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 X-Spam-Level: X-Spam-Status: No, score=-4.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,URIBL_DBL_ABUSE_MALW autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D401ECE560 for ; Mon, 24 Sep 2018 15:08:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 47E0F2064D for ; Mon, 24 Sep 2018 15:08:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=microsoft.com header.i=@microsoft.com header.b="N67F7RVY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 47E0F2064D Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=microsoft.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729322AbeIXVLX (ORCPT ); Mon, 24 Sep 2018 17:11:23 -0400 Received: from mail-bn3nam01on0094.outbound.protection.outlook.com ([104.47.33.94]:39765 "EHLO NAM01-BN3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730107AbeIXUve (ORCPT ); Mon, 24 Sep 2018 16:51:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=s+kQ13vM/6yZ2imKcEUrr7EdoKom7DjboFFRucOOAwY=; b=N67F7RVYa1779Ivb8siWvPq9khHKONR96xqWOM3CKr9PGAySwNEe2kQnY1ng+SHeBP4Zx7v6jk+v2OR+hkFUWCQqYuW6aoZ1acUQ1jB1B+GJ2++NY1xjJR5liqfd91or6TumURwy1KjkY482IaEQB1mgkYC04IFtJsy5FOHKmrU= Received: from CY4PR21MB0776.namprd21.prod.outlook.com (10.173.192.22) by CY4PR21MB0744.namprd21.prod.outlook.com (10.173.189.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1207.2; Mon, 24 Sep 2018 14:48:59 +0000 Received: from CY4PR21MB0776.namprd21.prod.outlook.com ([fe80::54e2:88e0:b622:b36]) by CY4PR21MB0776.namprd21.prod.outlook.com ([fe80::54e2:88e0:b622:b36%5]) with mapi id 15.20.1207.003; Mon, 24 Sep 2018 14:48:59 +0000 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Tony Lindgren , "devicetree@vger.kernel.org" , Andrew Lunn , Grygorii Strashko , Ivan Khoronzhuk , Mark Rutland , Murali Karicheri , Rob Herring , "David S . Miller" , Sasha Levin Subject: [PATCH AUTOSEL 4.18 52/76] net: ethernet: cpsw-phy-sel: prefer phandle for phy sel Thread-Topic: [PATCH AUTOSEL 4.18 52/76] net: ethernet: cpsw-phy-sel: prefer phandle for phy sel Thread-Index: AQHUVBWqtjXDvPUTH0eQWdmSSNX6vQ== Date: Mon, 24 Sep 2018 14:48:33 +0000 Message-ID: <20180924144751.164410-51-alexander.levin@microsoft.com> References: <20180924144751.164410-1-alexander.levin@microsoft.com> In-Reply-To: <20180924144751.164410-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;CY4PR21MB0744;6:nMI9ghDXZE40yzfwpqNXedQiuiN2zGv/W0mzlODIPDllTx0D3M61Fu3WLPB1dRARtrRBBlOJ2MNZNioRQbjCDbPgOz9ae8sphDYj3z6+/4MXTZEAmcoVeD5VmP1bDtwKBUE3UcUyJytqXUYCTXoRFMMCQpLQJk5d7xG+Ux9GO+tcjNsRdsUVd4raqc6AT4ZTEAm3ijFVxuaTVgOrITOn3J1nIUA0hR0lNohOvAUQvUlPuFPVFOiaCXCbceUdJnxf3PpZHHMp4e2J4dv8rkkyvfcn/i9Wn+EKdtFEsNqX+EZf/tKIdOxQ2U7mHa3s4epaIAZoNFmOpCc9Xoh/Yk/iXa96wujOuOKGe95w9Osv7cyVsCKf19Qxd0wbyT9cQLo7nzu8igOWwge3k/KXdholmUA7Y17hp5ONDWuZK/amtAB/BvRUFD6a1nV39QT5IF1WwONd3zMVU0qi3TTGPscccA==;5:BlzfeqNEnUrD8i5jrSAs21hu6XBl/jp97Y46TPBdGyFOyu+/uiXjmFZwlqctmbHZPgJG1R7RlloOQXqsEt1/EPPT1og2zDqa7UNNnMHCS25CAIJYW+MQrWAnaXhTS3Pu2cRLkNlnrUnGXk0t1RzjLvwx3Uk4vMziZ4V7xxDp18I=;7:f64KuCiFWcVULjKZF/dWkxwvweIewYwzjxneWk/enRt9Q6EMDkY45dFoJItDKVWfIs5kec6SfWhj+UqDFVlal5Dsh2HZ6gb1WpfpajeKnSikrDgzdX/MUaBIJsJ/2PCTMZWqVkIANZZ8cCgyTSr/W2rzeGF76ZXv8TgbEA+COCFFThnOtipivk5BxVaWCYCWncSLhCmgS/HNbg4vzWkjB1/hfO54UdTpBXjETNBHCtms3+Gma35i9NFQUCdKw3HP x-ms-office365-filtering-correlation-id: 01486b2c-ce58-470f-00ba-08d6222cdc76 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989299)(4534165)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(4618075)(2017052603328)(7193020);SRVR:CY4PR21MB0744; x-ms-traffictypediagnostic: CY4PR21MB0744: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(9452136761055)(31051911155226)(180628864354917)(28532068793085)(89211679590171)(12401385986421); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(3231355)(2280196)(944501410)(52105095)(2018427008)(10201501046)(93006095)(93001095)(3002001)(6055026)(149066)(150027)(6041310)(20161123564045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123560045)(20161123562045)(20161123558120)(201708071742011)(7699051)(76991041);SRVR:CY4PR21MB0744;BCL:0;PCL:0;RULEID:;SRVR:CY4PR21MB0744; x-forefront-prvs: 0805EC9467 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(136003)(346002)(39860400002)(376002)(366004)(189003)(199004)(11346002)(446003)(476003)(86362001)(186003)(81166006)(6506007)(8676002)(81156014)(6666003)(5660300001)(486006)(99286004)(53936002)(305945005)(6512007)(6436002)(2616005)(71200400001)(71190400001)(68736007)(6486002)(102836004)(10090500001)(7736002)(36756003)(97736004)(86612001)(7416002)(316002)(3846002)(6116002)(1076002)(217873002)(14444005)(256004)(54906003)(110136005)(107886003)(10290500003)(4326008)(478600001)(22452003)(5250100002)(26005)(8936002)(2906002)(2501003)(2900100001)(66066001)(72206003)(105586002)(14454004)(76176011)(25786009)(106356001)(60540400001);DIR:OUT;SFP:1102;SCL:1;SRVR:CY4PR21MB0744;H:CY4PR21MB0776.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: 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 spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 01486b2c-ce58-470f-00ba-08d6222cdc76 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Sep 2018 14:48:33.5398 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0744 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tony Lindgren [ Upstream commit 18eb8aea7fb2fb4490e578b1b8a1096c34b2fc48 ] The cpsw-phy-sel device is not a child of the cpsw interconnect target module. It lives in the system control module. Let's fix this issue by trying to use cpsw-phy-sel phandle first if it exists and if not fall back to current usage of trying to find the cpsw-phy-sel child. That way the phy sel driver can be a child of the system control module where it belongs in the device tree. Without this fix, we cannot have a proper interconnect target module hierarchy in device tree for things like genpd. Note that deferred probe is mostly not supported by cpsw and this patch does not attempt to fix that. In case deferred probe support is needed, this could be added to cpsw_slave_open() and phy_connect() so they start handling and returning errors. For documenting it, looks like the cpsw-phy-sel is used for all cpsw device tree nodes. It's missing the related binding documentation, so let's also update the binding documentation accordingly. Cc: devicetree@vger.kernel.org Cc: Andrew Lunn Cc: Grygorii Strashko Cc: Ivan Khoronzhuk Cc: Mark Rutland Cc: Murali Karicheri Cc: Rob Herring Signed-off-by: Tony Lindgren Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/ti/cpsw-phy-sel.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw-phy-sel.c b/drivers/net/ethernet/= ti/cpsw-phy-sel.c index 0c1adad7415d..396e1cd10667 100644 --- a/drivers/net/ethernet/ti/cpsw-phy-sel.c +++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c @@ -170,10 +170,13 @@ void cpsw_phy_sel(struct device *dev, phy_interface_t= phy_mode, int slave) struct device_node *node; struct cpsw_phy_sel_priv *priv; =20 - node =3D of_get_child_by_name(dev->of_node, "cpsw-phy-sel"); + node =3D of_parse_phandle(dev->of_node, "cpsw-phy-sel", 0); if (!node) { - dev_err(dev, "Phy mode driver DT not found\n"); - return; + node =3D of_get_child_by_name(dev->of_node, "cpsw-phy-sel"); + if (!node) { + dev_err(dev, "Phy mode driver DT not found\n"); + return; + } } =20 dev =3D bus_find_device(&platform_bus_type, NULL, node, match); --=20 2.17.1