mlx4_ib_mcg_port_cleanup
mlx4_ib_mcg_port_cleanup(&dev->sriov.demux[port_num - 1], 0);
mlx4_ib_mcg_port_cleanup(ctx, 1);
mlx4_ib_mcg_port_cleanup(ctx, 1);
void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);