From nobody Tue Feb 10 19:16:26 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 ED70B2EB876; Thu, 13 Nov 2025 15:16:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046974; cv=none; b=FgZvlg2nrNWWZ9ODsqjrPk6wVaj1n9/0uoBdtyPtRxlKi+ezBDTpz2zY4zT1OJRNacyXr8Ys1r+jhW4syEWMrRdkUaPt3J8m5AgS8TkL+6ugguJ0W6L3Mcjz0Z5QJXgkZ7vCJK0KpQ3U344YChvW63f9cNk2T2ZzX0VrXe5lLmQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046974; c=relaxed/simple; bh=trxP5p0DPdBeRi5vhwLDZx5PvWwqNzPStkGF5be32MQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=R6k9mcNbxOFlSy0ZZEm4XvNE+zdBSUSjsRX2+kWCIvnfLwEKeD5IyjYkMatA1PbZG2Pxv70BRcfz5O1ZPSmiU2LPSRjLGr1AFCabwzKJZetPPz//Bsq6d7YeBQlB9KCIESzeINdtmJuTKgqq98A61fEigAyf5lsx5bcV8GYKykw= 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=j5gNGNzt; arc=none smtp.client-ip=192.198.163.11 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="j5gNGNzt" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763046973; x=1794582973; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=trxP5p0DPdBeRi5vhwLDZx5PvWwqNzPStkGF5be32MQ=; b=j5gNGNzt0epPivKGs4hkmtXiGphzaBi6ciVmCiEke9HzW2hP+vsjK9D3 KvOFkJdsCSE2eKxdifWX09yCHx15KABegmUNxj7d9Hfc0Ge7uTtdzrCYX UHEoCQgBkujeOdpOoq+kKOH70IeI2R3ZTeWkHbAI+ECx5zmP3FH5nk7rN uC78hpbcQIpSp4buLygqdjVv0eOgi19Gv1EJtHCTxgwu9oGHPYopDgw92 FPcbXnOZZRY01JR+XpIR0X+0of6zKrl7ZXrPdrH2Em2fiPnwiWJmVeU/d rHO4XGPgyNR8Iv18q8zi3hp032EmFBYr/4vpqmrjdmUjNhW/lAT7StLzl A==; X-CSE-ConnectionGUID: GllNvyjPRsGGFAuENOIgGw== X-CSE-MsgGUID: Qht5bAWhQjyK/qw5KKTZhA== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75740482" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75740482" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2025 07:16:11 -0800 X-CSE-ConnectionGUID: w0cr6k1/QO+srTa8OYa/HA== X-CSE-MsgGUID: /sAcqCjpSReCodHWqF8EqA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="189792116" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa008.fm.intel.com with ESMTP; 13 Nov 2025 07:16:05 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id B755298; 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 02/13] dmaengine: altera-msgdma: use sg_nents_for_dma() helper Date: Thu, 13 Nov 2025 16:12:58 +0100 Message-ID: <20251113151603.3031717-3-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/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