net: miiphy: Introduce mdio_init()

Introduce mdio_init() split off from mdio_alloc(), which is used
to initialize already allocated struct mii_dev.

Reviewed-by: Paul Barker <[email protected]>
Signed-off-by: Marek Vasut <[email protected]>

1 files changed, 9 insertions, 4 deletions

diff --git a/common/miiphyutil.c b/common/miiphyutil.c
index 9b8744e5d8b..2a034d3a77c 100644
--- a/common/miiphyutil.c
+++ b/common/miiphyutil.c
@@ -65,6 +65,14 @@ void miiphy_init(void)
 	current_mii = NULL;
 }
 
+void mdio_init(struct mii_dev *bus)
+{
+	memset(bus, 0, sizeof(*bus));
+
+	/* initialize mii_dev struct fields */
+	INIT_LIST_HEAD(&bus->link);
+}
+
 struct mii_dev *mdio_alloc(void)
 {
 	struct mii_dev *bus;
@@ -73,10 +81,7 @@ struct mii_dev *mdio_alloc(void)
 	if (!bus)
 		return bus;
 
-	memset(bus, 0, sizeof(*bus));
-
-	/* initalize mii_dev struct fields */
-	INIT_LIST_HEAD(&bus->link);
+	mdio_init(bus);
 
 	return bus;
 }