omap_hsmmc_get_dma_chan
chan = omap_hsmmc_get_dma_chan(host, data);
chan = omap_hsmmc_get_dma_chan(host, data);
chan = omap_hsmmc_get_dma_chan(host, req->data);
struct dma_chan *c = omap_hsmmc_get_dma_chan(host, data);
struct dma_chan *c = omap_hsmmc_get_dma_chan(host, mrq->data);
struct dma_chan *chan = omap_hsmmc_get_dma_chan(host, host->data);