netdev - Re: arm: shmobile_defconfig: ld.lld: error: undefined symbol: lynx_pcs

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Date: Wed, 7 Jun 2023 18:57:17 +0530
From: "Aithal, Srikanth" <sraithal@....com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>,
 Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: open list <linux-kernel@...r.kernel.org>,
 Linux-Next Mailing List <linux-next@...r.kernel.org>,
 lkft-triage@...ts.linaro.org, clang-built-linux <llvm@...ts.linux.dev>,
 Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
 Linux ARM <linux-arm-kernel@...ts.infradead.org>,
 Netdev <netdev@...r.kernel.org>, Nathan Chancellor <nathan@...nel.org>,
 Nick Desaulniers <ndesaulniers@...gle.com>, Arnd Bergmann <arnd@...db.de>,
 Anders Roxell <anders.roxell@...aro.org>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Maxime Coquelin <mcoquelin.stm32@...il.com>, maxime.chevallier@...tlin.com,
 joyce.ooi@...el.com
Subject: Re: arm: shmobile_defconfig: ld.lld: error: undefined symbol:
 lynx_pcs_destroy

On 6/6/2023 2:31 PM, Geert Uytterhoeven wrote:
> Hi Naresh,
> 
> On Tue, Jun 6, 2023 at 10:53 AM Naresh Kamboju
> <naresh.kamboju@...aro.org> wrote:
>> On Tue, 6 Jun 2023 at 14:17, Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
>>> Following build regressions found while building arm shmobile_defconfig on
>>> Linux next-20230606.
>>>
>>> Regressions found on arm:
>>>
>>>   - build/clang-16-shmobile_defconfig
>>>   - build/gcc-8-shmobile_defconfig
>>>   - build/gcc-12-shmobile_defconfig
>>>   - build/clang-nightly-shmobile_defconfig
>>
>> And mips defconfig builds failed.
>> Regressions found on mips:
>>
>>    - build/clang-16-defconfig
>>    - build/gcc-12-defconfig
>>    - build/gcc-8-defconfig
>>    - build/clang-nightly-defconfig
> 
> Please give my fix a try:
> https://lore.kernel.org/linux-renesas-soc/7b36ac43778b41831debd5c30b5b37d268512195.1686039915.git.geert+renesas@glider.be
On x86 as well seeing couple of issues related to same, not on defconfig 
though..

ERROR: modpost: "lynx_pcs_destroy" 
[drivers/net/ethernet/stmicro/stmmac/stmmac.ko] undefined!
ERROR: modpost: "lynx_pcs_destroy" 
[drivers/net/ethernet/altera/altera_tse.ko] undefined!
make[1]: *** [scripts/Makefile.modpost:136: Module.symvers] Error 1
make: *** [Makefile:1984: modpost] Error 2

Among above issues stmmac issue would be resolved with above mentioned fix.
> 
> Thanks!
> 
> Gr{oetje,eeting}s,
> 
>                          Geert
>