pciserial_init_ports
serial = pciserial_init_ports(dev, board);
EXPORT_SYMBOL_GPL(pciserial_init_ports);
priv = pciserial_init_ports(dev, board);
new = pciserial_init_ports(dev, priv->board);
pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board);