Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[karo-tx-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 af945edfee1905dbe676218cb53123535a37171f..4f577a5abf884645910203aace25ad9605e171d8 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -537,8 +537,10 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
        /* disable cmdif checksum */
        MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0);
 
-       /* If the HCA supports 4K UARs use it */
-       if (MLX5_CAP_GEN_MAX(dev, uar_4k))
+       /* Enable 4K UAR only when HCA supports it and page size is bigger
+        * than 4K.
+        */
+       if (MLX5_CAP_GEN_MAX(dev, uar_4k) && PAGE_SIZE > 4096)
                MLX5_SET(cmd_hca_cap, set_hca_cap, uar_4k, 1);
 
        MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12);