From: Corentin Labbe Subject: [PATCH RFC 4/4] crypto: stm32: convert to the new crypto engine API Date: Wed, 29 Nov 2017 09:41:21 +0100 Message-ID: <20171129084121.9385-5-clabbe.montjoie@gmail.com> References: <20171129084121.9385-1-clabbe.montjoie@gmail.com> Cc: linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Corentin Labbe To: herbert@gondor.apana.org.au, alexandre.torgue@st.com, arei.gonglei@huawei.com, davem@davemloft.net, jasowang@redhat.com, mcoquelin.stm32@gmail.com, mst@redhat.com, fabien.dessenne@st.com Return-path: In-Reply-To: <20171129084121.9385-1-clabbe.montjoie@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org This patch convert the driver to the new crypto engine API. Signed-off-by: Corentin Labbe --- drivers/crypto/stm32/stm32-hash.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c index 4ca4a264a833..e3f9f7b04ce2 100644 --- a/drivers/crypto/stm32/stm32-hash.c +++ b/drivers/crypto/stm32/stm32-hash.c @@ -122,6 +122,7 @@ enum stm32_hash_data_format { #define HASH_DMA_THRESHOLD 50 struct stm32_hash_ctx { + struct crypto_engine_reqctx enginectx; struct stm32_hash_dev *hdev; unsigned long flags; @@ -811,7 +812,7 @@ static void stm32_hash_finish_req(struct ahash_request *req, int err) rctx->flags |= HASH_FLAGS_ERRORS; } - crypto_finalize_hash_request(hdev->engine, req, err); + crypto_finalize_request(hdev->engine, &req->base, err); } static int stm32_hash_hw_init(struct stm32_hash_dev *hdev, @@ -828,15 +829,21 @@ static int stm32_hash_hw_init(struct stm32_hash_dev *hdev, return 0; } +static int stm32_hash_one_request(struct crypto_engine *engine, + struct crypto_async_request *areq); +static int stm32_hash_prepare_req(struct crypto_engine *engine, + struct crypto_async_request *areq); + static int stm32_hash_handle_queue(struct stm32_hash_dev *hdev, struct ahash_request *req) { - return crypto_transfer_hash_request_to_engine(hdev->engine, req); + return crypto_transfer_request_to_engine(hdev->engine, &req->base); } static int stm32_hash_prepare_req(struct crypto_engine *engine, - struct ahash_request *req) + struct crypto_async_request *areq) { + struct ahash_request *req = ahash_request_cast(areq); struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx); struct stm32_hash_request_ctx *rctx; @@ -855,8 +862,9 @@ static int stm32_hash_prepare_req(struct crypto_engine *engine, } static int stm32_hash_one_request(struct crypto_engine *engine, - struct ahash_request *req) + struct crypto_async_request *areq) { + struct ahash_request *req = ahash_request_cast(areq); struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req)); struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx); struct stm32_hash_request_ctx *rctx; @@ -1033,6 +1041,9 @@ static int stm32_hash_cra_init_algs(struct crypto_tfm *tfm, if (algs_hmac_name) ctx->flags |= HASH_FLAGS_HMAC; + ctx->enginectx.op.do_one_request = stm32_hash_one_request; + ctx->enginectx.op.prepare_request = stm32_hash_prepare_req; + ctx->enginectx.op.unprepare_request = NULL; return 0; } @@ -1493,9 +1504,6 @@ static int stm32_hash_probe(struct platform_device *pdev) goto err_engine; } - hdev->engine->prepare_hash_request = stm32_hash_prepare_req; - hdev->engine->hash_one_request = stm32_hash_one_request; - ret = crypto_engine_start(hdev->engine); if (ret) goto err_engine_start; -- 2.13.6