loongson2_cmc_dma_chan_reg
struct loongson2_cmc_dma_chan_reg *reg;
memset(&lchan->chan_reg, 0, sizeof(struct loongson2_cmc_dma_chan_reg));
memset(&lchan->chan_reg, 0, sizeof(struct loongson2_cmc_dma_chan_reg));
struct loongson2_cmc_dma_chan_reg chan_reg;
struct loongson2_cmc_dma_chan_reg chan_reg;