netdev - Re: [PATCH] e1000e: fix link fluctuations problem

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Message-ID: <aad721c1-93c4-48bd-9f05-00c4f6301dce@lunn.ch>
Date: Tue, 7 May 2024 14:10:27 +0200
From: Andrew Lunn <andrew@...n.ch>
To: En-Wei WU <en-wei.wu@...onical.com>
Cc: jesse.brandeburg@...el.co, anthony.l.nguyen@...el.com,
	intel-wired-lan@...ts.osuosl.org, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	rickywu0421@...il.com
Subject: Re: [PATCH] e1000e: fix link fluctuations problem

On Tue, May 07, 2024 at 11:24:05AM +0200, En-Wei WU wrote:
> > Why PHY is this?
> It's the Intel I219-LM, and I haven't found any other device having
> the same issue.

There is no Linux PHY driver for this device, only the code buried in
the e1000e MAC driver. Sometimes Intel use Marvell PHYs, and there are
a couple of work arounds in the Marvell PHY driver, which might of
given you a clue. But not in this case...

      Andrew