[PATCH 4.5 03/88] net/mlx5_core: Fix caching ATOMIC endian mode capability

[Greg Kroah-Hartman]

4.5-stable review patch.  If anyone has any objections, please let me know.

------------------

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

commit 91d9ed8443b88cc50b81cf5ec900172515270f6f upstream.

Add caching of maximum device capability of ATOMIC endian mode.

Fixes: f91e6d8941bf ('net/mlx5_core: Add setting ATOMIC endian mode')
Signed-off-by: Leon Romanovsky <leo...@mellanox.com>
Reviewed-by: Saeed Mahameed <sae...@mellanox.com>
Signed-off-by: Doug Ledford <dledf...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/net/ethernet/mellanox/mlx5/core/main.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -423,6 +423,10 @@ static int handle_hca_cap_atomic(struct
                                         HCA_CAP_OPMOD_GET_CUR);
                if (err)
                        return err;
+               err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC,
+                                        HCA_CAP_OPMOD_GET_MAX);
+               if (err)
+                       return err;
        } else {
                return 0;
        }