netdev - [PATCH net 4/7] net/mlx5e: Check for BlueFlame capability before allocating SQ uar

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Message-Id: <1467018518-11630-5-git-send-email-saeedm@mellanox.com>
Date:	Mon, 27 Jun 2016 12:08:35 +0300
From:	Saeed Mahameed <saeedm@...lanox.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Or Gerlitz <ogerlitz@...lanox.com>,
	Gal Pressman <galp@...lanox.com>,
	Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH net 4/7] net/mlx5e: Check for BlueFlame capability before allocating SQ uar

From: Gal Pressman <galp@...lanox.com>

Previous to this patch mapping was always set to write combining without
checking whether BlueFlame is supported in the device.

Fixes: 0ba422410bbf ('net/mlx5: Fix global UAR mapping')
Signed-off-by: Gal Pressman <galp@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 4383f8c..793d7a1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -580,7 +580,7 @@ static int mlx5e_create_sq(struct mlx5e_channel *c,
 	void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq);
 	int err;
 
-	err = mlx5_alloc_map_uar(mdev, &sq->uar, true);
+	err = mlx5_alloc_map_uar(mdev, &sq->uar, !!MLX5_CAP_GEN(mdev, bf));
 	if (err)
 		return err;
 
-- 
2.8.0