netdev - Re: [PATCH net] r8169: fix issue caused by buggy BIOS on certain boards with RTL8168d

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Message-ID: <20240402083111.GI26556@kernel.org>
Date: Tue, 2 Apr 2024 09:31:11 +0100
From: Simon Horman <horms@...nel.org>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: Realtek linux nic maintainers <nic_swsd@...ltek.com>,
	Paolo Abeni <pabeni@...hat.com>, David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net] r8169: fix issue caused by buggy BIOS on certain
 boards with RTL8168d

On Sat, Mar 30, 2024 at 12:49:02PM +0100, Heiner Kallweit wrote:
> On some boards with this chip version the BIOS is buggy and misses
> to reset the PHY page selector. This results in the PHY ID read
> accessing registers on a different page, returning a more or
> less random value. Fix this by resetting the page selector first.
> 
> Fixes: f1e911d5d0df ("r8169: add basic phylib support")
> Cc: stable@...r.kernel.org
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>

Reviewed-by: Simon Horman <horms@...nel.org>