Subject: Re: [PATCH v3 1/3] net: dsa: mv88e6xxx: Don't force link when using in-band-status

From: Marek Behun <[email-masked]>
Date: Tue, 20 Oct 2020 15:49:40 +0200

On Tue, 20 Oct 2020 11:15:52 +0100
Russell King - ARM Linux admin <[email-masked]> wrote:

> On Tue, Oct 20, 2020 at 04:45:56PM +1300, Chris Packham wrote:
> > When a port is configured with 'managed = "in-band-status"' don't force
> > the link up, the switch MAC will detect the link status correctly.
> > 
> > Signed-off-by: Chris Packham <[email-masked]>
> > Reviewed-by: Andrew Lunn <[email-masked]>  
> 
> I thought we had issues with the 88E6390 where the PCS does not
> update the MAC with its results. Isn't this going to break the
> 6390? Andrew?
> 

Russell, I tested this patch on Turris MOX with 6390 on port 9 (cpu
port) which is configured in devicetree as 2500base-x, in-band-status,
and it works...

Or will this break on user ports?