From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5566130CD8E; Mon, 10 Nov 2025 10:38:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771103; cv=none; b=OgtKSCdAUfa8CO6zf2nnMYuHWKB1nY/56IUcy9cGJcd6FyQL7SZZG/9ye+7Hq7SFT6NQKyUb2LfDloYCY77i/LPZ4HGzvGiyTSX1RNtQITL+2naMj7mBSrUp9noPjjbatttKdzh7lrkcDD2L85Dz4oC181ZVT8oMkzCxW3bZ36o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771103; c=relaxed/simple; bh=OwNTWbPKJ24ffgAUyc6H9GN1ggjkmnfUcXfxAtMuqrQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JSpCI5pl6bJrp/5eTwdgGpH4YPS4IISDO+fXCxTptmtOlf/F5MySCUKXfryByibLtaZ92XMYiKyPKKnqb8NqtxSGNAwlbY8EcI0eE0WKwwJJes2oP1YECwHXqvLnJggGzPcZz9B0104JYFOjSUVjDCYl5qswq6YfU1TnNMX7x+E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=PRuOqkeJ; arc=none smtp.client-ip=192.198.163.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="PRuOqkeJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762771101; x=1794307101; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OwNTWbPKJ24ffgAUyc6H9GN1ggjkmnfUcXfxAtMuqrQ=; b=PRuOqkeJCnzu7qoC947kuqUW9owXbACxD4Lj/+CnQiWJu+kYncRt4sX3 ZXI9zGXjdj67go9rDE39LPyXsuhFtkKUg/LlvCXzWHYHQe3z/x0aTmFtd tRvqWNvVLK1N4aTXWlYGo/pLx2M/IE+MFrmgMuUQWv3UsidrtIt274Siz O6JZWFLHFNu9rgoudrovoheKvDRph+no8ojTw6wiRBknZYkm+WGanP9Yh Fq3gJF9wuKqBPOmyM5nHulfrvS8mQJ3RQDO4Z4jU28ai31OXBPesun6KF sBSZXludLt7QiUnq7p7y1r69Ryp5eSi0qsVmNmseVZntwd16br/pCLf30 A==; X-CSE-ConnectionGUID: IJDHwz1MSS29obbuagUhXg== X-CSE-MsgGUID: 3K35ZdWhTTKtA7WyHQJ8og== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="52376884" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="52376884" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:19 -0800 X-CSE-ConnectionGUID: 6E3zoBtVSpW1NjrvUZ8dwA== X-CSE-MsgGUID: zGNu059tSv69g9qQPFKq0g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="188891267" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa008.fm.intel.com with ESMTP; 10 Nov 2025 02:38:14 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id A5264A2; 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 13/13] dmaengine: xilinx: xdma: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:40 +0100 Message-ID: <20251110103805.3562136-14-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> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Instead of open coded variant let's use recently introduced helper. 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