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Wysocki" , Len Brown , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Al Stone , Jeremy Linton , Russell King - ARM Linux admin , Jon , Cristi Sovaiala , Ioana Ciornei , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Madalin Bucur Cc: linux-acpi@vger.kernel.org, netdev@vger.kernel.org, linux.cj@gmail.com, Paul Yang , Calvin Johnson Subject: [net-next PATCH v7 2/6] net: phy: introduce device_mdiobus_register() Date: Sat, 25 Jul 2020 19:54:00 +0530 Message-Id: <20200725142404.30634-3-calvin.johnson@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200725142404.30634-1-calvin.johnson@oss.nxp.com> References: <20200725142404.30634-1-calvin.johnson@oss.nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR0302CA0018.apcprd03.prod.outlook.com (2603:1096:3:2::28) 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 SG2PR0302CA0018.apcprd03.prod.outlook.com (2603:1096:3:2::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3239.9 via Frontend Transport; Sat, 25 Jul 2020 14:24:52 +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: 9ff7d112-194a-49da-374e-08d830a681b7 X-MS-TrafficTypeDiagnostic: AM0PR04MB4931: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5797; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: TllzpI1m15PjFn5bazgfaHJ6DVrCTo1zKaL7/0W40UTPzN4oBveuSEQcuDyak5pM3kY/irlmM1n9QKbEpW41QDFFkKAVYf40HYcB+djZsEnGa1MIgy3uQYEAkYQ2NoKNHHg2KlJWa21aSDzi4Coa1WFGUWR6OuLwdIo0dkXOeCIXeiZgZj88qW80HcdaWJFSpAhJdw8QTpgtM6Oma/QYGWwYHfsZlxmhUFFvlfovbghasxH9rxYEgGWYCpQQH9H3MbI1sppLNVxF4PYeOINIsO/VRuptk6ERl+/oLw6dAxUW8Tk640l2Xvall2Yj+qalBSbRpdt2VqhC5R0eJKSJT2ReGj4INgF5oKmz6BVcmMdJ+ha2WhjwPs3M0jm/3qa5DjALmnSQkFtWK7lOSe5cwg== 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;SFTY:;SFS:(4636009)(39860400002)(366004)(346002)(396003)(376002)(136003)(66946007)(66476007)(5660300002)(6506007)(6512007)(86362001)(55236004)(52116002)(478600001)(44832011)(110136005)(8676002)(316002)(54906003)(1076003)(66556008)(4326008)(16526019)(956004)(2616005)(26005)(8936002)(6636002)(186003)(83380400001)(2906002)(6486002)(6666004)(1006002)(7416002)(110426005)(921003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: raXNd4fChnllcAveXBlfAo49fH3B8yOYZkNPM+DUizupOiX3fWxDO6AXq4Jq4UEKV8Asz4jsUogGofhp4esiuYry4xfFR5Fc/3j96yXQkTf4fEvs4YdtHJtQ1a+o1GgWPFXE/imGdgLwf0kLPqIz7flpsWMZ5//AJkSqZ8mm9u8KoZXpIkEsmbkhwfQorYDlnGAAiJ9Jjr/VG5sAL3wQCvzk9MdS3nxgtjuHzYk5SOYM0mUCUGLYM0dlnOF3WgXGbczD6mu7p9wPUq23hx4gdjjyoQuMKuPLkkJVXYViX9Kw6ahlNKco6XwtKDFb4f6sIANGMQp+2JCol7vQFkDR+4p88hhhcIG2vRr4UPxg+v4mJoaAd3Z7EGAiv6i64d5QxQSoB7onq+dw+PyIS/d8JnV/pc/Ca3E9HbyyYSxTDM9IgJO3fBeJzj+290BfvsG4g31rxPm6MC59TYf1Q++4NmDx5+AiywXHuW78aa6WKRw= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9ff7d112-194a-49da-374e-08d830a681b7 X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5636.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Jul 2020 14:24:57.3316 (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: ityTJYmiO4q5Y2CoHvi9SW9KeoUc+85RDjs/KHUDAp68BGg+uwSyfPFaZ/ZQvOarA3p6D3dSIGAlj4jM7SPBUQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB4931 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Introduce device_mdiobus_register() to register mdiobus in cases of either DT or ACPI. Signed-off-by: Calvin Johnson --- Changes in v7: None Changes in v6: - change device_mdiobus_register() parameter position - improve documentation Changes in v5: - add description - clean up if else Changes in v4: None Changes in v3: None Changes in v2: None drivers/net/phy/mdio_bus.c | 26 ++++++++++++++++++++++++++ include/linux/mdio.h | 1 + 2 files changed, 27 insertions(+) diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 46b33701ad4b..8610f938f81f 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -501,6 +501,32 @@ static int mdiobus_create_device(struct mii_bus *bus, return ret; } +/** + * device_mdiobus_register - register mdiobus for either DT or ACPI + * @bus: target mii_bus + * @dev: given MDIO device + * + * Description: Given an MDIO device and target mii bus, this function + * calls of_mdiobus_register() for DT node and mdiobus_register() in + * case of ACPI. + * + * Returns 0 on success or negative error code on failure. + */ +int device_mdiobus_register(struct device *dev, + struct mii_bus *bus) +{ + struct fwnode_handle *fwnode = dev_fwnode(dev); + + if (is_of_node(fwnode)) + return of_mdiobus_register(bus, to_of_node(fwnode)); + if (fwnode) { + bus->dev.fwnode = fwnode; + return mdiobus_register(bus); + } + return -ENODEV; +} +EXPORT_SYMBOL(device_mdiobus_register); + /** * __mdiobus_register - bring up all the PHYs on a given bus and attach them to bus * @bus: target mii_bus diff --git a/include/linux/mdio.h b/include/linux/mdio.h index 898cbf00332a..f454c5435101 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -358,6 +358,7 @@ static inline int mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad, return mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum)); } +int device_mdiobus_register(struct device *dev, struct mii_bus *bus); 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); -- 2.17.1