On 5/4/2020 9:52 AM, Michael Walle wrote:
> If there is no specific configuration of the felix switch in the device
> tree, but only the default configuration (ie. given by the SoCs dtsi
> file), the probe fails because no CPU port has been set. On the other
> hand you cannot set a default CPU port because that depends on the
> actual board using the switch.
>
> [ 2.701300] DSA: tree 0 has no CPU port
> [ 2.705167] mscc_felix 0000:00:00.5: Failed to register DSA switch: -22
> [ 2.711844] mscc_felix: probe of 0000:00:00.5 failed with error -22
>
> Thus let the device tree disable this device entirely, like it is also
> done with the enetc driver of the same SoC.
>
> Signed-off-by: Michael Walle <mich...@walle.cc>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
--
Florian