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 CFE69CCFA13 for ; Mon, 10 Nov 2025 10:38:48 +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:References:In-Reply-To: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:List-Owner; bh=t1sJNE2Nf8lh/Cklix1U3cAUGCJy//mQiYaVe3vP2kA=; b=2SiaqcspEiJmLtgOfI/1E0uvi/ jSO1fex+rqhlXRkZQ7AbvZUlalCEDCK4o3Vm4/3f/GID1y8GaxiYV3/NVVrDIb2gYiW8sKNlahk1h v23qN+rDPfJIzkZtnJvNa0owJvj9mGJrsDg5ZVxrEQ+u9VNmRdI+zNChZTASPsrfTJ2g/4JByKOzv QMa5uEhnb1+U89dbtOUpoLB8tKVikCQCjLxAVMzkXaCXcjW0kFJ2my+JHfe79l9kGBkFWME/gwipY noEx6Bc9HTyiH7CsCbPmssCbaxA6ZeiQ8ZbbsjDnB0waDipmhrQwH/XLw8fCyP0Ces+W/JuLiDQGk Nz1cIb8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIPIC-00000005ClV-1PCa; Mon, 10 Nov 2025 10:38:36 +0000 Received: from mgamail.intel.com ([192.198.163.17]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIPHu-00000005CU4-3aFz; Mon, 10 Nov 2025 10:38:25 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762771098; x=1794307098; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ombQ+TjdDEAj78/NTyf/ofAiLx+opvwgbqhYEgolUs4=; b=mPmaBPQS46snotA8wyTIYoHvkfE8CPdtlNLK+SaeevHIzcfF6++y/WN0 h+cd54WOmR6x/zXo74r/M37ZgLI1Xqub1IEqDsJBSR7FGzoc3tm4P8HUl PWgtuM9V7x3ViUA6/hhqPpNx6+9A3QVXTp4n2cWdpyqAX6Q6IhTzEjRZ/ XPPqL87mX08rSgxFH75i3GL5ioFjFcMOJ9GNlU7isz8nvnA6/4Qgt7j8D DI5wQi+gwoS52qSnQOIzVietB+WK9i4pZ7YEGvj0HiSgIQagalX+fTVDR sXS8tFYj/28bCLJgBoZp1f7swGGxpl/K0V+0nnDiXpwT1wqdBmpsspsld w==; X-CSE-ConnectionGUID: imT4uutPQYOyflW12ced8A== X-CSE-MsgGUID: LOTbf2dySEq33CHkbdCr1Q== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="64728171" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="64728171" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:18 -0800 X-CSE-ConnectionGUID: 8gMHequCQ6++saJZYLHcRg== X-CSE-MsgGUID: rtvwXY83S9uj4lNHRZygjA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="188284740" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa007.fm.intel.com with ESMTP; 10 Nov 2025 02:38:13 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 87BB79C; Mon, 10 Nov 2025 11:38:07 +0100 (CET) From: Andy Shevchenko To: Andy Shevchenko , Stefan Wahren , Vinod Koul , Thomas Andreatta , Caleb Sander Mateos , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Cc: Olivier Dautricourt , Stefan Roese , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Lars-Peter Clausen , Eugeniy Paltsev , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Lizhi Hou , Brian Xu , Raj Kumar Rampelli , Michal Simek , Andrew Morton Subject: [PATCH v2 07/13] dmaengine: lgm: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:34 +0100 Message-ID: <20251110103805.3562136-8-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251110103805.3562136-1-andriy.shevchenko@linux.intel.com> References: <20251110103805.3562136-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251110_023819_128120_3E62074C X-CRM114-Status: UNSURE ( 9.89 ) X-CRM114-Notice: Please train this message. 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 Instead of open coded variant let's use recently introduced helper. Signed-off-by: Andy Shevchenko --- drivers/dma/lgm/lgm-dma.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/dma/lgm/lgm-dma.c b/drivers/dma/lgm/lgm-dma.c index 8173c3f1075a..7d4d3dde6d88 100644 --- a/drivers/dma/lgm/lgm-dma.c +++ b/drivers/dma/lgm/lgm-dma.c @@ -1164,8 +1164,8 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, struct dw2_desc *hw_ds; struct dw2_desc_sw *ds; struct scatterlist *sg; - int num = sglen, i; dma_addr_t addr; + int num, i; if (!sgl) return NULL; @@ -1173,12 +1173,7 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, if (d->ver > DMA_VER22) return ldma_chan_desc_cfg(chan, sgl->dma_address, sglen); - for_each_sg(sgl, sg, sglen, i) { - avail = sg_dma_len(sg); - if (avail > DMA_MAX_SIZE) - num += DIV_ROUND_UP(avail, DMA_MAX_SIZE) - 1; - } - + num = sg_nents_for_dma(sgl, sg_len, DMA_MAX_SIZE); ds = dma_alloc_desc_resource(num, c); if (!ds) return NULL; -- 2.50.1