From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C7F24C43458 for ; Mon, 6 Jul 2026 15:04:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=WLGW09LnZSqYVDwzaVkwBn6CEBapAxlFThv6OXq+CBw=; b=H92p5RRnacpgQgSf52gDHsiEDK 0qW886BBYTejx5GLV8JOPNbuz2l74xpqcbykTsbhekYTtBXFXaxEDeCxhYP/xOV50T4OgafLyMCyS zbqVL/vdswE9GfQ7QQyAM2PtjWsrmhIFpZ0UylBGqizfG5KJ9NVuosTY9+7atVeengxbImySn7jfq zLF51zMiaA3wezx/b/hy254Zl+9T8ap7CEl9NPoqI29LNCMzZeeVdvjgulCX6m9sAml3MYE4QP+2R AZkc30d84yFHWuDh/QCX+lsKJadff81oe55wSMHkrribhcut8ommTaW6U3hsQd3NTV9WpT+fp2R/e MQgWKcVg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgks3-0000000Cpep-0UIM; Mon, 06 Jul 2026 15:04:31 +0000 Received: from out-171.mta1.migadu.com ([95.215.58.171]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgks0-0000000Cpdf-2X8f for linux-arm-kernel@lists.infradead.org; Mon, 06 Jul 2026 15:04:30 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1783350264; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=WLGW09LnZSqYVDwzaVkwBn6CEBapAxlFThv6OXq+CBw=; b=sdQE8Eoa5wacO+0yAruFzmI8tmzkx9scFMszeEm7a6R1mp7Wi3KMj4Ovn5mcA3U0tPWGa/ 7eRpYeCpkUstJdt77qOmytnC0mrtXyiK62XYWNgBUOBqW/60RlGrk2JX+8phYjUJhVDmma of93cnt1JfeFmrSihH5twGv66Oclems= From: Thorsten Blum To: Herbert Xu , "David S. Miller" , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea Cc: Thorsten Blum , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] crypto: atmel-tdes - simplify fast path in crypt_start Date: Mon, 6 Jul 2026 17:04:05 +0200 Message-ID: <20260706150404.382209-5-thorsten.blum@linux.dev> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1597; i=thorsten.blum@linux.dev; h=from:subject; bh=jaN5zpYZLFMe2vpwb1ZAOmwVYIY0XjcWc/CpoBvBlD8=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDFneh5+sO2mmss1f6IQ969ru8Ju2qSp3N309xMW2xqXm/ cFdXWG7O0pZGMS4GGTFFFkezPoxw7e0pnKTScROmDmsTCBDGLg4BWAidhsY/vtMEov9/erqsWTj EgnhtlmRqyobfT34Fq2crroque7mHE2Gf6afV+874qi8mnFF664r4Q4L/F888Zo4b4VG9LHQH/u k1vEDAA== X-Developer-Key: i=thorsten.blum@linux.dev; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260706_080429_079991_E965FAD6 X-CRM114-Status: GOOD ( 10.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fold all fast path conditions into a single boolean expression and drop any redundant checks. Signed-off-by: Thorsten Blum --- drivers/crypto/atmel-tdes.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-) diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index d380f6741a2c..d9cc4f657481 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -451,25 +451,19 @@ static int atmel_tdes_crypt_dma(struct atmel_tdes_dev *dd, static int atmel_tdes_crypt_start(struct atmel_tdes_dev *dd) { - int err, fast = 0, in, out; + bool fast; + int err; size_t count; dma_addr_t addr_in, addr_out; - if ((!dd->in_offset) && (!dd->out_offset)) { - /* check for alignment */ - in = IS_ALIGNED((u32)dd->in_sg->offset, sizeof(u32)) && - IS_ALIGNED(dd->in_sg->length, dd->ctx->block_size); - out = IS_ALIGNED((u32)dd->out_sg->offset, sizeof(u32)) && - IS_ALIGNED(dd->out_sg->length, dd->ctx->block_size); - fast = in && out; - - if (dd->in_sg->length != dd->out_sg->length) - fast = 0; - } - + fast = !dd->in_offset && !dd->out_offset && + dd->in_sg->length == dd->out_sg->length && + IS_ALIGNED(dd->in_sg->offset, sizeof(u32)) && + IS_ALIGNED(dd->out_sg->offset, sizeof(u32)) && + IS_ALIGNED(dd->in_sg->length, dd->ctx->block_size); - if (fast) { - count = min_t(size_t, dd->total, dd->in_sg->length); + if (fast) { + count = min(dd->total, dd->in_sg->length); err = dma_map_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE); if (!err) {