+ /* register the bus with sysfs as the parent is now
+ * properly registered. */
+ child_bus = dev->subordinate;
+ child_bus->dev.parent = child_bus->bridge;
+ retval = device_register(&child_bus->dev);
+ if (!retval)
+ retval = device_create_file(&child_bus->dev,
+ &dev_attr_cpuaffinity);
+ if (retval)
+ dev_err(&dev->dev, "Error registering pci_bus"
+ " device bridge symlink,"
+ " continuing...\n");