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usb: dwc2: gadget: fix packet drop issue for ISOC OUT transfers 

In ISOC OUT transfer, when the OUT token received while EP disabled,
we shouldn't complete a usb request. The current flow completed one
usb request, this will lead to a packet drop to function driver.

Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Minas Harutyunyan 2018-06-12 12:27:36 +04:00 committed by Felipe Balbi
parent 615277779f
commit 21cbbc6bb7
1 changed files with 0 additions and 2 deletions
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2
drivers/usb/dwc2/gadget.c
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@ -2756,8 +2756,6 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep)
*/
tmp = dwc2_hsotg_read_frameno(hsotg);
dwc2_hsotg_complete_request(hsotg, ep, get_ep_head(ep), 0);
if (using_desc_dma(hsotg)) {
if (ep->target_frame == TARGET_FRAME_INITIAL) {
/* Start first ISO Out */