UPSTREAM: xhci: Fix isoc TD encoding.

[cascardo/linux.git] / drivers / usb / host / xhci-ring.c

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 71c2eca..d55f326 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3646,9 +3646,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
                td = urb_priv->td[i];
                for (j = 0; j < trbs_per_td; j++) {
                        u32 remainder = 0;
-                       field = TRB_TBC(burst_count) | TRB_TLBPC(residue);
+                       field = 0;
 
                        if (first_trb) {
+                               field = TRB_TBC(burst_count) |
+                                       TRB_TLBPC(residue);
                                /* Queue the isoc TRB */
                                field |= TRB_TYPE(TRB_ISOC);
                                /* Assume URB_ISO_ASAP is set */