From: Ioana Ciornei <ciorneiioana@gmail.com> To: Grant Likely <grant.likely@arm.com>, "Rafael J . Wysocki" <rafael@kernel.org>, Jeremy Linton <jeremy.linton@arm.com>, Andrew Lunn <andrew@lunn.ch>, Andy Shevchenko <andy.shevchenko@gmail.com>, Florian Fainelli <f.fainelli@gmail.com>, Russell King - ARM Linux admin <linux@armlinux.org.uk>, Heikki Krogerus <heikki.krogerus@linux.intel.com>, Marcin Wojtas <mw@semihalf.com>, Pieter Jansen Van Vuuren <pieter.jansenvv@bamboosystems.io>, Jon <jon@solid-run.com>, Saravana Kannan <saravanak@google.com>, Randy Dunlap <rdunlap@infradead.org>, calvin.johnson@nxp.com Cc: Cristi Sovaiala <cristian.sovaiala@nxp.com>, Florin Laurentiu Chiculita <florinlaurentiu.chiculita@nxp.com>, Madalin Bucur <madalin.bucur@nxp.com>, linux-arm-kernel@lists.infradead.org, Diana Madalina Craciun <diana.craciun@nxp.com>, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux.cj@gmail.com, netdev@vger.kernel.org, Laurentiu Tudor <laurentiu.tudor@nxp.com>, Len Brown <lenb@kernel.org>, "Rafael J . Wysocki" <rjw@rjwysocki.net>, Calvin Johnson <calvin.johnson@oss.nxp.com>, Ioana Ciornei <ioana.ciornei@nxp.com> Subject: [PATCH net-next v8 03/15] net: phy: Introduce phy related fwnode functions Date: Thu, 10 Jun 2021 19:39:05 +0300 [thread overview] Message-ID: <20210610163917.4138412-4-ciorneiioana@gmail.com> (raw) In-Reply-To: <20210610163917.4138412-1-ciorneiioana@gmail.com> From: Calvin Johnson <calvin.johnson@oss.nxp.com> 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 <calvin.johnson@oss.nxp.com> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> --- Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: - Add more info on legacy DT properties "phy" and "phy-device" - Redefine fwnode_phy_find_device() to follow of_phy_find_device() Changes in v2: - use reverse christmas tree ordering for local variables drivers/net/phy/phy_device.c | 62 ++++++++++++++++++++++++++++++++++++ include/linux/phy.h | 20 ++++++++++++ 2 files changed, 82 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 363cc70d00ca..f651c4feb49f 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -9,6 +9,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/acpi.h> #include <linux/bitmap.h> #include <linux/delay.h> #include <linux/errno.h> @@ -2886,6 +2887,67 @@ struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) } EXPORT_SYMBOL(fwnode_mdio_find_device); +/** + * fwnode_phy_find_device - For provided phy_fwnode, find phy_device. + * + * @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 mdio_device *mdiodev; + + mdiodev = fwnode_mdio_find_device(phy_fwnode); + if (!mdiodev) + return NULL; + + if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY) + return to_phy_device(&mdiodev->dev); + + put_device(&mdiodev->dev); + + 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(). + * For ACPI, only "phy-handle" is supported. Legacy DT properties "phy" + * and "phy-device" are not supported in ACPI. DT supports all the three + * named references to the phy node. + */ +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode) +{ + struct fwnode_handle *phy_node; + + /* Only phy-handle is used for ACPI */ + phy_node = fwnode_find_reference(fwnode, "phy-handle", 0); + if (is_acpi_node(fwnode) || !IS_ERR(phy_node)) + return phy_node; + phy_node = fwnode_find_reference(fwnode, "phy", 0); + if (IS_ERR(phy_node)) + phy_node = fwnode_find_reference(fwnode, "phy-device", 0); + return phy_node; +} +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 7aa97f4e5387..f9b5fb099fa6 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1378,6 +1378,9 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, 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 *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); @@ -1388,6 +1391,23 @@ struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) return 0; } +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; +} + +static inline +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) { -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Ioana Ciornei <ciorneiioana@gmail.com> To: Grant Likely <grant.likely@arm.com>, "Rafael J . Wysocki" <rafael@kernel.org>, Jeremy Linton <jeremy.linton@arm.com>, Andrew Lunn <andrew@lunn.ch>, Andy Shevchenko <andy.shevchenko@gmail.com>, Florian Fainelli <f.fainelli@gmail.com>, Russell King - ARM Linux admin <linux@armlinux.org.uk>, Heikki Krogerus <heikki.krogerus@linux.intel.com>, Marcin Wojtas <mw@semihalf.com>, Pieter Jansen Van Vuuren <pieter.jansenvv@bamboosystems.io>, Jon <jon@solid-run.com>, Saravana Kannan <saravanak@google.com>, Randy Dunlap <rdunlap@infradead.org>, calvin.johnson@nxp.com Cc: Cristi Sovaiala <cristian.sovaiala@nxp.com>, Florin Laurentiu Chiculita <florinlaurentiu.chiculita@nxp.com>, Madalin Bucur <madalin.bucur@nxp.com>, linux-arm-kernel@lists.infradead.org, Diana Madalina Craciun <diana.craciun@nxp.com>, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux.cj@gmail.com, netdev@vger.kernel.org, Laurentiu Tudor <laurentiu.tudor@nxp.com>, Len Brown <lenb@kernel.org>, "Rafael J . Wysocki" <rjw@rjwysocki.net>, Calvin Johnson <calvin.johnson@oss.nxp.com>, Ioana Ciornei <ioana.ciornei@nxp.com> Subject: [PATCH net-next v8 03/15] net: phy: Introduce phy related fwnode functions Date: Thu, 10 Jun 2021 19:39:05 +0300 [thread overview] Message-ID: <20210610163917.4138412-4-ciorneiioana@gmail.com> (raw) In-Reply-To: <20210610163917.4138412-1-ciorneiioana@gmail.com> From: Calvin Johnson <calvin.johnson@oss.nxp.com> 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 <calvin.johnson@oss.nxp.com> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> --- Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: - Add more info on legacy DT properties "phy" and "phy-device" - Redefine fwnode_phy_find_device() to follow of_phy_find_device() Changes in v2: - use reverse christmas tree ordering for local variables drivers/net/phy/phy_device.c | 62 ++++++++++++++++++++++++++++++++++++ include/linux/phy.h | 20 ++++++++++++ 2 files changed, 82 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 363cc70d00ca..f651c4feb49f 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -9,6 +9,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/acpi.h> #include <linux/bitmap.h> #include <linux/delay.h> #include <linux/errno.h> @@ -2886,6 +2887,67 @@ struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) } EXPORT_SYMBOL(fwnode_mdio_find_device); +/** + * fwnode_phy_find_device - For provided phy_fwnode, find phy_device. + * + * @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 mdio_device *mdiodev; + + mdiodev = fwnode_mdio_find_device(phy_fwnode); + if (!mdiodev) + return NULL; + + if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY) + return to_phy_device(&mdiodev->dev); + + put_device(&mdiodev->dev); + + 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(). + * For ACPI, only "phy-handle" is supported. Legacy DT properties "phy" + * and "phy-device" are not supported in ACPI. DT supports all the three + * named references to the phy node. + */ +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode) +{ + struct fwnode_handle *phy_node; + + /* Only phy-handle is used for ACPI */ + phy_node = fwnode_find_reference(fwnode, "phy-handle", 0); + if (is_acpi_node(fwnode) || !IS_ERR(phy_node)) + return phy_node; + phy_node = fwnode_find_reference(fwnode, "phy", 0); + if (IS_ERR(phy_node)) + phy_node = fwnode_find_reference(fwnode, "phy-device", 0); + return phy_node; +} +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 7aa97f4e5387..f9b5fb099fa6 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1378,6 +1378,9 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, 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 *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); @@ -1388,6 +1391,23 @@ struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) return 0; } +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; +} + +static inline +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) { -- 2.31.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-10 16:40 UTC|newest] Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-10 16:39 [PATCH net-next v8 00/15] ACPI support for dpaa2 driver Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 01/15] Documentation: ACPI: DSD: Document MDIO PHY Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 18:05 ` Rafael J. Wysocki 2021-06-10 18:05 ` Rafael J. Wysocki 2021-06-10 18:23 ` Grant Likely 2021-06-10 18:23 ` Grant Likely 2021-06-10 18:31 ` Rafael J. Wysocki 2021-06-10 18:31 ` Rafael J. Wysocki 2021-06-10 18:11 ` Grant Likely 2021-06-10 18:11 ` Grant Likely 2021-06-10 16:39 ` [PATCH net-next v8 02/15] net: phy: Introduce fwnode_mdio_find_device() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei [this message] 2021-06-10 16:39 ` [PATCH net-next v8 03/15] net: phy: Introduce phy related fwnode functions Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 04/15] of: mdio: Refactor of_phy_find_device() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 05/15] net: phy: Introduce fwnode_get_phy_id() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 06/15] of: mdio: Refactor of_get_phy_id() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 07/15] net: mii_timestamper: check NULL in unregister_mii_timestamper() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 08/15] net: mdiobus: Introduce fwnode_mdiobus_register_phy() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 09/15] of: mdio: Refactor of_mdiobus_register_phy() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 10/15] ACPI: utils: Introduce acpi_get_local_address() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 18:09 ` Rafael J. Wysocki 2021-06-10 18:09 ` Rafael J. Wysocki 2021-06-10 16:39 ` [PATCH net-next v8 11/15] net: mdio: Add ACPI support code for mdio Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 18:19 ` Rafael J. Wysocki 2021-06-10 18:19 ` Rafael J. Wysocki 2021-06-10 16:39 ` [PATCH net-next v8 12/15] net/fsl: Use [acpi|of]_mdiobus_register Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-11 8:57 ` Andy Shevchenko 2021-06-11 8:57 ` Andy Shevchenko 2021-06-10 16:39 ` [PATCH net-next v8 13/15] net: phylink: introduce phylink_fwnode_phy_connect() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 14/15] net: phylink: Refactor phylink_of_phy_connect() Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 16:39 ` [PATCH net-next v8 15/15] net: dpaa2-mac: Add ACPI support for DPAA2 MAC driver Ioana Ciornei 2021-06-10 16:39 ` Ioana Ciornei 2021-06-10 18:23 ` Rafael J. Wysocki 2021-06-10 18:23 ` Rafael J. Wysocki 2021-06-10 16:56 ` [PATCH net-next v8 00/15] ACPI support for dpaa2 driver Andrew Lunn 2021-06-10 16:56 ` Andrew Lunn 2021-06-10 17:51 ` Jon Nettleton 2021-06-10 17:51 ` Jon Nettleton 2021-06-10 18:25 ` Rafael J. Wysocki 2021-06-10 18:25 ` Rafael J. Wysocki 2021-06-10 18:27 ` Grant Likely 2021-06-10 18:27 ` Grant Likely 2021-06-10 18:40 ` Andrew Lunn 2021-06-10 18:40 ` Andrew Lunn 2021-06-10 18:19 ` Grant Likely 2021-06-10 18:19 ` Grant Likely 2021-06-11 9:00 ` Andy Shevchenko 2021-06-11 9:00 ` Andy Shevchenko 2021-06-11 9:17 ` Ioana Ciornei 2021-06-11 9:17 ` Ioana Ciornei
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210610163917.4138412-4-ciorneiioana@gmail.com \ --to=ciorneiioana@gmail.com \ --cc=andrew@lunn.ch \ --cc=andy.shevchenko@gmail.com \ --cc=calvin.johnson@nxp.com \ --cc=calvin.johnson@oss.nxp.com \ --cc=cristian.sovaiala@nxp.com \ --cc=diana.craciun@nxp.com \ --cc=f.fainelli@gmail.com \ --cc=florinlaurentiu.chiculita@nxp.com \ --cc=grant.likely@arm.com \ --cc=heikki.krogerus@linux.intel.com \ --cc=ioana.ciornei@nxp.com \ --cc=jeremy.linton@arm.com \ --cc=jon@solid-run.com \ --cc=laurentiu.tudor@nxp.com \ --cc=lenb@kernel.org \ --cc=linux-acpi@vger.kernel.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux.cj@gmail.com \ --cc=linux@armlinux.org.uk \ --cc=madalin.bucur@nxp.com \ --cc=mw@semihalf.com \ --cc=netdev@vger.kernel.org \ --cc=pieter.jansenvv@bamboosystems.io \ --cc=rafael@kernel.org \ --cc=rdunlap@infradead.org \ --cc=rjw@rjwysocki.net \ --cc=saravanak@google.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.