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 1A9ECD185D7 for ; Thu, 8 Jan 2026 10:56:43 +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=ux+b4WIwHzhNTcqVcgIiHvwPV9UZJGhYPXMGEntPDIM=; b=3JSN9tSxKuE/fd5QS2tg/nxcfi W3+aD4x3UsyxtQoitw07/CUsmuKqykoNyC3S/dIVK/yMd7W4tUNifcsZLBQLKEFy0sN0p/rf3sIGj TkzpyyEJG5H7se+sq0gmTtSg8Xgu/jdhx62XBj6MxRkoUGhdcBYeSfTLSZj1xV9DPR6Gc1UC73Zkc 8KtFvndogZ08zJ26CE0qmDyLs03pIavl4hICkiBHvcJD5r9tXJdw8Mdy95vGSFa2J1bJxEleJO66o LkXxBjI0+H87r9QsTAVc0rezm/N32yIwi+r0VRgzQ4Vd+2zdfe+ElHfuk+GAvgafoRVX39dbzmgkV 4Y8TALhg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdnh0-0000000GkRp-3nkT; Thu, 08 Jan 2026 10:56:38 +0000 Received: from mgamail.intel.com ([198.175.65.13]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdngt-0000000GkHx-0wYS; Thu, 08 Jan 2026 10:56:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767869792; x=1799405792; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=n0PKa+x5gXv92s+9IcYHn+CLocgSZP4a9Z3TXr15mqo=; b=ZDt/bF+L+fVkU5k+QlmavnGt1s1vjA/rs1wGh4ygTDPwKv9CtvZHKdbH /rHHgdXrHwL9VdmFvJDfCKzzQfWuuYLcQQ13nA3oXnfgqys0uhb0EReu/ uN8yO7hvPZ6pneFECrCc0OucKkn3W9ucOs5D4aHPeObzEokK/yWjemChR Wsay4IQf9ZsZrL2QiA7EGcDhIKPQz8I+6uP6JOzI3ur+vIEO4z3g3ZjUI yeqTqA0R5O/vaaQzG83q6bQ3NgrHpI12BCDcZcFq09C/8phQYbMolic1h jHF4BEspb5+5ui96VSWHW0e71Hdeg3K3NSvv34c1t4sVBOM9TbrnvUhSr w==; X-CSE-ConnectionGUID: ETsO68doRPqSVs4G1t83dg== X-CSE-MsgGUID: zKBCr5aGSXSsfgKV0L+WaQ== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="80354574" X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="80354574" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 02:56:28 -0800 X-CSE-ConnectionGUID: dXQieIjVTd2WGJm8g7WiPQ== X-CSE-MsgGUID: mheJh/SfRpuKhuDOeynzPQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="203615539" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa009.fm.intel.com with ESMTP; 08 Jan 2026 02:56:21 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 4675E9B; 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 02/13] dmaengine: altera-msgdma: use sg_nents_for_dma() helper Date: Thu, 8 Jan 2026 11:50:13 +0100 Message-ID: <20260108105619.3513561-3-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_025631_342613_2D6B34B8 X-CRM114-Status: UNSURE ( 8.89 ) 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/altera-msgdma.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c index a203fdd84950..50534a6045a0 100644 --- a/drivers/dma/altera-msgdma.c +++ b/drivers/dma/altera-msgdma.c @@ -396,13 +396,11 @@ msgdma_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, void *desc = NULL; size_t len, avail; dma_addr_t dma_dst, dma_src; - u32 desc_cnt = 0, i; - struct scatterlist *sg; + u32 desc_cnt; u32 stride; unsigned long irqflags; - for_each_sg(sgl, sg, sg_len, i) - desc_cnt += DIV_ROUND_UP(sg_dma_len(sg), MSGDMA_MAX_TRANS_LEN); + desc_cnt = sg_nents_for_dma(sgl, sg_len, MSGDMA_MAX_TRANS_LEN); spin_lock_irqsave(&mdev->lock, irqflags); if (desc_cnt > mdev->desc_free_cnt) { -- 2.50.1