Merge tag 'v3.10.87' into update

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / usb / host / xhci-ring.c

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 19908146bd91ea2b378866b530884fd3eeafab57..d52c1653ce658f0d7cf60a467044d58ebcdd3de5 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -85,7 +85,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg,
                return 0;
        /* offset in TRBs */
        segment_offset = trb - seg->trbs;
-       if (segment_offset > TRBS_PER_SEGMENT)
+       if (segment_offset >= TRBS_PER_SEGMENT)
                return 0;
        return seg->dma + (segment_offset * sizeof(*trb));
 }
@@ -1679,6 +1679,9 @@ static void handle_port_status(struct xhci_hcd *xhci,
                usb_hcd_resume_root_hub(hcd);
        }
 
+       if (hcd->speed == HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE)
+               bus_state->port_remote_wakeup &= ~(1 << faked_port_index);
+
        if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_RESUME) {
                xhci_dbg(xhci, "port resume event for port %d\n", port_id);
 
@@ -2156,8 +2159,13 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
                break;
        case COMP_DEV_ERR:
        case COMP_STALL:
+               frame->status = -EPROTO;
+               skip_td = true;
+               break;
        case COMP_TX_ERR:
                frame->status = -EPROTO;
+               if (event_trb != td->last_trb)
+                       return 0;
                skip_td = true;
                break;
        case COMP_STOP:
@@ -2774,7 +2782,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
                xhci_halt(xhci);
 hw_died:
                spin_unlock(&xhci->lock);
-               return -ESHUTDOWN;
+               return IRQ_HANDLED;
        }
 
        /*