linux-kernel - Re: [PATCH net-next v4 3/3] net: phy: dp83tg720: Add cable testing support

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Message-ID: <0aaf3031-f63f-4ba1-a017-ee2c7e673abc@lunn.ch>
Date: Sun, 11 Aug 2024 17:32:51 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	kernel@...gutronix.de, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next v4 3/3] net: phy: dp83tg720: Add cable testing
 support

On Sun, Aug 11, 2024 at 07:20:05AM +0200, Oleksij Rempel wrote:
> Introduce cable testing support for the DP83TG720 PHY. This implementation
> is based on the "DP83TG720S-Q1: Configuring for Open Alliance Specification
> Compliance (Rev. B)" application note.
> 
> The feature has been tested with cables of various lengths:
> - No cable: 1m till open reported.
> - 5 meter cable: reported properly.
> - 20 meter cable: reported as 19m.
> - 40 meter cable: reported as cable ok.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew