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path: root/drivers/infiniband/hw/mlx4/qp.c
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-rw-r--r--drivers/infiniband/hw/mlx4/qp.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 429a59c5801c..9426936460f8 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -3744,12 +3744,6 @@ out:
writel_relaxed(qp->doorbell_qpn,
to_mdev(ibqp->device)->uar_map + MLX4_SEND_DOORBELL);
- /*
- * Make sure doorbells don't leak out of SQ spinlock
- * and reach the HCA out of order.
- */
- mmiowb();
-
stamp_send_wqe(qp, ind + qp->sq_spare_wqes - 1);
qp->sq_next_wqe = ind;