From nobody Sun Feb 8 21:33:46 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 23CDB357725; 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=dyPg0xu5/9CvmUqoS7TCi5kVNNPXix77OXzT9G44eroawLYkY5JFXFG+xSDFywNdnljzpdyw7fUlUYnps+agCR0C1P7QnI3t5LAYoW70sWcEc06k2lfGI/iMkjeafY02G1LCxhx9NlI0/5A4BSnaovUeo5e2x3eSQysRccwc2f8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046984; c=relaxed/simple; bh=cDKmRefM+evq3je2XEyX6jEIHeqcRBXhtx3BtPimOeg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XFTrAPr7BVy32ZTUvtflcBasbilCSG3eFbvpdLpqUPNyJIPhqxhZ0tBTDahZxK2mzqaov2hGLN6UWx1tXSbo+f6NpticECEprSEqiyfJxXH36rSX47ClRyH+DjEKy0zQnTw0NttGRbcNEk6ZVH5kLJFDbdJKAz2y0MEurUMfK2Q= 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=QcStGCO7; 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="QcStGCO7" 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=cDKmRefM+evq3je2XEyX6jEIHeqcRBXhtx3BtPimOeg=; b=QcStGCO7iLh073A8dSj2gWFKRuEjABtP3YnN3i2hRP3lhFiQX3FwLmr5 KKYjJt+2ZJ3XQsii0ehGOvqQgEEzScec639Ai/50L43+jzJ2IeY4EHTie MiRQtjj552y6MGzDh/BD90gSGhP9BOWZvvsQZqApu+VAanzn/l6eozVG/ xTUvefzqn0E3gJD5gdkqWQWYZ7SuU/f0mPnsQkPwUUkDtO4oTF6h8Ykh9 hXdYGWDbm7o8Eg6Fwn/IuLTf+79oe1a4RH6vnHR/pybPL9myGxfdZB0HF wu4NZFvnAAu+anImqCBwy86Uw2Wy5tRwHjkjwHXqhmG1hkfWdfAVvwCxK w==; X-CSE-ConnectionGUID: uPws8MPsRo6+fNSucEU8eg== X-CSE-MsgGUID: RSjxFqJzQLuc7jkfkagPQw== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75809694" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75809694" 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 07:16:17 -0800 X-CSE-ConnectionGUID: dN/3GVTBSias59zhoV0RsQ== X-CSE-MsgGUID: qIWJEscpSZeQJvpy44sGxw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="194684670" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa005.jf.intel.com with ESMTP; 13 Nov 2025 07:16:11 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id CF7FA9D; 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 07/13] dmaengine: lgm: use sg_nents_for_dma() helper Date: Thu, 13 Nov 2025 16:13:03 +0100 Message-ID: <20251113151603.3031717-8-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/lgm/lgm-dma.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/dma/lgm/lgm-dma.c b/drivers/dma/lgm/lgm-dma.c index 8173c3f1075a..7d4d3dde6d88 100644 --- a/drivers/dma/lgm/lgm-dma.c +++ b/drivers/dma/lgm/lgm-dma.c @@ -1164,8 +1164,8 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct scat= terlist *sgl, struct dw2_desc *hw_ds; struct dw2_desc_sw *ds; struct scatterlist *sg; - int num =3D sglen, i; dma_addr_t addr; + int num, i; =20 if (!sgl) return NULL; @@ -1173,12 +1173,7 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct sca= tterlist *sgl, if (d->ver > DMA_VER22) return ldma_chan_desc_cfg(chan, sgl->dma_address, sglen); =20 - for_each_sg(sgl, sg, sglen, i) { - avail =3D sg_dma_len(sg); - if (avail > DMA_MAX_SIZE) - num +=3D DIV_ROUND_UP(avail, DMA_MAX_SIZE) - 1; - } - + num =3D sg_nents_for_dma(sgl, sg_len, DMA_MAX_SIZE); ds =3D dma_alloc_desc_resource(num, c); if (!ds) return NULL; --=20 2.50.1