MVPP2_RXQ_THRESH_REG
val = mvpp2_read(port->priv, MVPP2_RXQ_THRESH_REG);
mvpp2_write(port->priv, MVPP2_RXQ_THRESH_REG, val);
mvpp2_thread_write(port->priv, thread, MVPP2_RXQ_THRESH_REG,