From nobody Tue Dec 2 00:45:57 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 7E5052FFDE4; Mon, 24 Nov 2025 12:12:15 +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=1763986339; cv=none; b=Lq+1/Si2BIa16iuU0hJlNDfl8ieXgw8vsUfs6KUh+fueK798E9NpxbtKqwaAHn+9FSt0Lm1hyDIdvMenC8V4CT0Lm0fZV8y75viWC/zF9YqFZFgAlI+6r1ApyKxgQYXVLImKiuG7PcqC+/MbIvsva+Tc2eXn6gmGAJ77Eg6rcnI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763986339; c=relaxed/simple; bh=trxP5p0DPdBeRi5vhwLDZx5PvWwqNzPStkGF5be32MQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=q7f22JnmmgppaAfszxScAHNmx3V8xNdqzJnk+HbhjVoaQwtWbSuyBvla7xjpyQy78h3zw4r3K553HaDe+4TU73FsEsei64Nxvg2AZTekiMrTKx+7nKIA/gQrvAVeiI6MTqSz6OCdYNaBlIJ6I7htJ6bG2ryuEErGnJ3mhrqOD/o= 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=ezzUEZRF; 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="ezzUEZRF" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986336; x=1795522336; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=trxP5p0DPdBeRi5vhwLDZx5PvWwqNzPStkGF5be32MQ=; b=ezzUEZRFRHaaq9BHbLBBgpzraAvF9dt2GM0gCgmn4Ixsr7lvocWqstKM OV2d2g+f7imzExV9Jqzcu04YDvvjQHvWrYfEggfU9VFSc8QiaRFf1q3Zq nMVGavM8HKS19C34e0vZRR1gDgiODuQAn+ivL7NDWGzlgtnU6yCWxY/Ex w1ILXrq+5XxYpZh+PE37XYtCeTyq6YG3bI+3jGAGXjO0E5eIvjbN489Yz isEQktppA3kF61q1GCmhnehtJ3q0J+DNmrRomZdpQQ7+fqlVmI9v1EvmB UxpYJNbBWZ9VJlRQ3sQR+i4y042+9BAdaRkL/F0EC4lkWXVTNA2DI/Ohh A==; X-CSE-ConnectionGUID: yXohF6B2TTexW3cksiZIgw== X-CSE-MsgGUID: +3uMCVgoSWGXV5z/alzzCg== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="91467930" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="91467930" 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 04:12:09 -0800 X-CSE-ConnectionGUID: 3opyCmUeRgyXZLeN0a8A3A== X-CSE-MsgGUID: ZpvOF1xUTt2GcGUO71jbBg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="192559539" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa008.fm.intel.com with ESMTP; 24 Nov 2025 04:12:04 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 4E189A2; 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 02/13] dmaengine: altera-msgdma: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:20 +0100 Message-ID: <20251124121202.424072-3-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/altera-msgdma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c index a203fdd84950..48d2a0e638bb 100644 --- a/drivers/dma/altera-msgdma.c +++ b/drivers/dma/altera-msgdma.c @@ -396,13 +396,12 @@ msgdma_prep_slave_sg(struct dma_chan *dchan, struct s= catterlist *sgl, void *desc =3D NULL; size_t len, avail; dma_addr_t dma_dst, dma_src; - u32 desc_cnt =3D 0, i; struct scatterlist *sg; + u32 desc_cnt; u32 stride; unsigned long irqflags; =20 - for_each_sg(sgl, sg, sg_len, i) - desc_cnt +=3D DIV_ROUND_UP(sg_dma_len(sg), MSGDMA_MAX_TRANS_LEN); + desc_cnt =3D sg_nents_for_dma(sgl, sg_len, MSGDMA_MAX_TRANS_LEN); =20 spin_lock_irqsave(&mdev->lock, irqflags); if (desc_cnt > mdev->desc_free_cnt) { --=20 2.50.1