drivers/dma/mv_xor.c

769 	struct dmaengine_unmap_data *unmap;
792 	unmap = dmaengine_get_unmap_data(dma_chan->device->dev, 2, GFP_KERNEL);
793 	if (!unmap) {
801 	unmap->addr[0] = src_dma;
808 	unmap->to_cnt = 1;
813 	unmap->addr[1] = dest_dma;
820 	unmap->from_cnt = 1;
821 	unmap->len = PAGE_SIZE;
862 	dmaengine_unmap_put(unmap);
880 	struct dmaengine_unmap_data *unmap;
925 	unmap = dmaengine_get_unmap_data(dma_chan->device->dev, src_count + 1,
927 	if (!unmap) {
934 		unmap->addr[i] = dma_map_page(dma_chan->device->dev, xor_srcs[i],
936 		dma_srcs[i] = unmap->addr[i];
937 		ret = dma_mapping_error(dma_chan->device->dev, unmap->addr[i]);
942 		unmap->to_cnt++;
945 	unmap->addr[src_count] = dma_map_page(dma_chan->device->dev, dest, 0, PAGE_SIZE,
947 	dest_dma = unmap->addr[src_count];
948 	ret = dma_mapping_error(dma_chan->device->dev, unmap->addr[src_count]);
953 	unmap->from_cnt = 1;
954 	unmap->len = PAGE_SIZE;
999 	dmaengine_unmap_put(unmap);