The
BUS_ADD_CHILD()
method
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.
Please see
device_add_child(9)
for more details.
The interface is the same as
device_add_child(9)
however, the bus'
BUS_ADD_CHILD()
is called.
Buses implementing
BUS_ADD_CHILD()
should insert the device into the tree using
device_add_child(9)
before adding things such as their own ivars and resource lists to the device.
BUS_ADD_CHILD()
is not called by
device_add_child(9).
BUS_ADD_CHILD()
instead calls
device_add_child(9).
A panic will result when called for a bus that does not implement
BUS_ADD_CHILD().
Some buses require a special bus-specific routine to be called instead
of
BUS_ADD_CHILD().