linux-kernel - Re: [net] ARM: dts: aspeed: ast2600-evb: Correct phy-mode to rgmii-id

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <6a3d7eb4-c091-437f-98f8-2b8577e539a7@lunn.ch>
Date: Fri, 22 Aug 2025 02:11:55 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Jacky Chou <jacky_chou@...eedtech.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	joel@....id.au, andrew@...econstruct.com.au,
	howard_chiu@...eedtech.com, arnd@...db.de, andrew+netdev@...n.ch,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [net] ARM: dts: aspeed: ast2600-evb: Correct phy-mode to rgmii-id

On Thu, Aug 21, 2025 at 01:25:55PM +0800, Jacky Chou wrote:
> According to the latest ethernet-controller.yaml.
> Since there is no RGMII delay on AST2600 EVB, the phy-mode property of all
> MACs change to "rgmii-id" mode.

> @@ -123,7 +123,7 @@ ethphy3: ethernet-phy@0 {
>  &mac0 {
>  	status = "okay";
>  
> -	phy-mode = "rgmii-rxid";
> +	phy-mode = "rgmii-id";
>  	phy-handle = <&ethphy0>;

How does this change actually work?

I could imaging such a change as part of a patchset which changes the
MAC driver, and how it handles RGMII delays. But on its own, how does
this not break the board?

	Andrew