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 69ECBCFD313 for ; Mon, 24 Nov 2025 12:12:46 +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=GBrcLNK2f4oHT4S63vlKaLvf/r/Hu0nN/iP/LTtqCcg=; b=LLERpJw91ZrpSIcoz6CGTB0QUH hkRmDamE/hKESz/IAxKlzs9ktCdT4EM+weTdMjiOjQvEERaqaWyaQW8/Dg28SAmMfk4FqEnWvLmE/ tciob5HDWDepOKcJI/OI3rGG9lhFGWL4U5aq82vdUTu719gs5XwwEdVqbwQnmoc6WzTslWUA1Wgzt E/CLA8dEF/jtJSjESjtWM7zb9MQYp7BpDcA4bQPmTVyh5T1hqPQvxbV2ct47bStfK8TV5U1Z1c6HL ehPQlWRP3a4Sxk3o+8hclh7MI89025XVH7uoOTbWAh3VTVNMSlNE+gY71WPCTkIDn+03F1zspIsBW odCWUKIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVQv-0000000BciX-2Pq8; Mon, 24 Nov 2025 12:12:41 +0000 Received: from mgamail.intel.com ([192.198.163.12]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVQW-0000000BcPH-2Ufk; Mon, 24 Nov 2025 12:12:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986336; x=1795522336; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AVsEaLmI7GtsoKPxvWrWR94lD6aGbAJMgKiJV4Biyag=; b=gv7Alp2MwwY/YENQnxlAqwX4Jb66BADPHpn9PlFx01QK6QAObrLeVYMt +Tzqsb5oj3B9pzqbcgL2ntI0ElSXS66Mx5lPTb6V1MF+57aNd3a+vg9Yt nRHIQuIa13OvptDTfQ2CdcgHzFPc3u51438QYpCimDGy0UsqFv2CYv9Y6 PT06pJ+78w8VbWgj3z78iK2amsXl8NYXFfeHqRlBDHu8BFjQmf/AgPTri iwC/B1I+bHwIsjV2vrgLcXTxVJsIF/hcIrmCp/kYeAAKIgs9dDAsezg7x tY0vgUT5LWkNgJdbdJ/VttuQXQ6eXwZcTXfdINs5DN7bHrVRhIcydlTI8 Q==; X-CSE-ConnectionGUID: pKoC58ygSXG3XDro6Rn4cw== X-CSE-MsgGUID: 7TYTLbfKRZaBxrM2YOtvBw== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="69847582" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="69847582" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 04:12:15 -0800 X-CSE-ConnectionGUID: spmCwM9MRQqA5SvF0Vzuuw== X-CSE-MsgGUID: TZzaWKrJQOSEKD51KOqVAA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="222970343" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa002.jf.intel.com with ESMTP; 24 Nov 2025 04:12:10 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 5B4BCA5; Mon, 24 Nov 2025 13:12:03 +0100 (CET) From: Andy Shevchenko To: Bjorn Andersson , 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 , Ray Jui , Scott Branden , Broadcom internal kernel review list , Lars-Peter Clausen , Eugeniy Paltsev , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Lizhi Hou , Brian Xu , Raj Kumar Rampelli , Michal Simek , Andrew Morton Subject: [PATCH v4 05/13] dmaengine: dw-axi-dmac: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:23 +0100 Message-ID: <20251124121202.424072-6-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251124121202.424072-1-andriy.shevchenko@linux.intel.com> References: <20251124121202.424072-1-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-20251124_041216_641580_B9AF1EE6 X-CRM114-Status: GOOD ( 10.38 ) 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/dw-axi-dmac/dw-axi-dmac-platform.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index b23536645ff7..493c2a32b0fe 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -850,7 +850,7 @@ dw_axi_dma_chan_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, unsigned int loop = 0; struct scatterlist *sg; size_t axi_block_len; - u32 len, num_sgs = 0; + u32 len, num_sgs; unsigned int i; dma_addr_t mem; int status; @@ -867,9 +867,7 @@ dw_axi_dma_chan_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, if (axi_block_len == 0) return NULL; - for_each_sg(sgl, sg, sg_len, i) - num_sgs += DIV_ROUND_UP(sg_dma_len(sg), axi_block_len); - + num_sgs = sg_nents_for_dma(sgl, sg_len, axi_block_len); desc = axi_desc_alloc(num_sgs); if (unlikely(!desc)) goto err_desc_get; -- 2.50.1