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Fri, 10 Jul 2020 16:32:02 +0000 From: Calvin Johnson To: Jeremy Linton , Russell King - ARM Linux admin , Jon , Cristi Sovaiala , Ioana Ciornei , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Madalin Bucur Cc: netdev@vger.kernel.org, linux.cj@gmail.com, linux-acpi@vger.kernel.org, Calvin Johnson Subject: [net-next PATCH v5 5/6] phylink: introduce phylink_fwnode_phy_connect() Date: Fri, 10 Jul 2020 22:01:14 +0530 Message-Id: <20200710163115.2740-6-calvin.johnson@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200710163115.2740-1-calvin.johnson@oss.nxp.com> References: <20200710163115.2740-1-calvin.johnson@oss.nxp.com> X-ClientProxiedBy: SG2PR06CA0137.apcprd06.prod.outlook.com (2603:1096:1:1f::15) 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 SG2PR06CA0137.apcprd06.prod.outlook.com (2603:1096:1:1f::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3174.20 via Frontend Transport; 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Signed-off-by: Calvin Johnson --- Changes in v5: - return -EINVAL for invalid fwnode Changes in v4: None Changes in v3: None Changes in v2: None drivers/net/phy/phylink.c | 35 +++++++++++++++++++++++++++++++++++ include/linux/phylink.h | 3 +++ 2 files changed, 38 insertions(+) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index dae6c8b51d7f..44095e02d18e 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 @@ -1017,6 +1018,40 @@ 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. 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 phy_device *phy_dev; + int ret = 0; + + if (is_of_node(fwnode)) { + ret = phylink_of_phy_connect(pl, to_of_node(fwnode), flags); + } else if (is_acpi_device_node(fwnode)) { + phy_dev = phy_find_by_mdio_handle(fwnode); + if (!phy_dev) + return -ENODEV; + ret = phylink_connect_phy(pl, phy_dev); + } else { + ret = -EINVAL; + } + + return ret; +} +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 b32b8b45421b..b27eed5e49a9 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -368,6 +368,9 @@ 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);