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Date:   Mon, 18 Feb 2019 11:52:22 +0100
From:   Antoine Tenart <>
To:     Russell King - ARM Linux admin <>
Cc:     Antoine Tenart <>,,,,,,,,,,,
Subject: Re: [PATCH net-next 10/13] net: mvpp2: reset the XPCS while
 reconfiguring the serdes lanes


On Mon, Feb 18, 2019 at 10:47:57AM +0000, Russell King - ARM Linux admin wrote:
> Another case that needs to be considered: if the XPCS should be placed
> into reset while reconfiguring the serdes lanes, is the same treatment
> needed for the GMAC?

That's something I wanted to check as well. I don't know for the GMAC,
while I'm sure the documentation explicitly state to put the XPCS in
reset when reconfiguring the lanes.


Antoine Ténart, Bootlin
Embedded Linux and Kernel engineering

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