mvs_dmasetupc_cb
ch->dma.workrq, MVS_WORKRQ_SIZE, mvs_dmasetupc_cb, &dcba, 0) ||
ch->dma.workrp, MVS_WORKRP_SIZE, mvs_dmasetupc_cb, &dcba, 0) ||
static void mvs_dmasetupc_cb(void *xsc,