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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 5/7] phylink: introduce phylink_fwnode_phy_connect() Date: Wed, 30 Sep 2020 21:34:28 +0530 Message-Id: <20200930160430.7908-6-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 16:05:52 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 1282ceb7-846f-4094-e0a5-08d8655ab758 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:2089; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: vyqAg/ozWlInm6T3j8aZTHpYuujDjAsxm9y/n/nJKYwE5gIi5anMjjSuH8BmS8c/wuVhxs9f/uHaEN8FW0LzlBn0/dx1fTnfMfoZpxFyKRN/FYdVbc+0YU7TaRhjWfFcTi3iDzDH0RR0pqK15KVTJOi6CdlfR+/1XizwaBTJv/QQNwZZ8dEKoB783u7AtEVD6vzoRSePduyGVbDdI4Nda6hwuKaDXqqbh23lBzrRD2bIyrofGwXFW5ThAYAqTjnUqU23stnqCcqbEUqGvMrN6rw5suhJ63yPLkwSBDjm0exvCBmTCLL1pi5EfZdCvzWVVNbIiWZkomBa7jj6o/uz1V7Y+pe46Vniu5bsZGXPS/op3zxsYfJcCaNgriXEiW9Z7VAOu0MXaxg3FqyPM2f+QkT7sjKbtxXUCgW8MsnzUMq1rucjJWVPk9Z9ymsJh99C 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: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1282ceb7-846f-4094-e0a5-08d8655ab758 X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5636.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Sep 2020 16:05:57.3200 (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: 6NllGopYDWmMfjMZLz3UkSQ5v/IZpZ0PXDgrgdS0ltKsXgzu7fpTq1phD5U2e4l0+4G7nff2rr4ruI0CMAWqJQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB4225 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 --- drivers/net/phy/phylink.c | 51 +++++++++++++++++++++++++++++++++++++++ include/linux/phylink.h | 3 +++ 2 files changed, 54 insertions(+) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index fe2296fdda19..ca88bd90d605 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -5,6 +5,7 @@ * * Copyright (C) 2015 Russell King */ +#include #include #include #include @@ -1120,6 +1121,56 @@ int phylink_of_phy_connect(struct phylink *pl, struct device_node *dn, } EXPORT_SYMBOL_GPL(phylink_of_phy_connect); +/** + * 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. + * + * 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; + + if (is_of_node(fwnode)) + return phylink_of_phy_connect(pl, to_of_node(fwnode), flags); + if (is_acpi_device_node(fwnode)) { + phy_fwnode = fwnode_get_phy_node(fwnode); + if (IS_ERR(phy_fwnode)) { + if (pl->cfg_link_an_mode == MLO_AN_PHY) + return -ENODEV; + return 0; + } + + 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; + } + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(phylink_fwnode_phy_connect); + /** * phylink_disconnect_phy() - disconnect any PHY attached to the phylink * instance. diff --git a/include/linux/phylink.h b/include/linux/phylink.h index d81a714cfbbd..75d4f99090fd 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -439,6 +439,9 @@ void phylink_destroy(struct phylink *); int phylink_connect_phy(struct phylink *, struct phy_device *); int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); +int phylink_fwnode_phy_connect(struct phylink *pl, + struct fwnode_handle *fwnode, + u32 flags); void phylink_disconnect_phy(struct phylink *); void phylink_mac_change(struct phylink *, bool up); -- 2.17.1