CFCR_SUSPF
writel_relaxed(CFCR_SUSPF, ddata->base + STM32_DMA3_CFCR(chan->id));
writel_relaxed(CFCR_SUSPF, ddata->base + STM32_DMA3_CFCR(chan->id));
writel_relaxed(CFCR_SUSPF, ddata->base + STM32_DMA3_CFCR(chan->id));