[PATCH net-next 11/14] net: stmmac: do not require snps,ps-speed for SGMII

Andrew Lunn andrew at lunn.ch
Wed Oct 15 14:26:03 PDT 2025


On Wed, Oct 15, 2025 at 03:20:53PM +0100, Russell King (Oracle) wrote:
> SGMII mode does not require port-speed to be specified; this only
> switches SGMII to use the MAC configuration register speed settings
> and the actual value is irrelevant when the link comes up.
> 
> As it seems the intention was to support "reverse SGMII" with this
> setting, but the code didn't actually configure that due to a typo,
> the warning and bad DT binding documentation has led people to
> specify snps,ps-speed in their DT files inappropriately.

I know you hit the patch limit. Do you have a patch in the next series
which updates the binding?

      Andrew



More information about the linux-arm-kernel mailing list