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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D72CC433E0 for ; Fri, 15 May 2020 10:51:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A38520709 for ; Fri, 15 May 2020 10:51:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728264AbgEOKvk (ORCPT ); Fri, 15 May 2020 06:51:40 -0400 Received: from mga04.intel.com ([192.55.52.120]:48323 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728053AbgEOKvj (ORCPT ); Fri, 15 May 2020 06:51:39 -0400 IronPort-SDR: 9FKqJQSzsTTp2bRC61Oa2xkR/B2/JxHpm7hnAfbG9Snxd8dejrqnqbU6BFTIniK3Z+GI4znv57 qatolTwWZ3cw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 May 2020 03:51:39 -0700 IronPort-SDR: bQmEm3KvsMGShLrikAYJH2NXMbSjsZgSZKRjHrRKH5W29Nm8n+oMC4cS7qpI0ezRzzQLgbLrth yR0QAGXaCLaA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,395,1583222400"; d="scan'208";a="438270817" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by orsmga005.jf.intel.com with ESMTP; 15 May 2020 03:51:34 -0700 Received: from andy by smile with local (Exim 4.93) (envelope-from ) id 1jZXwH-006qGW-B9; Fri, 15 May 2020 13:51:37 +0300 Date: Fri, 15 May 2020 13:51:37 +0300 From: Andy Shevchenko To: Vinod Koul Cc: Serge Semin , Serge Semin , Viresh Kumar , Rob Herring , Alexey Malahov , Thomas Bogendoerfer , Paul Burton , Ralf Baechle , Arnd Bergmann , Dan Williams , linux-mips@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/6] dt-bindings: dma: dw: Add max burst transaction length property Message-ID: <20200515105137.GK185537@smile.fi.intel.com> References: <20200508105304.14065-1-Sergey.Semin@baikalelectronics.ru> <20200508105304.14065-3-Sergey.Semin@baikalelectronics.ru> <20200508111242.GH185537@smile.fi.intel.com> <20200511200528.nfkc2zkh3bvupn7l@mobilestation> <20200511210138.GN185537@smile.fi.intel.com> <20200511213531.wnywlljiulvndx6s@mobilestation> <20200512090804.GR185537@smile.fi.intel.com> <20200512114946.x777yb6bhe22ccn5@mobilestation> <20200512123840.GY185537@smile.fi.intel.com> <20200515060911.GF333670@vkoul-mobl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200515060911.GF333670@vkoul-mobl> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 15, 2020 at 11:39:11AM +0530, Vinod Koul wrote: > On 12-05-20, 15:38, Andy Shevchenko wrote: > > On Tue, May 12, 2020 at 02:49:46PM +0300, Serge Semin wrote: > > > On Tue, May 12, 2020 at 12:08:04PM +0300, Andy Shevchenko wrote: > > > > On Tue, May 12, 2020 at 12:35:31AM +0300, Serge Semin wrote: > > > > > On Tue, May 12, 2020 at 12:01:38AM +0300, Andy Shevchenko wrote: > > > > > > On Mon, May 11, 2020 at 11:05:28PM +0300, Serge Semin wrote: > > > > > > > On Fri, May 08, 2020 at 02:12:42PM +0300, Andy Shevchenko wrote: > > > > > > > > On Fri, May 08, 2020 at 01:53:00PM +0300, Serge Semin wrote: ... > > I leave it to Rob and Vinod. > > It won't break our case, so, feel free with your approach. > > I agree the DT is about describing the hardware and looks like value of > 1 is not allowed. If allowed it should be added.. It's allowed at *run time*, it's illegal in *pre-silicon stage* when synthesizing the IP. -- With Best Regards, Andy Shevchenko