As a preparation patch to extend MDIO capabilities in the ACPI world,
introduce fwnode_mdiobus_register_device() to register non-PHY
devices on the mdiobus.
While at it, also use the newly introduced fwnode operation in
of_mdiobus_phy_device_register().
Signed-off-by: Marcin Wojtas <mw@xxxxxxxxxxxx>
---
include/linux/fwnode_mdio.h | 3 ++
drivers/net/mdio/fwnode_mdio.c | 29 ++++++++++++++++++++
drivers/net/mdio/of_mdio.c | 26 +-----------------
3 files changed, 33 insertions(+), 25 deletions(-)
diff --git a/include/linux/fwnode_mdio.h b/include/linux/fwnode_mdio.h
index 98755b8c6c8a..39d74c5d1bb0 100644
--- a/include/linux/fwnode_mdio.h
+++ b/include/linux/fwnode_mdio.h
@@ -16,6 +16,9 @@ int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
int fwnode_mdiobus_register_phy(struct mii_bus *bus,
struct fwnode_handle *child, u32 addr);
+int fwnode_mdiobus_register_device(struct mii_bus *mdio,
+ struct fwnode_handle *child, u32 addr);
+
int fwnode_phy_register_fixed_link(struct fwnode_handle *fwnode);
void fwnode_phy_deregister_fixed_link(struct fwnode_handle *fwnode);
diff --git a/drivers/net/mdio/fwnode_mdio.c b/drivers/net/mdio/fwnode_mdio.c
index b1c20c48b6cb..97abfaf88030 100644
--- a/drivers/net/mdio/fwnode_mdio.c
+++ b/drivers/net/mdio/fwnode_mdio.c
@@ -149,6 +149,35 @@ int fwnode_mdiobus_register_phy(struct mii_bus *bus,
}
EXPORT_SYMBOL(fwnode_mdiobus_register_phy);
+int fwnode_mdiobus_register_device(struct mii_bus *mdio,
+ struct fwnode_handle *child, u32 addr)
+{
+ struct mdio_device *mdiodev;
+ int rc;
+
+ mdiodev = mdio_device_create(mdio, addr);
+ if (IS_ERR(mdiodev))
+ return PTR_ERR(mdiodev);
+
+ /* Associate the fwnode with the device structure so it
+ * can be looked up later.
+ */
+ device_set_node(&mdiodev->dev, child);
+
+ /* All data is now stored in the mdiodev struct; register it. */
+ rc = mdio_device_register(mdiodev);
+ if (rc) {
+ mdio_device_free(mdiodev);
+ fwnode_handle_put(child);
+ return rc;
+ }
+
+ dev_dbg(&mdio->dev, "registered mdio device %p fwnode at address %i\n",
+ child, addr);
+ return 0;
+}
+EXPORT_SYMBOL(fwnode_mdiobus_register_device);
+
/*
* fwnode_phy_is_fixed_link() and fwnode_phy_register_fixed_link() must
* support two bindings:
diff --git a/drivers/net/mdio/of_mdio.c b/drivers/net/mdio/of_mdio.c
index 409da6e92f7d..522dbee419fe 100644
--- a/drivers/net/mdio/of_mdio.c
+++ b/drivers/net/mdio/of_mdio.c
@@ -51,31 +51,7 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio,
static int of_mdiobus_register_device(struct mii_bus *mdio,
struct device_node *child, u32 addr)
{
- struct fwnode_handle *fwnode = of_fwnode_handle(child);
- struct mdio_device *mdiodev;
- int rc;
-
- mdiodev = mdio_device_create(mdio, addr);
- if (IS_ERR(mdiodev))
- return PTR_ERR(mdiodev);
-
- /* Associate the OF node with the device structure so it
- * can be looked up later.
- */
- fwnode_handle_get(fwnode);
- device_set_node(&mdiodev->dev, fwnode);
-
- /* All data is now stored in the mdiodev struct; register it. */
- rc = mdio_device_register(mdiodev);
- if (rc) {
- mdio_device_free(mdiodev);
- of_node_put(child);
- return rc;
- }
-
- dev_dbg(&mdio->dev, "registered mdio device %pOFn at address %i\n",
- child, addr);
- return 0;
+ return fwnode_mdiobus_register_device(mdio, of_fwnode_handle(child), addr);
}
/* The following is a list of PHY compatible strings which appear in
--
2.29.0
