crypto: rockchip - store crypto_info in request context

The crypto_info to use must be stored in the request context.
This will help when 2 crypto_info will be available on rk3399.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/rockchip/rk3288_crypto.h

@@ -215,6 +215,7 @@ struct rk_ahash_ctx {
 
 /* the private variable of hash for fallback */
 struct rk_ahash_rctx {
+	struct rk_crypto_info		*dev;
 	struct ahash_request		fallback_req;
 	u32				mode;
 	int nrsg;
@@ -231,6 +232,7 @@ struct rk_cipher_ctx {
 };
 
 struct rk_cipher_rctx {
+	struct rk_crypto_info		*dev;
 	u8 backup_iv[AES_BLOCK_SIZE];
 	u32				mode;
 	struct skcipher_request fallback_req;   // keep at the end

drivers/crypto/rockchip/rk3288_crypto_ahash.c

@@ -200,6 +200,7 @@ static int rk_ahash_export(struct ahash_request *req, void *out)
 
 static int rk_ahash_digest(struct ahash_request *req)
 {
+	struct rk_ahash_rctx *rctx = ahash_request_ctx(req);
 	struct rk_ahash_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
 	struct rk_crypto_info *dev = tctx->dev;
 
@@ -209,6 +210,8 @@ static int rk_ahash_digest(struct ahash_request *req)
 	if (!req->nbytes)
 		return zero_message_process(req);
 
+	rctx->dev = dev;
+
 	return crypto_transfer_hash_request_to_engine(dev->engine, req);
 }
 
@@ -223,10 +226,8 @@ static void crypto_ahash_dma_start(struct rk_crypto_info *dev, struct scatterlis
 static int rk_hash_prepare(struct crypto_engine *engine, void *breq)
 {
 	struct ahash_request *areq = container_of(breq, struct ahash_request, base);
-	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct rk_ahash_rctx *rctx = ahash_request_ctx(areq);
-	struct rk_ahash_ctx *tctx = crypto_ahash_ctx(tfm);
-	struct rk_crypto_info *rkc = tctx->dev;
+	struct rk_crypto_info *rkc = rctx->dev;
 	int ret;
 
 	ret = dma_map_sg(rkc->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE);
@@ -241,10 +242,8 @@ static int rk_hash_prepare(struct crypto_engine *engine, void *breq)
 static int rk_hash_unprepare(struct crypto_engine *engine, void *breq)
 {
 	struct ahash_request *areq = container_of(breq, struct ahash_request, base);
-	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct rk_ahash_rctx *rctx = ahash_request_ctx(areq);
-	struct rk_ahash_ctx *tctx = crypto_ahash_ctx(tfm);
-	struct rk_crypto_info *rkc = tctx->dev;
+	struct rk_crypto_info *rkc = rctx->dev;
 
 	dma_unmap_sg(rkc->dev, areq->src, rctx->nrsg, DMA_TO_DEVICE);
 	return 0;
@@ -255,11 +254,10 @@ static int rk_hash_run(struct crypto_engine *engine, void *breq)
 	struct ahash_request *areq = container_of(breq, struct ahash_request, base);
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct rk_ahash_rctx *rctx = ahash_request_ctx(areq);
-	struct rk_ahash_ctx *tctx = crypto_ahash_ctx(tfm);
 	struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg);
 	struct rk_crypto_tmp *algt = container_of(alg, struct rk_crypto_tmp, alg.hash);
 	struct scatterlist *sg = areq->src;
-	struct rk_crypto_info *rkc = tctx->dev;
+	struct rk_crypto_info *rkc = rctx->dev;
 	int err = 0;
 	int i;
 	u32 v;

drivers/crypto/rockchip/rk3288_crypto_skcipher.c

@@ -86,12 +86,15 @@ static int rk_cipher_handle_req(struct skcipher_request *req)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
 	struct rk_cipher_ctx *tctx = crypto_skcipher_ctx(tfm);
+	struct rk_cipher_rctx *rctx = skcipher_request_ctx(req);
 	struct rk_crypto_info *rkc = tctx->dev;
 	struct crypto_engine *engine = rkc->engine;
 
 	if (rk_cipher_need_fallback(req))
 		return rk_cipher_fallback(req);
 
+	rctx->dev = rkc;
+
 	return crypto_transfer_skcipher_request_to_engine(engine, req);
 }
 
@@ -290,7 +293,6 @@ static int rk_cipher_run(struct crypto_engine *engine, void *async_req)
 {
 	struct skcipher_request *areq = container_of(async_req, struct skcipher_request, base);
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
-	struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm);
 	struct rk_cipher_rctx *rctx = skcipher_request_ctx(areq);
 	struct scatterlist *sgs, *sgd;
 	int err = 0;
@@ -303,7 +305,7 @@ static int rk_cipher_run(struct crypto_engine *engine, void *async_req)
 	unsigned int todo;
 	struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
 	struct rk_crypto_tmp *algt = container_of(alg, struct rk_crypto_tmp, alg.skcipher);
-	struct rk_crypto_info *rkc = ctx->dev;
+	struct rk_crypto_info *rkc = rctx->dev;
 
 	algt->stat_req++;