mlx4_core: fix wrong comment about the reason of subtract one from the max_cqes

[linux-2.6-block.git] / drivers / net / ethernet / mellanox / mlx4 / main.c

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index fce9b3a2434720ac3ec2f0a9562e8b5cc2176b0f..69bb6bb06e769a2b944d523980f31f7a491976e3 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -514,8 +514,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
        dev->caps.max_rq_desc_sz     = dev_cap->max_rq_desc_sz;
        /*
         * Subtract 1 from the limit because we need to allocate a
-        * spare CQE so the HCA HW can tell the difference between an
-        * empty CQ and a full CQ.
+        * spare CQE to enable resizing the CQ.
         */
        dev->caps.max_cqes           = dev_cap->max_cq_sz - 1;
        dev->caps.reserved_cqs       = dev_cap->reserved_cqs;