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 F140ACCF9E3 for ; Mon, 10 Nov 2025 10:39:05 +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=AxS0gIyuyxO+g5+2ur2ApFnqBb6SI1efcsFEaVq6+Pk=; b=p9VRSLnTipvAq8Nn8C2HX6hlX6 Y/hMSFsD/YM9O7UFgyZ7A09shVr9OOv53DX0IqNiYrbpIatbhdw/r/Xw4+mYzruYjZm02mNerYsrZ 0I/hDZPufhChjMDj+TkZGroyE8m7tA0XbtXbMc2sVPK+OMSa7+Bexo93aloUFYmr2ojPqb81jCL47 4jqo36Os3dh2JSmfMOk6IDT5eOWPFn0LsPorPnEMDyKb1A1rJctO/WPvi1u3jJlwRql8zRh/qE2+9 VdNWeDmsf+fkWRMIayjuKbd3rvt4gNWa0PTb3EdKLgARn4/ht+HyuC4ilR74Cggy80H6dQVNcp7sT yAYiqyAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIPIR-00000005Czs-2TTQ; Mon, 10 Nov 2025 10:38:51 +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 1vIPHv-00000005CUB-0mhS; Mon, 10 Nov 2025 10:38:27 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762771099; x=1794307099; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XsqlCtPiLy+XmIRbck4ylskBkeyrZIVThqfjAn1sq0o=; b=BaqJU7wxPYmjJfDG6zN4f1Fmg5B7QZxmv8GY8EEwKRhx5T4CKOb83X2M m0rCNWgla+Hguworxj2EXjyysq1ekuRfUaclIIW1gTaF3mlAIzqzkhVgn i7Xl8zoL2i/QYeuF4JDNFUtJMGdino1aOwt3ITrzgEYZHzzaD4OGiyuWc 8+OnrACPqrHMXcw/eiVovJaYdZEiclgnR83SdpmAo2OqqF6G9TGw+YxFF zDVO/xbmN5zZ2Huahx8/duVFwZLXp3sAUDEi/H5wB8gVtjevbE0TGgrhp 75Xn2En9Bg1jxeHzr5veqoaBIih6ee0JGaZOuyHilR/VPApzPNG8iCp3S A==; X-CSE-ConnectionGUID: qn9Ikk0wS4uzDZiECT9QYg== X-CSE-MsgGUID: 3vE2JovpSoKHk7eB0c4X6Q== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="82445592" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="82445592" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:19 -0800 X-CSE-ConnectionGUID: YB99gmtmQfaV/LSvfgaycg== X-CSE-MsgGUID: TRm5i9mLQvehQQMNp9VGpQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="192750714" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa003.jf.intel.com with ESMTP; 10 Nov 2025 02:38:14 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 835C19B; 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 06/13] dmaengine: k3dma: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:33 +0100 Message-ID: <20251110103805.3562136-7-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_023819_277904_8A61448B X-CRM114-Status: GOOD ( 10.57 ) 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/k3dma.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index acc2983e28e0..88f9a2952edc 100644 --- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -536,19 +536,14 @@ static struct dma_async_tx_descriptor *k3_dma_prep_slave_sg( size_t len, avail, total = 0; struct scatterlist *sg; dma_addr_t addr, src = 0, dst = 0; - int num = sglen, i; + int num, i; if (sgl == NULL) return NULL; c->cyclic = 0; - 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 = k3_dma_alloc_desc_resource(num, chan); if (!ds) return NULL; -- 2.50.1