M66592_BASE_PIPENUM_INT
bufnum = 4 + (info->pipe - M66592_BASE_PIPENUM_INT);
info.pipe = M66592_BASE_PIPENUM_INT + m66592->interrupt;
((pipenum >= M66592_BASE_PIPENUM_INT) && \
(pipenum < (M66592_BASE_PIPENUM_INT + M66592_MAX_NUM_INT)))