On Thu, Mar 17, 2016 at 4:12 PM, Andrew Lunn <and...@lunn.ch> wrote:
>> After changing cpsw_emac0 entry to:
>>
>> &cpsw_emac0 {
>> phy-mode = "rmii";
>> dual_emac_res_vlan = <1>;
>> fixed-link {
>> speed = <100>;
>> full-duplex;
>> };
>> };
>>
>> I've got packets running in both directions.
>
> Great.
>
>> Now I have another problem: I cannot disable ICPlus IP175D ports via
>> SIOCSMIIREG as I could do previously. I get not ioctl errors [1], but
>> the ports are always on.
>>
>> [1]
>> https://github.com/visionsystemsgmbh/libonrisc/blob/master/src/onrisc.c#L83
>
> The MDIO bus is now logically not connected to eth0. Instead you have
> the fixed-link mdio device connected to eth0. So SIOCSMIIREG calls on
> eth0 now try to manipulate the fixed link phys.
>
> However, i think you can still access the MDIO bus, just use eth1 in
> your ioctl call.
Good trick :-)
> You should however consider writing a DSA driver for the switch.
Do you mean SWITCHDEV or is this more or less the same? From time to
time I'm looking at DSA/switchdev patches in the mailing list, but
there seems to be not so many example in kernel. What are the latest
slides, papers aside from Documentation/networking/switchdev.txt?
Yegor
