Re: [PATCH] arm64: dts: renesas: r9a09g047: enable tx coe support

[Geert Uytterhoeven]

Hi John,

Thanks for your patch!

On Thu, 14 Aug 2025 at 17:35, John Madieu <john.madieu.xa@xxxxxxxxxxxxxx> wrote:
> The GBETH IPs found on RZ/G3E SoC family are compatible with the stmmac driver.
> They have a MAC HW feature register used by this driver to enable respective
> features. While the register advertises Tx coe support, it was not enabled by
> the driver due to the 'snps,force_thresh_dma_mode' dtsi property.
>
> Switch from 'snps,force_thresh_dma_mode' to 'snps,force_sf_dma_mode' to enable
> Tx checksum offload support on both GBETH IPs. While at it, also switch from
> 'snps,fixed-busrt' to 'nsps,mixed-burst' and remove 'snps,no-pbl-x8' for

burst ... snps

> optimal DMA configuration. This improvement results in a measurable TCP Tx
> performance gains, increasing throughput by 20Mbps.
>
> Signed-off-by: John Madieu <john.madieu.xa@xxxxxxxxxxxxxx>

LGTM, so
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
i.e. will queue in renesas-devel for v6.18, with the typos fixed.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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