Re: [PATCH net-next 09/13] net: mvpp2: dynamic reconfiguration of the PHY mode

From: Andrew Lunn
Date: Thu Aug 24 2017 - 10:56:27 EST


On Thu, Aug 24, 2017 at 10:38:19AM +0200, Antoine Tenart wrote:
> This patch adds logic to reconfigure the comphy/gop when the link status
> change at runtime. This is very useful on boards such as the mcbin which
> have SFP and Ethernet ports connected to the same MAC port: depending on
> what the user connects the driver will automatically reconfigure the
> link mode.

Hi Antoine

I would expect each of these external Ethernet ports to have its own
Ethernet PHY. Don't you need to disconnect from one Ethernet phy and
connect to the other Ethernet PHY when you change external Ethernet
port?

Andrew