Received: by 2002:a25:ef43:0:0:0:0:0 with SMTP id w3csp596775ybm; Wed, 27 May 2020 03:21:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyGXuAeJgqAO24zgikrEKtM9vxH6bkygB8vyuWa90iN+tFDofh0e9h8vn46NSPa7E57Re+2 X-Received: by 2002:a50:ace4:: with SMTP id x91mr23200281edc.361.1590574875461; Wed, 27 May 2020 03:21:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590574875; cv=none; d=google.com; s=arc-20160816; b=Yn66/IGD3WnX6s7HaVYUJysEpV10AfGVrfFxUjAnKSmhOS0ZYU5agcl2th3Tae/2VS GjEIOxtyoaHliTC0cdUmw5aLU9CP0kRqAvmqoybPeMMKgeigm1Dlh7KMOUDvwZbUk2XQ 5mPtJvQ8lkAwEqByFzFR+vPPddczoExHE5lN7cHIixmVZHU1pW/AnyuEulpTS5NhPpBc 2jTajRTYNJ66BQdH85UOcLDF24V/wI9Ty7NlfPVt0Pe1aaYi6HidBhKEnm5dNVNbhi4j XwlJKnSMhpsYQUAFQSurxdeIC5sAFE9sIQU2xaxyEDlMqDexx/tTq8J72pt2Mg4xMdQa bkgg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:message-id:date:to:cc:from :subject:references:in-reply-to:content-transfer-encoding :mime-version:dkim-signature; bh=aV8A8sLjaDOj/7AanTn0RtlrOOIqsNKRPjRHYtq5vE0=; b=Q+f7ci1FBJug7DbSn+Gb1BuW8hs1YTwhIaOTNQevfmFSvuftLf1c9YJJzMnRWWaZ4o 90tIIB9WYOEp128DfWQObcBiqnZRw126mg24awwVsK9qg04uAcMxvH0iPXFGGGkIJT+O aWzUvWGE31dOHLwP2VLW2DXMzHXfOOyGMwhMALDnzlrzD0zuv1gKpQCHbdj9vOPYWKqS 84QDPvvr6OsCtviEI3vauLmeli58Hvu5idAxtpxcNlhsCLRdB7MhFQQGPY5DE+xohlN1 AZ5ZcLtkNrQOPJjZAF34Ub3DQlwaUzNSqATPj8t2SQ6W3kcx2SYiyB2DFQ/a54S+n+Zp nj3g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=o2RaZcvL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f15si1716587ejd.359.2020.05.27.03.20.52; Wed, 27 May 2020 03:21:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=o2RaZcvL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728707AbgE0Glj (ORCPT + 99 others); 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