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

From: Greg Kroah-Hartman
Date: Mon May 09 2016 - 03:36:51 EST


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

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

From: Leon Romanovsky <leonro@xxxxxxxxxxxx>

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 <leonro@xxxxxxxxxxxx>
Reviewed-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
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;
}