From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CB8DDCD6E78 for ; Thu, 13 Nov 2025 15:16:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0auEVivLqYbd1YWqPVdEvLU7Ca4DRZ/z1qDVG+WGI7E=; b=UZ0fyQhl7UD/WpTjwjcAZWMW0L mknSdTVNC/VoJwggvUFkDioZGsfp0OH1LOo9CdfkJOnQNfwroReoEDXvknhz4TV7SIuzpnXi7wL9i ILl3bToqbTNDEr7avidFhzW6yW6Pz21P6HBwb1GjqaSoyJi8ymYzO1qFwNBz8nMcdo7azGrIfbzxS 1BROGz4uQ2KOPYiiZhriJGkAaiUWC8+A1ygqW13euN3ftJydyE1M8EV25pvRC2CvHDazY4k6jdArP q24cEtAS4N+L4m48TaHa6CKzYwCW3k4Jju5HpxTpStOtgom2ad/aiOkSoCQhOyHQV4LjMCP8+2Nkd oYo8eigg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJZ40-0000000AhCJ-3NW6; Thu, 13 Nov 2025 15:16:44 +0000 Received: from mgamail.intel.com ([192.198.163.9]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJZ3d-0000000AgrT-2wn1; Thu, 13 Nov 2025 15:16:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763046981; x=1794582981; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cDKmRefM+evq3je2XEyX6jEIHeqcRBXhtx3BtPimOeg=; b=XojVhAxmp22qsN/MvIP528ZEUrOfnvEyn6TnkkPZXoGJ3RqHkbQ73pFW nhlp/hodo6wCB1yf/bf6ZZkSZ3eCqQljiEQ3UedTmXAY9IKyM3edetQbe 9rW2aBLTc6VLYfF2SQLz9KAS7q4ORi80pHKg03LqzjXA++QiUrA6gkQ0g 0sKY5abx1jQfFk5hT7gMDeykINEjCraz/UGYALsoEtdTsmEpbFXVnhoC2 7s0s7xaat6Pve9FzMHvcV5fVIc98uksBj2oBAwPouRf1zx46DQlpYopLk UeGbNLgVY4g1CePbYzT1F/au0WXMqjsdy6OlHeC8rjh+bE9JFK4xkwfk2 g==; X-CSE-ConnectionGUID: M7d/JfLBSxKVFrAKzJwz2A== X-CSE-MsgGUID: U67A1dBYSBG6ISukXozcLA== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75809695" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75809695" 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251113_071621_774679_377E8892 X-CRM114-Status: UNSURE ( 9.35 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 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