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 10824D185D5 for ; Thu, 8 Jan 2026 10:57:10 +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=tqsAGmvrT+RP/IY99VEMwYi0/a49IR5aMlu9+7wZVXg=; b=lhHafvDAHsaaNtxgln5mO+wBgs M94NOBcyUV5SXK5d3abiUNbipEfw+ryQKxVoHfLpA/6/r/Z0GmATNiavFKkJNldAXzf6yQcEyH38N P1jCnO2giwgo8xvVF8bo5XoFJ9NzGxazT9+cmeVRhZOBr7vAp5i33pCa9RvbhY8W39KoTI5ozgHE2 dzsVrc+TK2fpA6X69gJR+/M2zuw88qXZDqURkwcdnCfi1LZVCyJNLjQz9YypjAMzv/SBEcvs+E+Qg kpaBgsC6hPH/cll4jluXfapdkqOAN8fT56M6EYYfInwDkHbnWKdfTIZLoAXdm8zx/39HCwE1q7cOE 7PGjOtug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdnhO-0000000GktA-0CjG; Thu, 08 Jan 2026 10:57:02 +0000 Received: from mgamail.intel.com ([192.198.163.11]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdngz-0000000GkLc-07fH; Thu, 08 Jan 2026 10:56:38 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767869797; x=1799405797; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Z4cy+2HbiLCLWtcSsLcUwBV59DreBfM5HrektthG6GQ=; b=TLc9HJLdpjFv4O7VXIPJkUeOdekHQVVOSPOCXVnHhh7Iu0rzMxdtaZeq KcCXrWst3A+2yokPt+rKjoF42JBpmymHLJH6rnDnn9Pt/WkBZgtlROyL4 Yw3qyYUGPs/yraybx8AcQgyA26bUbkLS4SFVhBDBGeJ3JHIB/Gj+8aF6f MHzenFB8Ysb0OlLe+sdapUcjyTREbbXj47A9Zeq1xmik+FSOGUr4QucdM ig0mLw3vaX0dBnhjSgqK2fRPjLQaOUgLkJ//K/91RyIMx7G33qEW1EYPg VvY4icsaW8DvrH1iBbiGYC9iiPJPDhBAXEGUqnGPkbKtiHgHLNcjW2e0b g==; X-CSE-ConnectionGUID: 1HcfwhBTQJKCXCSc68hSQw== X-CSE-MsgGUID: PfU0b9CiQLGocBJBpZwZQg== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="79886211" X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="79886211" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 02:56:33 -0800 X-CSE-ConnectionGUID: 8fRwqfVTRe2a9DqevNcPnQ== X-CSE-MsgGUID: eE/+G/dISeaAahWWkG5tmw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="203091231" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa006.fm.intel.com with ESMTP; 08 Jan 2026 02:56:27 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 5E7A7A4; Thu, 08 Jan 2026 11:56:20 +0100 (CET) From: Andy Shevchenko To: Bjorn Andersson , Andy Shevchenko , =?UTF-8?q?Nuno=20S=C3=A1?= , Vinod Koul , Bartosz Golaszewski , 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 v5 07/13] dmaengine: lgm: use sg_nents_for_dma() helper Date: Thu, 8 Jan 2026 11:50:18 +0100 Message-ID: <20260108105619.3513561-8-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260108105619.3513561-1-andriy.shevchenko@linux.intel.com> References: <20260108105619.3513561-1-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-20260108_025637_121345_82FE5DA3 X-CRM114-Status: UNSURE ( 9.24 ) 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..a7b9cf30f6ad 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, sglen, DMA_MAX_SIZE); ds = dma_alloc_desc_resource(num, c); if (!ds) return NULL; -- 2.50.1