linux-kernel - Re: drivers/gpu/drm/bridge/sil-sii8620.c:2229: undefined reference to `extcon_find_edev_by

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Date:   Mon, 7 May 2018 09:13:38 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        kbuild test robot <lkp@...el.com>,
        Maciej Purski <m.purski@...sung.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Chanwoo Choi <cw00.choi@...sung.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Archit Taneja <architt@...eaurora.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>
Subject: Re: drivers/gpu/drm/bridge/sil-sii8620.c:2229: undefined reference to
 `extcon_find_edev_by_node'

On 05/07/2018 12:09 AM, Andrzej Hajda wrote:
> On 06.05.2018 02:46, Randy Dunlap wrote:
>> On 05/05/2018 04:22 PM, kbuild test robot wrote:
>>> Hi Maciej,
>>>
>>> FYI, the error/warning still remains.
>> Hi M. Robot,
>>
>> I am cc-ing dri-devel@...ts.freedesktop.org so that they are aware of the
>> multiple times that you have posted this kbuild error (I have 3 different
>> posts in my Inbox with the same errors; I may have missed some).
>>
>> I hope that someone there will have some insights into this problem.
>>
>> I have looked at the issues and concluded that the correct fix for this IMO is:
>>
>> config DRM_SIL_SII8620
>> ...
>> 	depends on EXTCON || !EXTCON
>>
>> However, that causes some unhappy errors from scripts/kconfig/ concerning
>> Kconfig recursive dependencies detected.  Alternatively, using
>> 	select EXTCON
>> does not cause any kconfig recursive dependency issues and solves the build
>> errors.
>>
>>
>> thanks!
> 
> 
> Hi Randy,
> 
> Proper patch was posted some times ago[1], and it was merged today to
> drm-misc-fixes branch.
> 
> [1]: https://patchwork.kernel.org/patch/10330653/
> 
> 
> Regards
> Andrzej

Thank you for the info.

-- 
~Randy