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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 545FCC432BE for ; Thu, 19 Aug 2021 14:05:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3552E61100 for ; Thu, 19 Aug 2021 14:05:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240301AbhHSOGF (ORCPT ); Thu, 19 Aug 2021 10:06:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238516AbhHSOGE (ORCPT ); Thu, 19 Aug 2021 10:06:04 -0400 Received: from mail-ua1-x92d.google.com (mail-ua1-x92d.google.com [IPv6:2607:f8b0:4864:20::92d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0FBDC06179A for ; Thu, 19 Aug 2021 07:05:27 -0700 (PDT) Received: by mail-ua1-x92d.google.com with SMTP id u39so2639470uad.10 for ; Thu, 19 Aug 2021 07:05:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=z8ppYolHk+6MAlg/iRV3TOW64DDORViSUFtjVS4tPfU=; b=pf8lMOnxg/R18hy9RmRXn53gTyaSPBEYPRXidYbCWDeGyj1Q84GnstXRTsE70HIZwL rOZaYQbJ0JsuexxwGKTbxTnmUkIeE3lCIDKi4y5M7EdG4KOJ33bce1Ym5TIJ8eyXrlgP dbE7l+Rznz9FT+hME0DQqhK7lxhDgOPmbvRDcLaquo7wS/EVnyYYfbE9J5SpPQV1WnQ8 fXPIAlBPmH1/Wbcsr6ERwHJaV/U7LQTY8nCTXj0WtrNaCQEnZqZy2yVRdVBh7ZdPgr+l lQknd5LJKpfGihHNxJOG9NmGE/fM0gVDzrjpqFwZqJoFyhmk+xoMBA6IKCATwNl/L1GC MrVQ== 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; bh=z8ppYolHk+6MAlg/iRV3TOW64DDORViSUFtjVS4tPfU=; b=tD8rKA54ab2zu2VDyjzmjic26ZBB6n/cQL2yMe7O2m8zPdlwUTYm9PuwJnXz0lnNUl 9qs5fBDU7Tck2C4ybx6BsEgVwDK/qSw+SKxerIEVfk/ABAcPsfhe7fpm88TLpROVeuO3 eBzymNHe7wolm9URolkq+KpSeF3sx0cNs5AYyL1nZs2PBc+kRhig5FtsF0qCZ9FEbaCK SlqHwEha9R13ouagxkzGQnLPXsoeSGZgdbPld33SXPQp4KrkAprPHuzTSQWpiD+4QmBJ ufOwONDsHz4/QYqvMKc3TFXSUrGAQQhQOH+19zSuYWXjrQZ/KdEszXqJ3P8sQEoxIBu2 BqVg== X-Gm-Message-State: AOAM530m4Wmj1wr5VCFCkpnSK09MbMYmeQRqaxpe5TdrL/Ebe3oAI+iY i952AaAnyXJhIyj1J2a/AhyaHcW1FCo6yunApY7kgQ== X-Google-Smtp-Source: ABdhPJy/9RKTdWSvjYHKQ+0uBbarqxq9rsGLaiJcPg/kihysGVgUWTFM+D2WJBPDbj8B50jGA4KtwzpHd41jDaJSEK8= X-Received: by 2002:a9f:25a7:: with SMTP id 36mr11206760uaf.129.1629381926495; Thu, 19 Aug 2021 07:05:26 -0700 (PDT) MIME-Version: 1.0 References: <20210817012754.8710-1-digetx@gmail.com> <20210817012754.8710-20-digetx@gmail.com> In-Reply-To: From: Ulf Hansson Date: Thu, 19 Aug 2021 16:04:50 +0200 Message-ID: Subject: Re: [PATCH v8 19/34] pwm: tegra: Add runtime PM and OPP support To: Thierry Reding Cc: Dmitry Osipenko , Jonathan Hunter , Viresh Kumar , Stephen Boyd , Peter De Schrijver , Mikko Perttunen , Peter Chen , Mark Brown , Lee Jones , =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= , Nishanth Menon , Vignesh Raghavendra , Richard Weinberger , Miquel Raynal , Lucas Stach , Stefan Agner , Adrian Hunter , Mauro Carvalho Chehab , Rob Herring , Michael Turquette , Linux Kernel Mailing List , linux-tegra , Linux PM , Linux USB List , linux-staging@lists.linux.dev, linux-spi@vger.kernel.org, linux-pwm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-mmc , Linux Media Mailing List , dri-devel , DTML , linux-clk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org On Thu, 19 Aug 2021 at 15:21, Thierry Reding wrote: > > On Tue, Aug 17, 2021 at 04:27:39AM +0300, Dmitry Osipenko wrote: > > The PWM on Tegra belongs to the core power domain and we're going to > > enable GENPD support for the core domain. Now PWM must be resumed using > > runtime PM API in order to initialize the PWM power state. The PWM clock > > rate must be changed using OPP API that will reconfigure the power domain > > performance state in accordance to the rate. Add runtime PM and OPP > > support to the PWM driver. > > > > Signed-off-by: Dmitry Osipenko > > --- > > drivers/pwm/pwm-tegra.c | 104 ++++++++++++++++++++++++++++++++-------- > > 1 file changed, 85 insertions(+), 19 deletions(-) > > Can this be safely applied independently of the rest of the series, or > are there any dependencies on earlier patches? Just to make sure we don't rush something in, I would rather withhold all runtime PM related patches in the series, until we have agreed on how to fix the in genpd/opp core parts. Simply, because those may very well affect the deployments in the drivers. > > Thierry Kind regards Uffe