- Use aprint_*() rather than printf().
- Use device_t and cfdata_t rather than explicit pointer types.
- Use device_* to get at parts of device_t.
- Use device_private to convert device_t into ioc_softc *.
Note that I haven't yet separated the softc from the device structure because
this driver will need a little care in doing that.
matching names. This commit might include some private hacks that have been
lurking in my tree a while. They're all harmless, and this reduces the number
of gratuitous diffs I have to deal with.
