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Wysocki" , Russell King - ARM Linux admin , linux.cj@gmail.com, Jeremy Linton , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Cristi Sovaiala , Florin Laurentiu Chiculita , Ioana Ciornei , Madalin Bucur , Greg Kroah-Hartman , Heikki Krogerus Cc: Varun Sethi , "Rajesh V . Bikkina" , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Diana Madalina Craciun , netdev@vger.kernel.org, Marcin Wojtas , Laurentiu Tudor , Makarand Pawagi , linux-arm-kernel@lists.infradead.org, Pankaj Bansal , Calvin Johnson , "David S. Miller" , Heiner Kallweit Subject: [net-next PATCH v3 5/5] net: mdiobus: Introduce fwnode_mdiobus_register_phy() Date: Tue, 5 May 2020 18:59:05 +0530 Message-Id: <20200505132905.10276-6-calvin.johnson@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200505132905.10276-1-calvin.johnson@oss.nxp.com> References: <20200505132905.10276-1-calvin.johnson@oss.nxp.com> X-ClientProxiedBy: SG2PR03CA0096.apcprd03.prod.outlook.com (2603:1096:4:7c::24) To DB8PR04MB5643.eurprd04.prod.outlook.com (2603:10a6:10:aa::25) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv03152.swis.in-blr01.nxp.com (14.142.151.118) by SG2PR03CA0096.apcprd03.prod.outlook.com (2603:1096:4:7c::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.14 via Frontend Transport; Tue, 5 May 2020 13:29:53 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [14.142.151.118] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 76633471-02ad-438b-ba7b-08d7f0f8689e X-MS-TrafficTypeDiagnostic: DB8PR04MB5596:|DB8PR04MB5596: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-Forefront-PRVS: 0394259C80 Received-SPF: None (protection.outlook.com: oss.nxp.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DB8PR04MB5643.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(366004)(6486002)(5660300002)(44832011)(26005)(55236004)(66556008)(66946007)(66476007)(498600001)(6506007)(52116002)(4326008)(956004)(2616005)(2906002)(186003)(1076003)(16526019)(7416002)(6512007)(86362001)(110136005)(54906003)(6666004)(8936002)(1006002)(8676002)(110426005)(921003)(1121003); 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: 76633471-02ad-438b-ba7b-08d7f0f8689e X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2020 13:29:59.6281 (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: ZdliRVxkXixC5YSOjtbiST+6ZILpYe7tk252gCI29WKkC4K5Ox8zajQu03S0dGr5bdvF5n69ocTvN3hyv0n7sA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB5596 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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 --- Changes in v3: Introduce two functions to register phy to mdiobus using fwnode Changes in v2: None drivers/net/phy/mdio_bus.c | 41 ++++++++++++++++++++++++++++++++++++++ include/linux/mdio.h | 2 ++ 2 files changed, 43 insertions(+) diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 3e79b96fa344..b51e597c0479 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -106,6 +106,47 @@ 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 = false; + const char *cp; + u32 phy_id; + int rc; + + fwnode_property_read_string(child, "compatible", &cp); + if (!strcmp(cp, "ethernet-phy-ieee802.3-c45")) + is_c45 = true; + + if (!is_c45 && !fwnode_get_phy_id(child, &phy_id)) + phy = phy_device_create(bus, addr, phy_id, 0, NULL); + else + phy = get_phy_device(bus, addr, is_c45); + 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(child); + 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 917e4bb2ed71..e55609697b42 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -330,6 +330,8 @@ 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