Re: [Intel-wired-lan] [PATCH] e1000e: fix link fluctuations problem
From: Sasha Neftin
Date: Wed May 08 2024 - 00:47:22 EST
On 07/05/2024 15:10, Andrew Lunn wrote:
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...
In I219-* parts used LSI PHY. This PHY is compliant with the 802.3 IEEE
standard if I recall correctly. Auto-negotiation and link establishment
are processed following the IEEE standard and could vary from platform
to platform but are not violent to the IEEE standard.
En-Wei, My recommendation is not to accept these patches. If you think
there is a HW/PHY problem - open a ticket on Intel PAE.
Sasha
Andrew