From patchwork Fri Apr 12 08:36:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Z.Q. Hou" X-Patchwork-Id: 1084508 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.b="LCAOq5QA"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44gWTv0cn6z9s8m for ; Fri, 12 Apr 2019 18:37:07 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727340AbfDLIg7 (ORCPT ); Fri, 12 Apr 2019 04:36:59 -0400 Received: from mail-eopbgr30089.outbound.protection.outlook.com ([40.107.3.89]:2222 "EHLO EUR03-AM5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727341AbfDLIg6 (ORCPT ); Fri, 12 Apr 2019 04:36:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GMLVy3ETzctqm1tILQbJb0wFRJp2H+CqVo6ngffvK4o=; b=LCAOq5QAp0B6wuVYla8d/2t5ff+hYZWsVhqeVaMDiejJPTVCQiaz5VT7qTqm/ACIpsfEj/q+bySXxNqIsBUYz2a6D3u80i6A6J/YhcMTgjvMMCEZM/mE1NVjBkhHkrhQRUqzvRRxSJjM//BE8erX46Rc6CQgjb7Xwj8BOh3lwFk= Received: from AM6PR04MB5781.eurprd04.prod.outlook.com (20.179.3.19) by AM6PR04MB5926.eurprd04.prod.outlook.com (20.179.3.159) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1792.14; Fri, 12 Apr 2019 08:36:54 +0000 Received: from AM6PR04MB5781.eurprd04.prod.outlook.com ([fe80::f9db:ed86:614e:460]) by AM6PR04MB5781.eurprd04.prod.outlook.com ([fe80::f9db:ed86:614e:460%4]) with mapi id 15.20.1792.009; Fri, 12 Apr 2019 08:36:54 +0000 From: "Z.q. Hou" To: "linux-pci@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "bhelgaas@google.com" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "l.subrahmanya@mobiveil.co.in" , "shawnguo@kernel.org" , Leo Li , "lorenzo.pieralisi@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" CC: Mingkai Hu , "M.h. Lian" , Xiaowei Bao , "Z.q. Hou" Subject: [PATCHv5 17/20] PCI: mobiveil: Complete initialization of host even if no PCIe link Thread-Topic: [PATCHv5 17/20] PCI: mobiveil: Complete initialization of host even if no PCIe link Thread-Index: AQHU8Qrh69RXVzVSWU2bYWJ3S9cC9Q== Date: Fri, 12 Apr 2019 08:36:54 +0000 Message-ID: <20190412083635.33626-18-Zhiqiang.Hou@nxp.com> References: <20190412083635.33626-1-Zhiqiang.Hou@nxp.com> In-Reply-To: <20190412083635.33626-1-Zhiqiang.Hou@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HK2PR06CA0011.apcprd06.prod.outlook.com (2603:1096:202:2e::23) To AM6PR04MB5781.eurprd04.prod.outlook.com (2603:10a6:20b:ad::19) authentication-results: spf=none (sender IP is ) smtp.mailfrom=zhiqiang.hou@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-originating-ip: [119.31.174.73] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: f81bf660-c701-4238-3a76-08d6bf220423 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600139)(711020)(4605104)(4618075)(2017052603328)(7193020); SRVR:AM6PR04MB5926; x-ms-traffictypediagnostic: AM6PR04MB5926: x-microsoft-antispam-prvs: x-forefront-prvs: 0005B05917 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(346002)(376002)(136003)(366004)(396003)(39860400002)(189003)(199004)(54534003)(478600001)(36756003)(305945005)(52116002)(6486002)(110136005)(186003)(7416002)(3846002)(7736002)(6436002)(50226002)(54906003)(316002)(6512007)(6116002)(25786009)(1076003)(26005)(86362001)(105586002)(8676002)(81166006)(386003)(106356001)(14454004)(2501003)(6506007)(81156014)(76176011)(5660300002)(102836004)(256004)(53936002)(71200400001)(71190400001)(2906002)(68736007)(476003)(66066001)(99286004)(2616005)(97736004)(4326008)(486006)(446003)(11346002)(8936002)(2201001)(921003)(1121003); DIR:OUT; SFP:1101; SCL:1; SRVR:AM6PR04MB5926; H:AM6PR04MB5781.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A: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: o6bqLS3aY7JQ8zDi9xiu09MWtf0QlmkFCGErLY17CKCIf4weGgFCmkDVc/azuxWRgeadrOxF+ciCyO7BQLlqUsUfGdukmN86SsESMGmvrw68HUF6yNiv1XCs8pg5g29aHVDsYhoLh3KIEwPguwKw3hkhsJvyx+UyPjhqJbzZuPFdizYr0dDXfDDSX19n2NbNizBI5dUyDpRkGxNNrKLPamsVMZK4KI+RBggyCzyXAIFa1MrD8onu7Kg2trs3qLYAa/3fjgZvXaFZ7NcFEjfHFuZKhdxFXwDkZEsyiLvh/W34LgayCXAtHgSV8vrAWYvwZQz7CPRuieYZ5umxt3nfwcXmmPduoZqlaLM1pJKTFg7QNdjoJ0FnKimPViCP4JT7xd1ROxJCvp4pSBqUMa++qcGe9cmSGaSRcnpE+23pwXU= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f81bf660-c701-4238-3a76-08d6bf220423 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Apr 2019 08:36:54.3218 (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-Transport-CrossTenantHeadersStamped: AM6PR04MB5926 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Hou Zhiqiang Sometimes there is not a PCIe Endpoint stalled in the slot, so do not exit when the PCIe link is not up. And degrade the print level of link up info. Signed-off-by: Hou Zhiqiang Reviewed-by: Minghuan Lian Reviewed-by: Subrahmanya Lingappa --- V5: - Corrected and retouched the subject and changelog. drivers/pci/controller/pcie-mobiveil.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c index 1ee3ea2570c0..8dc87c7a600e 100644 --- a/drivers/pci/controller/pcie-mobiveil.c +++ b/drivers/pci/controller/pcie-mobiveil.c @@ -560,7 +560,7 @@ static int mobiveil_bringup_link(struct mobiveil_pcie *pcie) usleep_range(LINK_WAIT_MIN, LINK_WAIT_MAX); } - dev_err(&pcie->pdev->dev, "link never came up\n"); + dev_info(&pcie->pdev->dev, "link never came up\n"); return -ETIMEDOUT; } @@ -926,10 +926,8 @@ static int mobiveil_pcie_probe(struct platform_device *pdev) bridge->swizzle_irq = pci_common_swizzle; ret = mobiveil_bringup_link(pcie); - if (ret) { + if (ret) dev_info(dev, "link bring-up failed\n"); - goto error; - } /* setup the kernel resources for the newly added PCIe root bus */ ret = pci_scan_root_bus_bridge(bridge);