netdev - Re: [PATCH net-next v2 3/4] mlxbf_gige: add BlueField-3 Serdes configuration

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Message-ID: <Y3LmC7r4YP++q8fa@lunn.ch>
Date:   Tue, 15 Nov 2022 02:06:19 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Saeed Mahameed <saeed@...nel.org>,
        David Thompson <davthompson@...dia.com>, davem@...emloft.net,
        edumazet@...gle.com, pabeni@...hat.com, netdev@...r.kernel.org,
        cai.huoqing@...ux.dev, brgl@...ev.pl, limings@...dia.com,
        chenhao288@...ilicon.com, huangguangbin2@...wei.com,
        Asmaa Mnebhi <asmaa@...dia.com>
Subject: Re: [PATCH net-next v2 3/4] mlxbf_gige: add BlueField-3 Serdes
 configuration

  > I am not advocating for black magic tables of course :), but how do we
> > avoid them if request_firmware() will be an overkill to configure such a
> > simple device? Express such data in a developer friendly c structures
> > with somewhat sensible field names?
> 
> I don't feel particularly strongly but seems like something worth
> exploring. A minor advantage is that once the init is done the tables
> can be discarded from memory.

I wondered about that, but i'm not sure initdata works for modules,
and for hot pluggable devices like PCIe, you never know when another
one might appear and you need the tables.

    Andrew