On Tue, 14 Nov 2006, David Brownell wrote: > On Monday 13 November 2006 1:08 pm, Laurent Pinchart wrote:
> > I'd like to hack > > the driver to queue a single transaction at once (basically assuming the > > queue length is one transaction), and wait until the next SOF before > > queuing > > the next one. > > > > Could anyone give me some pointers regarding how to do so ? I don't really > > care if it makes USB awfully slow, this is just a test. > > What you'd need to do is more or less replace the notion of a queue with > something else ... sorry, you'll have to figure that out yourself. Alternatively, since you don't care about the speed of your transfers, you could run at full speed using a UHCI controller instead of high speed using EHCI. It's easy to patch uhci-hcd to make it put each transaction in a separate frame. 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
