> When it is in the good state I see that reg 0x01 is 0x796d where bit > 1.2 reports 'Link is up' and bit 1.5 reports 'Auto-negotiation process > complete'. However, once I get to the bad state (it may take several > tries of ifdown, ifup to get there) then reg 0x01 is 0x7649 reporting > 'Link is down' and 'Auto-negotiation process not completed'. This can > be fixed by resetting the phy './phytool write eth0/3/0 0x9140' > > So, I guess that means the driver is doing what it is supposed to? > Could we add quirk or something to reset the phy again from the driver > if auto-negotiation doesn't complete with x seconds?
Hi Paul Adding a timeout would make sense. But please try to hide all this inside the PHY driver. Since it is being polled, the read_status() should be called once per second, so you should be able to handle all this inside that driver callback. Andrew