== DF-5582 control: dispatch the real handler, no race ==
-- dispatch counters before:
hw.df5582.count: 0
hw.df5582.done: 0
hw.df5582.blocking: 0 -> 0
hw.df5582.go: 0 -> 0
-- after:
hw.df5582.count: 1
hw.df5582.done: 1
hw.df5582.status: 0
SUCCESS: count>0 + status=0 (AE_OK) proves the production
smbacpi GSBUS handler ran end-to-end through ACPICA.