to_fsl_chan
chan = to_fsl_chan(dchan);
struct fsldma_chan *chan = to_fsl_chan(tx->chan);
struct fsldma_chan *chan = to_fsl_chan(dchan);
struct fsldma_chan *chan = to_fsl_chan(dchan);
chan = to_fsl_chan(dchan);
chan = to_fsl_chan(dchan);
chan = to_fsl_chan(dchan);
struct fsldma_chan *chan = to_fsl_chan(dchan);
struct fsldma_chan *chan = to_fsl_chan(dchan);