DMAC_CS_END
cs &= DMAC_CS_INT | DMAC_CS_END | DMAC_CS_ERROR;
#define DMAC_CS_INTMASK (DMAC_CS_INT|DMAC_CS_END)
if (status != (DMAC_CS_INT|DMAC_CS_END))
if (status & DMAC_CS_END)
if (sc->sc_dma_status & DMAC_CS_END) {
if (status != (DMAC_CS_INT|DMAC_CS_END))