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Message-ID: <7b0a02ad-d23c-2c04-6672-58f16f2cca5a@ti.com>
Date:   Fri, 13 Oct 2023 16:40:56 +0530
From:   MD Danish Anwar <danishanwar@...com>
To:     Arnd Bergmann <arnd@...db.de>, 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

Hi Arnd,

On 13/10/23 16:08, Arnd Bergmann wrote:
> 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.
> 

I see your patch addresses different modules. My patch introduces a new
module for k3-cppi-desc-pool which is used by both am65-cpsw-nuss and
icssg-prueth driver. Where as your patch addresses modules common across
different cpsw drivers (davinci-emac, cpsw, cpsw-switchdev, netcp,
netcp_ethss and am65-cpsw-nuss). So I think that both these patches are
addressing differet warnings.

>     Arnd

-- 
Thanks and Regards,
Danish

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