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usb: dwc3: Fix break from cleanup request loop
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If event status says that its last completed TRB but TRB is still owned
by HW then break from the loop, because we are not going to get correct
TRB status from trb control/size register.

Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Pratyush Anand authored and Felipe Balbi committed Jun 4, 2012
1 parent d6d6ec7 commit 70b674b
Showing 1 changed file with 2 additions and 1 deletion.
3 changes: 2 additions & 1 deletion drivers/usb/dwc3/gadget.c
Original file line number Diff line number Diff line change
Expand Up @@ -1681,7 +1681,8 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep,
if (s_pkt)
break;
if ((event->status & DEPEVT_STATUS_LST) &&
(trb->ctrl & DWC3_TRB_CTRL_LST))
(trb->ctrl & (DWC3_TRB_CTRL_LST |
DWC3_TRB_CTRL_HWO)))
break;
if ((event->status & DEPEVT_STATUS_IOC) &&
(trb->ctrl & DWC3_TRB_CTRL_IOC))
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