Re: [RFC net-next PATCH 00/13] Add PCS core support

[Kory Maincent]

On Thu,  3 Apr 2025 14:18:54 -0400
Sean Anderson <sean.anderson@xxxxxxxxx> wrote:

> This series adds support for creating PCSs as devices on a bus with a
> driver (patch 3). As initial users,
> 
> - The Lynx PCS (and all of its users) is converted to this system (patch 5)
> - The Xilinx PCS is broken out from the AXI Ethernet driver (patches 6-8)
> - The Cadence MACB driver is converted to support external PCSs (namely
>   the Xilinx PCS) (patches 9-10).
> 
> The last few patches add device links for pcs-handle to improve boot times,
> and add compatibles for all Lynx PCSs.
> 
> Care has been taken to ensure backwards-compatibility. The main source
> of this is that many PCS devices lack compatibles and get detected as
> PHYs. To address this, pcs_get_by_fwnode_compat allows drivers to edit
> the devicetree to add appropriate compatibles.

I don't dive into your patch series and I don't know if you have heard about it
but Christian Marangi is currently working on fwnode for PCS:
https://lore.kernel.org/netdev/20250406221423.9723-1-ansuelsmth@xxxxxxxxx

Maybe you should sync with him!

Regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com