Re: [PATCH RFC v3 04/12] net: pcs: add NXP SerDes XPCS shared core
From: Andrew Lunn
Date: Sun Sep 20 2026 - 14:40:10 EST
On Sat, Sep 19, 2026 at 08:54:32AM +0200, Jan Petrous via B4 Relay wrote:
> From: Clark Wang <xiaoning.wang@xxxxxxx>
>
> The SerDes subsystems found on NXP S32G and i.MX SoCs integrate a
> Synopsys DesignWare Ethernet XPCS and an Ethernet PHY (PMA) with an
> identical register layout. Only the register transport differs: indirect
> memory mapped access on S32G, Clause 45 MDIO on i.MX.
>
> Add a transport agnostic phylink PCS core which operates on regmaps
> provided by the platform glue.
What is not transport agnostic with the current code.
Think carefully about that, before you answer.
Andrew