From nobody Tue Dec 2 00:46:20 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 5C764274B44; Mon, 24 Nov 2025 12:12:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763986347; cv=none; b=UaCUu0Mr/6rlyvgCD/bZdbZCMopjraabV7UI8clx8+ktl3DPms9Hxrxp5lrfd0VHaqwaB+OLOfuDe+zWfeya+RjWaK8v/o4NDyOTjhvC0K08IZgJknNLDZJvxCg3TNKpop7N78ZN61H+ypFfiusXSmb/yyEf5k0ArDSySlR2/4Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763986347; c=relaxed/simple; bh=rUyODX56g/0PVw4q9uoPm3QtJgx5W1kE7M9udwy7iHM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=b3J/dxBjXKudqj2F0BJQ5r/ScQv13Muje/ZSE2ZsmtspaWEPOxCZxkXWzFWhC2QQqLzWWDi+cNp5ya8PlqXBLLxd8tBiuSOd2ERRXlnabZhVgXJBXnb4tfqSb2iAVne/wR7pks57QernPYLaJ0F7h763pl7PvO1KP6EqAUMlWiQ= 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=galhEHDn; arc=none smtp.client-ip=192.198.163.7 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="galhEHDn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986344; x=1795522344; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rUyODX56g/0PVw4q9uoPm3QtJgx5W1kE7M9udwy7iHM=; b=galhEHDnjfXG40zzvZRcs2D3MScSiPhCEpdqa7syjorB4CpGkCOKFaBC YTWaAYCga/iQ3PvXR9gPWO+oYKyJ8GQg6Xc2UInY4xyHUJsfPgMIlFWML poNeQcPm2w0kTqtYf0WRbZef1v4heo9ZeYtvNhMS1uW7RMC6HRAv8f3v2 RxmSK3AdmmmdmPFHlBRP4oQ5XhAn3MzVejiUIujIOEuA+AhSOECOQo7Ig RecUsTifwUFS205AemPXR73z8xu9ZraWfyGhaU4ZSEQE3UyuERZSzv1LB I1lujMMxODieoxL/XRIBPV1iMHZJcHtCzitM4F33WWCKB+MduY8o2fSmy g==; X-CSE-ConnectionGUID: /YQ7W60fSlKwg1Hw5rBduA== X-CSE-MsgGUID: dk5SjVEQSQa+L4/aQKlWWg== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="91468005" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="91468005" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 04:12:15 -0800 X-CSE-ConnectionGUID: nnXj4wckTvi9keb5yZ3x/g== X-CSE-MsgGUID: 7CI4VqycQDKBM7yw1yp7Tw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="192559576" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa008.fm.intel.com with ESMTP; 24 Nov 2025 04:12:10 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 823E6AD; Mon, 24 Nov 2025 13:12:03 +0100 (CET) From: Andy Shevchenko To: Bjorn Andersson , 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 , Ray Jui , Scott Branden , Broadcom internal kernel review list , Lars-Peter Clausen , Eugeniy Paltsev , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Lizhi Hou , Brian Xu , Raj Kumar Rampelli , Michal Simek , Andrew Morton Subject: [PATCH v4 13/13] dmaengine: xilinx: xdma: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:31 +0100 Message-ID: <20251124121202.424072-14-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251124121202.424072-1-andriy.shevchenko@linux.intel.com> References: <20251124121202.424072-1-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