hfc_l1callback 1889 drivers/isdn/hardware/mISDN/hfcpci.c err = create_l1(&hc->dch, hfc_l1callback); hfc_l1callback 1903 drivers/isdn/hardware/mISDN/hfcpci.c err = create_l1(&hc->dch, hfc_l1callback); hfc_l1callback 442 drivers/isdn/hardware/mISDN/hfcsusb.c err = create_l1(&hw->dch, hfc_l1callback);