sis_old_port_base
int port = sis_old_port_base(adev);
int port = sis_old_port_base(adev);
int drive_pci = sis_old_port_base(adev);
int drive_pci = sis_old_port_base(adev);
int drive_pci = sis_old_port_base(adev);
int drive_pci = sis_old_port_base(adev);