On 3/23/2019 4:24 PM, Vladimir Oltean wrote:
> When phylink_of_phy_connect fails, dsa_slave_phy_setup tries to save the
> day by connecting to an alternative PHY, none other than a PHY on the
> switch's internal MDIO bus, at an address equal to the port's index.
>
> However this does not take into consideration the scenario when the
> switch that failed to probe an external PHY does not have an internal
> MDIO bus at all.
>
> Fixes: aab9c4067d23 ("net: dsa: Plug in PHYLINK support")
> Signed-off-by: Vladimir Oltean <olte...@gmail.com>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
This goes back to before that commit, pretty much since
0d8bcdd383b8865e752a7e8edb4712c2e3902052 ("net: dsa: allow for more
complex PHY setups").
--
Florian
