Re: [PATCH net 1/3] net: dsa: b53: do not enable EEE on bcm63xx

Florian Fainelli
2025-05-19T21:40:32Z

On 5/19/25 10:45, Jonas Gorski wrote:
> BCM63xx internal switches do not support EEE, but provide multiple RGMII
> ports where external PHYs may be connected. If one of these PHYs are EEE
> capable, we may try to enable EEE for the MACs, which then hangs the
> system on access of the (non-existent) EEE registers.
>
> Fix this by checking if the switch actually supports EEE before
> attempting to configure it.
>
> Fixes: 22256b0afb12 ("net: dsa: b53: Move EEE functions to b53")
> Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
--
Florian