net: mdiobus: Debug print fwnode handle instead of raw pointer

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

commit 525034e
Author: Alexander Dahl <ada@thorsis.com>
Date:   Fri Sep 6 08:22:56 2024 +0200

    net: mdiobus: Debug print fwnode handle instead of raw pointer

    Was slightly misleading before, because printed is pointer to fwnode,
    not to phy device, as placement in message suggested.  Include header
    for dev_dbg() declaration while at it.

    Output before:

        [  +0.001247] mdio_bus f802c000.ethernet-ffffffff: registered phy 2612f00a fwnode at address 3

    Output after:

        [  +0.001229] mdio_bus f802c000.ethernet-ffffffff: registered phy fwnode /ahb/apb/ethernet@f802c000/ethernet-phy@3 at address 3

    Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
    Reviewed-by: Andrew Lunn <andrew@lunn.ch>
    Signed-off-by: Alexander Dahl <ada@thorsis.com>
    Link: https://patch.msgid.link/20240906062256.11289-1-ada@thorsis.com
    Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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

Author: rh-jkangas

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>
@@ -99,7 +100,7 @@ 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;
 }