diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 7224cb6e6b78..3c471b1d03a4 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1013,6 +1013,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) { struct dwc3 *dwc = dep->dwc; u32 reg; + u32 mask; trace_dwc3_gadget_ep_disable(dep); @@ -1028,7 +1029,15 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) dep->stream_capable = false; dep->type = 0; - dep->flags &= DWC3_EP_TXFIFO_RESIZED; + mask = DWC3_EP_TXFIFO_RESIZED; + /* + * dwc3_remove_requests() can exit early if DWC3 EP delayed stop is + * set. Do not clear DEP flags, so that the end transfer command will + * be reattempted during the next SETUP stage. + */ + if (dep->flags & DWC3_EP_DELAY_STOP) + mask |= (DWC3_EP_DELAY_STOP | DWC3_EP_TRANSFER_STARTED); + dep->flags &= mask; /* Clear out the ep descriptors for non-ep0 */ if (dep->number > 1) {