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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 4/7] net: mdiobus: Introduce fwnode_mdiobus_register_phy() Date: Wed, 30 Sep 2020 21:34:27 +0530 Message-Id: <20200930160430.7908-5-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 16:05:46 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 00e5a9e9-7c77-452c-a341-08d8655ab401 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:2150; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: QyCFf+9xlUDSg34y1rl48368mpaEEi0SFjuhS5Op1vkappbebVARvnr5sWjblYQ0k5ia45ejTnKWbiB//T3VTs1p1aAHma0TstNP31uykEIL29hE4snQRaG4UBjhdbmRnC8ggKeM4mmA6f53EbKwSWbIyjeH5vwl3bL/va0V1qFX/3krCDDOT9SvFIZWrMO2gCmALN/ZQrXUTQltD5lTsGUWl5MZUnGf6NllOS91ralgd85Szh24N50+BVS9v6AGyQwG90YDe/Cna2uJRCQQflDlc/nXbaeYfXtK1hDDpA8GknkxfZxkdf8YsxPFqXMnwdwnnhGpPCTzt/maFAPUFRWNy9+gvG5dj4vfblyh+IESSMMrENfSTfaFnVaF2Hw3rhLg0gcFw4xf47pps/VDxOaJDyS3QRbzjH/Xqk2FCcUh/0tfiuGzPT37mNF/uqo6 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)(186003)(16526019)(6486002)(110426005)(921003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: qF0bpZoqNwSNsGBLagmpedbSO8LttvqRoOoXb+Kq9Wh+Qh2Y+SBgPzJSTfwwnqRGk0rBHqIA8jb+yXdB1D6AKgmne916eg7H6RZXfVO5OJqGdMSx2IrIez5YJPtF6lX+12U+T1rh3UKYQMQjqlYUuzsG+uLJh9PzI+Z20HAsBOmBbDe4+Ox3rYTtTLw4nLpeL07L2CtSFuERmS+YMYqnHr+i5DHQy3t2vk40Cio0CXIiD0sH1+o1lwVRaoL9pjxznW0TsA8IHiE/TufDxAODcleKUuFZleST9LpQUqg6Ffscpm9/GGb0oO5otyWK3AEni9RxUHnMk5JZU+w4Qca0zsUuLoZocVq24RnNFHjFKm25RaT23L6mc8JlOX55VwwII0f3mEg/Ro9OIdSGS0nrd9fxtQC9mBT5vEop60kPsO+tfqVcgsT/1A86OZj16CKK2wcNKAi2NfGCyysUCHk9MOu/AGTsfz08X/VKTqoU2nOeiXSOptDe+JQCBalTbC7m0WfLuGDs1p7Cb1E6iwAilTuagTIOrQXTcGbaQPKm3kUH8nJU1nZyS2nUfteaqhnkUZ3aJCjDDGY1VJR4paQSZUMAqbnpdsThwzfVfLVCjLxU8MxOhaB1TRJfiPFQ5yZcs347Kb6ycjuXm0roeipC9g== X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 00e5a9e9-7c77-452c-a341-08d8655ab401 X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5636.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Sep 2020 16:05:51.6092 (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: eKR9Ux5Kb3Ra8HgjLTXWpoQfdhzcnY82J0Mud3YWONKSzi8Ty0nvhmTwSG/KN4BORDS0bo4CVD8bUJOFkfIk5A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB4225 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Introduce fwnode_mdiobus_register_phy() to register PHYs on the mdiobus. From the compatible string, identify whether the PHY is c45 and based on this create a PHY device instance which is registered on the mdiobus. Signed-off-by: Calvin Johnson --- drivers/net/phy/mdio_bus.c | 40 ++++++++++++++++++++++++++++++++++++++ include/linux/mdio.h | 2 ++ 2 files changed, 42 insertions(+) diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 0af20faad69d..693eb752cbf7 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -106,6 +106,46 @@ int mdiobus_unregister_device(struct mdio_device *mdiodev) } EXPORT_SYMBOL(mdiobus_unregister_device); +int fwnode_mdiobus_register_phy(struct mii_bus *bus, + struct fwnode_handle *child, u32 addr) +{ + struct phy_device *phy; + bool is_c45; + const char *cp; + u32 phy_id; + int rc; + + rc = fwnode_property_read_string(child, "compatible", &cp); + is_c45 = !(rc || strcmp(cp, "ethernet-phy-ieee802.3-c45")); + + if (is_c45 || fwnode_get_phy_id(child, &phy_id)) + phy = get_phy_device(bus, addr, is_c45); + else + phy = phy_device_create(bus, addr, phy_id, 0, NULL); + if (IS_ERR(phy)) + return PTR_ERR(phy); + + phy->irq = bus->irq[addr]; + + /* Associate the fwnode with the device structure so it + * can be looked up later. + */ + phy->mdio.dev.fwnode = child; + + /* All data is now stored in the phy struct, so register it */ + rc = phy_device_register(phy); + if (rc) { + phy_device_free(phy); + fwnode_handle_put(phy->mdio.dev.fwnode); + return rc; + } + + dev_dbg(&bus->dev, "registered phy at address %i\n", addr); + + return 0; +} +EXPORT_SYMBOL(fwnode_mdiobus_register_phy); + struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr) { struct mdio_device *mdiodev = bus->mdio_map[addr]; diff --git a/include/linux/mdio.h b/include/linux/mdio.h index dbd69b3d170b..f138ec333725 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -368,6 +368,8 @@ int mdiobus_register_device(struct mdio_device *mdiodev); int mdiobus_unregister_device(struct mdio_device *mdiodev); bool mdiobus_is_registered_device(struct mii_bus *bus, int addr); struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr); +int fwnode_mdiobus_register_phy(struct mii_bus *bus, + struct fwnode_handle *child, u32 addr); /** * mdio_module_driver() - Helper macro for registering mdio drivers -- 2.17.1