linux-kernel - Re: [PATCH 2/2] ARM: dts: aspeed: add device tree for ASRock Rack ALTRAD8 BMC

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: <74e68c53-2696-4f86-97d3-c0b0a74d4669@lunn.ch>
Date: Tue, 16 Sep 2025 02:37:02 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Rebecca Cran <rebecca@...io.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>,
	Andrew Jeffery <andrew@...econstruct.com.au>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: aspeed: add device tree for ASRock Rack
 ALTRAD8 BMC

On Mon, Sep 15, 2025 at 06:26:04PM -0600, Rebecca Cran wrote:
> On 9/11/25 08:09, Andrew Lunn wrote:
> > There is no phy-handle here, and no mdio node in this file. What is
> > the MAC connected to? Does it connect to the hosts Ethernet interface?
> 
> Yes, it's connected to one of the host's 10Gb Ethernet interfaces.

O.K. Maybe add a comment please.

> > RGMII pinctrl is referenced here. This opens up the question about
> > RGMII delays. What is this MAC connected to?
> 
> It's the AST2500 MAC2, connected to the management LAN ethernet port.

And does it have a PHY? On an MDIO bus? Unless i'm mistaken, you don't
describe the PHY, a phy-handle pointing to the PHY, and don't have
phy-mode = 'rgmii-id'.

	Andrew