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[71.163.245.5]) by smtp.googlemail.com with ESMTPSA id w8sm1769903qts.50.2021.01.20.10.48.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 10:48:51 -0800 (PST) From: Thara Gopinath To: herbert@gondor.apana.org.au, davem@davemloft.net, bjorn.andersson@linaro.org Cc: ebiggers@google.com, ardb@kernel.org, sivaprak@codeaurora.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 6/6] drivers: crypto: qce: Remove totallen and offset in qce_start Date: Wed, 20 Jan 2021 13:48:43 -0500 Message-Id: <20210120184843.3217775-7-thara.gopinath@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210120184843.3217775-1-thara.gopinath@linaro.org> References: <20210120184843.3217775-1-thara.gopinath@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org totallen is used to get the size of the data to be transformed. This is also available via nbytes or cryptlen in the qce_sha_reqctx and qce_cipher_ctx. Similarly offset convey nothing for the supported encryption and authentication transformations and is always 0. Remove these two redundant parameters in qce_start. Signed-off-by: Thara Gopinath --- drivers/crypto/qce/common.c | 17 +++++++---------- drivers/crypto/qce/common.h | 3 +-- drivers/crypto/qce/sha.c | 2 +- drivers/crypto/qce/skcipher.c | 2 +- 4 files changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/crypto/qce/common.c b/drivers/crypto/qce/common.c index f7bc701a4aa2..dceb9579d87a 100644 --- a/drivers/crypto/qce/common.c +++ b/drivers/crypto/qce/common.c @@ -140,8 +140,7 @@ static u32 qce_auth_cfg(unsigned long flags, u32 key_size) return cfg; } -static int qce_setup_regs_ahash(struct crypto_async_request *async_req, - u32 totallen, u32 offset) +static int qce_setup_regs_ahash(struct crypto_async_request *async_req) { struct ahash_request *req = ahash_request_cast(async_req); struct crypto_ahash *ahash = __crypto_ahash_cast(async_req->tfm); @@ -306,8 +305,7 @@ static void qce_xtskey(struct qce_device *qce, const u8 *enckey, qce_write(qce, REG_ENCR_XTS_DU_SIZE, cryptlen); } -static int qce_setup_regs_skcipher(struct crypto_async_request *async_req, - u32 totallen, u32 offset) +static int qce_setup_regs_skcipher(struct crypto_async_request *async_req) { struct skcipher_request *req = skcipher_request_cast(async_req); struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req); @@ -367,7 +365,7 @@ static int qce_setup_regs_skcipher(struct crypto_async_request *async_req, qce_write(qce, REG_ENCR_SEG_CFG, encr_cfg); qce_write(qce, REG_ENCR_SEG_SIZE, rctx->cryptlen); - qce_write(qce, REG_ENCR_SEG_START, offset & 0xffff); + qce_write(qce, REG_ENCR_SEG_START, 0); if (IS_CTR(flags)) { qce_write(qce, REG_CNTR_MASK, ~0); @@ -376,7 +374,7 @@ static int qce_setup_regs_skcipher(struct crypto_async_request *async_req, qce_write(qce, REG_CNTR_MASK2, ~0); } - qce_write(qce, REG_SEG_SIZE, totallen); + qce_write(qce, REG_SEG_SIZE, rctx->cryptlen); /* get little endianness */ config = qce_config_reg(qce, 1); @@ -388,17 +386,16 @@ static int qce_setup_regs_skcipher(struct crypto_async_request *async_req, } #endif -int qce_start(struct crypto_async_request *async_req, u32 type, u32 totallen, - u32 offset) +int qce_start(struct crypto_async_request *async_req, u32 type) { switch (type) { #ifdef CONFIG_CRYPTO_DEV_QCE_SKCIPHER case CRYPTO_ALG_TYPE_SKCIPHER: - return qce_setup_regs_skcipher(async_req, totallen, offset); + return qce_setup_regs_skcipher(async_req); #endif #ifdef CONFIG_CRYPTO_DEV_QCE_SHA case CRYPTO_ALG_TYPE_AHASH: - return qce_setup_regs_ahash(async_req, totallen, offset); + return qce_setup_regs_ahash(async_req); #endif default: return -EINVAL; diff --git a/drivers/crypto/qce/common.h b/drivers/crypto/qce/common.h index 85ba16418a04..3bc244bcca2d 100644 --- a/drivers/crypto/qce/common.h +++ b/drivers/crypto/qce/common.h @@ -94,7 +94,6 @@ struct qce_alg_template { void qce_cpu_to_be32p_array(__be32 *dst, const u8 *src, unsigned int len); int qce_check_status(struct qce_device *qce, u32 *status); void qce_get_version(struct qce_device *qce, u32 *major, u32 *minor, u32 *step); -int qce_start(struct crypto_async_request *async_req, u32 type, u32 totallen, - u32 offset); +int qce_start(struct crypto_async_request *async_req, u32 type); #endif /* _COMMON_H_ */ diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c index dd263c5e4dd8..a079e92b4e75 100644 --- a/drivers/crypto/qce/sha.c +++ b/drivers/crypto/qce/sha.c @@ -113,7 +113,7 @@ static int qce_ahash_async_req_handle(struct crypto_async_request *async_req) qce_dma_issue_pending(&qce->dma); - ret = qce_start(async_req, tmpl->crypto_alg_type, 0, 0); + ret = qce_start(async_req, tmpl->crypto_alg_type); if (ret) goto error_terminate; diff --git a/drivers/crypto/qce/skcipher.c b/drivers/crypto/qce/skcipher.c index d78b932441ab..a93fd3fd5f1a 100644 --- a/drivers/crypto/qce/skcipher.c +++ b/drivers/crypto/qce/skcipher.c @@ -143,7 +143,7 @@ qce_skcipher_async_req_handle(struct crypto_async_request *async_req) qce_dma_issue_pending(&qce->dma); - ret = qce_start(async_req, tmpl->crypto_alg_type, req->cryptlen, 0); + ret = qce_start(async_req, tmpl->crypto_alg_type); if (ret) goto error_terminate; -- 2.25.1