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=-1.1 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, URIBL_BLOCKED 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 4348CC49ED6 for ; Wed, 11 Sep 2019 17:50:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0BAE52081B for ; Wed, 11 Sep 2019 17:50:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jc9Nf8+G" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729760AbfIKRuH (ORCPT ); Wed, 11 Sep 2019 13:50:07 -0400 Received: from mail-io1-f66.google.com ([209.85.166.66]:38273 "EHLO mail-io1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729681AbfIKRuG (ORCPT ); Wed, 11 Sep 2019 13:50:06 -0400 Received: by mail-io1-f66.google.com with SMTP id k5so22572356iol.5; Wed, 11 Sep 2019 10:50:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=BiVtPEqM908NUB3dBSJY2gAQDyOXwRsQwEkRcPZywqI=; b=jc9Nf8+GW9nZpQ0ok6swsNOLkv+pGqsSyc21nizbrfEMW5OQZTAYm96rg9TIObiBCt XHJngLQdhpxII/jMetLaSjWWHddk+kc/6WlV6Rp5+ONZJ7lo9qA/4x3vO97qduAHC/Th ItwIUifaX2DGdTlFMc54yWpK8kM0fvXp6akMNLJpOBl47p2BXp/oE/sf9T72YQqwLto9 9dUIzTM4+awJdTHsMN7TjQ8pJhcccTbf9h1Ms1Qc17ZJeuUt/80RKtfHmmwkQyBWZpkz q2dsHwVpM24jqLYSfhJv9bSmw1LY+mIBL5JMRx2hQmIBIUNThCkmEvpxKsr0VzRUdMM8 BHMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=BiVtPEqM908NUB3dBSJY2gAQDyOXwRsQwEkRcPZywqI=; b=lGKzQwP95M0H3IPHjOp/FJ5hUVMIw+REtqM54dnMtNu17NtV3cvaPhxcNPTBooGWBI nIYouiZAW+61ngGKwhHWt66QVVyXgD0ZHGO0MZkEwW1Z5woCWv886Cr3YZHKd9oMwGS9 +dC4TPvCwldDoQ/EQy9wAvLuXNqBCCfc32y3T4Z/DJrn2BQsZi/YqomnzrEczMHu4oVK VCRW1G1JZti8p5ChCcvMNvCMKeY2mYzSBQcuwJs59U2j6GROLWloNl8yUazAVQmbmTH7 KpOe0N2izE9qu9wRX+QdveQ8kHQEW/qpQkh7IvMZVuoCLT7hTcwfn7Iay6HmxcCQSG22 heZA== X-Gm-Message-State: APjAAAU5v3fnTs86+OaSUhlrZbHlZAxwdVB93OYsmjP9HthWn38reRI1 lM7tftpVEz+I9DD7OXwjf+G0NHQ/goZlSaGhjQg= X-Google-Smtp-Source: APXvYqxIT4Dcqge2c5gC0lT0eUdANFfKovs5IBIuAHz7cTm/bLxKVUyS8v9G9EAwjfRfiW5heNFtoExzCoI5CJy/qRU= X-Received: by 2002:a6b:8e92:: with SMTP id q140mr13229896iod.205.1568224205056; Wed, 11 Sep 2019 10:50:05 -0700 (PDT) MIME-Version: 1.0 References: <0C1EF64E-B33C-4BFA-A7D3-471DD1B9EE86@goldelico.com> <515048DE-138D-4400-8168-F2B7D61F1005@goldelico.com> <7B3D1D77-3E8C-444F-90B9-6DF2641178B8@goldelico.com> <87420DBD-770F-4C32-9499-A3AEA5876E8A@goldelico.com> <20190909163236.GP52127@atomide.com> <3663B13C-1AAB-4BE3-8CAD-F821B70393FA@goldelico.com> <56482888-DBD3-4658-8DB9-FB57653B5AA8@goldelico.com> <285FED38-2B2B-4813-9FD2-396C53E9B1B2@goldelico.com> <65A23326-70B4-46E3-992D-74256B056900@goldelico.com> In-Reply-To: From: Adam Ford Date: Wed, 11 Sep 2019 12:49:53 -0500 Message-ID: Subject: Re: [Letux-kernel] [RFC PATCH 0/3] Enable 1GHz support on omap36xx To: "H. Nikolaus Schaller" Cc: Nishanth Menon , Linux-OMAP , Tony Lindgren , Linux Kernel Mailing List , =?UTF-8?Q?Andr=C3=A9_Roth?= , Discussions about the Letux Kernel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 11, 2019 at 12:43 PM H. Nikolaus Schaller w= rote: > > Hi Adam, > > > Am 11.09.2019 um 18:01 schrieb H. Nikolaus Schaller = : > > > >> > >> Am 11.09.2019 um 17:56 schrieb Adam Ford : > >> > >>> There are some subtleties for testing. > >>> > >>> * I have added turbo-mode; to OPP6 / OPP1G > >>> * which means they are available but not used by the ondemand govenor > >>> * to enable them one has to echo 1 >/sys/devices/system/cpu/cpufreq/b= oost > >> > >> Will that be documented somewhere? If not, can we put a comment in the > >> device tree so people know how to enable it? > > > > It seems to be pretty standard on i86 systems if you google for "turbo = mode". > > I have added it to the commit message which adds the vbb regulator. > > And, I am not sure if DT maintainers will accept comments about the > Linux /sys implementation in device tree files or bindings. Those > should be independent of Linux. OK. > > Basically the turbo-mode property is a hint to the OPP system (which > may or may not use of it). > > So I think it is indeed better to have it in the commit message and > not the code. That makes sense. > > One more thought: as long as we do not have junction temperature monitori= ng > we should keep it off by default... We may even remove the turbo-mode > designator if we have the 90=C2=B0C limit and smart reflex working. We're almost there! adam > > BR, > Nikolaus >