drivers: Remove explicit invocations of mmiowb()

[sfrench/cifs-2.6.git] / drivers / infiniband / hw / mthca / mthca_cq.c

diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index a6531ffe29a6f7afebd52ae41223f7fd7d74d131..877a6daffa98ab36e8b3ee4eb236a6ecea2db68f 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -211,11 +211,6 @@ static inline void update_cons_index(struct mthca_dev *dev, struct mthca_cq *cq,
                mthca_write64(MTHCA_TAVOR_CQ_DB_INC_CI | cq->cqn, incr - 1,
                              dev->kar + MTHCA_CQ_DOORBELL,
                              MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
-               /*
-                * Make sure doorbells don't leak out of CQ spinlock
-                * and reach the HCA out of order:
-                */
-               mmiowb();
        }
 }