netdev - Re: [PATCH RFC] net: dsa: mv88e6xxx: fully support SERDES on Topaz family

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Message-ID: <20190826142809.GC9628@t480s.localdomain>
Date:   Mon, 26 Aug 2019 14:28:09 -0400
From:   Vivien Didelot <vivien.didelot@...il.com>
To:     Marek Behun <marek.behun@....cz>
Cc:     netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>
Subject: Re: [PATCH RFC] net: dsa: mv88e6xxx: fully support SERDES on Topaz
 family

On Mon, 26 Aug 2019 20:03:15 +0200, Marek Behun <marek.behun@....cz> wrote:
> What about this?
> 
> It adds a new chip operation (I know Vivien said not to, but I was
> doing it already) port_setup_extra, and implements it for Topaz.

So what feedback do you expect exactly? That is *exactly* what I told
you I did not want. What's gonna be added in those "port_setup_extra"
implementations next? And from where should they be called exactly?

Ask yourself what is the single task achieved by this function, and name this
operation accordingly. It seems to change the CMODE to be writable, only
supported by certain switch models right? So in addition to port_get_cmode
and port_set_cmode, you can add port_set_cmode_writable, and call it right
before or after port_set_cmode in mv88e6xxx_port_setup_mac.

Also please address the last comment I made in v3 in the new series.

Thanks,

	Vivien