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 9DA7DCD6E78 for ; Thu, 13 Nov 2025 15:17:02 +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=cwi5dnF3dpek4jXJULnJfgIW6KK1KnHzUaqp6GzvFq4=; b=z+QztmtgUa+wCJeMwSObwtDEny ms7/Wt8g2ll3MgUHbug2lKmNILlplfZ1ZBqSCf79NoegvEKHRp6y7nuwZgUO8uhya01Y+hYgQs9pe U8mvTwYl4HM0QDgzfhMpGecZiRAiW7/fva7eFPhxNP44J9ZY0uQ/qxMHNF7k90C4u/W4sYy7qOC7J Vpl/xiip2zCyQct28P6CnuWIVqOWYZnXRDssfz/eGv3v+MhOe3y6EDfV5wLuSnxMUtdpeOkUzJV8W uUbdjJAOo7rc+tFWwNDJRFg5UYuaQKjhsEee6CbmZB27CodPd+El3nj5h4vGgleEmGtaCG5oEkBZQ tBYMJDIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJZ4C-0000000AhOp-1sTo; Thu, 13 Nov 2025 15:16:56 +0000 Received: from mgamail.intel.com ([192.198.163.9]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJZ3f-0000000AgrT-01Gv; Thu, 13 Nov 2025 15:16:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763046983; x=1794582983; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rUyODX56g/0PVw4q9uoPm3QtJgx5W1kE7M9udwy7iHM=; b=S8susTRh5Kjl/3F+sqz1PD8aubanPiUgpq78Bjkx7LQQBNvXHLMdczC/ 6nMSAhqdcJLP2zr8/HF2cw1skLgLUZY5lf61tLnGHfmdNiiv82JBWpevV dX+glLE9tCbKeI5ZHg/1XzYIpMF5mCbITyVBJ7cKEiuyPZYO4qYatTF5F vI1lAQk93fDH7RRVSFIGcIpmV7KkW5L86vCHbhIAdTjTp4Faybcwq08Zy JS6R0/UJl2NdyhdCqoOjrlzLQ+PRhrRCU/ZROh2CYXgSvWzQPOeGvAw6d /jN+u/wjXWXAeN80OVEtxA+jK617cTDumrANItefsWd1Oz7wpYYx8vaZA A==; X-CSE-ConnectionGUID: OUnaItVLRri/Habs5Vq0Qg== X-CSE-MsgGUID: x58G6QxuTJqKPNfjblAbyA== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75809738" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75809738" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2025 07:16:18 -0800 X-CSE-ConnectionGUID: iGFORkBsT1q09zPLIJz6sA== X-CSE-MsgGUID: NxFEkON2TuaiO/tQvDyscw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="194684676" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa005.jf.intel.com with ESMTP; 13 Nov 2025 07:16:12 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id EC114A3; Thu, 13 Nov 2025 16:16:04 +0100 (CET) From: Andy Shevchenko To: Andy Shevchenko , Bjorn Andersson , 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 v3 13/13] dmaengine: xilinx: xdma: use sg_nents_for_dma() helper Date: Thu, 13 Nov 2025 16:13:09 +0100 Message-ID: <20251113151603.3031717-14-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251113151603.3031717-1-andriy.shevchenko@linux.intel.com> References: <20251113151603.3031717-1-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-20251113_071623_070338_EDC39E1E X-CRM114-Status: UNSURE ( 9.13 ) 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. Reviewed-by: Bjorn Andersson Signed-off-by: Andy Shevchenko --- drivers/dma/xilinx/xdma.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index 5ecf8223c112..118199a04902 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -605,13 +605,11 @@ xdma_prep_device_sg(struct dma_chan *chan, struct scatterlist *sgl, struct xdma_chan *xdma_chan = to_xdma_chan(chan); struct dma_async_tx_descriptor *tx_desc; struct xdma_desc *sw_desc; - u32 desc_num = 0, i; u64 addr, dev_addr, *src, *dst; + u32 desc_num, i; struct scatterlist *sg; - for_each_sg(sgl, sg, sg_len, i) - desc_num += DIV_ROUND_UP(sg_dma_len(sg), XDMA_DESC_BLEN_MAX); - + desc_num = sg_nents_for_dma(sgl, sg_len, XDMA_DESC_BLEN_MAX); sw_desc = xdma_alloc_desc(xdma_chan, desc_num, false); if (!sw_desc) return NULL; -- 2.50.1