From nobody Sun Feb 8 19:55:01 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 8033D357A3B; Thu, 13 Nov 2025 15:16:22 +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=1763046984; cv=none; b=aCDVKQA7WyfWk9fYqqUMnEMTgSrtmUGt3CqxxjyWPqPqMHEpQ/V2dedd0YvnzpV7N/W6q60ajF7ZDBE0WfFIojfQM3A8Dx4+fh6eREOJcoUqNCPbXqYFkvXbjPI83edcIRoyUqOQAnUwwdmc4dplwJ84tB1CtNZrXJ/rIWduPXc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046984; c=relaxed/simple; bh=WtcwbhDFfrQdZOzgChF1SRUOy+m0/hJ81tJ/Ve8zpzc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EuMQjH7sUvL6YOh82BN2cjEZI7EkOeuEnINhDjwMx4gwZt9jkevwDvLiGVjF/tVZeJO+D6kw5q5obsYGd3ZBCfkzDcB2/2dsoYcsH3R39+zmvRr/LSptNYZoM4s6EqA6xeGxGKdIHG5uQdTOyA39Xx2/49gpYlhBMu4TG3An8+s= 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=RSuGoT/6; 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="RSuGoT/6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763046982; x=1794582982; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WtcwbhDFfrQdZOzgChF1SRUOy+m0/hJ81tJ/Ve8zpzc=; b=RSuGoT/69MSyVMrerEFy1y3ocyItIzi3BDf7TuYMC5Jwfa0FQcpcazAm hAXY7N2Lz1t9O2A2cT+nWH0QKlB3+U+/6exAFdfJHK5t+CXhuwWacJewI kgLhfM9EMYOTU7oqcZFiRNhHUY6cax3XVEWEHjnYEBHQ3k+5LYbKzvM/U CG/iV+VAOaUdRFt3SzN/mCASWMWROSedCQs/yV73V5B69XZqOijsXRFZf BK5rV2hohPW61eNv9JO+RxOVHLM3/uK2AcL5hoZN7EBcki0QYPhjTTjqA xClXJbfpnRTzbnUKZWNF9hLUcCw5ElTA9vTiYg5CuwzVN6aS+e1Cg1sIi Q==; X-CSE-ConnectionGUID: KEPWKJnSRaKj2d4EynkYRQ== X-CSE-MsgGUID: Denhb1GoRYCYWtiP+DBDZg== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75809719" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75809719" 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: HLpBtDzUSvGWaDkTYlJYkw== X-CSE-MsgGUID: 13s146MAS46konZFIvPn3g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="194684673" 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 E2822A1; 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 11/13] dmaengine: sa11x0: use sg_nents_for_dma() helper Date: Thu, 13 Nov 2025 16:13:07 +0100 Message-ID: <20251113151603.3031717-12-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/sa11x0-dma.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c index dc1a9a05252e..3dd33d3f7987 100644 --- a/drivers/dma/sa11x0-dma.c +++ b/drivers/dma/sa11x0-dma.c @@ -526,7 +526,7 @@ static struct dma_async_tx_descriptor *sa11x0_dma_prep_= slave_sg( struct sa11x0_dma_chan *c =3D to_sa11x0_dma_chan(chan); struct sa11x0_dma_desc *txd; struct scatterlist *sgent; - unsigned i, j =3D sglen; + unsigned int i, j; size_t size =3D 0; =20 /* SA11x0 channels can only operate in their native direction */ @@ -542,10 +542,7 @@ static struct dma_async_tx_descriptor *sa11x0_dma_prep= _slave_sg( =20 for_each_sg(sg, sgent, sglen, i) { dma_addr_t addr =3D sg_dma_address(sgent); - unsigned int len =3D sg_dma_len(sgent); =20 - if (len > DMA_MAX_SIZE) - j +=3D DIV_ROUND_UP(len, DMA_MAX_SIZE & ~DMA_ALIGN) - 1; if (addr & DMA_ALIGN) { dev_dbg(chan->device->dev, "vchan %p: bad buffer alignment: %pad\n", &c->vc, &addr); @@ -553,6 +550,7 @@ static struct dma_async_tx_descriptor *sa11x0_dma_prep_= slave_sg( } } =20 + j =3D sg_nents_for_dma(sgl, sg_len, DMA_MAX_SIZE & ~DMA_ALIGN); txd =3D kzalloc(struct_size(txd, sg, j), GFP_ATOMIC); if (!txd) { dev_dbg(chan->device->dev, "vchan %p: kzalloc failed\n", &c->vc); --=20 2.50.1