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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 F3071C433E1 for ; Wed, 26 Aug 2020 10:10:33 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7FC9020786 for ; Wed, 26 Aug 2020 10:10:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="VAw6n4T+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7FC9020786 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id ED9091719; Wed, 26 Aug 2020 12:09:41 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz ED9091719 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1598436632; bh=Yg4PVjoMAR9/8G9N4WpfNqQ44FqyovFBwOxVF+4TqGw=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=VAw6n4T+Gykvyd+8Yelnkxi6trPfKgWsU/+VZ2AK/ZVAOqoL49uVg+Aa6nx/Yvu6I 8PDa/IyfuaiE1fo9yjG0NR/OLkN4mm2+VjFwNSLPdScZWbsUHz7HoBvJLRBEa2x39C TsDAU5FhZTdqkSsgp2T742i/nVz1gmp23g8Jw3Wo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 81487F80143; Wed, 26 Aug 2020 12:09:41 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 5F565F801D9; Wed, 26 Aug 2020 12:09:40 +0200 (CEST) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 94098F80105 for ; Wed, 26 Aug 2020 12:09:29 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 94098F80105 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id A2DE6ABEA; Wed, 26 Aug 2020 10:10:00 +0000 (UTC) Date: Wed, 26 Aug 2020 12:09:28 +0200 Message-ID: From: Takashi Iwai To: Mark Brown Subject: Re: [PATCH 1/4] regmap: sdw: move to -EOPNOTSUPP In-Reply-To: <20200826095600.GA4965@sirena.org.uk> References: <20200825171656.75836-2-pierre-louis.bossart@linux.intel.com> <20200825214858.GK5379@sirena.org.uk> <6f7e5830-4dd8-1ecc-20c3-df75bc9ef265@linux.intel.com> <20200826095600.GA4965@sirena.org.uk> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: Guennadi Liakhovetski , alsa-devel@alsa-project.org, Kai Vehmanen , "Rafael J. Wysocki" , gregkh@linuxfoundation.org, Pierre-Louis Bossart , linux-kernel@vger.kernel.org, Hui Wang , vkoul@kernel.org, srinivas.kandagatla@linaro.org, Ranjani Sridharan , jank@cadence.com, slawomir.blauciak@intel.com, Bard liao , Rander Wang X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Wed, 26 Aug 2020 11:56:01 +0200, Mark Brown wrote: > > On Tue, Aug 25, 2020 at 05:08:55PM -0500, Pierre-Louis Bossart wrote: > > > > > -ENOTSUPP is not a valid error code, use recommended value instead. > > > > What makes you say this - it's what regmap uses internally for > > > unsupported operations? > > > This was flagged by scripts/checkpatch.pl (must be a new addition). > > checkpatch is broken. Heh, I'm not objecting it :) OTOH, it's also true that ENOTSUPP is no good error code if returned to user-space. Unfortunately many codes (including what I wrote) use this code mistakenly, and they can't be changed any longer... Takashi