linux-kernel - Re: [PATCH net-next v5 3/4] net: devlink: make the devlink_ops::info

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Message-ID: <Y4XCO21nYeJZKUh5@nanopsycho>
Date:   Tue, 29 Nov 2022 09:26:35 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Vincent Mailhol <mailhol.vincent@...adoo.fr>
Cc:     Jiri Pirko <jiri@...dia.com>, netdev@...r.kernel.org,
        Jakub Kicinski <kuba@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
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        Boris Brezillon <bbrezillon@...nel.org>,
        Arnaud Ebalard <arno@...isbad.org>,
        Srujana Challa <schalla@...vell.com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
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        Shannon Nelson <snelson@...sando.io>, drivers@...sando.io,
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        Jiri Pirko <jiri@...lanox.com>,
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        Guangbin Huang <huangguangbin2@...wei.com>,
        Minghao Chi <chi.minghao@....com.cn>,
        Shijith Thotton <sthotton@...vell.com>
Subject: Re: [PATCH net-next v5 3/4] net: devlink: make the
 devlink_ops::info_get() callback optional

Tue, Nov 29, 2022 at 01:05:49AM CET, mailhol.vincent@...adoo.fr wrote:
>Some drivers only reported the driver name in their
>devlink_ops::info_get() callback. Now that the core provides this
>information, the callback became empty. For such drivers, just
>removing the callback would prevent the core from executing
>devlink_nl_info_fill() meaning that "devlink dev info" would not
>return anything.
>
>Make the callback function optional by executing
>devlink_nl_info_fill() even if devlink_ops::info_get() is NULL.
>
>N.B.: the drivers with devlink support which previously did not
>implement devlink_ops::info_get() will now also be able to report
>the driver name.
>
>Signed-off-by: Vincent Mailhol <mailhol.vincent@...adoo.fr>

Reviewed-by: Jiri Pirko <jiri@...dia.com>