On Mon, Apr 02, 2007 at 08:03:27AM -0700, Pete Zaitcev wrote: > On Mon, 2 Apr 2007 01:52:22 -0700, Greg KH <[EMAIL PROTECTED]> wrote: > > > Why would you not want it in every driver? As Oliver is finding out, a > > lot of these "simple" drivers have races all due to their use of a > > pre-allocated urb. For what kind of situation would you feel this would > > not work? > > We need some kind of sample code which works. I had to patch airprime > because your implementation of the read path was erroneous. The write > path was ok, presumably because you took it out of visor where it was > tested before. So perhaps we want to start with some driver and declare > it "ideal", then steal code from it. The usblp would be a good choice, > but we had so many regressions over time in it... It seems to be > trickier than it looks. If you want, I can try that later, since I have > to answer Oliver's challenge of mb()-less code anyway.
Yes, after writing the above, I spent the day with Oliver talking all about these issues. And I agree that we need a good example driver, I'll take a look at getting the usb-skeleton driver working properly for all of this. thanks, greg k-h ------------------------------------------------------------------------- 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
