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author | Corentin LABBE <clabbe.montjoie@gmail.com> | 2018-01-26 20:15:34 +0100 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-02-15 23:26:53 +0800 |
commit | dc7bcef5e956257c9cfb19a9a8d32b824b78ef64 (patch) | |
tree | c0269b2d63b6840510d9b2c25f36e7be57d6c3b7 /drivers/crypto/stm32 | |
parent | fb45490d50f49eacff8b7ba3e67dbdd9bad671f5 (diff) | |
download | linux-dc7bcef5e956257c9cfb19a9a8d32b824b78ef64.tar.gz linux-dc7bcef5e956257c9cfb19a9a8d32b824b78ef64.tar.bz2 linux-dc7bcef5e956257c9cfb19a9a8d32b824b78ef64.zip |
crypto: stm32-cryp - convert to the new crypto engine API
This patch convert the stm32-cryp driver to the new crypto engine API.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/stm32')
-rw-r--r-- | drivers/crypto/stm32/stm32-cryp.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c index 4a06a7a665ee..0f0e2ba56a5a 100644 --- a/drivers/crypto/stm32/stm32-cryp.c +++ b/drivers/crypto/stm32/stm32-cryp.c @@ -91,6 +91,7 @@ #define _walked_out (cryp->out_walk.offset - cryp->out_sg->offset) struct stm32_cryp_ctx { + struct crypto_engine_ctx enginectx; struct stm32_cryp *cryp; int keylen; u32 key[AES_KEYSIZE_256 / sizeof(u32)]; @@ -478,7 +479,7 @@ static void stm32_cryp_finish_req(struct stm32_cryp *cryp) free_pages((unsigned long)buf_out, pages); } - crypto_finalize_cipher_request(cryp->engine, cryp->req, err); + crypto_finalize_ablkcipher_request(cryp->engine, cryp->req, err); cryp->req = NULL; memset(cryp->ctx->key, 0, cryp->ctx->keylen); @@ -494,10 +495,19 @@ static int stm32_cryp_cpu_start(struct stm32_cryp *cryp) return 0; } +static int stm32_cryp_cipher_one_req(struct crypto_engine *engine, void *areq); +static int stm32_cryp_prepare_cipher_req(struct crypto_engine *engine, + void *areq); + static int stm32_cryp_cra_init(struct crypto_tfm *tfm) { + struct stm32_cryp_ctx *ctx = crypto_tfm_ctx(tfm); + tfm->crt_ablkcipher.reqsize = sizeof(struct stm32_cryp_reqctx); + ctx->enginectx.op.do_one_request = stm32_cryp_cipher_one_req; + ctx->enginectx.op.prepare_request = stm32_cryp_prepare_cipher_req; + ctx->enginectx.op.unprepare_request = NULL; return 0; } @@ -513,7 +523,7 @@ static int stm32_cryp_crypt(struct ablkcipher_request *req, unsigned long mode) rctx->mode = mode; - return crypto_transfer_cipher_request_to_engine(cryp->engine, req); + return crypto_transfer_ablkcipher_request_to_engine(cryp->engine, req); } static int stm32_cryp_setkey(struct crypto_ablkcipher *tfm, const u8 *key, @@ -695,14 +705,20 @@ out: } static int stm32_cryp_prepare_cipher_req(struct crypto_engine *engine, - struct ablkcipher_request *req) + void *areq) { + struct ablkcipher_request *req = container_of(areq, + struct ablkcipher_request, + base); + return stm32_cryp_prepare_req(engine, req); } -static int stm32_cryp_cipher_one_req(struct crypto_engine *engine, - struct ablkcipher_request *req) +static int stm32_cryp_cipher_one_req(struct crypto_engine *engine, void *areq) { + struct ablkcipher_request *req = container_of(areq, + struct ablkcipher_request, + base); struct stm32_cryp_ctx *ctx = crypto_ablkcipher_ctx( crypto_ablkcipher_reqtfm(req)); struct stm32_cryp *cryp = ctx->cryp; @@ -1102,9 +1118,6 @@ static int stm32_cryp_probe(struct platform_device *pdev) goto err_engine1; } - cryp->engine->prepare_cipher_request = stm32_cryp_prepare_cipher_req; - cryp->engine->cipher_one_request = stm32_cryp_cipher_one_req; - ret = crypto_engine_start(cryp->engine); if (ret) { dev_err(dev, "Could not start crypto engine\n"); |