[PATCH AUTOSEL 4.14 35/73] net: dsa: mv88e6xxx: Fix writing to a PHY page.

[Sasha Levin]

From: Andrew Lunn <and...@lunn.ch>

[ 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 <and...@lunn.ch>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/net/dsa/mv88e6xxx/phy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/dsa/mv88e6xxx/phy.c b/drivers/net/dsa/mv88e6xxx/phy.c
index 436668bd50dc..e53ce9610fee 100644
--- a/drivers/net/dsa/mv88e6xxx/phy.c
+++ b/drivers/net/dsa/mv88e6xxx/phy.c
@@ -110,6 +110,9 @@ int mv88e6xxx_phy_page_write(struct mv88e6xxx_chip *chip, 
int phy,
        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);
        }
 
-- 
2.17.1