net/mlx5: Fix global UAR mapping

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx5 / core / main.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 1545a94..8b7133d 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -767,22 +767,6 @@ static int mlx5_core_set_issi(struct mlx5_core_dev *dev)
        return -ENOTSUPP;
 }
 
-static int map_bf_area(struct mlx5_core_dev *dev)
-{
-       resource_size_t bf_start = pci_resource_start(dev->pdev, 0);
-       resource_size_t bf_len = pci_resource_len(dev->pdev, 0);
-
-       dev->priv.bf_mapping = io_mapping_create_wc(bf_start, bf_len);
-
-       return dev->priv.bf_mapping ? 0 : -ENOMEM;
-}
-
-static void unmap_bf_area(struct mlx5_core_dev *dev)
-{
-       if (dev->priv.bf_mapping)
-               io_mapping_free(dev->priv.bf_mapping);
-}
-
 static void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
 {
        struct mlx5_device_context *dev_ctx;
@@ -1103,14 +1087,9 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
                goto err_stop_eqs;
        }
 
-       if (map_bf_area(dev))
-               dev_err(&pdev->dev, "Failed to map blue flame area\n");
-
        err = mlx5_irq_set_affinity_hints(dev);
-       if (err) {
+       if (err)
                dev_err(&pdev->dev, "Failed to alloc affinity hint cpumask\n");
-               goto err_unmap_bf_area;
-       }
 
        MLX5_INIT_DOORBELL_LOCK(&priv->cq_uar_lock);
 
@@ -1169,10 +1148,6 @@ err_fs:
        mlx5_cleanup_qp_table(dev);
        mlx5_cleanup_cq_table(dev);
        mlx5_irq_clear_affinity_hints(dev);
-
-err_unmap_bf_area:
-       unmap_bf_area(dev);
-
        free_comp_eqs(dev);
 
 err_stop_eqs:
@@ -1242,7 +1217,6 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
        mlx5_cleanup_qp_table(dev);
        mlx5_cleanup_cq_table(dev);
        mlx5_irq_clear_affinity_hints(dev);
-       unmap_bf_area(dev);
        free_comp_eqs(dev);
        mlx5_stop_eqs(dev);
        mlx5_free_uuars(dev, &priv->uuari);