[PATCH mlx5-next 2/2] net/mlx5: Factor out HCA capabilities functions

[Leon Romanovsky]

From: Leon Romanovsky <leo...@mellanox.com>

Combine all HCA capabilities setters under one function
and compile out the ODP related function in case kernel
was compiled without ODP support.

Signed-off-by: Leon Romanovsky <leo...@mellanox.com>
---
 .../net/ethernet/mellanox/mlx5/core/main.c    | 47 +++++++++++++------
 1 file changed, 33 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c 
b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 6d45518edbdc..d7145ab6105d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -459,6 +459,7 @@ static int handle_hca_cap_atomic(struct mlx5_core_dev *dev)
        return err;
 }
 
+#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
 static int handle_hca_cap_odp(struct mlx5_core_dev *dev)
 {
        void *set_hca_cap;
@@ -502,6 +503,7 @@ static int handle_hca_cap_odp(struct mlx5_core_dev *dev)
        kfree(set_ctx);
        return err;
 }
+#endif
 
 static int handle_hca_cap(struct mlx5_core_dev *dev)
 {
@@ -576,6 +578,35 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
        return err;
 }
 
+static int set_hca_cap(struct mlx5_core_dev *dev)
+{
+       struct pci_dev *pdev = dev->pdev;
+       int err;
+
+       err = handle_hca_cap(dev);
+       if (err) {
+               dev_err(&pdev->dev, "handle_hca_cap failed\n");
+               goto out;
+       }
+
+       err = handle_hca_cap_atomic(dev);
+       if (err) {
+               dev_err(&pdev->dev, "handle_hca_cap_atomic failed\n");
+               goto out;
+       }
+
+#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
+       err = handle_hca_cap_odp(dev);
+       if (err) {
+               dev_err(&pdev->dev, "handle_hca_cap_odp failed\n");
+               goto out;
+       }
+#endif
+
+out:
+       return err;
+}
+
 static int set_hca_ctrl(struct mlx5_core_dev *dev)
 {
        struct mlx5_reg_host_endianness he_in;
@@ -963,21 +994,9 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct 
mlx5_priv *priv,
                goto reclaim_boot_pages;
        }
 
-       err = handle_hca_cap(dev);
+       err = set_hca_cap(dev);
        if (err) {
-               dev_err(&pdev->dev, "handle_hca_cap failed\n");
-               goto reclaim_boot_pages;
-       }
-
-       err = handle_hca_cap_atomic(dev);
-       if (err) {
-               dev_err(&pdev->dev, "handle_hca_cap_atomic failed\n");
-               goto reclaim_boot_pages;
-       }
-
-       err = handle_hca_cap_odp(dev);
-       if (err) {
-               dev_err(&pdev->dev, "handle_hca_cap_odp failed\n");
+               dev_err(&pdev->dev, "set_hca_cap failed\n");
                goto reclaim_boot_pages;
        }
 
-- 
2.19.1