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=-0.6 required=3.0 tests=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 D2579C433E0 for ; Wed, 10 Jun 2020 21:40:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE63D206C3 for ; Wed, 10 Jun 2020 21:40:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="h10aYUlE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726377AbgFJVkj (ORCPT ); Wed, 10 Jun 2020 17:40:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726134AbgFJVki (ORCPT ); Wed, 10 Jun 2020 17:40:38 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B40EC03E96B; Wed, 10 Jun 2020 14:40:37 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id b5so1680946pfp.9; Wed, 10 Jun 2020 14:40:37 -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=pDwBTDmz3h0k/Aa3ZIm7vgzuvxX5g50pVAUx5KvQiPQ=; b=h10aYUlEPNY5EN6tcEAW90D8lA7EaGATkGLiJubPsgJTNvC5lis0cvR/F3QVAxQ9Ou Ty5j3hRyob2dBjMhCz+z5NdVkUgk/58htoogS3cOplw2E9YHW4qfj3eF2C6DF0A45UOt T09HmnknJ/4E4xOM7dDkiFIXFzn7wACcet0+MyUYQnuHPwRR5/jUm/PKbLMZB/8mN/mH aqg02scvbRuZmctCdYTWskdEv0l/dwWlHfSO1wKl/cfMDh+XkWMzgbef7glM0j/gxvjD JPscCpWVjW7Djmf7ggGEHobvEON0yV8zwArP1tEwMMPobNg/afbPH+oHHgnM9MwukWRA 5SpQ== 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=pDwBTDmz3h0k/Aa3ZIm7vgzuvxX5g50pVAUx5KvQiPQ=; b=mnVTrXsCc4h6bYNOUtywSs78m5ss5RRJyQSSkDFOBcyCL6EaiGl4kRnNMeyOITdyPy wOCRlhIxohHm2GR7p/FmbZ7P1bgyJiHehWqLCwLn7LnM9HwhSdqfZ5JbkuT5Vie+pmAH PRzXdBJbTNH/qlY1hvKGFzm5iQZife2RUKUTDd1Zqhi1YBcG/duSrXcXvHMrcA4dNxCv 0MTKxKBHhOL0/BqY9mNSv4m2uyxXD+24r7rnoUiBiOhoeA1NfXZ4WkouAf19RgtJCKJN ymp9Hg2ncUCNERl3b0OB1XkjCpLJFjur1gGImMBL0V1HZmyJXkKg941kalgidSVrChWS 14zg== X-Gm-Message-State: AOAM5321+eSdBqrd88FMyUuPrA1ieYahuDkVmAh8HUMAHH8G9BcYXHv7 GjFlQ80VKfW9Edp6MqT/tJY= X-Google-Smtp-Source: ABdhPJz4PlRdz3hoskZuX2GuS4FTJZ6XL1A64DLud2JvOjheTpNwcaEuuf6RtDF7SKfYOHhsnHdywQ== X-Received: by 2002:a63:a363:: with SMTP id v35mr3913447pgn.95.1591825236795; Wed, 10 Jun 2020 14:40:36 -0700 (PDT) Received: from dtor-ws ([2620:15c:202:201:3c2a:73a9:c2cf:7f45]) by smtp.gmail.com with ESMTPSA id x14sm838195pfq.80.2020.06.10.14.40.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Jun 2020 14:40:36 -0700 (PDT) Date: Wed, 10 Jun 2020 14:40:33 -0700 From: Dmitry Torokhov To: Mario.Limonciello@dell.com Cc: enric.balletbo@collabora.com, rjw@rjwysocki.net, rafael@kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, lenb@kernel.org, kernel@collabora.com, groeck@chromium.org, bleung@chromium.org, dtor@chromium.org, gwendal@chromium.org, vbendeb@chromium.org, andy@infradead.org, ayman.bagabas@gmail.com, benjamin.tissoires@redhat.com, blaz@mxxn.io, dvhart@infradead.org, gregkh@linuxfoundation.org, hdegoede@redhat.com, jeremy@system76.com, 2pi@mok.nu, mchehab+samsung@kernel.org, rajatja@google.com, srinivas.pandruvada@linux.intel.com, platform-driver-x86@vger.kernel.org Subject: Re: [PATCH v4] platform: x86: Add ACPI driver for ChromeOS Message-ID: <20200610214033.GB248110@dtor-ws> References: <20200413134611.478441-1-enric.balletbo@collabora.com> <10490419.gsntqH5CaE@kreacher> <4e7f8bf3-b72b-d418-ec95-e1f8c3d61261@collabora.com> <59771d3689da41a5bbc67541aa6f4777@AUSX13MPC105.AMER.DELL.COM> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <59771d3689da41a5bbc67541aa6f4777@AUSX13MPC105.AMER.DELL.COM> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 10, 2020 at 09:28:36PM +0000, Mario.Limonciello@dell.com wrote: > > > > To give you some references, if I'm not wrong, this prefix is used in all > > or > > almost all Intel Chromebook devices (auron, cyan, eve, fizz, hatch, > > octopus, > > poppy, strago ...) The ACPI source for this device can be found here [1], > > and, > > if not all, almost all Intel based Chromebooks are shipped with the > > firmware > > that supports this. > > You can potentially carry a small patch in your downstream kernel for the > legacy stuff until it reaches EOL. At least for the new stuff you could > enact a process that properly reserves unique numbers and changes the driver > when the interface provided by the ACPI device has changed. If we use this prefix for hatch EOL is ~7 years from now. Thanks. -- Dmitry