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=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 465D9C2BB85 for ; Tue, 14 Apr 2020 06:57:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25BBF20767 for ; Tue, 14 Apr 2020 06:57:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="lgU7dLDZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406172AbgDNG5g (ORCPT ); Tue, 14 Apr 2020 02:57:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406131AbgDNG5f (ORCPT ); Tue, 14 Apr 2020 02:57:35 -0400 Received: from mail-pf1-x444.google.com (mail-pf1-x444.google.com [IPv6:2607:f8b0:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86496C0A3BDC for ; Mon, 13 Apr 2020 23:57:35 -0700 (PDT) Received: by mail-pf1-x444.google.com with SMTP id b8so5654191pfp.8 for ; Mon, 13 Apr 2020 23:57:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=q2jESVtXxhYH38LYW9tkhMflmHCStmCuPZYYIP7Auok=; b=lgU7dLDZ8GPd6/o+FxoFGW0xrmikpr9pxTDLUBLibyeqY52c52/V07LWzf6RywRgPx mGBr0lzXgLr+eNrQQGaVIdENtypNYRQDn9Tn/mW4E0L47bHx2oVpHXJAI5mREArUxqIa b/ATkvIxN22ECDKbLOxDDC1Qa/mPLLllnA1k4wMeOZeSImuf2kSRLYWC0W5A4dJbziUA H/o9kuft8xCN3F4h6Sqh7h7TahnKSRTsDa5a1HgLHpJ5i20Klq63aM9L9/XWb/EI+GXo 7m2XCuCdlKFoXiF/33tM14AnPy9A++lFhg9VG54Wl+YrkoSn/+Ieiz/QvV5umWkAJEyA RdkQ== 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:user-agent; bh=q2jESVtXxhYH38LYW9tkhMflmHCStmCuPZYYIP7Auok=; b=Is6KqsWMm7V2+koiWS5f0vnx0z3KlIx5rIEgcvdpAsFg/DrSpBFiI61mpb1HDMTflY o7ADULoCIRaT8BCV+qC948PXzNPzjVEoh2F3h07KwW1Giegxvs5HOSgcvM14paYOtvr8 AwKHOxyVGAXNFKoGZrsOzj6v16LVaJXr9RrcsGy9FYBTb0dVQBMVHjSJCBKkC+oOn+5+ u4MjkYH0eFI+CIc8eXbKYYUaj6h9fI3UovbXjhFY+Laje+MxU5FBrMKdswHTOThvwyeJ gJbrm7jtuR5grCfbI/UIfHCniDZi9vhWKtLED/DgEdgNQXoiqqo4v029wklQhI1jfr45 aaGA== X-Gm-Message-State: AGi0Pub/D5PGDCM0kMQGTq3uLD0KAxxw9pFOWKeaO0glQRF60YwIJMsr PGzzzWBLMQjDyKp9AS7TXws8tQ== X-Google-Smtp-Source: APiQypLz/nfBSW1lBv6C3GbzFRvOoPqv/0+vewJdOT2t7iCez7rtRBzCKxhQU28JpU/IUwWN0VWF+g== X-Received: by 2002:a63:140c:: with SMTP id u12mr14135300pgl.243.1586847454873; Mon, 13 Apr 2020 23:57:34 -0700 (PDT) Received: from localhost ([122.171.118.46]) by smtp.gmail.com with ESMTPSA id w5sm10358588pfw.154.2020.04.13.23.57.33 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 Apr 2020 23:57:33 -0700 (PDT) Date: Tue, 14 Apr 2020 12:27:32 +0530 From: Viresh Kumar To: Rajendra Nayak Cc: sboyd@kernel.org, bjorn.andersson@linaro.org, agross@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 01/21] opp: Manage empty OPP tables with clk handle Message-ID: <20200414065732.rwrbiv7ke3kwgeti@vireshk-i7> References: <1586353607-32222-1-git-send-email-rnayak@codeaurora.org> <1586353607-32222-2-git-send-email-rnayak@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1586353607-32222-2-git-send-email-rnayak@codeaurora.org> User-Agent: NeoMutt/20180716-391-311a52 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08-04-20, 19:16, Rajendra Nayak wrote: > With OPP core now supporting DVFS for IO devices, we have instances of > IO devices (same IP block) which require an OPP on some platforms/SoCs > while just needing to scale the clock on some others. > > In order to avoid conditional code in every driver which supports such > devices (to check for availability of OPPs and then deciding to do > either dev_pm_opp_set_rate() or clk_set_rate()) add support to manage > empty OPP tables with a clk handle. > > This makes dev_pm_opp_set_rate() equivalent of a clk_set_rate() for > devices with just a clk and no OPPs specified, and makes > dev_pm_opp_set_rate(0) bail out without throwing an error. > > Signed-off-by: Rajendra Nayak > --- > drivers/opp/core.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) Applied. Thanks. -- viresh