49 	int src_off = 0;  in do_async_gen_syndrome()
51 	while (src_cnt > 0) {  in do_async_gen_syndrome()
76 			dma_dest[0] = unmap->addr[disks - 2];  in do_async_gen_syndrome()
119 	for (i = 0; i < disks; i++) {  in do_sync_gen_syndrome()
135 		if (start >= 0)  in do_sync_gen_syndrome()
148 	for (i = 0; i < src_cnt; i++) {  in is_dma_pq_aligned_offs()
149 		if (!is_dma_pq_aligned(dev, offs[i], 0, len))  in is_dma_pq_aligned_offs()
157  * @blocks: source blocks from idx 0..disks-3, P @ disks-2 and Q @ disks-1
164  * primitive polynomial of 0x11d and a generator of {02}.
194 	    (src_cnt <= dma_maxpq(device, 0) ||  in async_gen_syndrome()
195 	     dma_maxpq(device, DMA_PREP_CONTINUE) > 0) &&  in async_gen_syndrome()
198 		enum dma_ctrl_flags dma_flags = 0;  in async_gen_syndrome()
210 		for (i = 0, j = 0; i < src_cnt; i++) {  in async_gen_syndrome()
230 			unmap->addr[j++] = 0;  in async_gen_syndrome()
240 			unmap->addr[j++] = 0;  in async_gen_syndrome()
259 		P(offsets, disks) = 0;  in async_gen_syndrome()
263 		Q(offsets, disks) = 0;  in async_gen_syndrome()
277 	return async_tx_find_channel(submit, DMA_PQ_VAL, NULL, 0,  blocks,  in pq_val_chan()
283  * @blocks: source blocks from idx 0..disks-3, P @ disks-2 and Q @ disks-1
306 	enum dma_ctrl_flags dma_flags = submit->cb_fn ? DMA_PREP_INTERRUPT : 0;  in async_syndrome_val()
314 	if (unmap && disks <= dma_maxpq(device, 0) &&  in async_syndrome_val()
318 		int i, j = 0, src_cnt = 0;  in async_syndrome_val()
324 		for (i = 0; i < disks-2; i++)  in async_syndrome_val()
336 			pq[0] = 0;  in async_syndrome_val()
339 			pq[0] = dma_map_page(dev, P(blocks, disks),  in async_syndrome_val()
342 			unmap->addr[j++] = pq[0];  in async_syndrome_val()
346 			pq[1] = 0;  in async_syndrome_val()
399 		*pqres = 0;  in async_syndrome_val()
415 			init_async_submit(submit, 0, NULL, NULL, NULL, scribble);  in async_syndrome_val()
447 		return 0;  in async_pq_init()