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net: netcp: Do not clobber PHY link outside of state machine 

Calling phy_read_status() means that we may call into
genphy_read_status() which in turn will use genphy_update_link() which
can make changes to phydev->link outside of the state machine's state
transitions. This is an invalid behavior that is now caught as off
811a919135 ("phy state machine: failsafe leave invalid RUNNING state")

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2017-02-06 15:55:22 -08:00 committed by David S. Miller
parent 482ff9fdc8
commit 6136c8fe53
1 changed files with 0 additions and 2 deletions
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2
drivers/net/ethernet/ti/netcp_ethss.c
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@ -2313,7 +2313,6 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf)
dev_dbg(priv->dev, "phy found: id is: 0x%s\n", dev_dbg(priv->dev, "phy found: id is: 0x%s\n",
phydev_name(slave->phy)); phydev_name(slave->phy));
phy_start(slave->phy); phy_start(slave->phy);
phy_read_status(slave->phy);
} }
return 0; return 0;
} }
@ -3119,7 +3118,6 @@ static void init_secondary_ports(struct gbe_priv *gbe_dev,
dev_dbg(dev, "phy found: id is: 0x%s\n", dev_dbg(dev, "phy found: id is: 0x%s\n",
phydev_name(slave->phy)); phydev_name(slave->phy));
phy_start(slave->phy); phy_start(slave->phy);
phy_read_status(slave->phy);
} }
} }
} }