From mboxrd@z Thu Jan 1 00:00:00 1970 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 E71D930BB9D; Mon, 10 Nov 2025 10:38:18 +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=1762771100; cv=none; b=RYSeiFGvNHVrutDRMhOR8kLiVbOVJkrgm/zwDWAImFj0c/PLLQA/lG7RxFAY04a1yadkQt31wODn/7SE8bk/Hj1afHE6eqgzXRPDFbTdzaNtbQNJoOApar74TlUQ8PR3whEuMhBeU5nkk37OWhmyj0jVsiLFf4Rb50kprRaqHrM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771100; c=relaxed/simple; bh=ombQ+TjdDEAj78/NTyf/ofAiLx+opvwgbqhYEgolUs4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VV4W93fYX7NomCDy8HxBAko+8AT/I4y4IUDWKUX11DbhzxIWntzvhFIKTYKM7O2l9AprpHB8FpePdr3CgrGAGDw0bGlGxH4+tAAWuoNn3UgXbAUTbAOb0FAaw85q3TErlRtQNm3gI0HWWvtNEzYxJ24E3kI6ntP48TrAGxolEyo= 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=BoZAWtlj; 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="BoZAWtlj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762771099; x=1794307099; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ombQ+TjdDEAj78/NTyf/ofAiLx+opvwgbqhYEgolUs4=; b=BoZAWtlj1IFl+E3t6ca9K58SPUSDAZRC/tlVKOCIyKqi3U34UwGAqb9l foC4xoioPRVI4VmDFlxA9OEx6IgwhcS+LlVOS3lC/8n25Ad09Y37L/si1 195D5x3qiT0Flh+SMAJODh/YvppEr/XW/2BDqKjzkDehjMiHQPRCiSwWo cyfkiioHHO7/PdyLuLbl0MmkGn7V1Vr5Sb3G1cxn7s8pcMqYPReySXtCH lbU50GbSP9pQbhWfQ1DxRotV9f5HHIDT0LpRPZJIeduqwHI0HxasNmrak 6cV72VaMzmy1i2MKomdAojX8F/SRmcwDbZwVk8/autjqGQA+0wQ6rkqNC A==; X-CSE-ConnectionGUID: /sO+3skEQQGuiL0LxrrtRg== X-CSE-MsgGUID: c8eZIgTDS6e/N1CdLv2w5w== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="75504918" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="75504918" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:18 -0800 X-CSE-ConnectionGUID: 8gMHequCQ6++saJZYLHcRg== X-CSE-MsgGUID: rtvwXY83S9uj4lNHRZygjA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="188284740" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa007.fm.intel.com with ESMTP; 10 Nov 2025 02:38:13 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 87BB79C; Mon, 10 Nov 2025 11:38:07 +0100 (CET) From: Andy Shevchenko To: 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 , 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 v2 07/13] dmaengine: lgm: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:34 +0100 Message-ID: <20251110103805.3562136-8-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251110103805.3562136-1-andriy.shevchenko@linux.intel.com> References: <20251110103805.3562136-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Instead of open coded variant let's use recently introduced helper. 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 scatterlist *sgl, struct dw2_desc *hw_ds; struct dw2_desc_sw *ds; struct scatterlist *sg; - int num = sglen, i; dma_addr_t addr; + int num, i; if (!sgl) return NULL; @@ -1173,12 +1173,7 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, if (d->ver > DMA_VER22) return ldma_chan_desc_cfg(chan, sgl->dma_address, sglen); - for_each_sg(sgl, sg, sglen, i) { - avail = sg_dma_len(sg); - if (avail > DMA_MAX_SIZE) - num += DIV_ROUND_UP(avail, DMA_MAX_SIZE) - 1; - } - + num = sg_nents_for_dma(sgl, sg_len, DMA_MAX_SIZE); ds = dma_alloc_desc_resource(num, c); if (!ds) return NULL; -- 2.50.1