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=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 BFB70C4727C for ; Wed, 30 Sep 2020 16:05:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D3D120789 for ; Wed, 30 Sep 2020 16:05:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=NXP1.onmicrosoft.com header.i=@NXP1.onmicrosoft.com header.b="T5OKGQMz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731067AbgI3QFr (ORCPT ); Wed, 30 Sep 2020 12:05:47 -0400 Received: from mail-eopbgr150089.outbound.protection.outlook.com ([40.107.15.89]:39085 "EHLO EUR01-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731063AbgI3QFo (ORCPT ); Wed, 30 Sep 2020 12:05:44 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=VhWdIkfritXMkDjkbVR29rf2145tzZyBWwQChmkUxjvLZswnKw9txfXaWniHsgVg/rNqBlYa1yTuCHBnlHO8VYzK4V9vGLpV/ZlC5yrg5g+ZFr6lSG/XNvYgQ+YK74l6nerFt+umnbHDR672WyElVLjxA3hLtEXf8NH9C6ez9GsqcTHE4Gm2R8cac+Zf9L4d87vSMbg3YK0KDDWHXn4cICsB1PMZJvjPg/vlPL29CaUNVh5tpWg4NuDB3dL1+9fdza8k+Aaz0txpdHq16ShDGk8uBRIaxBpcEaUaIxvppr4UTdGUKfLTKFZ3BSi3C2wKQX9NOpNxYGrKAu/gZELO0w== 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=hvuhkCx3lRZ8GvposQdIeMpiQvSYrGhhCoLfujqF/TY=; b=cRnhX4qnT34rHOsfJdJ5p42UzDN9iWN2nSeQhYOQvgU8XvyHxdhOeInWQrjkYbBGXb9sDc2tEXZO6GNyAlAQNZKkuqvtDtlL2lmFDB2Vr0vJe3McKKSJSWYUaaUXNh7o5aBavwmNzy5bkL7SIXzvm+eybIG3lZ+lH+3MtxWbIIK+GvjNp2mNNETtaE9H3/d0lBKvU6g870/xkCtd4Byk3yk4NSPGQbRIFdKWFkXW74S053dXRlHRGqO3Z4Ec5ZnINdHuNTqDLDSc+iHKqeOcP81/jYpzFBvqGOBsl7SXSNdDFt3kxU27fDGTvLcT8Y0OHmzIgvjwtDI5ph72YAt7qQ== 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=hvuhkCx3lRZ8GvposQdIeMpiQvSYrGhhCoLfujqF/TY=; b=T5OKGQMzk4ByzkAwljqQGo5bHNOR7qou9ojfXYusP5qxAhaqFIreQa1QUWzAbggolCkugltJfyi4LoGgJon5cccxEcSAbQEPCoOjfDKxJ2a0v6mWeBxrZf7fs388jrcXK40cCyPVStEBLUj3mfSzLrM3njtTaOj2jSxmwoxKe+o= Authentication-Results: arm.com; dkim=none (message not signed) header.d=none;arm.com; dmarc=none action=none header.from=oss.nxp.com; Received: from AM0PR04MB5636.eurprd04.prod.outlook.com (2603:10a6:208:130::22) by AM0PR04MB4225.eurprd04.prod.outlook.com (2603:10a6:208:59::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.23; Wed, 30 Sep 2020 16:05:40 +0000 Received: from AM0PR04MB5636.eurprd04.prod.outlook.com ([fe80::a997:35ae:220c:14ef]) by AM0PR04MB5636.eurprd04.prod.outlook.com ([fe80::a997:35ae:220c:14ef%7]) with mapi id 15.20.3433.032; Wed, 30 Sep 2020 16:05:40 +0000 From: Calvin Johnson To: Grant Likely , "Rafael J . Wysocki" , Jeremy Linton , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Russell King - ARM Linux admin , Cristi Sovaiala , Florin Laurentiu Chiculita , Ioana Ciornei , Madalin Bucur , Heikki Krogerus Cc: linux-kernel@vger.kernel.org, linux.cj@gmail.com, netdev@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Diana Madalina Craciun , Laurentiu Tudor , Calvin Johnson , "David S. Miller" , Heiner Kallweit , Jakub Kicinski Subject: [net-next PATCH v1 2/7] net: phy: Introduce phy related fwnode functions Date: Wed, 30 Sep 2020 21:34:25 +0530 Message-Id: <20200930160430.7908-3-calvin.johnson@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200930160430.7908-1-calvin.johnson@oss.nxp.com> References: <20200930160430.7908-1-calvin.johnson@oss.nxp.com> Content-Type: text/plain X-Originating-IP: [14.142.151.118] X-ClientProxiedBy: SG2PR03CA0168.apcprd03.prod.outlook.com (2603:1096:4:c9::23) To AM0PR04MB5636.eurprd04.prod.outlook.com (2603:10a6:208:130::22) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv03152.swis.in-blr01.nxp.com (14.142.151.118) by SG2PR03CA0168.apcprd03.prod.outlook.com (2603:1096:4:c9::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.16 via Frontend Transport; Wed, 30 Sep 2020 16:05:35 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 06c94dc9-82c0-4c1d-7b91-08d8655aad48 X-MS-TrafficTypeDiagnostic: AM0PR04MB4225: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1284; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: KBdusoZ8X5RGhJWYsYdJzvUErZgrJ/Ie0p5OrxgcOyYbxVpb3ZexffViX5AOkU8RuHBrrohGtQolwFwWpVIoIdB2kxAIuPq5QxVHKew4RcasTMN/ZbzFUbpmss57n8w8Gr9Tb8uSL4yyGhl7O0+yo3upPeXbqihpBh3FbwEj5n7p5IEOKDK2qpD2W9PqU4o6YjoCBfNzxG9R8N+N3ux5PuMceO8eC7IG3Oy+AY8b5D3bIptxyyqSE6VNzcsYPCW7T0Spv7xoeNE7frpOqM8dFcTvqLBiO4xejYIfTDz1ABTOylnx2KzVpxAEiSb65ayLiYINyQfoUFKLSNo5HDfo4/2dXFibn/puViS6lFk/rkHhariEUuw4gFo04bHiEkYqbAVVfdkeHXPfRnb2twbgku9PPnxP4odc9OzFZN2TsYXsN1IT/jnpDQ1FO7U5+9C9 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM0PR04MB5636.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(396003)(376002)(346002)(366004)(136003)(39860400002)(2906002)(8676002)(1076003)(26005)(4326008)(54906003)(6506007)(316002)(478600001)(8936002)(6512007)(55236004)(86362001)(66556008)(66476007)(5660300002)(956004)(52116002)(44832011)(1006002)(6666004)(110136005)(7416002)(2616005)(66946007)(83380400001)(186003)(16526019)(6486002)(110426005)(921003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 06c94dc9-82c0-4c1d-7b91-08d8655aad48 X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5636.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Sep 2020 16:05:40.3964 (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: 8ppAQOYJXvQaPpMrD9lRawujuYsgURFs7gSNthpAkhlyR8Rt5oszWNOQbL369uicvPMugFxiuj0ZP0RLRz8tIQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB4225 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Define fwnode_phy_find_device() to iterate an mdiobus and find the phy device of the provided phy fwnode. Additionally define device_phy_find_device() to find phy device of provided device. Define fwnode_get_phy_node() to get phy_node using named reference. Signed-off-by: Calvin Johnson --- drivers/net/phy/phy_device.c | 52 ++++++++++++++++++++++++++++++++++++ include/linux/phy.h | 20 ++++++++++++++ 2 files changed, 72 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 5dab6be6fc38..c4aec56d0a95 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -2818,6 +2818,58 @@ static bool phy_drv_supports_irq(struct phy_driver *phydrv) return phydrv->config_intr && phydrv->ack_interrupt; } +/** + * fwnode_phy_find_device - Find phy_device on the mdiobus for the provided + * phy_fwnode. + * @phy_fwnode: Pointer to the phy's fwnode. + * + * If successful, returns a pointer to the phy_device with the embedded + * struct device refcount incremented by one, or NULL on failure. + */ +struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode) +{ + struct device *d; + struct mdio_device *mdiodev; + + if (!phy_fwnode) + return NULL; + + d = bus_find_device_by_fwnode(&mdio_bus_type, phy_fwnode); + if (d) { + mdiodev = to_mdio_device(d); + if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY) + return to_phy_device(d); + put_device(d); + } + + return NULL; +} +EXPORT_SYMBOL(fwnode_phy_find_device); + +/** + * device_phy_find_device - For the given device, get the phy_device + * @dev: Pointer to the given device + * + * Refer return conditions of fwnode_phy_find_device(). + */ +struct phy_device *device_phy_find_device(struct device *dev) +{ + return fwnode_phy_find_device(dev_fwnode(dev)); +} +EXPORT_SYMBOL_GPL(device_phy_find_device); + +/** + * fwnode_get_phy_node - Get the phy_node using the named reference. + * @fwnode: Pointer to fwnode from which phy_node has to be obtained. + * + * Refer return conditions of fwnode_find_reference(). + */ +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode) +{ + return fwnode_find_reference(fwnode, "phy-handle", 0); +} +EXPORT_SYMBOL_GPL(fwnode_get_phy_node); + /** * phy_probe - probe and init a PHY device * @dev: device to probe and init diff --git a/include/linux/phy.h b/include/linux/phy.h index eb3cb1a98b45..7b1bf3d46fd3 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1378,10 +1378,30 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, bool is_c45, struct phy_c45_device_ids *c45_ids); #if IS_ENABLED(CONFIG_PHYLIB) +struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode); +struct phy_device *device_phy_find_device(struct device *dev); +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode); struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); int phy_device_register(struct phy_device *phy); void phy_device_free(struct phy_device *phydev); #else +static inline +struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode) +{ + return NULL; +} + +static inline struct phy_device *device_phy_find_device(struct device *dev) +{ + return NULL; +} + +static inline +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode) +{ + return NULL; +} + static inline struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) { -- 2.17.1