dsa: mv88e6xxx: Don't poll forced interfaces for state changes
When polling for link status, don't consider ports which have a forced link. Such ports don't monitor their phy or may not even have a phy. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -395,6 +395,7 @@ void mv88e6xxx_poll_link(struct dsa_switch *ds)
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for (i = 0; i < DSA_MAX_PORTS; i++) {
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struct net_device *dev;
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int uninitialized_var(port_status);
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int pcs_ctrl;
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int link;
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int speed;
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int duplex;
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@ -404,6 +405,10 @@ void mv88e6xxx_poll_link(struct dsa_switch *ds)
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if (dev == NULL)
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continue;
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pcs_ctrl = mv88e6xxx_reg_read(ds, REG_PORT(i), PORT_PCS_CTRL);
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if (pcs_ctrl < 0 || pcs_ctrl & PORT_PCS_CTRL_FORCE_LINK)
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continue;
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link = 0;
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if (dev->flags & IFF_UP) {
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port_status = mv88e6xxx_reg_read(ds, REG_PORT(i),
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