24 	struct dmaengine_unmap_data *unmap = NULL;  in async_sum_product()  local
30 		unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOWAIT);  in async_sum_product()
32 	if (unmap) {  in async_sum_product()
40 		unmap->addr[0] = dma_map_page(dev, srcs[0], 0, len, DMA_TO_DEVICE);  in async_sum_product()
41 		unmap->addr[1] = dma_map_page(dev, srcs[1], 0, len, DMA_TO_DEVICE);  in async_sum_product()
42 		unmap->to_cnt = 2;  in async_sum_product()
44 		unmap->addr[2] = dma_map_page(dev, dest, 0, len, DMA_BIDIRECTIONAL);  in async_sum_product()
45 		unmap->bidi_cnt = 1;  in async_sum_product()
47 		pq[1] = unmap->addr[2];  in async_sum_product()
49 		unmap->len = len;  in async_sum_product()
50 		tx = dma->device_prep_dma_pq(chan, pq, unmap->addr, 2, coef,  in async_sum_product()
53 			dma_set_unmap(tx, unmap);  in async_sum_product()
55 			dmaengine_unmap_put(unmap);  in async_sum_product()
62 		dmaengine_unmap_put(unmap);  in async_sum_product()
89 	struct dmaengine_unmap_data *unmap = NULL;  in async_mult()  local
94 		unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOWAIT);  in async_mult()
96 	if (unmap) {  in async_mult()
104 		unmap->addr[0] = dma_map_page(dev, src, 0, len, DMA_TO_DEVICE);  in async_mult()
105 		unmap->to_cnt++;  in async_mult()
106 		unmap->addr[1] = dma_map_page(dev, dest, 0, len, DMA_BIDIRECTIONAL);  in async_mult()
107 		dma_dest[1] = unmap->addr[1];  in async_mult()
108 		unmap->bidi_cnt++;  in async_mult()
109 		unmap->len = len;  in async_mult()
115 		tx = dma->device_prep_dma_pq(chan, dma_dest, unmap->addr,  in async_mult()
119 			dma_set_unmap(tx, unmap);  in async_mult()
120 			dmaengine_unmap_put(unmap);  in async_mult()
128 		dmaengine_unmap_put(unmap);  in async_mult()