linux-kernel - Re: [PATCH] drm: bridge: DRM_SIL_SII8620 should depend on, not select INPUT

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Date:   Mon, 1 Jul 2019 11:26:25 +0200
From:   Andrzej Hajda <a.hajda@...sung.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ronald Tschalär <ronald@...ovation.ch>
Cc:     Inki Dae <inki.dae@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>
Subject: Re: [PATCH] drm: bridge: DRM_SIL_SII8620 should depend on, not
 select INPUT

On 01.07.2019 11:23, Andrzej Hajda wrote:
> On 01.07.2019 05:39, Randy Dunlap wrote:
>> From: Randy Dunlap <rdunlap@...radead.org>
>>
>> A single driver should not enable (select) an entire subsystem,
>> such as INPUT, so change the 'select' to "depends on".
>>
>> Fixes: d6abe6df706c ("drm/bridge: sil_sii8620: do not have a dependency of RC_CORE")
>>
>> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
>> Cc: Inki Dae <inki.dae@...sung.com>
>> Cc: Andrzej Hajda <a.hajda@...sung.com>
>> Cc: Laurent Pinchart <Laurent.pinchart@...asonboard.com>
>> Cc: dri-devel@...ts.freedesktop.org
>> ---
>> Linus has written this a couple of times in the last 15 years or so,
>> but my search fu cannot find it.  And there are a few drivers in the
>> kernel tree that do this, but we shouldn't be adding more that do so.
>
> The proper solution has been already posted [1], but it has not been
> applied yet to input tree?
>
> Randy are there chances your patchset will appear in ML in near future,
> or should I merge your sii8620 patch alone?


Ups, I used wrong surname, I meant Ronald, added him input ML to cc.


Regards

Andrzej



>
>
> [1]:
> https://lore.kernel.org/lkml/20190419081926.13567-2-ronald@innovation.ch/
>
>
> Regards
>
> Andrzej
>
>
>
>>  drivers/gpu/drm/bridge/Kconfig |    3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> --- lnx-52-rc7.orig/drivers/gpu/drm/bridge/Kconfig
>> +++ lnx-52-rc7/drivers/gpu/drm/bridge/Kconfig
>> @@ -83,10 +83,9 @@ config DRM_PARADE_PS8622
>>  
>>  config DRM_SIL_SII8620
>>  	tristate "Silicon Image SII8620 HDMI/MHL bridge"
>> -	depends on OF
>> +	depends on OF && INPUT
>>  	select DRM_KMS_HELPER
>>  	imply EXTCON
>> -	select INPUT
>>  	select RC_CORE
>>  	help
>>  	  Silicon Image SII8620 HDMI/MHL bridge chip driver.
>>
>>
>>
>>