Hi laurent, On Thu, May 24, 2018 at 10:59:18PM +0300, Laurent Pinchart wrote: > Hi Felipe, > > On Friday, 20 April 2018 13:57:23 EEST Felipe Balbi wrote: > > Bin Liu <b-liu@xxxxxx> writes: > > >> Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> writes: > > >>>>> Bin Liu <b-liu@xxxxxx> writes: > > >>>>>> On Mon, Apr 09, 2018 at 02:26:14PM +0300, Felipe Balbi wrote: > > >>>>>>> Hi guys, > > >>>>>>> > > >>>>>>> I've been working on this series for a while now. I feels like > > >>>>>>> after this series the transfer management code is far easier to > > >>>>>>> read and understand. > > >>>>>>> > > >>>>>>> Based on my tests, I have no regressions. Tested g_mass_storage > > >>>>>>> and all of testusb's tests (including ISOC). > > >>>>>>> > > >>>>>>> Patches are also available on dwc3-improve-isoc-endpoints in my > > >>>>>>> k.org tree. Test reports would be VERY, VERY, VERY welcome. Please > > >>>>>>> give this a go so we avoid regressions on v4.18. > > >>>>>> > > >>>>>> Have you tested g_webcam? I just tested your > > >>>>>> dwc3-improve-isoc-endpoints > > >>>>> > > >>>>> for isoc I only tested g_zero. > > >>>> > > >>>> Then writting down details on what I observed probably won't help you > > >>>> :( > > >> > > >> I got webcam running here, it sure _is_ helpful to let me know how you > > > > > > Great! > > > > > >> trigger the problem ;-) Also, high-speed or super-speed? > > > > > > Both. Long story short - super-speed doesn't stream the yuv video, > > > gadget side kernel prints "VS request completed with status -18." > > > flooding messages. > > > > > > high-speed does stream the video, but stopping the host application > > > (both yavta and luvcview) causes gadget side kernel prints error message > > > (I didn't keep the log). Then restart the host application doesn't > > > stream the video any more. > > What is your test platform ? I'm using a TI AM574x EVM and I can't get video > to stream at all in high-speed. Super-speed seems out of question as the only > port supporting device mode on that board is connect to a DWC3 instance that > is limited to high-speed :-/ I'm testing v4.17-rc5 without this patch series > applied, please let me know if I should apply it first. It worked at the last time I tested it without this patch series, but don't remember the kernel version I tested. I will be offline for two weeks. I can test it again once I am back if you are unable to get it working by then. Regards, -Bin. -- 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