On 09/20/2017 12:57 PM, John Stultz wrote: > So here are a few dwc2 fixes that I've been using with HiKey. > I'm not totally sure these are all ideal, but they avoid edge case > issues that we have been running into with switching between > gadget mode and host mode. > > I'd guess the first two are potentially -stable material, and > the last might be worth sending to -stable too, as its a relatively > simple fix, but to my understanding the UDC state tracking has > always been broken so its not really a regression. But still. > > I'd love to get some feedback on the patches and consideration > to be merged upstream. > > thanks > -john > > Cc: Wei Xu <xuw...@hisilicon.com> > Cc: Guodong Xu <guodong...@linaro.org> > Cc: Amit Pundir <amit.pun...@linaro.org> > Cc: YongQin Liu <yongqin....@linaro.org> > Cc: John Youn <johny...@synopsys.com> > Cc: Minas Harutyunyan <minas.harutyun...@synopsys.com> > Cc: Douglas Anderson <diand...@chromium.org> > Cc: Chen Yu <cheny...@huawei.com> > Cc: Felipe Balbi <felipe.ba...@linux.intel.com> > Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> > Cc: linux-...@vger.kernel.org > > John Stultz (3): > usb: dwc2: Improve gadget state disconnection handling > usb: dwc2: Error out of dwc2_hsotg_ep_disable() if we're in host mode > usb: dwc2: Fix UDC state tracking > > drivers/usb/dwc2/gadget.c | 7 +++++++ > drivers/usb/dwc2/hcd.c | 8 ++++++-- > 2 files changed, 13 insertions(+), 2 deletions(-) >
Hi John, I think we have something that fixes these issues. Minas, Could you take a look at this? I was not able to find the patches we talked about. If possible, please post them so that John can try them out. Thanks, John
