linux-kernel - Re: [PATCH 1/2] arm64/dts/blaize: Enable Ethernet support for BLZP1600

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Message-ID: <08cea1aa-ffc0-422d-8236-91f0f940ae56@kernel.org>
Date: Fri, 11 Jul 2025 15:50:12 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Nikolaos Pasaloukos <nikolaos.pasaloukos@...ize.com>,
 James Cowgill <james.cowgill@...ize.com>,
 Matt Redfearn <matthew.redfearn@...ize.com>,
 Neil Jones <neil.jones@...ize.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64/dts/blaize: Enable Ethernet support for
 BLZP1600

On 11/07/2025 15:36, Nikolaos Pasaloukos wrote:
> Enable the Synopsys gigabit Ethernet controller which is available
> on the Blaize BLZP1600 SoC.
> 
> Due to the SoC IP block configuration, the max frame size cannot
> exceed the 2030 bytes.
> 
> Signed-off-by: Nikolaos Pasaloukos <nikolaos.pasaloukos@...ize.com>
> ---
>  arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi | 22 ++++++++++++++++++++++

Subject prefix: that's not standard. arm64: dts: blaize:


See git log.

>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi b/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
> index 5a6c882b2f57d57d304869dee877c996cbabb712..890f678ddbc43f84cb3cc16c9d2af6edb6350ecc 100644
> --- a/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
> +++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
> @@ -213,5 +213,27 @@ arm_cc712: crypto@...000 {
>  			interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
>  			clocks = <&scmi_clk 7>;
>  		};
> +
> +		gmac: ethernet@...000 {
> +			compatible = "snps,dwmac";

You need specific compatibles for your soc most likely.

This should be really disallowed alone, but every vendor keeps copying
and doing the same :/


Best regards,
Krzysztof