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=-3.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 A0839C4727E for ; Tue, 22 Sep 2020 09:05:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 406EF2396D for ; Tue, 22 Sep 2020 09:05:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rm0AuDs9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726577AbgIVJF0 (ORCPT ); Tue, 22 Sep 2020 05:05:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726419AbgIVJF0 (ORCPT ); Tue, 22 Sep 2020 05:05:26 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07AEDC061755; Tue, 22 Sep 2020 02:05:26 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id z18so11856882pfg.0; Tue, 22 Sep 2020 02:05:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=mPsvEGWz9X5eyL4+lVDR6ZPM4UaqFBAtKVbt5mUKCOU=; b=rm0AuDs9bkPE2pca7xXKwIw4LAdqI0HURlLBlRiAPXpAlNg+NTxa1n1wwwoVvDVGJG L1huU+wuhXZXppfAax+PJOj51f+3PAnX23tG0Q5//4DUOatRDIiMvQwWPJ+C+LlsrgJh aelDCLZqLHpbuAZHsWfN5u1F/15PQV67pl1dI+DlF/aU1qgFdHct+rTCQYgqhpJSzfA8 gMpRK22qV4/ETl0F+fZCFzT8HtHCpnHy4MHfccjCSIhqTVLKcIRTgvesYDDf8nkSEOCy a9bOvLhCD5xPklepyxvDZ0xf9CkdoDMT2YQ1EKJq1L4PvIXPEarM9HBLkPHX8LgrNBb2 1WGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=mPsvEGWz9X5eyL4+lVDR6ZPM4UaqFBAtKVbt5mUKCOU=; b=hQIjvsxc1fSJXycy78ElDGJjRQzqyJ9PyeOJre2K4qKnnfM5TUIUmIxyYrpkiUit1e iUMbRW2fdLU81Ht11SG7iVR0eZQMR1COZqL3jxs79vyuikr8As5SN8Gnsqu9uuRQkaM1 vRTp6jRIo7eCQn57kRZamNuFlzizmKnhZvWJ2GawAHYLLzP43fecu3U0hOogOqfBP4sN 0HTeKm3KMATdBM0e9v3qSaKStD6EWegl4Czqk17boU0y8aFTYTED40GG0FG26wxUqc+e Ujd1daekYmY9tMpjoIf0dc97nGTNul0ktEiFmiVK4lxn37s1LPU6ahdZTG1kaf7koKrB PYzA== X-Gm-Message-State: AOAM5317amW+yczepbZnZmgmWC7zfHWCRi9xjxSAvKv+JrvTRBmqqn5b Hc3h5wOVZsPsMXbSFEEcDHc= X-Google-Smtp-Source: ABdhPJxiZbCLf5v4hNKdJuQ425SV+nu3/VQhf1o4I6t4H4Of57LVPP4MzCMhFtH83Y9AjgqIGvBy/w== X-Received: by 2002:a05:6a00:1506:b029:142:2501:3971 with SMTP id q6-20020a056a001506b029014225013971mr3340207pfu.54.1600765525518; Tue, 22 Sep 2020 02:05:25 -0700 (PDT) Received: from sol (106-69-189-59.dyn.iinet.net.au. [106.69.189.59]) by smtp.gmail.com with ESMTPSA id c1sm14375118pfi.136.2020.09.22.02.05.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2020 02:05:24 -0700 (PDT) Date: Tue, 22 Sep 2020 17:05:18 +0800 From: Kent Gibson To: Arnd Bergmann Cc: "linux-kernel@vger.kernel.org" , "open list:GPIO SUBSYSTEM" , Bartosz Golaszewski , Linus Walleij , Andy Shevchenko Subject: Re: [PATCH v9 13/20] gpio: uapi: document uAPI v1 as deprecated Message-ID: <20200922090518.GA493023@sol> References: <20200922023151.387447-1-warthog618@gmail.com> <20200922023151.387447-14-warthog618@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 22, 2020 at 09:49:11AM +0200, Arnd Bergmann wrote: > On Tue, Sep 22, 2020 at 4:36 AM Kent Gibson wrote: > > /* > > * ABI v1 > > + * > > + * This version of the ABI is deprecated and will be removed in the future. > > + * Use the latest version of the ABI, defined above, instead. > > */ > > How intentional is the wording here? It seems unrealistic that the v1 ABI > would be removed any time soon if there are existing users and applications > cannot yet rely on v2 to be present in all kernels, so it sounds like a hollow > threat. > Andy had a similar comment regarding the build option, which I updated, but missed updating it here. The updated sentence ends at deprecated. I will update these to match in the next rev. > At the same time I can see that telling users it will be removed can lead to > them moving on to the new version more quickly, so maybe a hollow threat > is in fact appropriate here ;-) > That was the idea - though even the sysfs interface is still there and doesn't seem to be going anywhere in a hurry. Cheers, Kent.