From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Date: Thu, 5 Mar 2020 21:23:49 +0000 (-0800)
Subject: usb: dwc3: gadget: Don't clear flags before transfer ended
X-Git-Tag: v5.10.7~2992^2~31^2~27
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a114c4ca64bd522aec1790c7e5c60c882f699d8f;p=platform%2Fkernel%2Flinux-rpi.git

usb: dwc3: gadget: Don't clear flags before transfer ended

We track END_TRANSFER command completion. Don't clear transfer
started/ended flag prematurely. Otherwise, we'd run into the problem
with restarting transfer before END_TRANSFER command finishes.

Fixes: 6d8a019614f3 ("usb: dwc3: gadget: check for Missed Isoc from event status")
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
---

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 1e00bf2..b032e62 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2570,10 +2570,8 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
 
 	dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);
 
-	if (stop) {
+	if (stop)
 		dwc3_stop_active_transfer(dep, true, true);
-		dep->flags = DWC3_EP_ENABLED;
-	}
 
 	/*
 	 * WORKAROUND: This is the 2nd half of U1/U2 -> U0 workaround.