代码

struct bus_type pci_bus_type = {
    .name        = "pci",
    .match        = pci_bus_match,
    .uevent        = pci_uevent,
    .probe        = pci_device_probe,
    .remove        = pci_device_remove,
    .shutdown    = pci_device_shutdown,
    .dev_attrs    = pci_dev_attrs,
    .bus_attrs    = pci_bus_attrs,
    .pm        = PCI_PM_OPS_PTR,
};