axi_dma_iowrite32
axi_dma_iowrite32(chan->chip, DMAC_CHEN, (u32)val);
axi_dma_iowrite32(chan->chip, DMAC_CHSUSPREG, (u32)val);
axi_dma_iowrite32(chan->chip, DMAC_CHEN, (u32)val);
axi_dma_iowrite32(chan->chip, DMAC_CHSUSPREG, (u32)val);
axi_dma_iowrite32(chip, DMAC_CFG, val);
axi_dma_iowrite32(chip, DMAC_CFG, val);
axi_dma_iowrite32(chip, DMAC_CFG, val);
axi_dma_iowrite32(chip, DMAC_CFG, val);
axi_dma_iowrite32(chan->chip, DMAC_CHEN, (u32)val);
axi_dma_iowrite32(chan->chip, DMAC_CHEN, (u32)val);