PASS  iicsmb_bwrite error: label has NO iicbus_stop
PASS  iicsmb_bwrite calls iicbus_start -> goto error on failure
PASS  iicsmb_bread error: DOES call iicbus_stop (control case)
PASS  iicbus_start sets sc->started on success
PASS  iicbus_start returns EINVAL when started is set
PASS  iicbus_stop clears sc->started
PASS  iicsmb is built (bus/iicbus/iicsmb.c in conf/files)
PASS  iicbus_request_bus / iicbus_release_bus do NOT touch sc->started

PASS=8 FAIL=0