PCI_DEVICE_ID_SIIG_2S1P_20x_550 234 drivers/parport/parport_serial.c { PCI_VENDOR_ID_SIIG, PCI_DEVICE_ID_SIIG_2S1P_20x_550, PCI_DEVICE_ID_SIIG_2S1P_20x_550 491 drivers/tty/serial/8250/8250_pci.c #define PCI_DEVICE_ID_SIIG_2S1P_20x (PCI_DEVICE_ID_SIIG_2S1P_20x_550 & 0xfffc)