netdev - Re: [PATCH] net: phy: marvell: Add errata section 5.1 for Alaska PHY

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Message-ID: <YjClJNaRrvqDI3t6@lunn.ch>
Date:   Tue, 15 Mar 2022 15:39:32 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Stefan Roese <sr@...x.de>, '@...n.ch
Cc:     netdev@...r.kernel.org, Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH] net: phy: marvell: Add errata section 5.1 for Alaska PHY

On Tue, Mar 15, 2022 at 08:48:27AM +0100, Stefan Roese wrote:
> From: Leszek Polak <lpolak@...i.de>
> 
> As per Errata Section 5.1, if EEE is intended to be used, some register
> writes must be done once after every hardware reset. This patch now adds
> the necessary register writes as listed in the Marvell errata.
> 
> Without this fix we experience ethernet problems on some of our boards
> equipped with a new version of this ethernet PHY (different supplier).
> 
> The fix applies to Marvell Alaska 88E1510/88E1518/88E1512/88E1514
> Rev. A0.
> 
> Signed-off-by: Leszek Polak <lpolak@...i.de>
> Signed-off-by: Stefan Roese <sr@...x.de>
> Cc: Andrew Lunn <andrew@...n.ch>
> Cc: Heiner Kallweit <hkallweit1@...il.com>
> Cc: Russell King <linux@...linux.org.uk>
> Cc: David S. Miller <davem@...emloft.net>

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

    Andrew