net: phy: use ->is_c45 instead of is_10g_interface()

Use phydev->is_c45 instead of is_10g_interface(phydev->interface) to
determine whether clause 45 protocol should be used.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index ba7b361..7f21c55 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -632,10 +632,10 @@
 	return err;
 }
 
-static struct phy_driver *generic_for_interface(phy_interface_t interface)
+static struct phy_driver *generic_for_phy(struct phy_device *phydev)
 {
 #ifdef CONFIG_PHYLIB_10G
-	if (is_10g_interface(interface))
+	if (phydev->is_c45)
 		return &gen10g_driver;
 #endif
 
@@ -656,7 +656,7 @@
 	}
 
 	/* If we made it here, there's no driver for this PHY */
-	return generic_for_interface(interface);
+	return generic_for_phy(phydev);
 }
 
 struct phy_device *phy_device_create(struct mii_dev *bus, int addr,
@@ -859,7 +859,7 @@
 
 #ifdef CONFIG_PHYLIB_10G
 	/* If it's 10G, we need to issue reset through one of the MMDs */
-	if (is_10g_interface(phydev->interface)) {
+	if (phydev->is_c45) {
 		if (!phydev->mmds)
 			gen10g_discover_mmds(phydev);