[PATCH 4/5] arm64: dts: renesas: spider-ethernet: Add ethernetN aliases for rswitch

[Geert Uytterhoeven]

On Sat, Jan 18, 2025 at 12:14 PM Marek Vasut
<marek.vasut+renesas at mailbox.org> wrote:
> The rswitch has three independent ports which each can act as a
> separate interface with its own MAC address. Describe DT aliases
> ethernet0, ethernet1, ethernet2 for each rswitch port in DT. This
> allows U-Boot to insert MAC addresses from its environment variables
> ethaddr/eth1addr/eth2addr into each rswitch port nodes, so Linux can
> read and use one unique MAC address for each rswitch port.
>
> Note that it is unlikely this would break existing rswitch driver
> operation in the Linux kernel, because as of right now, the rswitch
> driver already calls of_get_ethdev_address() for each port to read
> out the MAC address out of each rswitch port DT node, and if that is
> missing, it falls back to MAC address settings read from the hardware
> itself, and if that also fails, it uses random MAC address.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
i.e. will queue in renesas-devel for v6.15.

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