From patchwork Tue Jul 17 16:05:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 945212 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41VQZN0Z8hz9s3Z for ; Wed, 18 Jul 2018 02:23:40 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="sIkrFkbd"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 41VQZM62JNzF3HZ for ; Wed, 18 Jul 2018 02:23:39 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="sIkrFkbd"; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=krzk@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="sIkrFkbd"; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 41VQBy1WQ5zF3Hs for ; Wed, 18 Jul 2018 02:06:49 +1000 (AEST) Received: from localhost.localdomain (xdsl-188-155-58-14.adslplus.ch [188.155.58.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0465620849; Tue, 17 Jul 2018 16:06:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1531843608; bh=W53bbQvonhTknroYbREKOUJYNmnGPBPmYUP0btUEKZY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sIkrFkbdRMiBOp3QnRkon9f6eEmpX4JiJ0/2gfel9guJj+EXUxvXOKma6GGlPcYbo PrskxgxKMd4gYkw+VQFx2xjImDdp+qNBA5kMTSynkgKrHF+3Z0u2/qnifYkQTsb5cV KICnnlePZ4CdnWqp1hkDQotvJ+sTlok+LJ2h3YoY= From: Krzysztof Kozlowski To: Herbert Xu , "David S. Miller" , Maxime Coquelin , Alexandre Torgue , Tom Lendacky , Siva Reddy Kallam , Prashant Sreedharan , Michael Chan , Fugang Duan , Pantelis Antoniou , Vitaly Bordug , Jose Abreu , Larry Finger , Florian Schilhabel , Greg Kroah-Hartman , Thomas Gleixner , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devel@driverdev.osuosl.org Subject: [PATCH 3/6] crypto: stm32_crc32 - Use existing define with polynomial Date: Tue, 17 Jul 2018 18:05:38 +0200 Message-Id: <20180717160541.3843-4-krzk@kernel.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180717160541.3843-1-krzk@kernel.org> References: <20180717160541.3843-1-krzk@kernel.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Krzysztof Kozlowski Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Do not define again the polynomial but use header with existing define. Signed-off-by: Krzysztof Kozlowski --- Not tested It would be nice to get some testing. Only generic lib/crc, bunzip, xz_crc32 and Freescale's Ethernet driver were tested on HW. Rest got just different builds. drivers/crypto/stm32/stm32_crc32.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/crypto/stm32/stm32_crc32.c b/drivers/crypto/stm32/stm32_crc32.c index 040bed5e7725..29d2095d9dfd 100644 --- a/drivers/crypto/stm32/stm32_crc32.c +++ b/drivers/crypto/stm32/stm32_crc32.c @@ -6,6 +6,7 @@ #include #include +#include #include #include #include @@ -30,10 +31,6 @@ #define CRC_CR_REVERSE (BIT(7) | BIT(6) | BIT(5)) #define CRC_INIT_DEFAULT 0xFFFFFFFF -/* Polynomial reversed */ -#define POLY_CRC32 0xEDB88320 -#define POLY_CRC32C 0x82F63B78 - #define CRC_AUTOSUSPEND_DELAY 50 struct stm32_crc { @@ -70,7 +67,7 @@ static int stm32_crc32_cra_init(struct crypto_tfm *tfm) struct stm32_crc_ctx *mctx = crypto_tfm_ctx(tfm); mctx->key = CRC_INIT_DEFAULT; - mctx->poly = POLY_CRC32; + mctx->poly = CRC32_POLY_LE; return 0; } @@ -79,7 +76,7 @@ static int stm32_crc32c_cra_init(struct crypto_tfm *tfm) struct stm32_crc_ctx *mctx = crypto_tfm_ctx(tfm); mctx->key = CRC_INIT_DEFAULT; - mctx->poly = POLY_CRC32C; + mctx->poly = CRC32C_POLY_LE; return 0; } @@ -188,7 +185,7 @@ static int stm32_crc_final(struct shash_desc *desc, u8 *out) struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm); /* Send computed CRC */ - put_unaligned_le32(mctx->poly == POLY_CRC32C ? + put_unaligned_le32(mctx->poly == CRC32C_POLY_LE ? ~ctx->partial : ctx->partial, out); return 0;