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Wysocki" , Jeremy Linton , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Russell King - ARM Linux admin , Heikki Krogerus , Marcin Wojtas , Pieter Jansen Van Vuuren , Jon , Saravana Kannan , Randy Dunlap , calvin.johnson@nxp.com Cc: Cristi Sovaiala , Florin Laurentiu Chiculita , Madalin Bucur , linux-arm-kernel@lists.infradead.org, Diana Madalina Craciun , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux.cj@gmail.com, netdev@vger.kernel.org, Laurentiu Tudor , Len Brown , "Rafael J . Wysocki" , Calvin Johnson , Ioana Ciornei Subject: [PATCH net-next v8 02/15] net: phy: Introduce fwnode_mdio_find_device() Date: Thu, 10 Jun 2021 19:39:04 +0300 Message-Id: <20210610163917.4138412-3-ciorneiioana@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210610163917.4138412-1-ciorneiioana@gmail.com> References: <20210610163917.4138412-1-ciorneiioana@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Calvin Johnson Define fwnode_mdio_find_device() to get a pointer to the mdio_device from fwnode passed to the function. Refactor of_mdio_find_device() to use fwnode_mdio_find_device(). Signed-off-by: Calvin Johnson Signed-off-by: Ioana Ciornei --- Changes in v8: None Changes in v7: - correct fwnode_mdio_find_device() description Changes in v6: - fix warning for function parameter of fwnode_mdio_find_device() Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None drivers/net/mdio/of_mdio.c | 11 +---------- drivers/net/phy/phy_device.c | 23 +++++++++++++++++++++++ include/linux/phy.h | 7 +++++++ 3 files changed, 31 insertions(+), 10 deletions(-) diff --git a/drivers/net/mdio/of_mdio.c b/drivers/net/mdio/of_mdio.c index 8e97d5b825f5..6ef8b6e40189 100644 --- a/drivers/net/mdio/of_mdio.c +++ b/drivers/net/mdio/of_mdio.c @@ -347,16 +347,7 @@ EXPORT_SYMBOL(of_mdiobus_register); */ struct mdio_device *of_mdio_find_device(struct device_node *np) { - struct device *d; - - if (!np) - return NULL; - - d = bus_find_device_by_of_node(&mdio_bus_type, np); - if (!d) - return NULL; - - return to_mdio_device(d); + return fwnode_mdio_find_device(of_fwnode_handle(np)); } EXPORT_SYMBOL(of_mdio_find_device); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 1539ea021ac0..363cc70d00ca 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -2863,6 +2863,29 @@ static bool phy_drv_supports_irq(struct phy_driver *phydrv) return phydrv->config_intr && phydrv->handle_interrupt; } +/** + * fwnode_mdio_find_device - Given a fwnode, find the mdio_device + * @fwnode: pointer to the mdio_device's fwnode + * + * If successful, returns a pointer to the mdio_device with the embedded + * struct device refcount incremented by one, or NULL on failure. + * The caller should call put_device() on the mdio_device after its use. + */ +struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) +{ + struct device *d; + + if (!fwnode) + return NULL; + + d = bus_find_device_by_fwnode(&mdio_bus_type, fwnode); + if (!d) + return NULL; + + return to_mdio_device(d); +} +EXPORT_SYMBOL(fwnode_mdio_find_device); + /** * 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 ed332ac92e25..7aa97f4e5387 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1377,10 +1377,17 @@ 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 mdio_device *fwnode_mdio_find_device(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 mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) +{ + return 0; +} + static inline struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) { -- 2.31.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.8 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 82E3EC47094 for ; 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Thu, 10 Jun 2021 09:40:20 -0700 (PDT) Received: from yoga-910.localhost ([188.26.52.84]) by smtp.gmail.com with ESMTPSA id e22sm1657166edv.57.2021.06.10.09.40.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Jun 2021 09:40:19 -0700 (PDT) From: Ioana Ciornei To: Grant Likely , "Rafael J . Wysocki" , Jeremy Linton , Andrew Lunn , Andy Shevchenko , Florian Fainelli , Russell King - ARM Linux admin , Heikki Krogerus , Marcin Wojtas , Pieter Jansen Van Vuuren , Jon , Saravana Kannan , Randy Dunlap , calvin.johnson@nxp.com Cc: Cristi Sovaiala , Florin Laurentiu Chiculita , Madalin Bucur , linux-arm-kernel@lists.infradead.org, Diana Madalina Craciun , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux.cj@gmail.com, netdev@vger.kernel.org, Laurentiu Tudor , Len Brown , "Rafael J . Wysocki" , Calvin Johnson , Ioana Ciornei Subject: [PATCH net-next v8 02/15] net: phy: Introduce fwnode_mdio_find_device() Date: Thu, 10 Jun 2021 19:39:04 +0300 Message-Id: <20210610163917.4138412-3-ciorneiioana@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210610163917.4138412-1-ciorneiioana@gmail.com> References: <20210610163917.4138412-1-ciorneiioana@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210610_094023_949542_1B0F4A93 X-CRM114-Status: GOOD ( 16.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Calvin Johnson Define fwnode_mdio_find_device() to get a pointer to the mdio_device from fwnode passed to the function. Refactor of_mdio_find_device() to use fwnode_mdio_find_device(). Signed-off-by: Calvin Johnson Signed-off-by: Ioana Ciornei --- Changes in v8: None Changes in v7: - correct fwnode_mdio_find_device() description Changes in v6: - fix warning for function parameter of fwnode_mdio_find_device() Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None drivers/net/mdio/of_mdio.c | 11 +---------- drivers/net/phy/phy_device.c | 23 +++++++++++++++++++++++ include/linux/phy.h | 7 +++++++ 3 files changed, 31 insertions(+), 10 deletions(-) diff --git a/drivers/net/mdio/of_mdio.c b/drivers/net/mdio/of_mdio.c index 8e97d5b825f5..6ef8b6e40189 100644 --- a/drivers/net/mdio/of_mdio.c +++ b/drivers/net/mdio/of_mdio.c @@ -347,16 +347,7 @@ EXPORT_SYMBOL(of_mdiobus_register); */ struct mdio_device *of_mdio_find_device(struct device_node *np) { - struct device *d; - - if (!np) - return NULL; - - d = bus_find_device_by_of_node(&mdio_bus_type, np); - if (!d) - return NULL; - - return to_mdio_device(d); + return fwnode_mdio_find_device(of_fwnode_handle(np)); } EXPORT_SYMBOL(of_mdio_find_device); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 1539ea021ac0..363cc70d00ca 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -2863,6 +2863,29 @@ static bool phy_drv_supports_irq(struct phy_driver *phydrv) return phydrv->config_intr && phydrv->handle_interrupt; } +/** + * fwnode_mdio_find_device - Given a fwnode, find the mdio_device + * @fwnode: pointer to the mdio_device's fwnode + * + * If successful, returns a pointer to the mdio_device with the embedded + * struct device refcount incremented by one, or NULL on failure. + * The caller should call put_device() on the mdio_device after its use. + */ +struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) +{ + struct device *d; + + if (!fwnode) + return NULL; + + d = bus_find_device_by_fwnode(&mdio_bus_type, fwnode); + if (!d) + return NULL; + + return to_mdio_device(d); +} +EXPORT_SYMBOL(fwnode_mdio_find_device); + /** * 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 ed332ac92e25..7aa97f4e5387 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1377,10 +1377,17 @@ 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 mdio_device *fwnode_mdio_find_device(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 mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) +{ + return 0; +} + static inline struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) { -- 2.31.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel