compat probe routines to work).
o Have a null driver_added routines. We need to be careful about probing
until after we know we have a card. For the moment, we do nothing
(which is safe). This fixes a panic when a driver is loaded w/o a
card in the slot.
XXX still need to fix the resource list code. It is totally busted and
XXX causes a panic in the child printing routine after the probe has
XXX succeeded.
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