netdev - Re: [PATCH net-next v1 2/3] net: dsa: microchip: lan937x: force RGMII interface into PHY mode

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Message-ID: <8a12a13e-e379-4044-b463-f715420d0238@lunn.ch>
Date: Fri, 28 Jun 2024 16:02:34 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	Arun Ramadoss <arun.ramadoss@...rochip.com>,
	Lucas Stach <l.stach@...gutronix.de>, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net-next v1 2/3] net: dsa: microchip: lan937x: force
 RGMII interface into PHY mode

> Now, comparing LAN937x documentation with publicly available documentation for
> other switches, for example KSZ9893R, may give some clue on the undocumented
> part in the LAN937x datasheet:
> RGMII Interface:
>  1 = In-Band Status (IBS) enabled (requires IBS-capable PHY)
>  0 = IBS disabled

That explains a lot.

With the updated commit message, this patch should be fine.

     Andrew