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net: bcmgenet: Poll internal PHY for GENETv5
On GENETv5, there is a hardware issue which prevents the GENET hardware
from generating a link UP interrupt when the link is operating at
10Mbits/sec. Since we do not have any way to configure the link
detection logic, fallback to polling in that case.
Fixes: 421380856d
("net: bcmgenet: add support for the GENETv5 hardware")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -321,9 +321,12 @@ int bcmgenet_mii_probe(struct net_device *dev)
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phydev->advertising = phydev->supported;
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/* The internal PHY has its link interrupts routed to the
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* Ethernet MAC ISRs
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* Ethernet MAC ISRs. On GENETv5 there is a hardware issue
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* that prevents the signaling of link UP interrupts when
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* the link operates at 10Mbps, so fallback to polling for
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* those versions of GENET.
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*/
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if (priv->internal_phy)
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if (priv->internal_phy && !GENET_IS_V5(priv))
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dev->phydev->irq = PHY_IGNORE_INTERRUPT;
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return 0;
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