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

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Message-ID: <b1fd759a-5cea-0bdd-87d1-601cdc68f335@infradead.org>
Date:   Mon, 7 May 2018 09:36:49 -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 09:13 AM, Randy Dunlap wrote:
> 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.

and
Tested-by: Randy Dunlap <rdunlap@...radead.org>

-- 
~Randy