linux-kernel - Re: [PATCH] arm64: defconfig: Build STMMAC Ethernet driver into the kernel for NFS boot

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Message-ID: <CAMuHMdWhwJTbJOBhKmC9YUaSebBg-9m7euqmxqJLCXdr6++siA@mail.gmail.com>
Date: Fri, 23 May 2025 13:39:29 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
	Bjorn Andersson <bjorn.andersson@....qualcomm.com>, 
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org, 
	Biju Das <biju.das.jz@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH] arm64: defconfig: Build STMMAC Ethernet driver into the
 kernel for NFS boot

On Tue, 6 May 2025 at 12:47, Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Enable `CONFIG_STMMAC_ETH` as built-in (`y`) instead of a module (`m`) to
> ensure the Ethernet driver is available early in the boot process. This
> is necessary for platforms mounting the root filesystem via NFS, as the
> driver must be available before the root filesystem is accessed.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> With this change, the Renesas RZ/V2H EVK board can boot from NFS
> which has the DWMAC IP.

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-devel for v6.17.

Gr{oetje,eeting}s,

                        Geert

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