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[2620:137:e000::3:8]) by mx.google.com with ESMTPS id u8-20020a170902bf4800b001c9ad8ca211si12110132pls.18.2023.11.16.07.21.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 07:21:48 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) client-ip=2620:137:e000::3:8; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Mx5wkoTk; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by fry.vger.email (Postfix) with ESMTP id 65BC780A0562; Thu, 16 Nov 2023 07:21:37 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at fry.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230435AbjKPPVP (ORCPT + 99 others); Thu, 16 Nov 2023 10:21:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230492AbjKPPVO (ORCPT ); Thu, 16 Nov 2023 10:21:14 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43061D4B for ; Thu, 16 Nov 2023 07:21:10 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1BD24C433C7; Thu, 16 Nov 2023 15:21:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700148068; bh=8zlYWy/9GrwiD4xbJy7aGkZiO1aytlOU0+w/a72MJkA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Mx5wkoTklAbDN9BqccT/xK73eraVqp/wGEI6YLTsPr6rUcrZj+pkTnkv7UXwfjVIx sX0QEJjvWuwIDPm65JzD8V1nIjskNAMgssWDTj5dNKAKwNb3vWY4snuiJP50s7lDxM 7LuRk0puHOB4SSiOZaSVlKk04lQviHcGZwA0QP3JjwTKUMkMJGzPLNq9bFVVdCpLiZ 06sm63zUJKjwhrTK2JApoZ7r3kYQH0VB6EfZBk6EI79UhRmCjEyBnCB411JNc8EnIL cIvSJXqlSey62Pmzg8J8kzXE4M8pJ9iDmu13QoE8yqhtJUWWXItb/EquSIYEQ2hxhp lG+ooEUDd5gQA== Date: Thu, 16 Nov 2023 15:21:01 +0000 From: Mark Brown To: AceLan Kao Cc: Tudor Ambarus , Pratyush Yadav , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Mika Westerberg , Dhruva Gole , linux-mtd@lists.infradead.org, Kamal Dasu , Jonathan =?iso-8859-1?Q?Neusch=E4fer?= , Mario Kicherer , Chuanhong Guo , linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 1/2] spi: Replace -ENOTSUPP with -EOPNOTSUPP in op checking Message-ID: <401df72f-9255-4da3-b97e-93d3f38d352c@sirena.org.uk> References: <20231116024338.337304-1-acelan.kao@canonical.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="dP03VA4Totf7dmr2" Content-Disposition: inline In-Reply-To: <20231116024338.337304-1-acelan.kao@canonical.com> X-Cookie: micro: X-Spam-Status: No, score=-1.3 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Thu, 16 Nov 2023 07:21:37 -0800 (PST) --dP03VA4Totf7dmr2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Nov 16, 2023 at 10:43:37AM +0800, AceLan Kao wrote: > The purpose of this patch is to distinguish the "operation not support" > error from the generic "not support", so that drivers could better > handle different errors. 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