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SubjectRe: [RFC PATCH v2 net-next 2/8] net: dsa: ocelot: felix: move MDIO access to a common location
On 10/07/2021 22:59:13+0300, Vladimir Oltean wrote:
> On Sat, Jul 10, 2021 at 12:25:56PM -0700, Colin Foster wrote:
> > Indirect MDIO access is a feature that doesn't need to be specific to the
> > Seville driver. Separate the feature to a common file so it can be shared.
> >
> > Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
> > ---
>
> In fact, this same piece of hardware has a dedicated driver inside
> drivers/net/mdio/mdio-mscc-miim.c. The only problem is that it doesn't
> work with regmap, and especially not with a caller-supplied regmap. I
> was too lazy to do that, but it is probably what should have been done.
>
> By comparison, felix_vsc9959.c was coded up to work with an internal
> MDIO bus whose ops are implemented by another driver (enetc_mdio). Maybe
> you could take that as an example and have mdio-mscc-miim.c drive both
> seville and ocelot.

That was indeed going to be my comment.

--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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