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=-6.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 21936C433DF for ; Wed, 26 Aug 2020 10:13:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E386C206EB for ; Wed, 26 Aug 2020 10:13:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598436823; bh=7Yiotm++5mcylAUoQcmaIcIXDKlEaC2FfSyZhGHmL0Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=GmANZnXlwni/UKj4DXLdMtQBC+sWh+Mv99RP91U44zm3By9FqtmLBEZ+wdcvZCGCj rVRs4vb10Am8hes/C+kRX97p7Q9hynB2p1i2Y7AKk7Ujn+qxZ8a+laMhBteqLYp34b iw7tEliDhKLKcvNKw/S8FIUnXdelfZb6GVEKN2/A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728271AbgHZKNl (ORCPT ); Wed, 26 Aug 2020 06:13:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:37904 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728015AbgHZKNi (ORCPT ); Wed, 26 Aug 2020 06:13:38 -0400 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7ACD820786; Wed, 26 Aug 2020 10:13:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598436818; bh=7Yiotm++5mcylAUoQcmaIcIXDKlEaC2FfSyZhGHmL0Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ldry5al5hlgsrc2QLoUyvMu6PHQOSY4Lu+MZ+CvEQfmvK5Z+XlP02cbj4UdBANcs9 6sPWgAHijrQ2R6p3c3Q46krm/AvaxEgr0uQqe6mqLyFJdyrXL9+lc7hC9SVb588T4L sqQkrkqyqGgzbpWgueQ7rpz0Q+FSACjcwxPapUgc= Date: Wed, 26 Aug 2020 11:13:01 +0100 From: Mark Brown To: Takashi Iwai Cc: Pierre-Louis Bossart , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com, srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com, Bard liao , Rander Wang , Ranjani Sridharan , Hui Wang , Guennadi Liakhovetski , Kai Vehmanen , "Rafael J. Wysocki" Subject: Re: [PATCH 1/4] regmap: sdw: move to -EOPNOTSUPP Message-ID: <20200826101301.GB4965@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> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="FkmkrVfFsRoUs1wW" Content-Disposition: inline In-Reply-To: X-Cookie: Should I do my BOBBIE VINTON medley? User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --FkmkrVfFsRoUs1wW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Aug 26, 2020 at 12:09:28PM +0200, Takashi Iwai wrote: > Mark Brown wrote: > > 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... It's also used internally in various places without being returned to userspace, that's what's going on here - the regmap core has some specific checks for -ENOTSUPP. --FkmkrVfFsRoUs1wW Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl9GNa0ACgkQJNaLcl1U h9AJeAf/WqsXkrP/82iF/TgEzGg4DDimkCFgDUemLmTimuMP5/11b0qeDKqL7PGl RACeGo++H3Xr5TS2lKjFInP+zG4aCdpyLg9nxm/TnxMDCJOidLvvvsYO4AdXLNIL BwOSBWU3o8jXAepH7w9tQ9Nqq28sJPrUrhrju+R7z7eNtmoTksiQwanXiQ9b21Gh j4Jc3KRhKf4brtnajauLYqNx2spZEFLJ14PJnDTG3vXm8qOtxfqCM8ei+Rd5atAw N64TV6U6mAQoFJsP4/d+GR7/90opkVVRTZVtSK+bHrH7p6iHPhliPpaPw7PMZnC7 BiZ0HypuoqdvZeQ/0f1cVjuiiGCaww== =vOnh -----END PGP SIGNATURE----- --FkmkrVfFsRoUs1wW--