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Date:   Tue, 5 Feb 2019 14:09:35 +0100
From:   Andrew Lunn <>
To:     Christian Lamparter <>
Cc:, Florian Fainelli <>,
        Vivien Didelot <>
Subject: Re: [PATCH v1] net: dsa: qca8k: implement DT-based ports <-> phy

> The trick here is that priv->bus is not the internal
> bus instead it's set to the SoC's (external) mii bus in qca8k_sw_probe()).
> So this isn't a slave bus! And as stated in the qca8k, the the external
> and internal PHY bus are not mapped 1:1.
> >From what I can tell from the datasheet, the QCA8337N does have
> dedicated MDIO master control register which is what is
> needed here.

Ah, O.K, i was missing that bit. So yes, export an MDIO bus to Linux,
as the mv88e6xxx does.


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