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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 3/5] phylink: Introduce phylink_fwnode_phy_connect() Date: Tue, 5 May 2020 18:59:03 +0530 Message-Id: <20200505132905.10276-4-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> Content-Type: text/plain 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 13:29:40 +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: 2ab5254e-a600-4f4b-3a72-08d7f0f860cc 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:2803; 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: 2ab5254e-a600-4f4b-3a72-08d7f0f860cc X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2020 13:29:46.5155 (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: ELUwMr3pCxiT28cWZuv7u8WU6laPXvbnM5XU37c0dnkz14fV9vmmRsknkLy9S+6Vus0uVKWOvdJkiofMFcGlmg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB5596 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Define phylink_fwnode_phy_connect() to connect phy specified by a fwnode to a phylink instance. Signed-off-by: Calvin Johnson --- Changes in v3: remove NULL return check as it is invalid remove unused phylink_device_phy_connect() Changes in v2: replace of_ and acpi_ code with generic fwnode to get phy-handle. drivers/net/phy/phylink.c | 48 +++++++++++++++++++++++++++++++++++++++ include/linux/phylink.h | 3 +++ 2 files changed, 51 insertions(+) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 0f23bec431c1..560d1069426c 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -961,6 +961,54 @@ int phylink_connect_phy(struct phylink *pl, struct phy_device *phy) } EXPORT_SYMBOL_GPL(phylink_connect_phy); +/** + * phylink_fwnode_phy_connect() - connect the PHY specified in the fwnode. + * @pl: a pointer to a &struct phylink returned from phylink_create() + * @fwnode: a pointer to a &struct fwnode_handle. + * @flags: PHY-specific flags to communicate to the PHY device driver + * + * Connect the phy specified @fwnode to the phylink instance specified + * by @pl. Actions specified in phylink_connect_phy() will be + * performed. + * + * Returns 0 on success or a negative errno. + */ +int phylink_fwnode_phy_connect(struct phylink *pl, + struct fwnode_handle *fwnode, + u32 flags) +{ + struct fwnode_handle *phy_fwnode; + struct phy_device *phy_dev; + int ret = 0; + + /* Fixed links and 802.3z are handled without needing a PHY */ + if (pl->cfg_link_an_mode == MLO_AN_FIXED || + (pl->cfg_link_an_mode == MLO_AN_INBAND && + phy_interface_mode_is_8023z(pl->link_interface))) + return 0; + + phy_fwnode = fwnode_get_phy_node(fwnode); + if ((IS_ERR(phy_fwnode)) && pl->cfg_link_an_mode == MLO_AN_PHY) + return -ENODEV; + + phy_dev = fwnode_phy_find_device(phy_fwnode); + fwnode_handle_put(phy_fwnode); + if (!phy_dev) + return -ENODEV; + + ret = phy_attach_direct(pl->netdev, phy_dev, flags, + pl->link_interface); + if (ret) + return ret; + + ret = phylink_bringup_phy(pl, phy_dev, pl->link_config.interface); + if (ret) + phy_detach(phy_dev); + + return ret; +} +EXPORT_SYMBOL_GPL(phylink_fwnode_phy_connect); + /** * phylink_of_phy_connect() - connect the PHY specified in the DT mode. * @pl: a pointer to a &struct phylink returned from phylink_create() diff --git a/include/linux/phylink.h b/include/linux/phylink.h index cc5b452a184e..107fb0afc3bb 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -367,6 +367,9 @@ void phylink_add_pcs(struct phylink *, const struct phylink_pcs_ops *ops); void phylink_destroy(struct phylink *); int phylink_connect_phy(struct phylink *, struct phy_device *); +int phylink_fwnode_phy_connect(struct phylink *pl, + struct fwnode_handle *fwnode, + u32 flags); int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); void phylink_disconnect_phy(struct phylink *); -- 2.17.1