Merge: net: backport ethernet-phy-ieee802.3-c45 fixes

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/6345

## Summary of Changes

Backport missing fixes for the ethernet-phy-ieee802.3-c45 driver.

## Approved Development Ticket(s)

JIRA: https://issues.redhat.com/browse/RHEL-78049

Signed-off-by: Jared Kangas <jkangas@redhat.com>

Approved-by: Radu Rendec <rrendec@redhat.com>
Approved-by: Aaron Brookner <abrookne@redhat.com>
Approved-by: José Ignacio Tornos Martínez <jtornosm@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: Patrick Talbert <ptalbert@redhat.com>

Author: ptalbert

drivers/net/mdio/fwnode_mdio.c

@@ -7,6 +7,7 @@
  */
 
 #include <linux/acpi.h>
+#include <linux/dev_printk.h>
 #include <linux/fwnode_mdio.h>
 #include <linux/of.h>
 #include <linux/phy.h>
@@ -39,6 +40,7 @@ fwnode_find_pse_control(struct fwnode_handle *fwnode)
 static struct mii_timestamper *
 fwnode_find_mii_timestamper(struct fwnode_handle *fwnode)
 {
+	struct mii_timestamper *mii_ts;
 	struct of_phandle_args arg;
 	int err;
 
@@ -52,10 +54,16 @@ fwnode_find_mii_timestamper(struct fwnode_handle *fwnode)
 	else if (err)
 		return ERR_PTR(err);
 
-	if (arg.args_count != 1)
-		return ERR_PTR(-EINVAL);
+	if (arg.args_count != 1) {
+		mii_ts = ERR_PTR(-EINVAL);
+		goto put_node;
+	}
+
+	mii_ts = register_mii_timestamper(arg.np, arg.args[0]);
 
-	return register_mii_timestamper(arg.np, arg.args[0]);
+put_node:
+	of_node_put(arg.np);
+	return mii_ts;
 }
 
 int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
@@ -99,7 +107,7 @@ int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
 		return rc;
 	}
 
-	dev_dbg(&mdio->dev, "registered phy %p fwnode at address %i\n",
+	dev_dbg(&mdio->dev, "registered phy fwnode %pfw at address %i\n",
 		child, addr);
 	return 0;
 }
@@ -111,7 +119,7 @@ int fwnode_mdiobus_register_phy(struct mii_bus *bus,
 	struct mii_timestamper *mii_ts = NULL;
 	struct pse_control *psec = NULL;
 	struct phy_device *phy;
-	bool is_c45 = false;
+	bool is_c45;
 	u32 phy_id;
 	int rc;
 
@@ -125,11 +133,7 @@ int fwnode_mdiobus_register_phy(struct mii_bus *bus,
 		goto clean_pse;
 	}
 
-	rc = fwnode_property_match_string(child, "compatible",
-					  "ethernet-phy-ieee802.3-c45");
-	if (rc >= 0)
-		is_c45 = true;
-
+	is_c45 = fwnode_device_is_compatible(child, "ethernet-phy-ieee802.3-c45");
 	if (is_c45 || fwnode_get_phy_id(child, &phy_id))
 		phy = get_phy_device(bus, addr, is_c45);
 	else