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Date:   Wed, 13 Dec 2023 20:10:42 +0000
From:   "Russell King (Oracle)" <linux@armlinux.org.uk>
To:     Christian Marangi <ansuelsmth@gmail.com>
Cc:     Andrew Lunn <andrew@lunn.ch>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Vladimir Oltean <vladimir.oltean@nxp.com>,
        Vincent Mailhol <mailhol.vincent@wanadoo.fr>,
        Kees Cook <keescook@chromium.org>,
        Piergiorgio Beruto <piergiorgio.beruto@gmail.com>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [net-next PATCH 1/2] net: ethtool: add define for link speed
 mode number
Message-ID: <ZXoPwmDsy7geZe6N@shell.armlinux.org.uk>
References: <20231213181554.4741-1-ansuelsmth@gmail.com>
 <20231213181554.4741-2-ansuelsmth@gmail.com>
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NAK.

You *clearly* didn't look before you leaped.

On Wed, Dec 13, 2023 at 07:15:53PM +0100, Christian Marangi wrote:
> +enum ethtool_link_speeds {
> +	SPEED_10 = 0,
> +	SPEED_100,
> +	SPEED_1000,
...

and from the context immediately below, included in your patch:
>  #define SPEED_10		10
           ^^^^^^^^
>  #define SPEED_100		100
           ^^^^^^^^^
>  #define SPEED_1000		1000
           ^^^^^^^^^^

Your enumerated values will be overridden by the preprocessor
definitions.

Moreover, SPEED_xxx is an already taken namespace and part of the UAPI,
and thus can _not_ be changed. Convention is that SPEED_x will be
defined as the numeric speed.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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