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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>
This commit is contained in:
Pratyush Anand 2012-06-03 19:43:19 +05:30 committed by Felipe Balbi
parent d6d6ec7b88
commit 70b674bfeb
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc3/gadget.c
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@ -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))