1 files changed, 20 insertions, 9 deletions

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index eca945feeec3..3a344ba0b292 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -965,7 +965,7 @@ out:
 	return 0;
 }
 
-static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep)
+static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep, int status)
 {
 	struct dwc3_request		*req;
 
@@ -975,19 +975,19 @@ static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep)
 	while (!list_empty(&dep->started_list)) {
 		req = next_request(&dep->started_list);
 
-		dwc3_gadget_giveback(dep, req, -ESHUTDOWN);
+		dwc3_gadget_giveback(dep, req, status);
 	}
 
 	while (!list_empty(&dep->pending_list)) {
 		req = next_request(&dep->pending_list);
 
-		dwc3_gadget_giveback(dep, req, -ESHUTDOWN);
+		dwc3_gadget_giveback(dep, req, status);
 	}
 
 	while (!list_empty(&dep->cancelled_list)) {
 		req = next_request(&dep->cancelled_list);
 
-		dwc3_gadget_giveback(dep, req, -ESHUTDOWN);
+		dwc3_gadget_giveback(dep, req, status);
 	}
 }
 
@@ -1022,7 +1022,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
 		dep->endpoint.desc = NULL;
 	}
 
-	dwc3_remove_requests(dwc, dep);
+	dwc3_remove_requests(dwc, dep, -ECONNRESET);
 
 	dep->stream_capable = false;
 	dep->type = 0;
@@ -2340,7 +2340,7 @@ static void dwc3_stop_active_transfers(struct dwc3 *dwc)
 		if (!dep)
 			continue;
 
-		dwc3_remove_requests(dwc, dep);
+		dwc3_remove_requests(dwc, dep, -ESHUTDOWN);
 	}
 }
 
@@ -2501,6 +2501,9 @@ static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc)
 	if (dwc->ep0state != EP0_SETUP_PHASE) {
 		int ret;
 
+		if (dwc->delayed_status)
+			dwc3_ep0_send_delayed_status(dwc);
+
 		reinit_completion(&dwc->ep0_in_setup);
 
 		spin_unlock_irqrestore(&dwc->lock, flags);
@@ -2568,6 +2571,8 @@ static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
 		return 0;
 	}
 
+	synchronize_irq(dwc->irq_gadget);
+
 	if (!is_on) {
 		ret = dwc3_gadget_soft_disconnect(dwc);
 	} else {
@@ -2718,6 +2723,7 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)
 	dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
 
 	dep = dwc->eps[0];
+	dep->flags = 0;
 	ret = __dwc3_gadget_ep_enable(dep, DWC3_DEPCFG_ACTION_INIT);
 	if (ret) {
 		dev_err(dwc->dev, "failed to enable %s\n", dep->name);
@@ -2725,6 +2731,7 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)
 	}
 
 	dep = dwc->eps[1];
+	dep->flags = 0;
 	ret = __dwc3_gadget_ep_enable(dep, DWC3_DEPCFG_ACTION_INIT);
 	if (ret) {
 		dev_err(dwc->dev, "failed to enable %s\n", dep->name);
@@ -3596,11 +3603,12 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
 	dep = dwc->eps[epnum];
 
 	if (!(dep->flags & DWC3_EP_ENABLED)) {
-		if (!(dep->flags & DWC3_EP_TRANSFER_STARTED))
+		if ((epnum > 1) && !(dep->flags & DWC3_EP_TRANSFER_STARTED))
 			return;
 
 		/* Handle only EPCMDCMPLT when EP disabled */
-		if (event->endpoint_event != DWC3_DEPEVT_EPCMDCMPLT)
+		if ((event->endpoint_event != DWC3_DEPEVT_EPCMDCMPLT) &&
+			!(epnum <= 1 && event->endpoint_event == DWC3_DEPEVT_XFERCOMPLETE))
 			return;
 	}
 
@@ -3695,7 +3703,7 @@ void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
 	 * timeout. Delay issuing the End Transfer command until the Setup TRB is
 	 * prepared.
 	 */
-	if (dwc->ep0state != EP0_SETUP_PHASE && !dwc->delayed_status) {
+	if (dwc->ep0state != EP0_SETUP_PHASE) {
 		dep->flags |= DWC3_EP_DELAY_STOP;
 		return;
 	}
@@ -3867,6 +3875,9 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
 	u8			lanes = 1;
 	u8			speed;
 
+	if (!dwc->softconnect)
+		return;
+
 	reg = dwc3_readl(dwc->regs, DWC3_DSTS);
 	speed = reg & DWC3_DSTS_CONNECTSPD;
 	dwc->speed = speed;