John Baldwin 42e8c47b78 Add locking to scd(4) and mark MPSAFE. ... - Actually use existing per-softc mutex. - Use mutex in cdev routines and remove D_NEEDGIANT. - Use callout(9) instead of timeout(9). - Don't check for impossible conditions (e.g. SCDINIT being clear). - Use bus_*() instead of bus_space_*(). Tested by: no one		2014-11-18 22:02:37 +00:00
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scd_isa.c
scd.c
scdreg.h
scdvar.h