From nobody Sun Feb 8 19:54:59 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 1BD5C358D15; Thu, 13 Nov 2025 15:16:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046985; cv=none; b=NiLgUDoroR89oUean9OvgKxdZ2/RzbziFMOQyRTGN3Y63A0C3IK83lbgI+iJxQEFhQn86zdhp7sdrHxvTXhmSZ+tkBMgzyzDxJ6D1eZ6KroWyFsZ1wHLP7v5l7crhNTt7KXkAFmz43ZQoVScAqXq1DbFKwpIlP+Vip/wQtWi0Es= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046985; c=relaxed/simple; bh=rUyODX56g/0PVw4q9uoPm3QtJgx5W1kE7M9udwy7iHM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gxxFAzhtdlXalVXOYSAQjFzlfFNblLwjmLT4LikRkkBJcFs5k37KOtuW4ePh4EmieZRDLN/Q3N0RQepUxIg0OIiO9oyHrZZYGpGPRAqkbiNnHcNtrzbyOowgna2wGhMs3YpRI3KEKpfqQSxTEorKgUHITvVVB7SuWQBPcNr/ZcM= 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=R0YA45pp; arc=none smtp.client-ip=192.198.163.9 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="R0YA45pp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763046984; x=1794582984; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rUyODX56g/0PVw4q9uoPm3QtJgx5W1kE7M9udwy7iHM=; b=R0YA45ppWbWb/QLn9JpPQsfYwrMIGLFR8E2rvngTcZPNkFhmkVGC/mC2 7wDg86y3ByWXjJFEI2x31Zug7QNxk42dHCOCFLXCKICMUVPqUoMA+qd6C aiJxFfDbv9dOGlGismc/HoMTTiMJo1qmspvbO7wJ4knu5WGz3HtL9j4Ay pd46hGZxaDko8DC0tT4zkwflpkxsiTXC5Lz2dWgVR2iiltlUZNlINQTRI llJy3eY7SV/G80oqLmIJYLrDmlNzIMuRthnpMDGaafo3Ii7chAl61w10i G1WPAw83RelBOcwt0+zqn880HaN/a0de3mpp0yQEDRdLnXE1TGuXu0a6z A==; X-CSE-ConnectionGUID: rLEs0fb1ShycYaAn1k7FqA== X-CSE-MsgGUID: 6MZX1JISQtSMQd/8q/gNnA== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75809739" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75809739" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 sca= tterlist *sgl, struct xdma_chan *xdma_chan =3D to_xdma_chan(chan); struct dma_async_tx_descriptor *tx_desc; struct xdma_desc *sw_desc; - u32 desc_num =3D 0, i; u64 addr, dev_addr, *src, *dst; + u32 desc_num, i; struct scatterlist *sg; =20 - for_each_sg(sgl, sg, sg_len, i) - desc_num +=3D DIV_ROUND_UP(sg_dma_len(sg), XDMA_DESC_BLEN_MAX); - + desc_num =3D sg_nents_for_dma(sgl, sg_len, XDMA_DESC_BLEN_MAX); sw_desc =3D xdma_alloc_desc(xdma_chan, desc_num, false); if (!sw_desc) return NULL; --=20 2.50.1