On 9/30/2017 9:13 PM, John Youn wrote: > 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 <xuwei5@xxxxxxxxxxxxx> >> Cc: Guodong Xu <guodong.xu@xxxxxxxxxx> >> Cc: Amit Pundir <amit.pundir@xxxxxxxxxx> >> Cc: YongQin Liu <yongqin.liu@xxxxxxxxxx> >> Cc: John Youn <johnyoun@xxxxxxxxxxxx> >> Cc: Minas Harutyunyan <Minas.Harutyunyan@xxxxxxxxxxxx> >> Cc: Douglas Anderson <dianders@xxxxxxxxxxxx> >> Cc: Chen Yu <chenyu56@xxxxxxxxxx> >> Cc: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> >> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> >> Cc: linux-usb@xxxxxxxxxxxxxxx >> >> 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 > Hi John Stultz, Could you please apply patch from Vardan Mikayelyan "usb: dwc2: Fix dwc2_hsotg_core_init_disconnected()" submitted at 02/25/2017 (https://marc.info/?l=linux-usb&m=148801589931039&w=2) instead of your "usb: dwc2: Improve gadget state disconnection handling" and test again failing scenario. Other 2 patches from series "[PATCH 0/3] dwc2 fixes for edge cases on hikey" are Ok. Thanks, Minas -- 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
