Commit 64bd9c81 authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller

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: 42138085 ("net: bcmgenet: add support for the GENETv5 hardware")
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d6672a5a
...@@ -321,9 +321,12 @@ int bcmgenet_mii_probe(struct net_device *dev) ...@@ -321,9 +321,12 @@ int bcmgenet_mii_probe(struct net_device *dev)
phydev->advertising = phydev->supported; phydev->advertising = phydev->supported;
/* The internal PHY has its link interrupts routed to the /* The internal PHY has its link interrupts routed to the
* Ethernet MAC ISRs * Ethernet MAC ISRs. On GENETv5 there is a hardware issue
* that prevents the signaling of link UP interrupts when
* the link operates at 10Mbps, so fallback to polling for
* those versions of GENET.
*/ */
if (priv->internal_phy) if (priv->internal_phy && !GENET_IS_V5(priv))
dev->phydev->irq = PHY_IGNORE_INTERRUPT; dev->phydev->irq = PHY_IGNORE_INTERRUPT;
return 0; return 0;
......
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