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[2620:137:e000::1:20]) by mx.google.com with ESMTP id l8-20020a056402254800b0043bf3d294c2si6492092edb.604.2022.07.26.05.56.43; Tue, 26 Jul 2022 05:57:08 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Cd843CWb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233180AbiGZMjj (ORCPT + 99 others); Tue, 26 Jul 2022 08:39:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231395AbiGZMjh (ORCPT ); Tue, 26 Jul 2022 08:39:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 852202CDEB; Tue, 26 Jul 2022 05:39:36 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 20BA261521; Tue, 26 Jul 2022 12:39:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3E5AC341C0; Tue, 26 Jul 2022 12:39:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658839175; bh=v0tGAr/InIblqhn9psBtjGEpeZa61eZxTNk0ZPTmYxQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Cd843CWbBKxjNSR8l+GsXYw6coHA1AUqESqQOfh4BZO+UkMD2zd3O8UwU6uCFUl1b 7kpcNIEmVeuQFIRpxaqLaycB0I+ClVY7IPAUmAve3dgy0oqZhdC0xt9E2+WOhWYHwS pESGEgzx5Qpnk4FjTZSqs4HQg/NHJZDbki78tTEDAPfxfPe78W/g0ZqPcJyOBG0T1M ZY2wmGdjSoBkaagTIy2psCSPmEgakd6mWtMKtFG4P0gVy8N40e/QZkhVIXPFojSQvq Kwh7VtCalYGqBTst/58vXsKjp0rw+b9DwlBcd/Faz2g4z6qw4C3OrciZ9TAoRuq82J uWn9DyejpkDrA== Date: Tue, 26 Jul 2022 18:09:31 +0530 From: Vinod Koul To: Jie Hai Cc: wangzhou1@hisilicon.com, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 6/7] dmaengine: hisilicon: Add dfx feature for hisi dma driver Message-ID: References: <20220625074422.3479591-1-haijie1@huawei.com> <20220629035549.44181-1-haijie1@huawei.com> <20220629035549.44181-7-haijie1@huawei.com> <2a2a9624-d8ce-4bae-e666-3035ebb1b9e6@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2a2a9624-d8ce-4bae-e666-3035ebb1b9e6@huawei.com> X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 26-07-22, 09:43, Jie Hai wrote: > On 2022/7/21 21:25, Vinod Koul wrote: > > On 29-06-22, 11:55, Jie Hai wrote: > > > > What does dfx mean in title? > > > Thanks for the question. > > DFX="Design for X", I quote its definition as follows: > The product definition puts forward a list of specific aspects about a > design that designers need to optimize, for example, product usage, > functions and features, cost range, and aesthetics. Modern designers even > need to consider more design objectives because the new design > characteristics may finally determine the success or failure of a product. > Design methodologies that consider these new characteristics are called > design for X (DFX). Specific design methodologies include design for > reliability (DFR), design for serviceability (DFS), design for supply chain > (DFSC), design for scalability (DFSc), design for energy efficiency and > environment (DFEE), design for testability (DFT),and so on. This would be better to explain in changelog, not many people would be familiar with these terms... > > For clarity, I've replaced it in v3 with something easier to understand. > > > This patch adds dump of registers with debugfs for HIP08 > > > and HIP09 DMA driver. > > > > > > Reported-by: kernel test robot > > > > ? > > > The kernel test robot raised an issue and asked me to modify it and add > "Reported-by: kernel test robot " to the commit message, so I > did, and it was removed in v3. ok -- ~Vinod