| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 26/40] usb: dwc3: gadget: Dont clear flags before transfer ended | Date | Mon, 20 Apr 2020 14:39:36 +0200 |
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From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
[ Upstream commit a114c4ca64bd522aec1790c7e5c60c882f699d8f ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/usb/dwc3/gadget.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 019aee3a79568..8a4455d0af8b9 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2366,10 +2366,8 @@ 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. -- 2.20.1
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