mxs_dma_ccw
#define NUM_CCW (int)(CCW_BLOCK_SIZE / sizeof(struct mxs_dma_ccw))
struct mxs_dma_ccw *ccw;
struct mxs_dma_ccw *ccw;
struct mxs_dma_ccw *ccw = &mxs_chan->ccw[i];
struct mxs_dma_ccw *last_ccw;