Received: by 10.223.185.116 with SMTP id b49csp6806935wrg; Wed, 28 Feb 2018 16:15:29 -0800 (PST) X-Google-Smtp-Source: AH8x227FxBewyUz90EqzBPdh0Xn/+DqaE1RUDSJPuzLG5hIXTUTBbgN+4p6F8aONcyEOYFVnx3WZ X-Received: by 2002:a17:902:aa8d:: with SMTP id d13-v6mr19672981plr.114.1519863329781; Wed, 28 Feb 2018 16:15:29 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519863329; cv=none; d=google.com; s=arc-20160816; b=Iq0vvnroUYRnC2YfCNnCiREgUbTRFLJldlO+mzM/JgYbAlmkBo5cixK1qXpOtSQv+U XEIGkTsB937dIbJtZMi6DHGpxBPsNAWid9xHIQlXWuD1D+73QiCj67y3Po7NPAFWV8GW tlAUCQAg7PCt36EwSoS0CGgbRjJh0mBT+kLz6MKXs1+Kq4Wl1Kn3MBSXr8EgD+rivl5y Wh9KPi4lb+1v/+W+VNxi8ueGSIpvvUpGdyCKQM+vABVWy6a6pOwv6/IRLhXm15TfLjaM rDHXoFjaPUGkON3cdffXc8HyKrr+pSsF7H3qpTnkZLPZ2AqbmyN16xJSbTgIpF76USiO tQGA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dmarc-filter:arc-authentication-results; bh=5qyRf6w0tUyl+TliuEo8XFRztrSiX5bUFj4aHlLSFNU=; b=FqUjFsSLZmQ3inaMavwNuip6BYvrEZuED4lFy6C9M5V8GS+7eUx8rKeQ+nioCMnGyf LqGWUNpl09AMa5qmErcdHBWQpemJj700v0Ze9mY0EN3iRhrciRDfEg/6EensKsauYNYw vGkA+FeoIwSx/Z9q37OstItO3bbryT/j9MTVeTn13dUx8HGREPAzeBSQNyc/KTrnMHI/ slEE+RAuxtzjq4iy6TgXxOvjzLa363g+00BdVPPJuDW4xD90Gr0ycUMMn6rM/kt+IOQJ 2fC/TdeQNlFpXSa45JFEqIZEtUspk4hxt4+bW8qVNtw4noxVxytVEvLJzFCcVKz4aZDs ENtw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u7si1655190pgq.796.2018.02.28.16.15.14; Wed, 28 Feb 2018 16:15:29 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965295AbeCAAOf (ORCPT + 99 others); Wed, 28 Feb 2018 19:14:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:37528 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965144AbeCAAOc (ORCPT ); Wed, 28 Feb 2018 19:14:32 -0500 Received: from dragon (unknown [45.56.152.128]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 62B7721748; Thu, 1 Mar 2018 00:14:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 62B7721748 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=shawnguo@kernel.org Date: Thu, 1 Mar 2018 08:14:08 +0800 From: Shawn Guo To: Anson Huang Cc: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, sboyd@codeaurora.org, mturquette@baylibre.com, fabio.estevam@nxp.com, kernel@pengutronix.de Subject: Re: [PATCH] clk: imx: imx7d: correct video pll clock tree Message-ID: <20180301001407.GM3217@dragon> References: <1514999361-2723-1-git-send-email-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1514999361-2723-1-git-send-email-Anson.Huang@nxp.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 04, 2018 at 01:09:21AM +0800, Anson Huang wrote: > There is a test divider and post divider in video PLL, > test divider is placed before post divider, all clocks > that can select parent from video PLL should be from > post divider, NOT from pll_video_main, below are > clock tree dump before and after this patch: > > Before: > pll_video_main > pll_video_main_bypass > pll_video_main_clk > lcdif_pixel_src > lcdif_pixel_cg > lcdif_pixel_pre_div > lcdif_pixel_post_div > lcdif_pixel_root_clk > After: > pll_video_main > pll_video_main_bypass > pll_video_main_clk > pll_video_test_div > pll_video_post_div > lcdif_pixel_src > lcdif_pixel_cg > lcdif_pixel_pre_div > lcdif_pixel_post_div > lcdif_pixel_root_clk > > Signed-off-by: Anson Huang Applied, thanks.