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 7A72BCCF9E3 for ; Mon, 10 Nov 2025 10:38:48 +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=xveyd8/HwodqN9fSoBacmuoCFJZxCpxHtYAyGYvEh+c=; b=grp4oO6E5A4SThnnnzgpScGW1V WIoMyyO3uLVO5hG50ZEAo3lPnmiG2l6FUqF2W4Bt7KGM08xcu5XjptBQCJzPz92bMMdxz4x0Bj0yx //BfMiYManYLJp2sNsacuT6BpyU+rbMGbwgJGU6c1t5hUX218rQScd45Q0fHWdAuY5kDon8mKOaBN BQaiIy6kZEia6GkU1Y9WYDWFEh8tEh4CjWMbjyKy5Ik63lAUWHXtFMExh7oB58jDE96jfq+uuLEKv AC9NCMBiVIth7aifDqV30KrQVjhO4npH4tAgtwxG+/kFHa8xkpPtRSPKoo8mtk95w9sotYY0HNXu4 7hXJ8qdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIPID-00000005CnC-2t48; Mon, 10 Nov 2025 10:38:37 +0000 Received: from mgamail.intel.com ([192.198.163.8]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIPHr-00000005CQd-2w8q; Mon, 10 Nov 2025 10:38:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762771095; x=1794307095; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ux3YDPxRIRJcqm5FybObKjKYtBEmPBVV9iloQuSAsH0=; b=jOA0LAxHGBw0fo0dFKIrjVkjGjsoXz3TEGq+7AkKlPmd+PaCUC5NFS5f uBLqd0Bpi/AsSwAYx0NwrWVheYf+2uuZHz242Ej4XnMKm6gjy6vRy89et TaQXL16S9w78/BYIi3iE46fQ5x2SA9cox/ULZKg91lqmvtrTo4qrvwOwV 502eNa79dJFhDDGYD87JFBWG7aQjS63IVegkikVK5MEIaPSwv0zd8MLf7 XDZNNcBL5BneyMEsYDG1wXMT5j8RLfAor0ASZlDvZSU/L184A/sRk3PLY RNS49HDtTCb06td3yFiM9ryTXhlLsobeVsQLBY4BKAUo7FGvS4ddguwNc A==; X-CSE-ConnectionGUID: uGojpnkES6i5J15hpkVEsA== X-CSE-MsgGUID: bVkowcmuRjG4HYQCPmi99g== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="82445578" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="82445578" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:13 -0800 X-CSE-ConnectionGUID: LIP04zOORreySQZMlK9cMg== X-CSE-MsgGUID: ybY7gYwFRaiOboFvVla2rg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="219369242" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa001.fm.intel.com with ESMTP; 10 Nov 2025 02:38:08 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 6FA7397; 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 02/13] dmaengine: altera-msgdma: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:29 +0100 Message-ID: <20251110103805.3562136-3-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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251110_023815_816444_61C2C837 X-CRM114-Status: UNSURE ( 9.87 ) 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. Signed-off-by: Andy Shevchenko --- drivers/dma/altera-msgdma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c index a203fdd84950..48d2a0e638bb 100644 --- a/drivers/dma/altera-msgdma.c +++ b/drivers/dma/altera-msgdma.c @@ -396,13 +396,12 @@ 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