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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 1/5] net: phy: Introduce phy related fwnode functions Date: Tue, 5 May 2020 18:59:01 +0530 Message-Id: <20200505132905.10276-2-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 13:29:27 +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: 1542e116-80f4-472a-7669-08d7f0f858e3 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:1751; 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: 1542e116-80f4-472a-7669-08d7f0f858e3 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2020 13:29:33.2490 (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: MnU0xzIwNVY0Lxlw6ZnlK3RxRpSihpwpCRe81urLqirIlJ1N8OSYXdmYhrH210tsQuie3oY+flq5gLLA+GVrgQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB5596 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Define fwnode_phy_find_device() to iterate an mdiobus and find the phy device of the provided phy fwnode. Additionally define device_phy_find_device() to find phy device of provided device. Define fwnode_get_phy_node() to get phy_node using named reference. Signed-off-by: Calvin Johnson --- Changes in v3: move fwnode APIs to appropriate place stubs fwnode APIs for !CONFIG_PHYLIB improve comment on function return condition. Changes in v2: move phy code from base/property.c to net/phy/phy_device.c replace acpi & of code to get phy-handle with fwnode_find_reference drivers/net/phy/phy_device.c | 53 ++++++++++++++++++++++++++++++++++++ include/linux/phy.h | 19 +++++++++++++ 2 files changed, 72 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 7e1ddd5745d2..3e8224132218 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -31,6 +31,7 @@ #include #include #include +#include MODULE_DESCRIPTION("PHY library"); MODULE_AUTHOR("Andy Fleming"); @@ -2436,6 +2437,58 @@ static bool phy_drv_supports_irq(struct phy_driver *phydrv) return phydrv->config_intr && phydrv->ack_interrupt; } +/** + * fwnode_phy_find_device - Find phy_device on the mdiobus for the provided + * phy_fwnode. + * @phy_fwnode: Pointer to the phy's fwnode. + * + * If successful, returns a pointer to the phy_device with the embedded + * struct device refcount incremented by one, or NULL on failure. + */ +struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode) +{ + struct device *d; + struct mdio_device *mdiodev; + + if (!phy_fwnode) + return NULL; + + d = bus_find_device_by_fwnode(&mdio_bus_type, phy_fwnode); + if (d) { + mdiodev = to_mdio_device(d); + if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY) + return to_phy_device(d); + put_device(d); + } + + return NULL; +} +EXPORT_SYMBOL(fwnode_phy_find_device); + +/** + * device_phy_find_device - For the given device, get the phy_device + * @dev: Pointer to the given device + * + * Refer return conditions of fwnode_phy_find_device(). + */ +struct phy_device *device_phy_find_device(struct device *dev) +{ + return fwnode_phy_find_device(dev_fwnode(dev)); +} +EXPORT_SYMBOL_GPL(device_phy_find_device); + +/** + * fwnode_get_phy_node - Get the phy_node using the named reference. + * @fwnode: Pointer to fwnode from which phy_node has to be obtained. + * + * Refer return conditions of fwnode_find_reference(). + */ +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode) +{ + return fwnode_find_reference(fwnode, "phy-handle", 0); +} +EXPORT_SYMBOL_GPL(fwnode_get_phy_node); + /** * phy_probe - probe and init a PHY device * @dev: device to probe and init diff --git a/include/linux/phy.h b/include/linux/phy.h index e2bfb9240587..f2664730a331 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1141,10 +1141,29 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, bool is_c45, struct phy_c45_device_ids *c45_ids); #if IS_ENABLED(CONFIG_PHYLIB) +struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode); +struct phy_device *device_phy_find_device(struct device *dev); +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode); struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); int phy_device_register(struct phy_device *phy); void phy_device_free(struct phy_device *phydev); #else +static inline +struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode) +{ + return NULL; +} + +static inline struct phy_device *device_phy_find_device(struct device *dev) +{ + return NULL; +} + +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode) +{ + return NULL; +} + static inline struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) { From patchwork Tue May 5 13:29:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Calvin Johnson X-Patchwork-Id: 219877 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0E2BC47258 for ; Tue, 5 May 2020 13:29:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88F792078D for ; 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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> 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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 *); From patchwork Tue May 5 13:29:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Calvin Johnson X-Patchwork-Id: 219876 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9EE66C47247 for ; 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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: HEMiVyPpPjmfDx3ihGAyFB+gwiYdRLFsJCnikUSYxJfWxEtLqZzZg3KjQqJP3Pikw9DpMg2WCp4lqCPN6rFLX5/E/0HQ14IGuMk93ENFVIJNcPrEPG9Z6q5vUioCiCWbLdEmAfxPFe6xQsi8qL8GynQMOb5ZdIXKPWI3NHK1Yw9rnUjzyltBqAOvCWdGizuBwzXLnLWzO+dyEqAk/cXWbAaOwaQsOIc7BfRRTYmQCv9mMQhmowWaR3I4Qdcb0k0cGkT+WPQQCPwF8gGROQInxSXS1IuNrUEtWh8Ba0vCxK/G7ADRh2Gj7KjAUEFglnPP7ozpHPJ5FhkCoaedP/IuxlJI6NJjoLKjUe9KT6MkfoPDDcyjzvVTCYeaTDCz8tosBZfTta25QhUmvuBJJ8M+vkzIpnyGpWNYoUVJc9XF3dHzUuDhAtuIzIu0mL5hPk0039K15KYhUNES9DkyJ0Y93cWViE2+yuA1gZxp3mBBkK3SLzSlqjwYptryAg6BFvQC+WH1JgmpnpcyB6gocJB7ZHljzQvYBAXsLtm6spOsHBw= 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