Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp5987196ybe; Tue, 10 Sep 2019 11:47:08 -0700 (PDT) X-Google-Smtp-Source: APXvYqy+eO3hOr1zMeIycXZHyhPq0sJ/gO4VMLb8/gMQbRKekx4WjWqITwFjyoIlgnJQzZ7PIH7h X-Received: by 2002:aa7:d2c1:: with SMTP id k1mr32395859edr.245.1568141228569; Tue, 10 Sep 2019 11:47:08 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1568141228; cv=pass; d=google.com; s=arc-20160816; b=yn4X9Q29fCuqYjy963GYbMgq8SvObxttkqJhnDeJhb9YlialSDYV3pbpe3DcbUrfa4 qzeJ0aZOD5dptuhA43/GkTZOQQlSoWvIRMvaLBxRAOaa6Myn+H3XG46FN3/G1hXPKz77 ZXaj4vngFWyBKxOhN0lLTch6IfUEYHVQktUOw+XHQnBoudZkXoYOceTrMzUzaYQltQdW TqBBszuSGoPrX1rSCiYhcw+aeWB15gqt8i/w58grUHnidW2NssuW8EEmDGQS0VYCgBNR iMw/9/w6Joommtkw7bvcL959Tc6T08D39Hnd2M/UyjpeRNdBt42CJWYYHp3hJjmJ92E+ F8eg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:dkim-signature; bh=93C4EF6p9yjCol0Pwl/5OV6PN6Rv53cVVcsuP2uFuMs=; b=x1/csRZrO5SD44mWHAi98JnUnBYQXdqoFjYM9zfA+YT8VJ3H6zzCYGBtLpJxdNzRwj WY35RN31Qy8ShzJssoYlcUGnd7LXQmB3iyV7VIqdrBair3R1NG0KJ5zaAcHl4uYUIZZn KjjBadRWURqDf3afwj+y1dto7z2ieCCTCfZ2V7StvU9RrLedARUhj193nZT2sf93z02Y C048dm1ckzuWtPVEs3PFUeL+tkPQa5cY+pFGR8kUnl2ba7O/UTGqlkLlkjZeGgVXP4QC 3U+5SG7ScQaoJe58sbhj1dOHZ0BgphUK+GMKoa2vauVg/w8aTxZkvpvFHTqVrLFZJPoz bFBw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@nxp.com header.s=selector2 header.b=Gvjb6lxg; arc=pass (i=1 spf=pass spfdomain=nxp.com dkim=pass dkdomain=nxp.com dmarc=pass fromdomain=nxp.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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id pw24si9728186ejb.293.2019.09.10.11.46.44; Tue, 10 Sep 2019 11:47:08 -0700 (PDT) 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; dkim=pass header.i=@nxp.com header.s=selector2 header.b=Gvjb6lxg; arc=pass (i=1 spf=pass spfdomain=nxp.com dkim=pass dkdomain=nxp.com dmarc=pass fromdomain=nxp.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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389687AbfIJCsF (ORCPT + 99 others); Mon, 9 Sep 2019 22:48:05 -0400 Received: from mail-eopbgr40069.outbound.protection.outlook.com ([40.107.4.69]:28847 "EHLO EUR03-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728749AbfIJCsE (ORCPT ); Mon, 9 Sep 2019 22:48:04 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=CXqQpO26SoHspM4ugLIzXrWTZnCCCCLAxN7rYwLMbRKQ1SgxbMuf2ikDivsRR05T915qhkihHNpXagUqSumrvM/I5rvzkiDEjnJUzsDAEXSFaH2ynQ82nsqckITXpYX5SDHAtBs1XzOfmaZ/A+JzYI/eczyC3zJjyZ8dve0enr4aP7AUioWHyHk8qSXhMbPIXM2pM1W9OU/MjJ4zZF0d8Pib9MiblaLAuAR3cASRyS1mF2QXQP4rFi9kvA8Zz3gyE/nUHazS1OkDfJWsJDJ6x9ppaFVJ5zs672aAtTupXDgaVOCySSE/qoVXXonvsBFL16pYP5Gd0YJ0KebqMZvMkw== 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-SenderADCheck; bh=93C4EF6p9yjCol0Pwl/5OV6PN6Rv53cVVcsuP2uFuMs=; b=lBr3kDcULnr9slFee0ebW6jjN2OWE3GsD7z5Y9425AH+x1cSjgpHXPQeRYsaUhHscVKLv3RL01SjUu0H9gvFir/L+Kp96PoN3a43+3II4A4sDZyD461REUpV2SWz9Z78g/tF74ao6y6vr2Uc5M29I0lerTMdCF9XVCrppTk7E8zcun/P2BtXTxBPxon95cCd30QhKkJaWJ/R6UVMsUW+P2wfb/AxEnBTecvDTqNbNqmBpgTXODgs/udj39aGy0pMSHz7MkgEx2TZnvo8ZKNHYjwLXoXjfAchAWlIipw93EyBbSKwFt0ssbzdCxpanaTbR6pWqNX2+PwIUt55Q/zU8g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=93C4EF6p9yjCol0Pwl/5OV6PN6Rv53cVVcsuP2uFuMs=; b=Gvjb6lxgxN9gOoU/MnX/MzTPRdUB0AW1mZiYe7SsMHXackXoi+J7ANVXWk+AabpA3yzKZIvozUxOI1P71W1j6f+tXGRu1Y6LgxwZM/4ChTwtAIkOFPtSb/7rQ70HWd6lKqWwkpW17YuoyeYG+hTizxzowNxgsjT53DHvIU7I+mA= Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com (52.134.72.18) by DB3PR0402MB3931.eurprd04.prod.outlook.com (52.134.65.153) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2241.15; Tue, 10 Sep 2019 02:47:59 +0000 Received: from DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::8958:299c:bc54:2a38]) by DB3PR0402MB3916.eurprd04.prod.outlook.com ([fe80::8958:299c:bc54:2a38%7]) with mapi id 15.20.2241.018; Tue, 10 Sep 2019 02:47:59 +0000 From: Anson Huang To: Dong Aisheng , Stephen Boyd , Peng Fan CC: "festevam@gmail.com" , "mturquette@baylibre.com" , "s.hauer@pengutronix.de" , "shawnguo@kernel.org" , Aisheng Dong , Peng Fan , "kernel@pengutronix.de" , dl-linux-imx , Jacky Bai , Abel Vesa , "linux-clk@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] clk: imx: lpcg: write twice when writing lpcg regs Thread-Topic: [PATCH] clk: imx: lpcg: write twice when writing lpcg regs Thread-Index: AQHVXK/qRNohGClvt0yC94cqOwkPUKce9XOAgARa7gCAAPmTYA== Date: Tue, 10 Sep 2019 02:47:59 +0000 Message-ID: References: <1566936978-28519-1-git-send-email-peng.fan@nxp.com> <20190906172044.B99FB20838@mail.kernel.org> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 40c0b3e7-865a-4a8b-2aee-08d735994ae8 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020);SRVR:DB3PR0402MB3931; x-ms-traffictypediagnostic: DB3PR0402MB3931:|DB3PR0402MB3931: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-forefront-prvs: 01565FED4C x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(346002)(366004)(136003)(376002)(39860400002)(396003)(199004)(189003)(64756008)(7696005)(11346002)(446003)(71190400001)(71200400001)(110136005)(74316002)(7736002)(478600001)(305945005)(52536014)(14454004)(3846002)(5660300002)(33656002)(6116002)(66066001)(9686003)(66946007)(76116006)(66446008)(6636002)(54906003)(256004)(316002)(6246003)(102836004)(6506007)(53546011)(8676002)(6436002)(86362001)(76176011)(26005)(8936002)(486006)(99286004)(44832011)(66476007)(4326008)(55016002)(186003)(81156014)(81166006)(2906002)(66556008)(229853002)(476003)(53936002)(7416002)(25786009);DIR:OUT;SFP:1101;SCL:1;SRVR:DB3PR0402MB3931;H:DB3PR0402MB3916.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: QcwUnDESFfBUDm4toHS5RvQyN8BgiaZyYFpK+bSdQq7m2E5uiTa8R0twqcnuOlnsfXmboiOvyH4cOUo49ds4HtmKtLPeAwiK8ebdeLMHaq5VId9jYKuED8Jdt+Dx0+/gj2MFtVbEfKHc/MEOegLAYdvlXOyXK7f/9o9OK2h2A7zIZ7zNtgbEraUNGNsYeTA8IvR1trgboH9K9FKh9XWWEzDpRJ3yH02CdpF5uTJEv+OiYayF2AEtur4Olchbprl6hraM2p+BxManG+jMlr/ejgSFpkRHsVyGZo0nh8pgGayrHyJDxPb1eUzYrHv2CWHeEEJW4TSsG18v7Z2Slhvv+VLbUlR9Yl8ujbsRw5Euu5POZR/imBVc5pok6rZzCe7HSXeC4L2SGoe855hHCw1E5whOXJQEyPnBBZ/udO+XpEQ= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 40c0b3e7-865a-4a8b-2aee-08d735994ae8 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Sep 2019 02:47:59.8092 (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: 41aLjU+y76hCUEVKAXE6UlLWtLqGtWcHdu6frcEWAm2sFMhYfjUil/yq3CCXNZrGcZRyJLa0T3Dz4/ty6aAZIQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3931 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCj4gT24gU2F0LCBTZXAgNywgMjAxOSBhdCA5OjQ3IFBNIFN0ZXBoZW4gQm95ZCA8c2JveWRA a2VybmVsLm9yZz4gd3JvdGU6DQo+ID4NCj4gPiBRdW90aW5nIFBlbmcgRmFuICgyMDE5LTA4LTI3 IDAxOjE3OjUwKQ0KPiA+ID4gRnJvbTogUGVuZyBGYW4gPHBlbmcuZmFuQG54cC5jb20+DQo+ID4g Pg0KPiA+ID4gVGhlcmUgaXMgaGFyZHdhcmUgaXNzdWUgdGhhdDoNCj4gPiA+IFRoZSBvdXRwdXQg Y2xvY2sgdGhlIExQQ0cgY2VsbCB3aWxsIG5vdCB0dXJuIGJhY2sgb24gYXMgZXhwZWN0ZWQsDQo+ ID4gPiBldmVuIHRob3VnaCBhIHJlYWQgb2YgdGhlIElQRyByZWdpc3RlcnMgaW4gdGhlIExQQ0cg aW5kaWNhdGVzIHRoYXQNCj4gPiA+IHRoZSBjbG9jayBzaG91bGQgYmUgZW5hYmxlZC4NCj4gPiA+ DQo+ID4gPiBUaGUgc29mdHdhcmUgd29ya2Fyb3VuZCBpcyB0byB3cml0ZSB0d2ljZSB0byBlbmFi bGUgdGhlIExQQ0cgY2xvY2sNCj4gPiA+IG91dHB1dC4NCj4gPiA+DQo+ID4gPiBTaWduZWQtb2Zm LWJ5OiBQZW5nIEZhbiA8cGVuZy5mYW5AbnhwLmNvbT4NCj4gPg0KPiA+IERvZXMgdGhpcyBuZWVk IGEgRml4ZXMgdGFnPw0KPiANCj4gTm90IHN1cmUgYXMgaXQncyBub3QgY29kZSBsb2dpYyBpc3N1 ZSBidXQgYSBoYXJkd2FyZSBidWcuDQo+IEFuZCA0LjE5IExUUyBzdGlsbCBoYXZlIG5vdCB0aGlz IGRyaXZlciBzdXBwb3J0Lg0KDQpMb29rcyBsaWtlIHRoZXJlIGlzIGFuIGVycmF0YSBmb3IgdGhp cyBpc3N1ZSwgYW5kIFJhbmphbmkganVzdCBzZW50IGEgcGF0Y2ggZm9yIHJldmlldyBpbnRlcm5h bGx5LA0KDQpCYWNrLXRvLWJhY2sgTFBDRyB3cml0ZXMgY2FuIGJlIGlnbm9yZWQgYnkgdGhlIExQ Q0cgcmVnaXN0ZXIgZHVlIHRvIGEgDQpIVyBidWcuIFRoZSB3cml0ZXMgbmVlZCB0byBiZSBzZXBh cmF0ZWQgYnkgYXRsZWFzdCA0IGN5Y2xlcyBvZiB0aGUgZ2F0ZWQgY2xvY2suDQpUaGUgd29ya2Fy b3VuZCBpcyBpbXBsZW1lbnRlZCBhcyBmb2xsb3dzOg0KMS4gRm9yIGNsb2NrcyBydW5uaW5nIGdy ZWF0ZXIgdGhhbiA1ME1IeiBubyBkZWxheSBpcyByZXF1aXJlZCBhcyB0aGUgDQpkZWxheSBpbiBh Y2Nlc3NpbmcgdGhlIExQQ0cgcmVnaXN0ZXIgaXMgc3VmZmljaWVudC4NCjIuIEZvciBjbG9ja3Mg cnVubmluZyBncmVhdGVyIHRoYW4gMjNNSHosIGEgcmVhZCBmb2xsb3dlZCBieSB0aGUgd3JpdGUg DQp3aWxsIHByb3ZpZGUgdGhlIHN1ZmZpY2llbnQgZGVsYXkuDQozLiBGb3IgY2xvY2tzIHJ1bm5p bmcgYmVsb3cgMjNNSHosIExQQ0cgaXMgbm90IHVzZWQuDQoNCk5lZWQgZG91YmxlIGNoZWNrPw0K DQpBbnNvbi4NCg==