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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4ABFFC636CC for ; Thu, 16 Feb 2023 01:47:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229513AbjBPBr4 (ORCPT ); Wed, 15 Feb 2023 20:47:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229504AbjBPBrz (ORCPT ); Wed, 15 Feb 2023 20:47:55 -0500 Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05on2048.outbound.protection.outlook.com [40.107.20.48]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BC4815563; Wed, 15 Feb 2023 17:47:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=EalP5pqOlmbfSsu2XpAuXnjfMTri9A6KnX1pLiBeIoEHpVX5B0nl/p+n4+vOA5ap6Da4rZW1PqpFbaVL5xtQAPURqaBqJhyIQJ2wenK9WA4ilaKI4uhokFPdJau93zDZ8RQblF9kSRJIEBSr0Hu7XQQz9plbejwvENTm+7gsM12UoW6G5L8Ox7vneEUVC+TmO3ZjMRnCciFgVpOpHx8SRvKrSyQSxxn5A89sISq1LCZMriu5WTC7rxa6XsLW3Rmd5zP0E+tdGfsotizacgmf3su4jje/G8usEc2ZFSG1Pld8dz3YsMeFo4/UX97IBC96boQXLnR0D+PlMOs3diDRCQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=kFnVm03DSvePv6PLEtDPJQ6Wnqga1oNpC4WY/nURcGI=; b=l+k0teKHy65c7wum+E/5Wr4Em4e4AvcnTf9Dzq0Zx1rMplqvokoe1pROGeKmcDJxRkXPTpq1mrIeiH1OcQakQy0aRZVtB3d+sQA3BksH9u8PNsVTnr4u8E8f6KobbWYFvEMgMbDEZQp85oC8HPj/61SvleHuJfU1WuQ/dY8Eo5Dv2VSSfUh1+6Cb+Vjqg/lf8qz+ljJVIgRMwEfzsj/mKB4JTq7kFydXF+KxfT0zeGIDTd0bttjdi3g+Tvkm1pqwmFY56sstyasiJbX4fP2a3ZLLSTNw0SwA8063PrS03GDWI3wH9WCQ6SjQIwtue1NDRwNI0NfsaGk/UFj08QkM+A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector2-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=kFnVm03DSvePv6PLEtDPJQ6Wnqga1oNpC4WY/nURcGI=; b=F/BzkTBQIF+2Cqn/qgFmII4j6D8HxspK0Vo05T4ixQ0i8/9A/DbyzN4eAlyXvzWBPwcvY+0gEhCuzOySY/3eyv12UrJeoFppQdRbz++Mw8u1OW6yP+jxDPPjOoBH6xyM+VaJQWv51xgD1GIGlI32iI/M3sCTyurNAZ21CrddpJk= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by AM0PR04MB7140.eurprd04.prod.outlook.com (2603:10a6:208:192::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6111.12; Thu, 16 Feb 2023 01:47:50 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::f55a:cf12:da08:6d2a]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::f55a:cf12:da08:6d2a%3]) with mapi id 15.20.6086.022; Thu, 16 Feb 2023 01:47:49 +0000 Message-ID: Date: Thu, 16 Feb 2023 09:47:33 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.0 Subject: Re: [PATCH 1/3] [RFC] PM: domains: Introduce .power_pre/post_on/off callbacks Content-Language: en-US To: Ulf Hansson Cc: Lucas Stach , Marek Vasut , linux-pm@vger.kernel.org, Adam Ford , Fabio Estevam , Greg Kroah-Hartman , Jacky Bai , Kevin Hilman , Laurent Pinchart , Len Brown , Liam Girdwood , Mark Brown , Martin Kepplinger , Pavel Machek , Peng Fan , Pengutronix Kernel Team , Philipp Zabel , "Rafael J . Wysocki" , Sascha Hauer , Shawn Guo , Shengjiu Wang , Stephen Boyd , linux-clk@vger.kernel.org, linux-imx@nxp.com, Stephen Boyd References: <20221108013517.749665-1-marex@denx.de> <52578b45-cf4c-e949-b2b1-a0f251815337@denx.de> <6d1f2a1a-437e-01b7-cf25-af1a09ce7f3f@oss.nxp.com> From: Peng Fan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SI2PR02CA0053.apcprd02.prod.outlook.com (2603:1096:4:196::16) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9417:EE_|AM0PR04MB7140:EE_ X-MS-Office365-Filtering-Correlation-Id: 4954655f-eeab-446c-a1a7-08db0fbfcf30 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: qKSlqewa4qpQ3u1kYn/7PbCwQM5C++CI5P9/YitEmkL9m2Bksag446mib+hZL5Bc7kM9HxoNQC52V+OtoJODSOHGorJiw4HL9KcQFgkLkzoVbaSqrR2W6r8foQ7meVU12U6ZF/luDlRhvkzd04VN2gQlTz9AxF/L5vdQ3Cjf59zqu2WHVDCfzM8IZ1rFHZsfu8XeHGibFvn8OAOnxEcfXKSFoB5ZC6N2KBk4URaIVeyGgQWb9XLb8cZG1JAOKE0jiY8kClHB9wGSCE7aA/csLTxiiGIhxMfJWkUb7HC14FPBdj3/33yJTm7nWpHrVg8cMETAyYRoIMxqNl0gcS1K+3iw8FUrha8dDjcpYkn7A7Z/88yiBQAsuzo6fTJxeWIn/+kvoFgvLsKcvjsUhDlNuicTaJS02GiR08+0xzQYnvztVsKkRvRsHb831LQFYNoyHYQZH9CDNacQY1PlcALOemDrsqEQBUV4g4ExoV0Tn0+WCPxvbGHV6GU4Yhx5UnWZe++Fo2Z5mHjnIM27CkZJh4i4+m7nrF3+Z1oqt4dscK1LwNq/KWU56uFFV/kV81yWd3VdcuEwaO5y5hjlpeF64G/PQPzu1iJpdhDR2BpNAMKtImYi8kbWOBtpZ+xInurxbOig8DTM5GMbq2V/8eOQWANAq+zA1YVfvd2EUmEmB0pgKFhg4ggjQN1mlMetP1cboOUZ+tbOjnWDnde8dbHYWYX9KiggHbTIRdrTbXoDZD7LsaCEOPuc+9TRM+Ml9yGZ4hGMhRCo/+WqFLlj3zcs0w== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DU0PR04MB9417.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(4636009)(346002)(376002)(366004)(136003)(396003)(39860400002)(451199018)(31686004)(66476007)(4326008)(8676002)(6486002)(316002)(54906003)(8936002)(7416002)(66556008)(66946007)(44832011)(41300700001)(5660300002)(6916009)(31696002)(86362001)(52116002)(478600001)(6666004)(6506007)(53546011)(186003)(6512007)(26005)(2616005)(4744005)(2906002)(38100700002)(38350700002)(83380400001)(142923001)(43740500002)(45980500001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?eEdiUnEwQ3pZTGtVR0l1RXdkSVduNjU5ZkpXWFlxL0RLTVRqekhCT0JYTEZX?= =?utf-8?B?Y0NJMTZHTHZFMUhnWkFyWk1NS29XY2Y0T09mWUM4QjFKQ3BvWVFNRFd1MVhv?= =?utf-8?B?ZzNJNGtyY1NsYlRDR0wxN0liU0c0YWlQRHhJWVJqdU9lUDlaRC9abWlVRGxL?= =?utf-8?B?bm0vSXJlODBvWk96Snlqcy9pOUp1VHo1b3ZaM2N4cTdBYlQxb1dsZU5LN2Q1?= =?utf-8?B?REhlY05PN21KTCt1L09jQjhNdk9wc2dFNTloN1JvVDNRL0ZMMHBNYXdaZmJs?= =?utf-8?B?cWJEeTF4REJYTTFsaUVwZzVvandzVWhEQmlZZVp3bG84WDQvQUdib2RGZmVy?= =?utf-8?B?NEwzYUQrMms4dEc5dS9IMVhXY0N4TEkxWHh5NnBWUFJ4dmFHSGRwMVovT2Nn?= =?utf-8?B?QTdKZ0xiZDVoZm53bU1xZTQvTE1FOGU5Q2xpRmplQWV0SmFQZ2x5N0JuZWYv?= =?utf-8?B?Zk9rc01CMHRmbmlla0xBZmZFZGxGZGJ1VFlUZWxLNk1WOW5xaVIvSUZXaXpr?= =?utf-8?B?MTRtRTBrbGpuaGczZWJlbHdIbmw1YzUxUGgzcmE0eHpreXgvekJla2FHUHpq?= =?utf-8?B?cFJkNTBsMWNpUmFsM2E3b0xDTGhqNExPeVkrSm9IS253NDI1dGd5Znl2ZStx?= =?utf-8?B?U3JrY1J5eXRmNWdaUVU2d0dVQUV4U1FwUngwelBvUGdzQUNib1RKUm1Uc1A1?= =?utf-8?B?clJaZGVJR1hCT0IwMElFQXhSaVpFcjRndzZ0Vmw1MHBjMDduMS9oVVRITFRD?= =?utf-8?B?T0RsdEJvRU53bHFVQ25NTHNaNzJveXAwTUpVTjZCdjBrVkxDR2VBazdDQ3ZY?= =?utf-8?B?b1VxRGY2bDl2T3NoOC9vZnk2M2Z6S3NLb0JYWmhJOC8vckN1WTh4SzZwV0ZQ?= =?utf-8?B?WUZyb2EvUEtKcnZML0VQNUNKSGRTSzZSUXorWFJxcG1YdzZ3Mjk4RGRWanUx?= =?utf-8?B?Y3EwVyt5SUZVVkdwUnpuM3ZIcFM0b0YyUzg0SkkxdUJFS1JOSUtPSzhOUXps?= =?utf-8?B?aHNsT0RaSzR5KzA1VTBIWWpEdFp3dUhtVjlWT1pSeGYrblRBUW5xeHFEOTJy?= =?utf-8?B?cysxVDJtUyttVUdTSlZYZEl1TktSalJTTUVMellUempkQ2lYOGt2SFZqcHkr?= =?utf-8?B?SmtHNE5tcnRPQ2h5Y3NDaHVnWHAxVDdPaGliejd1RHVML2RYZ2JmVnlpbWx0?= =?utf-8?B?Rk1CMHc2QTBMTCtTbEdKMmFuSCsxcjNBMG55TTJVVEhZYjhSTG8rSVFvZXYx?= =?utf-8?B?VGo1MU1tQzJDR1Y2NzA1RytMc2VKdlJ4S3lURWl6UW02YVVrYnZ0dnI0djdR?= =?utf-8?B?Y21rN3BGUFVhR3A4cGFLZEpNSkM0OXlUZlBzRTNDNGtIN1lNL0tHMFpreFph?= =?utf-8?B?NXpaa3N0aWE2SlBPQlFZUWpWc3YyWnNzaGtHRVowbHZOeEZYdmpiZjVYRUwz?= =?utf-8?B?SzZWZ05ZWmVEc3ZIRTlsaVltaUllWnRHR1JUK3FFN2JzeG5aMXIwWGdMYnZY?= =?utf-8?B?YUJPU1Y5NmJNKytiM3h1Mk1HQ2hWTXdLRkxXTXhzYTVNazl5c3p0OTk4OWxW?= =?utf-8?B?WVlGTnAwNzkybzFFTERLYWZFdnVja2RLVDQ2ajROdkFyYkpyRmFXM0dmcC9B?= =?utf-8?B?azhBdTI3YjRGc05mU2FDTmYyenJ6Ky8zZ0RSNHp5YXRvamlUd3JDclh5YlFM?= =?utf-8?B?dzg0bDIyUzZ5TnhWVjlQcDlKc2xRRW93bDEyUVRDM25ISWI5UTBEcWJJcWFL?= =?utf-8?B?cDZPeVNtWm01aVhnaE16VllPSVR4UmVHamJ2TVRpWnNIVlBrSDVrUzRBeERi?= =?utf-8?B?R3l6dGc0UHJ1NHFQUDczWVAvdFJpOG1CbHpqZFVtSU5Held3UTZBMmhkeTc5?= =?utf-8?B?QnZVaFA5bm9MUEdYbmVyRzBOVE9xazk3SXgvY2dnbXhidzlkeERZSWkvajll?= =?utf-8?B?WFhqQkJPZmJLbjRwVXEvbjhxbTkweXJPb1NEcTBjYTJTTjNNQng1N1lrNzRI?= =?utf-8?B?LzlwYmU3ZkZNcktZTTAxYjh2aHJjSTFpaloyYjNiOFRoQXoyUjVUemxVZ0tv?= =?utf-8?B?c2VaS0dQNzJqUS8xN0FwSXZmRHlDV3FGSTRidTFiZDVlbnphUllOQzNoVkdV?= =?utf-8?Q?n5XR0El1JfdmAfrCghVZ450ma?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4954655f-eeab-446c-a1a7-08db0fbfcf30 X-MS-Exchange-CrossTenant-AuthSource: DU0PR04MB9417.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Feb 2023 01:47:49.7609 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ReMYpWWYayA7SgL1gBxKhtuIMdwPfYCbK3ghw7bSbtHwwGiETKFsZKOIVpl/lsGBx945iYGpRudtWnmhSuVBmw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB7140 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hi Ulf, On 1/18/2023 8:55 PM, Ulf Hansson wrote: ... >> >> Honestly I not have idea on how to rework the clk part to avoid holding >> the clk-prepare lock when power on the phy and its power domain. > > I understand. Let me try to prepare a hackish patch that we can use to > run some tests. > > Unfortunately, I can't make any promises for when, but I will do my best. > Have you got time to give a look on this part? Or do you have any suggestions that I could help with? Thanks, Peng. >> >> [1]https://github.com/nxp-imx/linux-imx/commit/c85126180a10439a8c7db1800529b4857d91c609 >> >> Thanks, >> Peng. >>> >>> Kind regards >>> Uffe > > Kind regards > Uffe