On 9/20/2017 11:57 PM, John Stultz wrote: > It has been noticed that the dwc2 udc state reporting doesn't > seem to work (at least on HiKey boards). Where after the initial > setup, the sysfs /sys/class/udc/f72c0000.usb/state file would > report "configured" no matter the state of the OTG port. > > This patch adds a call so that we report to the UDC layer when > the gadget device is disconnected. > > 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 > Reported-by: Amit Pundir <amit.pundir@xxxxxxxxxx> > Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx> > --- > drivers/usb/dwc2/gadget.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c > index 7fd0e38..603c216 100644 > --- a/drivers/usb/dwc2/gadget.c > +++ b/drivers/usb/dwc2/gadget.c > @@ -3202,6 +3202,8 @@ void dwc2_hsotg_disconnect(struct dwc2_hsotg *hsotg) > > call_gadget(hsotg, disconnect); > hsotg->lx_state = DWC2_L3; > + > + usb_gadget_set_state(&hsotg->gadget, USB_STATE_NOTATTACHED); > } > > /** > Tested by: Minas Harutyunyan <hminas@xxxxxxxxxxxx> -- 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
