy to store the current host > timestamp there. If not, I'll live with it.
It can if you want it to. Most of the time we don't want it. Imagine trying to live with an interrupt request each and every millisecond! (Or 8 interrupts every millisecond for high-speed.) Alan Stern ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
