DCSR_IE
writel(DCSR_RUN | DCSR_IE, p->base + DMA_DCSR_C);
saved_dcsr &= DCSR_RUN | DCSR_IE;
dcsr = DCSR_STRTA | DCSR_IE | DCSR_RUN;
dcsr = DCSR_STRTB | DCSR_IE | DCSR_RUN;
writel(DCSR_RUN | DCSR_IE, p->base + DMA_DCSR_C);
writel(DCSR_RUN | DCSR_IE, p->base + DMA_DCSR_S);
writel(DCSR_RUN | DCSR_IE |
writel_relaxed(DCSR_RUN | DCSR_IE | DCSR_ERROR |