netdev - Re: [PATCH net] net: ethernet: ti: Fix mixed module-builtin object

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Message-Id: <4a53722d-e31d-4598-a4a9-cf374c84bc44@app.fastmail.com>
Date: Fri, 13 Oct 2023 12:38:17 +0200
From: "Arnd Bergmann" <arnd@...db.de>
To: "MD Danish Anwar" <danishanwar@...com>, "Andrew Lunn" <andrew@...n.ch>,
 "Wolfram Sang" <wsa+renesas@...g-engineering.com>,
 "Simon Horman" <horms@...nel.org>, "Roger Quadros" <rogerq@...com>,
 "Vignesh Raghavendra" <vigneshr@...com>, "Paolo Abeni" <pabeni@...hat.com>,
 "Jakub Kicinski" <kuba@...nel.org>, "Eric Dumazet" <edumazet@...gle.com>,
 "David S . Miller" <davem@...emloft.net>
Cc: linux-kernel@...r.kernel.org, Netdev <netdev@...r.kernel.org>, srk@...com,
 r-gunasekaran@...com, "Roger Quadros" <rogerq@...nel.org>
Subject: Re: [PATCH net] net: ethernet: ti: Fix mixed module-builtin object

On Fri, Oct 13, 2023, at 12:05, MD Danish Anwar wrote:
> With CONFIG_TI_K3_AM65_CPSW_NUSS=y and CONFIG_TI_ICSSG_PRUETH=m,
> k3-cppi-desc-pool.o is linked to a module and also to vmlinux even though
> the expected CFLAGS are different between builtins and modules.
>
> The build system is complaining about the following:
>
> k3-cppi-desc-pool.o is added to multiple modules: icssg-prueth
> ti-am65-cpsw-nuss
>
> Introduce the new module, k3-cppi-desc-pool, to provide the common
> functions to ti-am65-cpsw-nuss and icssg-prueth.
>
> Signed-off-by: MD Danish Anwar <danishanwar@...com>

I submitted a different patch for this a while ago:
https://lore.kernel.org/lkml/20230612124024.520720-3-arnd@kernel.org/

I think I never sent a v2 of that, but I still have a
working version in my local tree. I've replaced my version
with yours for testing now, to see if you still need something
beyond that.

    Arnd