@@ -9,6 +9,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/acpi.h>
+#include <linux/acpi_mdio.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/errno.h>
@@ -566,6 +567,26 @@ static int mdiobus_create_device(struct mii_bus *bus,
return ret;
}
+/**
+ * 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);
+
/**
* __mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
* @bus: target mii_bus
@@ -391,6 +391,7 @@ static inline struct mii_bus *mdiobus_alloc(void)
return mdiobus_alloc_size(0);
}
+int fwnode_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode);
int __mdiobus_register(struct mii_bus *bus, struct module *owner);
int __devm_mdiobus_register(struct device *dev, struct mii_bus *bus,
struct module *owner);
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@oss.nxp.com> --- 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/phy/mdio_bus.c | 21 +++++++++++++++++++++ include/linux/phy.h | 1 + 2 files changed, 22 insertions(+)