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 <[email protected]> > Cc: Guodong Xu <[email protected]> > Cc: Amit Pundir <[email protected]> > Cc: YongQin Liu <[email protected]> > Cc: John Youn <[email protected]> > Cc: Minas Harutyunyan <[email protected]> > Cc: Douglas Anderson <[email protected]> > Cc: Chen Yu <[email protected]> > Cc: Felipe Balbi <[email protected]> > Cc: Greg Kroah-Hartman <[email protected]> > Cc: [email protected] > Reported-by: Amit Pundir <[email protected]> > Signed-off-by: John Stultz <[email protected]> > --- > 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 <[email protected]>
