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Donenfeld" , linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, x86@kernel.org, Eric Biggers Subject: [PATCH 22/26] nfc: s3fwrn5: Use SHA-1 library instead of crypto_shash Date: Sat, 12 Jul 2025 16:23:13 -0700 Message-ID: <20250712232329.818226-23-ebiggers@kernel.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250712232329.818226-1-ebiggers@kernel.org> References: <20250712232329.818226-1-ebiggers@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Use the SHA-1 library instead of crypto_shash. This is simpler and faster. Signed-off-by: Eric Biggers --- drivers/nfc/s3fwrn5/Kconfig | 3 +-- drivers/nfc/s3fwrn5/firmware.c | 17 +---------------- 2 files changed, 2 insertions(+), 18 deletions(-) diff --git a/drivers/nfc/s3fwrn5/Kconfig b/drivers/nfc/s3fwrn5/Kconfig index 8a6b1a79de253..96386b73fa2b6 100644 --- a/drivers/nfc/s3fwrn5/Kconfig +++ b/drivers/nfc/s3fwrn5/Kconfig @@ -1,10 +1,9 @@ # SPDX-License-Identifier: GPL-2.0-only config NFC_S3FWRN5 tristate - select CRYPTO - select CRYPTO_HASH + select CRYPTO_LIB_SHA1 help Core driver for Samsung S3FWRN5 NFC chip. Contains core utilities of chip. It's intended to be used by PHYs to avoid duplicating lots of common code. diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index 781cdbcac104c..64d61b2a715ae 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -6,11 +6,10 @@ * Robert Baldyga */ #include #include -#include #include #include "s3fwrn5.h" #include "firmware.h" @@ -409,31 +408,17 @@ bool s3fwrn5_fw_check_version(const struct s3fwrn5_fw_info *fw_info, u32 version int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info) { struct device *dev = &fw_info->ndev->nfc_dev->dev; struct s3fwrn5_fw_image *fw = &fw_info->fw; u8 hash_data[SHA1_DIGEST_SIZE]; - struct crypto_shash *tfm; u32 image_size, off; int ret; image_size = fw_info->sector_size * fw->image_sectors; /* Compute SHA of firmware data */ - - tfm = crypto_alloc_shash("sha1", 0, 0); - if (IS_ERR(tfm)) { - dev_err(dev, "Cannot allocate shash (code=%pe)\n", tfm); - return PTR_ERR(tfm); - } - - ret = crypto_shash_tfm_digest(tfm, fw->image, image_size, hash_data); - - crypto_free_shash(tfm); - if (ret) { - dev_err(dev, "Cannot compute hash (code=%d)\n", ret); - return ret; - } + sha1(fw->image, image_size, hash_data); /* Firmware update process */ dev_info(dev, "Firmware update: %s\n", fw_info->fw_name); -- 2.50.1