[PATCH 4.18 125/350] net: dsa: mv88e6xxx: Fix writing to a PHY page.

[Greg Kroah-Hartman]

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrew Lunn <andrew@xxxxxxx>

[ Upstream commit c309b158090d788e96ee597444965cb79b040484 ]

After changing to the needed page, actually write the value to the
register!

Fixes: 09cb7dfd3f14 ("net: dsa: mv88e6xxx: describe PHY page and SerDes")
Signed-off-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/dsa/mv88e6xxx/phy.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/net/dsa/mv88e6xxx/phy.c
+++ b/drivers/net/dsa/mv88e6xxx/phy.c
@@ -110,6 +110,9 @@ int mv88e6xxx_phy_page_write(struct mv88
 	err = mv88e6xxx_phy_page_get(chip, phy, page);
 	if (!err) {
 		err = mv88e6xxx_phy_write(chip, phy, MV88E6XXX_PHY_PAGE, page);
+		if (!err)
+			err = mv88e6xxx_phy_write(chip, phy, reg, val);
+
 		mv88e6xxx_phy_page_put(chip, phy);
 	}