net/mlx5: Remove redundant lag function to get pf num

The function is not being used.
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/lag.c

@@ -595,27 +595,6 @@ void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev)
 			      err);
 }
 
-int mlx5_lag_get_pf_num(struct mlx5_core_dev *dev, int *pf_num)
-{
-	struct mlx5_lag *ldev;
-	int n;
-
-	ldev = mlx5_lag_dev_get(dev);
-	if (!ldev) {
-		mlx5_core_warn(dev, "no lag device, can't get pf num\n");
-		return -EINVAL;
-	}
-
-	for (n = 0; n < MLX5_MAX_PORTS; n++)
-		if (ldev->pf[n].dev == dev) {
-			*pf_num = n;
-			return 0;
-		}
-
-	mlx5_core_warn(dev, "wasn't able to locate pf in the lag device\n");
-	return -EINVAL;
-}
-
 /* Must be called with intf_mutex held */
 void mlx5_lag_remove(struct mlx5_core_dev *dev)
 {

drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h

@@ -188,8 +188,6 @@ static inline int mlx5_lag_is_lacp_owner(struct mlx5_core_dev *dev)
 		    MLX5_CAP_GEN(dev, lag_master);
 }
 
-int mlx5_lag_get_pf_num(struct mlx5_core_dev *dev, int *pf_num);
-
 void mlx5_reload_interface(struct mlx5_core_dev *mdev, int protocol);
 void mlx5_lag_update(struct mlx5_core_dev *dev);