| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.5 37/65] usb: dwc3: gadget: Dont clear flags before transfer ended | Date | Mon, 20 Apr 2020 14:38:41 +0200 |
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From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
commit a114c4ca64bd522aec1790c7e5c60c882f699d8f upstream.
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/usb/dwc3/gadget.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2567,10 +2567,8 @@ static void dwc3_gadget_endpoint_transfe 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.
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