linux-kernel - Re: [PATCH v2 5/5] net: dsa: add support for mv88e6250

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Message-ID: <20190524141119.GJ17138@t480s.localdomain>
Date:   Fri, 24 May 2019 14:11:19 -0400
From:   Vivien Didelot <vivien.didelot@...il.com>
To:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Rasmus Villemoes <Rasmus.Villemoes@...vas.se>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 5/5] net: dsa: add support for mv88e6250

Hi Rasmus,

On Fri, 24 May 2019 09:00:31 +0000, Rasmus Villemoes <rasmus.villemoes@...vas.dk> wrote:
> This is a very rough attempt at adding support for the Marvell
> 88E6250. The _info and _ops structures are based on those for 6240 (as
> I have data sheets for both the 6240 and 6250), fixing the things that
> I have determined to be different for the two chips - but some things
> are almost certain to still be wrong.

The idea is that for things that you're not certain about, simply
don't add the corresponding ops. The driver would simply return
-EOPNOTSUPP for the related features (if it doesn't behave like this,
we must fix this.)


Thanks,
Vivien