netdev - Re: mv88e6352 no traffic over phy to phy cpu port

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Date:   Fri, 20 Aug 2021 18:27:50 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     "Gade, Jonas" <jonas.gade@...enbeck.de>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: mv88e6352 no traffic over phy to phy cpu port

On Thu, Aug 19, 2021 at 02:47:52PM +0000, Gade, Jonas wrote:
> Hi everyone,

> we have a 8devices Carambola2 (running OpenWrt 21, Kernel 5.4)
> connected to mv88e6352 switch on a custom board. On the Carambola2
> MDC is connected to GPIO 19 and MDIO is connected to GPIO 21 (Bit
> banging). The Port 1 of the mv88e6352 is connected to fast ethernet
> port 2 on the internal AR9331 switch.

It appears you are using swconfig for the AR9331 and DSA for the
mv88e6352. I don't think anybody has done that before. Mainline
clearly has not, because swconfig is not part of mainline.

I doubt we can help you much until you swap to a mainline kernel,
preferable 5.13 or net-next, and use the DSA driver for the AR9331.

    Andrew