diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 28df4e8b9359..b6f71aed4f82 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1564,6 +1564,7 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned int cmd, u32 param); void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt); void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc); +void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status); #else static inline int dwc3_gadget_init(struct dwc3 *dwc) { return 0; } diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 00527a20dd21..fbb7d38ede7d 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -293,7 +293,10 @@ void dwc3_ep0_out_start(struct dwc3 *dwc) continue; dwc3_ep->flags &= ~DWC3_EP_DELAY_STOP; - dwc3_stop_active_transfer(dwc3_ep, true, true); + if (dwc->connected) + dwc3_stop_active_transfer(dwc3_ep, true, true); + else + dwc3_remove_requests(dwc, dwc3_ep, -ESHUTDOWN); } } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 594fa02b804b..7a9b29f52860 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -967,12 +967,16 @@ out: return 0; } -static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status) +void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status) { struct dwc3_request *req; dwc3_stop_active_transfer(dep, true, false); + /* If endxfer is delayed, avoid unmapping requests */ + if (dep->flags & DWC3_EP_DELAY_STOP) + return; + /* - giveback all requests to gadget driver */ while (!list_empty(&dep->started_list)) { req = next_request(&dep->started_list);