riscv defconfig CONFIG_PM/macb/generic PHY regression in v5.18-rc1

[Conor Dooley]

On 05/04/2022 16:04, Andrew Lunn wrote:
>> [ 2.818894] macb 20112000.ethernet eth0: PHY [20112000.ethernet-ffffffff:09] driver [Generic PHY] (irq=POLL)
>> [ 2.828915] macb 20112000.ethernet eth0: configuring for phy/sgmii link mode
>> [11.045411] macb 20112000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
>> [11.053247] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> 
> You have a multi-part link. You need that the PHY reports the line
> side is up. Put some printk in genphy_update_link() and look at
> phydev->link. You also need that the SGMII link between the PHY and
> the SoC is up. That is a bit harder to see, but try adding #define
> DEBUG at the top of phylink.c and phy.c so you get additional debug
> prints for the state machines.

Sure, will give it a go tomorrow.

> 
>         Andrew
> 
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