Message ID | 1573629763-18389-3-git-send-email-peng.fan@nxp.com (mailing list archive) |
---|---|
State | Changes Requested, archived |
Headers | show
Return-Path: <SRS0=K/Jc=ZF=vger.kernel.org=linux-clk-owner@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7375A15AB for <patchwork-linux-clk@patchwork.kernel.org>; Wed, 13 Nov 2019 07:25:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49BAD2084F for <patchwork-linux-clk@patchwork.kernel.org>; Wed, 13 Nov 2019 07:25:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="jLoBtTX2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726988AbfKMHY7 (ORCPT <rfc822;patchwork-linux-clk@patchwork.kernel.org>); Wed, 13 Nov 2019 02:24:59 -0500 Received: from mail-eopbgr00077.outbound.protection.outlook.com ([40.107.0.77]:37003 "EHLO EUR02-AM5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725908AbfKMHY5 (ORCPT <rfc822;linux-clk@vger.kernel.org>); Wed, 13 Nov 2019 02:24:57 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=lFE/enU+Om4QHMVAdc6NMp9izpPNEOQgV0NrQeljy3lEebxYlC6MFbfsif0B/U7hfe4LSOGtujul5TPAKW/R/cFgMw6q6x3DrauDqUi01Gjf+CvoJg5p5ypkOKyGoofqazrC+770U08MhL3TaaUVEwuT+R5SbP7ugbek+7Hpm2TlCPkfSptIkZMgojYYO0hyzqxnU07b2rOGHBsTYjrndNliSrMArUlcYF5XdlcBSiQywVwmsRe8ka9/FHxUpDun2A2ftUyjmk5ZuQSdR8EJB37Qqz5awC7fDUmDb4PbQ8thtGq4PHJPlj122MxBHoILVJKrqTJPrWJOnrHBQhd+Cw== 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=RV77L6pAwy8VG3PxPqjjLYulQaVEqevS2utmf1FEiyg=; b=PQNCVA40AvdH9gTMO9uzeIDdiSFn3HQqbAwX+3X6AeWsU94iElUqxJsj0mWdGoHkPHfDuooYjVW66ciq/GzFSNjfIw/6DamYqJnxhojNDogrQjP+4F390R1LpXtPQySacUBYwkBOMAyXYv5bvGAVfV9NmmQTsT6SKsF2uSLrZHA0gK6BtiIfZaGUGMDu1RALkyIH+6wmGpxdFZs8TftyAt78jUrQQxQEuYa1TzNhVWNCbvrbpJuz/wF8uh3otVRFx40GPiUSGx1o/VrF16nkwEBiMaDo84gUeozQSexedEbQPInR21fnurR/25UKfQ0Vtt/RfKiGaO+4wMBKOo2AaA== 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=RV77L6pAwy8VG3PxPqjjLYulQaVEqevS2utmf1FEiyg=; b=jLoBtTX2bX4+3FexxUN7724JYNrDOQ9vCDbPrTa2PV64R/J6RsUUK5xLc3qyXcSUVaGDG2mG/o3G4gMhixiQBf1nEWiUim4asKHSB6U/nOaM9X+721mecXegD5abjwxjGWMswNBK5eibiK7sCN+wNh49fvGjquZyFXtdnWIbwnA= Received: from DB7PR04MB4490.eurprd04.prod.outlook.com (52.135.138.150) by DB7PR04MB4651.eurprd04.prod.outlook.com (52.135.138.161) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2430.22; Wed, 13 Nov 2019 07:24:54 +0000 Received: from DB7PR04MB4490.eurprd04.prod.outlook.com ([fe80::115f:1e4f:9ceb:2a2c]) by DB7PR04MB4490.eurprd04.prod.outlook.com ([fe80::115f:1e4f:9ceb:2a2c%7]) with mapi id 15.20.2430.028; Wed, 13 Nov 2019 07:24:54 +0000 From: Peng Fan <peng.fan@nxp.com> To: "sboyd@kernel.org" <sboyd@kernel.org>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>, "festevam@gmail.com" <festevam@gmail.com>, Abel Vesa <abel.vesa@nxp.com> CC: "kernel@pengutronix.de" <kernel@pengutronix.de>, dl-linux-imx <linux-imx@nxp.com>, Aisheng Dong <aisheng.dong@nxp.com>, "linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Leonard Crestez <leonard.crestez@nxp.com>, Alice Guo <alice.guo@nxp.com>, Peng Fan <peng.fan@nxp.com>, Will Deacon <will@kernel.org> Subject: [PATCH 2/2] clk: imx: pll14xx: use readl to force write completed Thread-Topic: [PATCH 2/2] clk: imx: pll14xx: use readl to force write completed Thread-Index: AQHVmfNxsbVsC4dvu0eM4eyT9DyAhQ== Date: Wed, 13 Nov 2019 07:24:54 +0000 Message-ID: <1573629763-18389-3-git-send-email-peng.fan@nxp.com> References: <1573629763-18389-1-git-send-email-peng.fan@nxp.com> In-Reply-To: <1573629763-18389-1-git-send-email-peng.fan@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2PR02CA0169.apcprd02.prod.outlook.com (2603:1096:201:1f::29) To DB7PR04MB4490.eurprd04.prod.outlook.com (2603:10a6:5:36::22) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.66] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: f3d0c28f-59f8-4c68-17ad-08d7680a93e8 x-ms-traffictypediagnostic: DB7PR04MB4651:|DB7PR04MB4651: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: <DB7PR04MB46514EC43A119C21775E60CA88760@DB7PR04MB4651.eurprd04.prod.outlook.com> x-ms-oob-tlc-oobclassifiers: OLM:1079; x-forefront-prvs: 0220D4B98D x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(376002)(366004)(136003)(396003)(39860400002)(346002)(199004)(189003)(54906003)(81156014)(81166006)(44832011)(8676002)(76176011)(50226002)(256004)(186003)(52116002)(6636002)(6486002)(66066001)(486006)(110136005)(2906002)(8936002)(36756003)(6436002)(316002)(478600001)(6512007)(7736002)(305945005)(71200400001)(2616005)(386003)(11346002)(102836004)(71190400001)(446003)(2501003)(6506007)(26005)(14454004)(476003)(4744005)(5660300002)(66476007)(66556008)(64756008)(66446008)(86362001)(25786009)(6116002)(66946007)(3846002)(99286004)(2201001)(4326008);DIR:OUT;SFP:1101;SCL:1;SRVR:DB7PR04MB4651;H:DB7PR04MB4490.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: BCL:0; x-microsoft-antispam-message-info: cENT66VEuYXcB5okVNepGYwuhwLwOR12246uSLSMQZ/ZwL0x8X5LPttKomvp6aUvMPhX49IpPy5u6t7kYn7Z0CefOyvRvPzSYQiFdIHHZHG5RNhc4kpNtR6YxXxjBtjFZ9O27580mZtbIRy3ADD3gcj/dIKdRwbSAQ+ooQvG8jlvz4ELGnrmA/+SYMl/gx1XwToMDcs0QQbKAtMp438ZujUPxUUvy3WY9HV+gHQznondRXvbS6N+LYYoQM04WKqdFwgW7gnb+09tBSwDNnS8I0+/8+SIy30rX/Q6a3SJ/ffHRvRM2aKkv4eeNcccyio6fAVwpiiiexxoc5YSdYtVLXuS3NN/TC1/9ouZ7R9AVRBzi1Gk9IYo0jyD596fSFl/kXNksFvqJgxZzBiD4krXcFkqo/DcjWh1UMVt9SJinTVMhY5iTYVvt3DJi9gjFR3u Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f3d0c28f-59f8-4c68-17ad-08d7680a93e8 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Nov 2019 07:24:54.0964 (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: sotzV3pm5nz9JNdgM0xbDJi8DVDzW2alqm/ntVICdd6WS/fR8oNixSFyhPAdIycD5pJgwgPWaey1LIeKEtXQ6Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB4651 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: <linux-clk.vger.kernel.org> X-Mailing-List: linux-clk@vger.kernel.org |
Series |
clk: imx: pll14xx: io relaxed fix
|
expand
|
diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index e34813904023..2bbcfbf8081a 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -205,6 +205,12 @@ static int clk_pll1416x_set_rate(struct clk_hw *hw, unsigned long drate, (rate->sdiv << SDIV_SHIFT); writel_relaxed(div_val, pll->base + 0x4); + /* + * readl will force write completed. There is a udelay below, + * we need make sure before udelay, write has been completed + */ + readl(pll->base + 0x4); + /* * According to SPEC, t3 - t2 need to be greater than * 1us and 1/FREF, respectively.