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usb: dwc3: gadget: skip Set/Clear Halt when invalid

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am: 3ccf60e1ff

Change-Id: I6c77d8003ec19d6c7348c2d84d59c57823c17940
This commit is contained in:
Felipe Balbi
2017-03-12 08:26:41 +00:00
committed by android-build-merger
parent e1864e8e85 3ccf60e1ff
commit 4f3778fb85
1 changed files with 5 additions and 0 deletions
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5
drivers/usb/dwc3/gadget.c
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@@ -1234,6 +1234,9 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
unsigned transfer_in_flight;
unsigned started;
if (dep->flags & DWC3_EP_STALL)
return 0;
if (dep->number > 1)
trb = dwc3_ep_prev_trb(dep, dep->trb_enqueue);
else
@@ -1258,6 +1261,8 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
else
dep->flags |= DWC3_EP_STALL;
} else {
if (!(dep->flags & DWC3_EP_STALL))
return 0;
ret = dwc3_send_clear_stall_ep_cmd(dep);
if (ret)