summaryrefslogtreecommitdiffstats
path: root/drivers/net/phy/marvell.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/phy/marvell.c')
-rw-r--r--drivers/net/phy/marvell.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index dd6f54d1b495..6f69b9ba0df8 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -155,8 +155,27 @@ static int marvell_config_aneg(struct phy_device *phydev)
return err;
err = genphy_config_aneg(phydev);
+ if (err < 0)
+ return err;
- return err;
+ if (phydev->autoneg != AUTONEG_ENABLE) {
+ int bmcr;
+
+ /*
+ * A write to speed/duplex bits (that is performed by
+ * genphy_config_aneg() call above) must be followed by
+ * a software reset. Otherwise, the write has no effect.
+ */
+ bmcr = phy_read(phydev, MII_BMCR);
+ if (bmcr < 0)
+ return bmcr;
+
+ err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
}
static int m88e1121_config_aneg(struct phy_device *phydev)