Commit c3b22fe2 authored by Razmik Karapetyan's avatar Razmik Karapetyan Committed by Felipe Balbi

usb: dwc2: Fix Control Write issue in DMA mode

While sending zlp for DWC2_EP0_STATUS_IN EP direction was changed to IN.
Change it back to complete OUT transfer request.

This affects only on DMA mode, because DMA buffer map/unmap function is
direction sensitive.
Signed-off-by: default avatarRazmik Karapetyan <razmik@synopsys.com>
Signed-off-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 729e6574
......@@ -2527,6 +2527,13 @@ static void dwc2_hsotg_complete_in(struct dwc2_hsotg *hsotg,
/* Finish ZLP handling for IN EP0 transactions */
if (hs_ep->index == 0 && hsotg->ep0_state == DWC2_EP0_STATUS_IN) {
dev_dbg(hsotg->dev, "zlp packet sent\n");
/*
* While send zlp for DWC2_EP0_STATUS_IN EP direction was
* changed to IN. Change back to complete OUT transfer request
*/
hs_ep->dir_in = 0;
dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0);
if (hsotg->test_mode) {
int ret;
......
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