is used by the driver identify routine to add devices to the tree.
It can also be used to add children to buses that implement this
routine in other contexts, although the behavior is bus specific.
for more details.
The interface is the same as
however, the bus'
should insert the device into the tree using
before adding things such as their own ivars and resource lists to the device.
is not called by
A panic will result when called for a bus that does not implement
Some buses require a special bus-specific routine to be called instead