phy_interface_num_ports
if (phy_interface_num_ports(config->portmode) == 4 ||
phy_interface_num_ports(config->portmode) == 4)
if (phy_interface_num_ports(config->portmode) != 4)
EXPORT_SYMBOL_GPL(phy_interface_num_ports);
int phy_interface_num_ports(phy_interface_t interface);