crypto/inside-secure/safexcel_hash.c

234 	struct safexcel_ahash_req *sreq = ahash_request_ctx_dma(areq);
251 	if (sreq->nents) {
252 		dma_unmap_sg(priv->dev, areq->src, sreq->nents, DMA_TO_DEVICE);
253 		sreq->nents = 0;
256 	if (sreq->result_dma) {
257 		dma_unmap_single(priv->dev, sreq->result_dma, sreq->digest_sz,
259 		sreq->result_dma = 0;
262 	if (sreq->cache_dma) {
263 		dma_unmap_single(priv->dev, sreq->cache_dma, sreq->cache_sz,
265 		sreq->cache_dma = 0;
266 		sreq->cache_sz = 0;
269 	if (sreq->finish) {
270 		if (sreq->hmac &&
271 		    (sreq->digest != CONTEXT_CONTROL_DIGEST_HMAC)) {
273 			memcpy(sreq->cache, sreq->state,
276 			memcpy(sreq->state, &ctx->base.opad, sreq->digest_sz);
278 			sreq->len = sreq->block_sz +
280 			sreq->processed = sreq->block_sz;
281 			sreq->hmac = 0;
292 		if (unlikely(sreq->digest == CONTEXT_CONTROL_DIGEST_XCM &&
295 			*(__le32 *)areq->result = ~sreq->state[0];
297 			memcpy(areq->result, sreq->state,
302 	cache_len = safexcel_queued_len(sreq);
304 		memcpy(sreq->cache, sreq->cache_next, cache_len);