MLX4_DEV_EVENT_PORT_UP
mlx4_dispatch_event(dev, MLX4_DEV_EVENT_PORT_UP, port);
set_all_slave_state(dev, port, MLX4_DEV_EVENT_PORT_UP);
case MLX4_DEV_EVENT_PORT_UP:
priv->last_link_state = MLX4_DEV_EVENT_PORT_UP;
} else if (priv->port_up && (linkstate == MLX4_DEV_EVENT_PORT_UP)){
((event == MLX4_DEV_EVENT_PORT_UP) ||
case MLX4_DEV_EVENT_PORT_UP: