On Fri, Jun 28, 2013 at 04:17:44PM -0700, Sarah Sharp wrote: > On Fri, Jun 28, 2013 at 03:24:49PM -0400, Alan Stern wrote: > > Please use Reply-To-All so that your response gets sent to the mailing > > list as well as to me. And please don't top-post. > > > > On Fri, 28 Jun 2013, William Gulland wrote: > > > > > Yes, two ClearTTBuffer requests seem to be necessary with Intel's CaveCreek > > > integrated rate-matching hub - I've got it into the state where control > > > requests to a USB 1.1 device were failing, > > > > How did you manage to do that? > > > > > but recovered when I sent the > > > hub a ClearTTBuffer for endpoint 0 - but only if I set the IN bit in the > > > request. > > > > This sounds like a bug in the Intel hub hardware, or at least, > > unintentional behavior. > > > > Sarah, is this the sort of thing the Intel engineers would want to know > > about? > > I will send them a report. However, if this was found on production > hardware, there's probably not much they can do about it for CaveCreek. Then we should only do this for that specific hardware device, right? thanks, greg k-h -- 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
