[PATCH v5 0/7] describe RTL8125 PCIe NICs on Rockchip boards (and add DT binding)

[Geert Uytterhoeven]

Hi Ricardo,

On Thu, 10 Sept 2026 at 22:08, Ricardo Pardini via B4 Relay
<devnull+ricardo.pardini.net at kernel.org> wrote:
> Several Rockchip rk35xx boards carry on-board Realtek RTL8125 2.5GbE
> NICs whose PCI function nodes are not described in the DT. Describing
> them allows for stable ethernetN aliases (matching the GMAC alias
> convention on these boards) and lets U-Boot's fdt_fixup_ethernet()
> inject mac-address properties from its ethaddr/ethNaddr env, so MACs
> stay stable across boots and U-Boot and kernel MAC match.
>
> Tested on a NanoPC-T6: /sys/bus/pci/devices/0004:41:00.0/of_node ->
> /sys/firmware/devicetree/base/pcie at fe190000/pcie at 0,0/ethernet at 0,0 and
> u-boot correctly adds local-mac-address property there which is
> correctly picked up kernel-side:

Have you tested this at 2.5Gbps? With which firmware?
I am asking because I have problems at 2.5Gbps using the firmware from
linux-firmware (on a different platform, though)
https://lore.kernel.org/CAMuHMdXPAeHoeaQbM9rXbXukoMbFV+0k28n6sRMw8XF8720WUA@mail.gmail.com

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds