MVPP2_LOOPBACK_PORT_INDEX
mvpp22_rx_fifo_set_hw(priv, MVPP2_LOOPBACK_PORT_INDEX,
port_map = priv->port_map & ~BIT(MVPP2_LOOPBACK_PORT_INDEX);
for_each_clear_bit(port, &port_map, MVPP2_LOOPBACK_PORT_INDEX)
for_each_set_bit(port, &port_map, MVPP2_LOOPBACK_PORT_INDEX) {
mvpp22_tx_fifo_set_hw(priv, MVPP2_LOOPBACK_PORT_INDEX,
port_map = priv->port_map & ~BIT(MVPP2_LOOPBACK_PORT_INDEX);
for_each_clear_bit(port, &port_map, MVPP2_LOOPBACK_PORT_INDEX)
for_each_set_bit(port, &port_map, MVPP2_LOOPBACK_PORT_INDEX) {