Re: [PATCH v3] net: dsa: mv88e6xxx: support RGMII cmode

[Jakub Kicinski]

On Fri, 26 Aug 2022 00:06:05 +0200 Marek Behún wrote:
> > On Mon, 22 Aug 2022 16:41:36 +0200 Marcus Carlberg wrote:  
> > > Since the probe defaults all interfaces to the highest speed possible
> > > (10GBASE-X in mv88e6393x) before the phy mode configuration from the
> > > devicetree is considered it is currently impossible to use port 0 in
> > > RGMII mode.
> > > 
> > > This change will allow RGMII modes to be configurable for port 0
> > > enabling port 0 to be configured as RGMII as well as serial depending
> > > on configuration.
> > > 
> > > Fixes: de776d0d316f ("net: dsa: mv88e6xxx: add support for mv88e6393x family")
> > > Signed-off-by: Marcus Carlberg <marcus.carlberg@xxxxxxxx>    
> > 
> > Seems like a new configuration which was not previously supported
> > rather than a regression, right? If so I'll drop the Fixes tag
> > when applying.  
> 
> Please leave the fixes tag. This configuration should have been
> supported from the beginning.

Could you explain why? Is there an upstream-supported platform
already in Linus's tree which doesn't boot or something?