[net-next PATCH v7 12/16] net: mdiobus: Introduce fwnode_mdiobus_register()

[Calvin Johnson]

Introduce fwnode_mdiobus_register() to register PHYs on the  mdiobus.
If the fwnode is DT node, then call of_mdiobus_register().
If it is an ACPI node, then call acpi_mdiobus_register().

Signed-off-by: Calvin Johnson <calvin.johnson@xxxxxxxxxxx>
---

Changes in v7:
- Move fwnode_mdiobus_register() to fwnode_mdio.c

Changes in v6: None
Changes in v5: None
Changes in v4:
- Remove redundant else from fwnode_mdiobus_register()

Changes in v3:
- Use acpi_mdiobus_register()

Changes in v2: None

 drivers/net/mdio/fwnode_mdio.c | 21 +++++++++++++++++++++
 include/linux/fwnode_mdio.h    |  5 +++++
 2 files changed, 26 insertions(+)

diff --git a/drivers/net/mdio/fwnode_mdio.c b/drivers/net/mdio/fwnode_mdio.c
index 0982e816a6fb..523c2778b287 100644
--- a/drivers/net/mdio/fwnode_mdio.c
+++ b/drivers/net/mdio/fwnode_mdio.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/acpi.h>
+#include <linux/acpi_mdio.h>
 #include <linux/of.h>
 #include <linux/of_mdio.h>
 #include <linux/phy.h>
@@ -75,3 +76,23 @@ int fwnode_mdiobus_register_phy(struct mii_bus *bus,
 	return 0;
 }
 EXPORT_SYMBOL(fwnode_mdiobus_register_phy);
+
+/**
+ * fwnode_mdiobus_register - Register mii_bus and create PHYs from fwnode
+ * @mdio: pointer to mii_bus structure
+ * @fwnode: pointer to fwnode of MDIO bus.
+ *
+ * This function returns of_mdiobus_register() for DT and
+ * acpi_mdiobus_register() for ACPI.
+ */
+int fwnode_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode)
+{
+	if (is_of_node(fwnode))
+		return of_mdiobus_register(mdio, to_of_node(fwnode));
+
+	if (is_acpi_node(fwnode))
+		return acpi_mdiobus_register(mdio, fwnode);
+
+	return -EINVAL;
+}
+EXPORT_SYMBOL(fwnode_mdiobus_register);
diff --git a/include/linux/fwnode_mdio.h b/include/linux/fwnode_mdio.h
index 8c0392845916..20f22211260b 100644
--- a/include/linux/fwnode_mdio.h
+++ b/include/linux/fwnode_mdio.h
@@ -12,6 +12,7 @@
 int fwnode_mdiobus_register_phy(struct mii_bus *bus,
 				struct fwnode_handle *child, u32 addr);
 
+int fwnode_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode);
 #else /* CONFIG_FWNODE_MDIO */
 static inline int fwnode_mdiobus_register_phy(struct mii_bus *bus,
 					      struct fwnode_handle *child,
@@ -19,6 +20,10 @@ static inline int fwnode_mdiobus_register_phy(struct mii_bus *bus,
 {
 	return -EINVAL;
 }
+static int fwnode_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode)
+{
+	return -EINVAL;
+}
 #endif
 
 #endif /* __LINUX_FWNODE_MDIO_H */
-- 
2.17.1