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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 796A2C0650F for ; Thu, 8 Aug 2019 21:19:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B5392166E for ; Thu, 8 Aug 2019 21:19:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="yVsG+UlR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390191AbfHHVS7 (ORCPT ); Thu, 8 Aug 2019 17:18:59 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:43259 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728020AbfHHVS7 (ORCPT ); Thu, 8 Aug 2019 17:18:59 -0400 Received: by mail-pg1-f194.google.com with SMTP id r26so8751120pgl.10 for ; Thu, 08 Aug 2019 14:18:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=vwaIEfS1FAZl0r/hGbrJVWd7+Oh098wPSMDgW6Rp92k=; b=yVsG+UlRQMtUxQczwRr+tGNXUpgb5JuGIZ9Hfs14iduOWR4txHlXpZxwWUtDpHEICM 0MfbhxhGzwCJYtqk5hFjfeD7f431qxlD05AvrQtalNSTduDiqTXEzg9UGnLeuDvICMHA amsVyPWg0D2y/C8YKdGFbHSa+zooR1bVvWW6htALbJFbSc6XmTp7bdV5UlaBBO7BnVib Dw7ZdWKCoPW25wvAOjSzgAlahac71LGMqXF2ZndJhZxbF2KxWBMg6tW8x75BCxGLlWci qvlzvbM2kfW6rShIo0jnFME52p2//RFT4yhtncWCGiQOIjt9x5fflNeS7IbAM10OkQf+ hL4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=vwaIEfS1FAZl0r/hGbrJVWd7+Oh098wPSMDgW6Rp92k=; b=gJFmYAmlfsIAX0v7/0uvm4hcBjQ7PjUg6bmt0m/ogZrWOPjP0l2xMSibyHsfoBaML/ qV0VPUyazxYhe3Nq+oTpkrJDFRBkRmkTeN38amzySAnsPXzSZCuhyKc64UkCyl8S/VW1 xEQHEYd1HrMDO9iVE5WsVPBMmPig/AFlC9YlTjAiwJV7YL5XFtdL9vW5N/taWO7jnjsM xnSvveanw6B1oSARWH7LjE7limjQLtHVCpFb6dTur1BV564aplQgsKNZDcKqfBR7OMJq 94/CYc/rlIVU+uPgc3UehCLjmqaUVoV43R99Rc22zb1xkIGOMgfUw4wCEH6cHeNNAhQL ErVA== X-Gm-Message-State: APjAAAXzdOIMQMAk+0SmTFLxswbXUJphXyiZC3b36JGAsI87aMpO8PLZ qrL+OKNfgrWpba2n9FdnEjekIw== X-Google-Smtp-Source: APXvYqyy4N7d0TMp06csDZZcZzQG4KzhyFYusr8lIgCgQLzqwyDXrb7dFwjXWCDy+6BWpdpaIBvNUw== X-Received: by 2002:aa7:8705:: with SMTP id b5mr18439724pfo.27.1565299138091; Thu, 08 Aug 2019 14:18:58 -0700 (PDT) Received: from localhost (c-71-197-186-152.hsd1.wa.comcast.net. [71.197.186.152]) by smtp.gmail.com with ESMTPSA id s5sm79644816pfm.97.2019.08.08.14.18.57 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 08 Aug 2019 14:18:57 -0700 (PDT) From: Kevin Hilman To: Neil Armstrong , sboyd@kernel.org, jbrunet@baylibre.com Cc: Neil Armstrong , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2 0/4] clk: meson: g12a: add support for DVFS In-Reply-To: <20190731084019.8451-1-narmstrong@baylibre.com> References: <20190731084019.8451-1-narmstrong@baylibre.com> Date: Thu, 08 Aug 2019 14:18:56 -0700 Message-ID: <7hzhkje4ov.fsf@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Neil Armstrong writes: > The G12A/G12B Socs embeds a specific clock tree for each CPU cluster : > cpu_clk / cpub_clk > | \- cpu_clk_dyn > | | \- cpu_clk_premux0 > | | |- cpu_clk_postmux0 > | | | |- cpu_clk_dyn0_div > | | | \- xtal/fclk_div2/fclk_div3 > | | \- xtal/fclk_div2/fclk_div3 > | \- cpu_clk_premux1 > | |- cpu_clk_postmux1 > | | |- cpu_clk_dyn1_div > | | \- xtal/fclk_div2/fclk_div3 > | \- xtal/fclk_div2/fclk_div3 > \ sys_pll / sys1_pll > > This patchset adds notifiers on cpu_clk / cpub_clk, cpu_clk_dyn, > cpu_clk_premux0 and sys_pll / sys1_pll to permit change frequency of > the CPU clock in a safe way as recommended by the vendor Documentation > and reference code. > > This patchset : > - introduces needed core and meson clk changes > - adds the clock notifiers > > Dependencies: > - None nit: this doesn't apply to v5.3-rc, but appears to apply on clk-meson/v5.4/drivers, so it appears to be dependent on the cleanups from Alex. Kevin