[PATCH v3 12/23] net: miiphy: Introduce mdio_init()

[Marek Vasut]

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

Reviewed-by: Paul Barker <paul.barker.ct at bp.renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Cc: Christian Marangi <ansuelsmth at gmail.com>
Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
Cc: Jerome Forissier <jerome.forissier at linaro.org>
Cc: Jim Liu <JJLIU0 at nuvoton.com>
Cc: Joe Hershberger <joe.hershberger at ni.com>
Cc: Mario Six <mario.six at gdsys.cc>
Cc: Michal Simek <michal.simek at amd.com>
Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
Cc: Paul Barker <paul.barker.ct at bp.renesas.com>
Cc: Ramon Fried <rfried.dev at gmail.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Sughosh Ganu <sughosh.ganu at linaro.org>
Cc: Tom Rini <trini at konsulko.com>
Cc: u-boot at lists.denx.de
---
V2: No change
V3: - Add net: subject prefix
    - Add RB from Paul
---
 common/miiphyutil.c | 13 +++++++++----
 include/miiphy.h    |  1 +
 2 files changed, 10 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;
 }
diff --git a/include/miiphy.h b/include/miiphy.h
index 0464f5dc219..40eb14669b8 100644
--- a/include/miiphy.h
+++ b/include/miiphy.h
@@ -44,6 +44,7 @@ struct phy_device *mdio_phydev_for_ethname(const char *devname);
 
 void miiphy_listdev(void);
 
+void mdio_init(struct mii_dev *bus);
 struct mii_dev *mdio_alloc(void);
 void mdio_free(struct mii_dev *bus);
 int mdio_register(struct mii_dev *bus);
-- 
2.47.2