linux-kernel - Re: pm.c:undefined reference to `i8042

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Date: Thu, 14 Dec 2023 15:57:26 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Arnd Bergmann <arnd@...db.de>, Jiaxun Yang <jiaxun.yang@...goat.com>,
 kernel test robot <lkp@...el.com>, Masahiro Yamada <masahiroy@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
 Nicolas Schier <nicolas@...sle.eu>,
 "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>
Subject: Re: pm.c:undefined reference to `i8042_command'



On 12/14/23 11:54, Arnd Bergmann wrote:
> On Thu, Dec 7, 2023, at 01:21, Jiaxun Yang wrote:
>> 在2023年12月6日十二月 下午5:26，Randy Dunlap写道：
>>> On 12/5/23 22:52, Arnd Bergmann wrote:
>>>> On Wed, Dec 6, 2023, at 06:24, Randy Dunlap wrote:
> 
>>>> I think it's bad style to force-select an optional subsystem.
>>>> How about making the entire file optional? It seems that there
>>>> are already __weak functions in its place.
>>>
>>> Yes, I agree in general.
>>>
>>> Hopefully the maintainer will opine your suggestion.
>>> Jiaxun?
>>
>> LGTM, PM is not an essential function here.
>> Arnd, do you mind making it a patch?
>>
> 
> I just tried it out and my version doesn't actually work since
> we still end up building the file with SERIO_I82042=m.
> 
> We could still make it work by checking for serio being
> built-in here, but in the end I think that's worse than
> Randy's patch, so let's just go with his original version.
> 
>       Arnd

I think that we should look for yet another alternative then.
I don't believe that adding "select INPUT" is a good idea.
It would be the only "select INPUT" in the entire kernel tree.


thanks.
-- 
#Randy
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