sec_bus 229 drivers/pci/pci-sysfs.c u8 sec_bus; sec_bus 232 drivers/pci/pci-sysfs.c err = pci_read_config_byte(pci_dev, PCI_SECONDARY_BUS, &sec_bus); sec_bus 236 drivers/pci/pci-sysfs.c return sprintf(buf, "%u\n", sec_bus);