linux-kernel - Re: [PATCH 09/18] net: emac, cpsw: fix mixed module-builtin object (davinci

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Date:   Thu, 24 Nov 2022 01:04:52 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Alexander Lobakin <alobakin@...me>
Cc:     linux-kbuild@...r.kernel.org, Nicolas Schier <nicolas@...sle.eu>,
        Jens Axboe <axboe@...nel.dk>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Tony Luck <tony.luck@...el.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Derek Chickles <dchickles@...vell.com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Sunil Goutham <sgoutham@...vell.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Daniel Scally <djrscally@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Brown <broonie@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        NXP Linux Team <linux-imx@....com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/18] net: emac, cpsw: fix mixed module-builtin object (davinci_cpdma)

On Sun, Nov 20, 2022 at 8:07 AM Alexander Lobakin <alobakin@...me> wrote:
>
> From: Masahiro Yamada <masahiroy@...nel.org>
>
> CONFIG_TI_DAVINCI_EMAC, CONFIG_TI_CPSW and CONFIG_TI_CPSW_SWITCHDEV
> are all tristate. This means that davinci_cpdma.o can be linked to
> a module and also to vmlinux even though the expected CFLAGS are
> different between builtins and modules.
>
> This is the same situation as fixed by commit 637a642f5ca5 ("zstd:
> Fixing mixed module-builtin objects").
>
> Introduce the new module, ti_davinci_cpdma, to provide the common
> functions to these three modules.
>
> [ alobakin: add exports ]
>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> Reviewed-by: Alexander Lobakin <alobakin@...me>
> Signed-off-by: Alexander Lobakin <alobakin@...me>
> ---

Please take the authorship for this patch
because I did not finish this patch
(and I am not sure if this is the correct way to fix)

As 18/18 will touch this part again,
perhaps davinci_cpdma.c can go into ti_cpsw_core.ko

Anyway, the maintainer may have a better insight.



-- 
Best Regards
Masahiro Yamada