Received: by 10.192.165.148 with SMTP id m20csp453323imm; Wed, 25 Apr 2018 02:13:27 -0700 (PDT) X-Google-Smtp-Source: AIpwx4/vhUfL7yEU450LtVuNFXmDXJ16qVGKUxk2xCjnEz7S912B9WWJ3NVi5MbZSLa7UlwzTtCZ X-Received: by 10.98.150.198 with SMTP id s67mr27197906pfk.191.1524647607609; Wed, 25 Apr 2018 02:13:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1524647607; cv=none; d=google.com; s=arc-20160816; b=dmWKSItPxpC/ghOyV3DxLPoQsLFWhsgZ2F+iV87O3Kge9rDsNLA2gvKrNuQO3xo9xi 4SWn5y/qzxUQrM51iFqT2vmUd6trKweVBYjVBH/6QMLZyA47j6bcggXGAMXln068R774 D7+YG+op9Uj2WlxvQ/OehRtAWnEMNPAvXznKDcPylywHw/Yn6pJ2MdQJ26QSQ3ulIDjt 7Of9BnUVRydTeGCUq9rhGa33NQTYSyCp1j4iK+a7TLB73b4s03bsrpbCb7W2PcdgrWVa Oe359ilWs927HbPjvdsPEadQc2MCT8gAwmeJREVOUuCw4xnURuhgH00DoyHjqqPeoyjW vNgQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=oDjnrERabU29s7XxvVQrJJF1gaqKN7xBZudY4tX85wk=; b=Y/zXhTTZrwD4WfjOr/HNF65+mg9YyBs03eYeRaTttS4CJ9UTXeRVIpvxWzLe9b2bBq pUmFRGJWdq6yAgDsD+WotyTZixefFzjQdf4RBrgkGbXYSeukFcHQc4ZtTemrJZVPTAf0 NdE6a2C4900S06AciXJcGeHZP0WGEpBvtQ4EtvMFYgL5e+d1WWmHvaLpfM1vGh9rTQd9 EOGYJL+UcBJRquDKCnnmBSWDOT1hTxOTK84Ksh9/y7zn6cEQuxDGRcjQDJwuld+JZF6O 2p6rKVO7xyxUrDZ3eKfN7LNRoyU9ADzOWn0Bfr300rhBlI0+yoTtQY4V9Nx3z0QQQs4W 001g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 132si12876858pgb.470.2018.04.25.02.13.12; Wed, 25 Apr 2018 02:13:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751574AbeDYJLw (ORCPT + 99 others); Wed, 25 Apr 2018 05:11:52 -0400 Received: from mga05.intel.com ([192.55.52.43]:37178 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751339AbeDYJLs (ORCPT ); Wed, 25 Apr 2018 05:11:48 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Apr 2018 02:11:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,325,1520924400"; d="scan'208";a="50652899" Received: from vkoul-udesk7.iind.intel.com (HELO localhost) ([10.223.84.143]) by orsmga001.jf.intel.com with ESMTP; 25 Apr 2018 02:11:45 -0700 Date: Wed, 25 Apr 2018 14:46:27 +0530 From: Vinod Koul To: Frank Mori Hess Cc: dmaengine@vger.kernel.org, Dan Williams , linux-kernel@vger.kernel.org Subject: Re: [PATCH v5] dmaengine: pl330: flush before wait, and add dev burst support. Message-ID: <20180425091627.GM6014@localhost> References: <1643219.q45jaR7ETT@bear> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1643219.q45jaR7ETT@bear> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 18, 2018 at 08:31:06PM -0400, Frank Mori Hess wrote: > Do DMAFLUSHP _before_ the first DMAWFP to ensure controller > and peripheral are in agreement about dma request state before first > transfer. Add support for burst transfers to/from peripherals. In the new > scheme, the controller does as many burst transfers as it can then > transfers the remaining dregs with either single transfers for > peripherals, or with a reduced size burst for memory-to-memory transfers. Applied, thanks -- ~Vinod