pci_dma_sync_sg_for_device(dma->dev, &dma->sglist[first], last - first + 1, dma->direction); 
pci_dma_sync_sg_for_device(dma->dev, &dma->sglist[first], last - first + 1, dma->direction); 
void dma_region_sync_for_device(struct dma_region *dma, unsigned long offset, unsigned long len){	int first, last;	unsigned long rem;	if (!len)		len = 1;	first = dma_region_find(dma, offset, &rem);	last = dma_region_find(dma, offset + len - 1, &rem);	pci_dma_sync_sg_for_device(dma->dev, &dma->sglist[first], last - first + 1, dma->direction);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/6649e92d792efa00a823781bcee2dba7f21199ba/dma.c/clean/drivers/ieee1394/dma.c