diff options
| author | Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2020-05-05 19:46:33 -0700 |
|---|---|---|
| committer | Felipe Balbi <balbi@kernel.org> | 2020-05-25 11:09:41 +0300 |
| commit | b6842d4938c3101cb54dc262a6a89a5445f8fba8 (patch) | |
| tree | 427ae5a80b02a64258c82f5b8144627c66655f6b /drivers | |
| parent | 27b31b91b04bf7b76103d222bd2cbe37c9e59ed0 (diff) | |
| download | linux-b6842d4938c3101cb54dc262a6a89a5445f8fba8.tar.bz2 | |
usb: dwc3: gadget: Check for in-progress END_TRANSFER
While handling TRBs completion, if a END_TRANSFER command isn't
completed, don't kick new transfer or issue END_TRANSFER command.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 865e6fbb7360..3bb6f847a865 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2675,11 +2675,15 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep, dwc3_gadget_ep_cleanup_completed_requests(dep, event, status); + if (dep->flags & DWC3_EP_END_TRANSFER_PENDING) + goto out; + if (stop) dwc3_stop_active_transfer(dep, true, true); else if (dwc3_gadget_ep_should_continue(dep)) __dwc3_gadget_kick_transfer(dep); +out: /* * WORKAROUND: This is the 2nd half of U1/U2 -> U0 workaround. * See dwc3_gadget_linksts_change_interrupt() for 1st half. |