linux-kernel - Re: [PATCH net-next] nfp: add MAY_USE

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Date:   Wed, 31 May 2017 01:57:21 -0700
From:   Jakub Kicinski <kubakici@...pl>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Simon Horman <simon.horman@...ronome.com>,
        "David S. Miller" <davem@...emloft.net>, oss-drivers@...ronome.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] nfp: add MAY_USE_DEVLINK dependency

On Wed, 31 May 2017 10:16:50 +0200, Arnd Bergmann wrote:
> When devlink is configured as a loadable module, a built-in nfp driver
> causes a link error:
> 
> drivers/net/built-in.o: In function `nfp_devlink_port_register':
> (.text+0xb8b05): undefined reference to `devlink_port_type_eth_set'
> drivers/net/built-in.o: In function `nfp_devlink_port_register':
> (.text+0xb8b16): undefined reference to `devlink_port_split_set'
> 
> This adds a special Kconfig dependency on CONFIG_MAY_USE_DEVLINK
> to avoid that combination and force nfp to be a module when NET_DEVLINK=m.

Thanks, this should be fixed in net-next already by commit 
d935bc84c940 ("nfp: add MAY_USE_DEVLINK dependency").  Same 
subject/commit title as yours :)