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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS 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 E7579C433DF for ; Wed, 27 May 2020 06:41:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C59BE20787 for ; Wed, 27 May 2020 06:41:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590561699; bh=aV8A8sLjaDOj/7AanTn0RtlrOOIqsNKRPjRHYtq5vE0=; h=In-Reply-To:References:Subject:From:Cc:To:Date:List-ID:From; b=ZFteWKDfw7gh72c8Z5uZX8LF2UrRN8ze2Xd2xLPk6XtTqT1R6ycTnFc5/OBLmi9CA 4kzmfagOFXCxuCBPb2FRz05ZBSlsjKuaS/JUTmDFLpUAzN4xjwAh2iRqDRZhTabVfP YyshiABqh3vs66BvjlUqOFWmWkg5HJRyyulNK1EA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728729AbgE0Glj (ORCPT ); Wed, 27 May 2020 02:41:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:58290 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725613AbgE0Gli (ORCPT ); Wed, 27 May 2020 02:41:38 -0400 Received: from kernel.org (unknown [104.132.0.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 49DA920776; Wed, 27 May 2020 06:41:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590561698; bh=aV8A8sLjaDOj/7AanTn0RtlrOOIqsNKRPjRHYtq5vE0=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=o2RaZcvLGicVzdZAfBKYyCE0fgf5suFvdUtUTwKyZ7ckeSIcUDkYS9LY7YIwgBIxD HUEfkBOEtQbsQUFQFiIMPyyA/6q4t89VaDVJPT0YyS8qLgImWsmCfqdHiP3OF0AvFA 4ZAQGOB94XhgaH13WSXjll1GEF9o0BqY4Toy5CJ8= Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20200527053638.31439-2-zhang.lyra@gmail.com> References: <20200527053638.31439-1-zhang.lyra@gmail.com> <20200527053638.31439-2-zhang.lyra@gmail.com> Subject: Re: [RESEND PATCH v2 1/4] clk: sprd: check its parent status before reading gate clock From: Stephen Boyd Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Orson Zhai , Baolin Wang , Chunyan Zhang , Chunyan Zhang To: Chunyan Zhang Date: Tue, 26 May 2020 23:41:37 -0700 Message-ID: <159056169760.88029.12084641394538099454@swboyd.mtv.corp.google.com> User-Agent: alot/0.9 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Chunyan Zhang (2020-05-26 22:36:35) > From: Chunyan Zhang >=20 > Some clocks only can be accessed if their parent is enabled. mipi_csi_xx > clocks on SC9863A are an examples. We have to ensure the parent clock is > enabled when reading those clocks. >=20 > Signed-off-by: Chunyan Zhang > --- Applied to clk-next