Linux-ACPI Archive on lore.kernel.org
 help / color / Atom feed
From: Calvin Johnson <calvin.johnson@oss.nxp.com>
To: Jeremy Linton <jeremy.linton@arm.com>,
	Russell King - ARM Linux admin <linux@armlinux.org.uk>,
	Jon <jon@solid-run.com>,
	Cristi Sovaiala <cristian.sovaiala@nxp.com>,
	Ioana Ciornei <ioana.ciornei@nxp.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Andy Shevchenko <andy.shevchenko@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Madalin Bucur <madalin.bucur@oss.nxp.com>
Cc: netdev@vger.kernel.org, linux.cj@gmail.com,
	linux-acpi@vger.kernel.org,
	Calvin Johnson <calvin.johnson@oss.nxp.com>
Subject: [net-next PATCH v7 2/6] net: phy: introduce device_mdiobus_register()
Date: Wed, 15 Jul 2020 14:33:56 +0530
Message-ID: <20200715090400.4733-3-calvin.johnson@oss.nxp.com> (raw)
In-Reply-To: <20200715090400.4733-1-calvin.johnson@oss.nxp.com>

Introduce device_mdiobus_register() to register mdiobus
in cases of either DT or ACPI.

Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com>

---

Changes in v7: None
Changes in v6:
- change device_mdiobus_register() parameter position
- improve documentation

Changes in v5:
- add description
- clean up if else

Changes in v4: None
Changes in v3: None
Changes in v2: None

 drivers/net/phy/mdio_bus.c | 26 ++++++++++++++++++++++++++
 include/linux/mdio.h       |  1 +
 2 files changed, 27 insertions(+)

diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 46b33701ad4b..8610f938f81f 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -501,6 +501,32 @@ static int mdiobus_create_device(struct mii_bus *bus,
 	return ret;
 }
 
+/**
+ * device_mdiobus_register - register mdiobus for either DT or ACPI
+ * @bus: target mii_bus
+ * @dev: given MDIO device
+ *
+ * Description: Given an MDIO device and target mii bus, this function
+ * calls of_mdiobus_register() for DT node and mdiobus_register() in
+ * case of ACPI.
+ *
+ * Returns 0 on success or negative error code on failure.
+ */
+int device_mdiobus_register(struct device *dev,
+			    struct mii_bus *bus)
+{
+	struct fwnode_handle *fwnode = dev_fwnode(dev);
+
+	if (is_of_node(fwnode))
+		return of_mdiobus_register(bus, to_of_node(fwnode));
+	if (fwnode) {
+		bus->dev.fwnode = fwnode;
+		return mdiobus_register(bus);
+	}
+	return -ENODEV;
+}
+EXPORT_SYMBOL(device_mdiobus_register);
+
 /**
  * __mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
  * @bus: target mii_bus
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index 898cbf00332a..f454c5435101 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -358,6 +358,7 @@ static inline int mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad,
 	return mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum));
 }
 
+int device_mdiobus_register(struct device *dev, struct mii_bus *bus);
 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);
-- 
2.17.1


  parent reply index

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-15  9:03 [net-next PATCH v7 0/6] ACPI support for dpaa2 MAC driver Calvin Johnson
2020-07-15  9:03 ` [net-next PATCH v7 1/6] Documentation: ACPI: DSD: Document MDIO PHY Calvin Johnson
2020-07-16  3:04   ` Florian Fainelli
2020-07-16  3:11     ` Andrew Lunn
2020-07-23 23:26   ` Jeremy Linton
2020-07-24 13:39     ` Andrew Lunn
2020-07-24 17:26       ` Jeremy Linton
2020-07-24 17:39         ` Florian Fainelli
2020-07-24 19:20           ` Andrew Lunn
2020-07-24 20:12             ` Andy Shevchenko
2020-07-24 20:13               ` Florian Fainelli
2020-07-24 20:20                 ` Andy Shevchenko
2020-07-25  7:36                   ` Calvin Johnson
2020-07-25 10:48                     ` Andy Shevchenko
2020-07-24 21:06               ` Russell King - ARM Linux admin
2020-07-27 17:03             ` Sudeep Holla
2020-07-24 19:14         ` Andrew Lunn
2020-07-27 17:21           ` Sudeep Holla
2020-07-28 20:34             ` Andrew Lunn
2020-07-28 20:59               ` Russell King - ARM Linux admin
2020-07-28 21:26                 ` Andy Shevchenko
2020-07-29 16:00               ` Rafael J. Wysocki
2020-07-31 15:08                 ` Andrew Lunn
2020-07-27 17:32           ` Jon Nettleton
     [not found]           ` <1595922651-sup-5323@galangal.danc.bne.opengear.com>
2020-07-28 20:45             ` Andrew Lunn
2020-07-28 20:56               ` Florian Fainelli
2020-07-28 21:28                 ` Andy Shevchenko
2020-07-28 21:40                   ` Florian Fainelli
2020-07-31 15:14                   ` Andrew Lunn
2020-07-28 22:30             ` Jeremy Linton
2020-07-29  0:39               ` Florian Fainelli
2020-07-29  2:53                 ` Jeremy Linton
2020-07-29  3:16                   ` Florian Fainelli
2020-07-29  8:43                   ` Jon Nettleton
2020-07-29  9:39                     ` Calvin Johnson
2020-07-15  9:03 ` Calvin Johnson [this message]
2020-07-16  3:05   ` [net-next PATCH v7 2/6] net: phy: introduce device_mdiobus_register() Florian Fainelli
2020-07-15  9:03 ` [net-next PATCH v7 3/6] net/fsl: use device_mdiobus_register() Calvin Johnson
2020-07-16  3:05   ` Florian Fainelli
2020-07-15  9:03 ` [net-next PATCH v7 4/6] net: phy: introduce phy_find_by_mdio_handle() Calvin Johnson
2020-07-16  3:06   ` Florian Fainelli
2020-07-15  9:03 ` [net-next PATCH v7 5/6] phylink: introduce phylink_fwnode_phy_connect() Calvin Johnson
2020-07-15  9:04 ` [net-next PATCH v7 6/6] net: dpaa2-mac: Add ACPI support for DPAA2 MAC driver Calvin Johnson
2020-07-25 14:23 [net-next PATCH v7 0/6] ACPI support for dpaa2 " Calvin Johnson
2020-07-25 14:24 ` [net-next PATCH v7 2/6] net: phy: introduce device_mdiobus_register() Calvin Johnson

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=20200715090400.4733-3-calvin.johnson@oss.nxp.com \
    --to=calvin.johnson@oss.nxp.com \
    --cc=andrew@lunn.ch \
    --cc=andy.shevchenko@gmail.com \
    --cc=cristian.sovaiala@nxp.com \
    --cc=f.fainelli@gmail.com \
    --cc=ioana.ciornei@nxp.com \
    --cc=jeremy.linton@arm.com \
    --cc=jon@solid-run.com \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux.cj@gmail.com \
    --cc=linux@armlinux.org.uk \
    --cc=madalin.bucur@oss.nxp.com \
    --cc=netdev@vger.kernel.org \
    /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: link

Linux-ACPI Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-acpi/0 linux-acpi/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-acpi linux-acpi/ https://lore.kernel.org/linux-acpi \
		linux-acpi@vger.kernel.org
	public-inbox-index linux-acpi

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-acpi


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git