linux-kernel - Re: [PATCH v8 2/3] drm/panel: Add support for S6E3HA2 panel driver on TM2 board

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Date:   Tue, 31 Jan 2017 19:37:01 +0900
From:   Inki Dae <daeinki@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Hoegeun Kwon <hoegeun.kwon@...sung.com>,
        Thierry Reding <thierry.reding@...il.com>, robh@...nel.org,
        Dave Airlie <airlied@...ux.ie>, Kukjin Kim <kgene@...nel.org>,
        DRI mailing list <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Andi Shyti <andi.shyti@...sung.com>,
        Donghwa Lee <dh09.lee@...sung.com>,
        Hyungwon Hwang <human.hwang@...sung.com>
Subject: Re: [PATCH v8 2/3] drm/panel: Add support for S6E3HA2 panel driver on
 TM2 board

2017-01-31 19:01 GMT+09:00 Krzysztof Kozlowski <krzk@...nel.org>:
> On Tue, Jan 31, 2017 at 11:34 AM, Inki Dae <inki.dae@...sung.com> wrote:
>>
>>
>> 2017년 01월 31일 18:22에 Krzysztof Kozlowski 이(가) 쓴 글:
>>> On Tue, Jan 31, 2017 at 2:01 AM, Inki Dae <inki.dae@...sung.com> wrote:
>>>>
>>>>
>>>> 2017년 01월 24일 10:50에 Hoegeun Kwon 이(가) 쓴 글:
>>>>> Dear Thierry,
>>>>>
>>>>> Could you please review this patch?
>>>>
>>>> Thierry, I think this patch has been reviewed enough but no comment from you. Seems you are busy. I will pick up this.
>>>>
>>>
>>> Comments from v8 were not resolved and I think we are waiting for v9:
>>> https://lkml.org/lkml/2017/1/11/178
>>>
>>> If that is not correct then please clarify.
>>
>> Seems you pointed to change te-gpios bindings to optional. right?
>>
>> I thought Rob left ack so it's no problem.
>> https://lkml.org/lkml/2017/1/13/626
>
> Yes, change them to optional. I think it is a problem (regardless of
> Rob's ack) because you are merging a driver requiring a property which
> soon you want to remove. If you merge it (like this) removal of
> te-gpios property will be breakage of ABI. This is not a serious
> problem but knowing such plan of te-gpios removal upfront, it would be
> wrong to commit such driver.

This is a trivial thing so it doesn't make breakage of ABI because the
property, te-gpios, is *optional*.

Anyway, this wouldn't be *the things* Thierry mentioned.

Thanks,
Inki Dae

>
> Best regards,
> Krzysztof
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