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 85AD7CFD317 for ; Mon, 24 Nov 2025 12:12:21 +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=GuCwsDcDNZ9bywv5VXHss+jPjIS8IoB2eVQNBHUsfJI=; b=eBUyeIZNSy72JztkDeft2ufWGJ /kFExTDXAW4eJfqFeyvaz1NiUZ8T8NuHTGEMJy6yQBk5blfMCVFEIVn4z4PYwxwqfn4i885wHOcZ3 N7cFt2yo6pcEoXO8pseNAZYpl1VeEg4tpvn+Ex0gPRrMo3Y/ZA7mlVQiQsvkl74j0HwB9Cfsr7Wom XTdWprvEZGhigd9irHmf3nc4eZgmJU5DI7YoeVcoQucMDo1are5CbxMW7fCrKZ1jQmbHHfEyDr5yB YocBY089XQ6u9EwUEeJdQ05vLlzEovx5U16MBnWI5EQ//hig9UlM5Zkywa3WCr0TLilgrFobPOD7P 0mBUXZlQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVQY-0000000BcU2-29n4; Mon, 24 Nov 2025 12:12:18 +0000 Received: from mgamail.intel.com ([192.198.163.7]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVQR-0000000BcP4-24OY; Mon, 24 Nov 2025 12:12:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986331; x=1795522331; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=trxP5p0DPdBeRi5vhwLDZx5PvWwqNzPStkGF5be32MQ=; b=cYbNYBTAcXN4EMyeFtwSjRxSuEbDpjLz6B35bMpI5pHgJRRMVNILSGpk 9X7Wj3cEaKnI4xgZhLc5BgE20qwVMnRHugOIWmg7JCDI8UNitw/KA+QWU BQxidiEnyWuTEvySN/m9wPo+VZgEryCI4/Ai8mqgZN90V39o70Y2iv8me oRWtdCICgqRLT/mg8Zkc2tEwPD0q6kQXMSXl7UMy9YHNbV8TO67FIahqS EQoHmxBArYmZDnkTQA3BSQEpAOsu/UbcgcZY1/jJf2Yc/pGx4/uY+Yp3P bdbxCVfRFZRdESxqU6NZ2f+/OF3+3LHSUk9krGQg7+9GgHLKn/7xO//eF w==; X-CSE-ConnectionGUID: kbWBjhzeRSaOPaRqNKozXg== X-CSE-MsgGUID: j+1su3zDQvqp7GU2j05QMQ== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="91467923" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="91467923" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 04:12:09 -0800 X-CSE-ConnectionGUID: 3opyCmUeRgyXZLeN0a8A3A== X-CSE-MsgGUID: ZpvOF1xUTt2GcGUO71jbBg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="192559539" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa008.fm.intel.com with ESMTP; 24 Nov 2025 04:12:04 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 4E189A2; 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 02/13] dmaengine: altera-msgdma: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:20 +0100 Message-ID: <20251124121202.424072-3-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_041211_542757_FB4283E9 X-CRM114-Status: UNSURE ( 9.76 ) 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 | 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