FSL_QDMA_BCQMR
reg = qdma_readl(fsl_chan->qdma, block + FSL_QDMA_BCQMR(fsl_queue->id));
qdma_writel(fsl_chan->qdma, reg, block + FSL_QDMA_BCQMR(fsl_queue->id));
qdma_writel(fsl_qdma, 0, block + FSL_QDMA_BCQMR(i));
qdma_writel(fsl_qdma, reg, block + FSL_QDMA_BCQMR(i));