usb: dwc3: Fix break from cleanup request loop
authorPratyush Anand <pratyush.anand@st.com>
Sun, 3 Jun 2012 14:13:19 +0000 (19:43 +0530)
committerFelipe Balbi <balbi@ti.com>
Mon, 4 Jun 2012 15:23:19 +0000 (18:23 +0300)
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>
drivers/usb/dwc3/gadget.c

index 0cab69e51380eeff5c2a0b8fa08124148ac63afa..854f3a3c88320331acc3fce558df6519adb0b6f1 100644 (file)
@@ -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))