Sorry,
Back again, fighting cold, hot whiskey has been consumed...
Something like this would perhaps be a better solution:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c
b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 60154a175bd3..fe192e247601 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1139,6 +1139,10 @@ static int mlx5_load_one(struct mlx5_core_dev
*dev, struct mlx5_priv *priv,
#ifdef CONFIG_MLX5_CORE_EN
mlx5_eswitch_attach(dev->priv.eswitch);
+#else
+ if (MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_ETH) {
+ dev_info(&pdev->dev, "Ethernet device discovered but
support not enabled in kernel.");
+ }
#endif
err = mlx5_sriov_attach(dev);
This is in no way tested and just a thought for now - I suspect that a
better message would be required though...
