Hi, > -----Original Message----- > From: John Youn [mailto:John.Youn@xxxxxxxxxxxx] > Sent: Monday, September 17, 2001 12:30 PM > To: balbi@xxxxxx; Subbaraya Sundeep Bhatta > Cc: linux-usb@xxxxxxxxxxxxxxx > Subject: [PATCH] usb: dwc3: Reset the transfer resource index on > SET_INTERFACE > > This fixes an issue introduced in a previous patch that added checking of the > return status of device endpoint commands. It caught the Set Endpoint > Transfer Resource command failing occasionally. This is because the > Transfer Resource Index was not getting reset during a SET_INTERFACE > request. > > Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx> > --- > drivers/usb/dwc3/ep0.c | 4 ++++ > 1 file changed, 4 insertions(+) > > > diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index > 2ef3c8d..69e769c 100644 > --- a/drivers/usb/dwc3/ep0.c > +++ b/drivers/usb/dwc3/ep0.c > @@ -727,6 +727,10 @@ static int dwc3_ep0_std_request(struct dwc3 > *dwc, struct usb_ctrlrequest *ctrl) > dwc3_trace(trace_dwc3_ep0, > "USB_REQ_SET_ISOCH_DELAY"); > ret = dwc3_ep0_set_isoch_delay(dwc, ctrl); > break; > + case USB_REQ_SET_INTERFACE: > + dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_INTERFACE"); > + dwc->start_config_issued = false; > + /* Fall through */ This is the exact patch I had in my mind after reading databook for SetConfiguration/SetInterface. I will test and let you know the results. Thanks, Sundeep. > default: > dwc3_trace(trace_dwc3_ep0, "Forwarding to gadget > driver"); > ret = dwc3_ep0_delegate_req(dwc, ctrl); > -- > 2.3.2 -- 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
