DCSR_STRTB
saved_dcsr |= (dcsr & DCSR_STRTA ? DCSR_STRTB : 0) |
(dcsr & DCSR_STRTB ? DCSR_STRTA : 0);
saved_dcsr |= dcsr & (DCSR_STRTA | DCSR_STRTB);
writel(DCSR_STRTA | DCSR_STRTB, p->base + DMA_DCSR_C);
WARN_ON(dcsr & (DCSR_BIU | DCSR_STRTA | DCSR_STRTB | DCSR_RUN));
if ((dcsr & (DCSR_STRTA | DCSR_STRTB)) == (DCSR_STRTA | DCSR_STRTB))
if (((dcsr & (DCSR_BIU | DCSR_STRTB)) == (DCSR_BIU | DCSR_STRTB)) ||
dcsr = DCSR_STRTB | DCSR_IE | DCSR_RUN;
(DCSR_STRTA | DCSR_STRTB));
writel_relaxed(DCSR_RUN | DCSR_STRTA | DCSR_STRTB,
(dcsr & (DCSR_BIU | DCSR_STRTB)) == DCSR_BIU)
DCSR_STRTB | DCSR_DONEB,
DCSR_DONEA | DCSR_STRTA | DCSR_DONEB | DCSR_STRTB,