struct scatterlist *sg = &dma->sglist[dma_region_find(dma, offset, &rem)]; 
struct scatterlist *sg = &dma->sglist[dma_region_find(dma, offset, &rem)]; 
dma_addr_t dma_region_offset_to_bus(struct dma_region *dma, unsigned long offset){	unsigned long rem = 0;	struct scatterlist *sg = &dma->sglist[dma_region_find(dma, offset, &rem)];	return sg_dma_address(sg) + rem;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/6649e92d792efa00a823781bcee2dba7f21199ba/dma.c/clean/drivers/ieee1394/dma.c