From nobody Sun Feb 8 05:07:31 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 C6F7A4A5B05; Thu, 8 Jan 2026 10:57:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767869834; cv=none; b=mGFxiiK3GYEyWFq/qWvR1DtDWl1gGdwjVcNNfSUoE6F7AI0h581hN1+w+hFt3FG6C6VX0sZ0rm6e5OvYW5ZoVDu1H3aPLCk3GgG1cnnz4u0+EdqPJior6R0J7IpYJ7qdQo13fW5vGWfm4dQKWCGj4BFJfDq6aCRwbpAaSrDaZiM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767869834; c=relaxed/simple; bh=G7V9+SrifDGfqxju25Hp/oyxgo/fWf9zfXipYvZQzAU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZaACYiLaOBl5tyhym/cpq/ThJ16enVn+P/2yz+WSL1Jo1x198CPiwmO23WZcqxxLakpEhhmnlX5nrjjkS4/dRPJG6U7+hD4ExcnFCFsEwcbT59vjN6IAR5S4bRzMJQm0ItYs6uZ7JQnb9oMPWMujJ2BpH6RZ929bFWUY/DHZYio= 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=i1yjYBa9; arc=none smtp.client-ip=198.175.65.13 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="i1yjYBa9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767869827; x=1799405827; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=G7V9+SrifDGfqxju25Hp/oyxgo/fWf9zfXipYvZQzAU=; b=i1yjYBa94evPxppuNw3AMwYsJSs21/w6x5wgrlj4yJcCqMYFWfV6Ru0G GebTnXN4UAZm/IUjZB53QlgEYa4jB7soZChsp8VR54VMnXl/C+sMG3/Nk PISez3Y0igxj57RkSKBYqJmZafRjDmuz5s+z31d2WazqdHhjZNDDl9MNc 0Zr+G0YC7MYsp0MArpQAS8ygQ3Qz8Fqz/z7hTwZWqQa3RF4lOB6kIwR/S Xz3Hl1+xqmFW1mef+GmaiZxWw3Y7tl6j7bYyCaWsQzfcqAoX3bwJib9S0 sObJKaSSBWdhaq0o3O1Q0+LU6mp6jl+Bz4YrRUQ3EzKVLApKeN4MpGYXI A==; X-CSE-ConnectionGUID: AGkF6BpMTE+rB5eVSE9CnQ== X-CSE-MsgGUID: BrXhyIT/QdKStyX99MGoWg== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="80354632" X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="80354632" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 02:56:33 -0800 X-CSE-ConnectionGUID: Zwvn7u6hTo6+k7bjfHNITw== X-CSE-MsgGUID: 0Pl65cuJQkCkM+DOgQ/NWw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="203615549" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa009.fm.intel.com with ESMTP; 08 Jan 2026 02:56:27 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 71CF7A8; Thu, 08 Jan 2026 11:56:20 +0100 (CET) From: Andy Shevchenko To: Bjorn Andersson , Andy Shevchenko , =?UTF-8?q?Nuno=20S=C3=A1?= , Vinod Koul , Bartosz Golaszewski , 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 v5 11/13] dmaengine: sa11x0: use sg_nents_for_dma() helper Date: Thu, 8 Jan 2026 11:50:22 +0100 Message-ID: <20260108105619.3513561-12-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260108105619.3513561-1-andriy.shevchenko@linux.intel.com> References: <20260108105619.3513561-1-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..86f1d7461f56 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(sg, sglen, 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