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Date: Thu, 29 Feb 2024 13:50:10 +0100
From: Marek =?UTF-8?B?QmVow7pu?= <kabel@kernel.org>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: Eric Woudstra <ericwouds@gmail.com>, Andrew Lunn <andrew@lunn.ch>,
 Heiner Kallweit <hkallweit1@gmail.com>, "David S. Miller"
 <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski
 <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Frank Wunderlich
 <frank-w@public-files.de>, Daniel Golle <daniel@makrotopia.org>,
 netdev@vger.kernel.org, Alexander Couzens <lynxis@fe80.eu>
Subject: Re: [PATCH RFC net-next 1/6] net: phy: realtek: configure SerDes
 mode for rtl822x/8251b PHYs
Message-ID: <20240229135010.74e4304a@dellmb>
In-Reply-To: <Zd27FaFlVqaQVV9B@shell.armlinux.org.uk>
References: <20240227075151.793496-1-ericwouds@gmail.com>
	<20240227075151.793496-2-ericwouds@gmail.com>
	<Zd27FaFlVqaQVV9B@shell.armlinux.org.uk>
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On Tue, 27 Feb 2024 10:36:05 +0000
"Russell King (Oracle)" <linux@armlinux.org.uk> wrote:

> > +	ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x75f3, 0);
> > +	if (ret < 0)
> > +		return ret;  
> 
> It would be nice to know what this is doing.

No documentation for this from Realtek, I guess this was just taken
from SDK originally.

Marek