From patchwork Thu Jul 22 16:59:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Salah Triki X-Patchwork-Id: 12394387 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C291C63797 for ; Thu, 22 Jul 2021 17:01:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 03B63610CC for ; Thu, 22 Jul 2021 17:01:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236391AbhGVQUg (ORCPT ); Thu, 22 Jul 2021 12:20:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233491AbhGVQTK (ORCPT ); Thu, 22 Jul 2021 12:19:10 -0400 Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DBFEEC061796; Thu, 22 Jul 2021 09:59:42 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id k12-20020a05600c1c8cb02901f259f3a250so30356wms.2; Thu, 22 Jul 2021 09:59:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition; bh=BM24k6H9LcY/dUUeA4LE+RhfS6GQmXK+4XERxfAvlv0=; b=qgqjaOiR5GDdZTa15bTl9JTnbzB07s9U9I9cEwDWRuN5S2mke859hy+UUqa9AvmPFs QnFQcBfyQYO2hoq+QCnMeAzFQrJjuhZwNSk8lKxsoQut82+gNyGeae8CX2fdtJ6AsPUJ sIFDuSM228csEcVbnMRcDLNmkw37EjzdGSBxe/+i5FutmwIEz61FJPGoXcNnt7LdzFmq 7HMiDuUAhpP0zT8ZvB+6hGaL+M+s14GjFJ8edGsNTcFdoBf+Bjtotk6/Fz1gTx1H1MVo lOn17fh/knU+cY7LH09yds5UE/7MbJXAnTDAQROY/7yRFOTdLDSVwG26C7HozDiY6WdQ 5ySA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=BM24k6H9LcY/dUUeA4LE+RhfS6GQmXK+4XERxfAvlv0=; b=mvhuGWJ60aPNmMVb+Vx2YbfZpN/kpuEPadJQVEat+zTFdcs+MC5HbqnibKZTadFS8+ MfL4pMUoIaivvE26TF7Thn3SzgEhQuSwl9cL5WhK6kZKCHFni6aU0a2DJMgDxec1O2To pwpriEU+4GWhAh83i7sCoiRB2frobrrSU0m5Gv/+XKSXSuq/XLx8xXF7zm6no/d1zB/N gpmJqiVv32uosDzC2RQbGtqZ6pXdUtm7+CNYTOCknqL6jk/5Qe0UgE3TUx5DNiIcpKKe Y5dYfEylkwUskiekkkSkEbDSGv8q1ZgliY/eV9C2Wz0/P5KDc2CRmZW8QgQHFLIXvrCT HxvA== X-Gm-Message-State: AOAM532wXJlU4DfUb0HYG1kysebJ7QpYjgeTcoliOVaBiFbu4kAphem6 myO78AcT7fBo9mDDRwVjjf1qhKXYa58= X-Google-Smtp-Source: ABdhPJyg8BQJejnjRRm1BTEU8FOHujUxCDxVRnY3wBbr0UdKdyaOqBiZbD58vEBD+v7h6w/GM/G4Tw== X-Received: by 2002:a7b:ca50:: with SMTP id m16mr10037592wml.140.1626973181475; Thu, 22 Jul 2021 09:59:41 -0700 (PDT) Received: from pc ([196.235.233.206]) by smtp.gmail.com with ESMTPSA id n23sm24009425wms.4.2021.07.22.09.59.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jul 2021 09:59:40 -0700 (PDT) Date: Thu, 22 Jul 2021 17:59:38 +0100 From: Salah Triki To: herbert@gondor.apana.org.au, davem@davemloft.net, nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com, ludovic.desroches@microchip.com, gregkh@linuxfoundation.org Cc: linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RESEND] gpu: ipu-v3: use swap() Message-ID: <20210722165938.GA4116@pc> MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Use swap() instead of implementing it in order to make code more clean. Signed-off-by: Salah Triki --- drivers/crypto/atmel-aes.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index b1d286004295..60041022c4f5 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -1819,12 +1819,8 @@ static int atmel_aes_xts_process_data(struct atmel_aes_dev *dd) * the order of the ciphered tweak bytes need to be reversed before * writing them into the ODATARx registers. */ - for (i = 0; i < AES_BLOCK_SIZE/2; ++i) { - u8 tmp = tweak_bytes[AES_BLOCK_SIZE - 1 - i]; - - tweak_bytes[AES_BLOCK_SIZE - 1 - i] = tweak_bytes[i]; - tweak_bytes[i] = tmp; - } + for (i = 0; i < AES_BLOCK_SIZE/2; ++i) + swap(tweak_bytes[i], tweak_bytes[AES_BLOCK_SIZE - 1 - i]); /* Process the data. */ atmel_aes_write_ctrl(dd, use_dma, NULL);