linux-kernel - Re: [PATCH v2 5/7] watchdog: mtk: allow setting timeout in devicetree

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Message-ID: <80a95963-7bd9-a350-d899-3b0cf2d646fc@roeck-us.net>
Date:   Sun, 11 Feb 2018 03:17:16 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Sean Wang <sean.wang@...iatek.com>,
        Marcus Folkesson <marcus.folkesson@...il.com>
Cc:     Wim Van Sebroeck <wim@...ana.be>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Carlo Caione <carlo@...one.org>,
        Kevin Hilman <khilman@...libre.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Barry Song <baohua@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Sylvain Lemieux <slemieux.tyco@...il.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        devicetree@...r.kernel.org, linux-watchdog@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 5/7] watchdog: mtk: allow setting timeout in devicetree

On 02/10/2018 11:46 PM, Sean Wang wrote:
> On Sat, 2018-02-10 at 17:52 -0800, Guenter Roeck wrote:
>> On 02/10/2018 12:12 PM, Marcus Folkesson wrote:
>>> Hello Sean,
>>>
>>> On Sat, Feb 10, 2018 at 01:43:28PM +0100, Marcus Folkesson wrote:
>>>> Hello Sean,
>>>>
>>>> On Sat, Feb 10, 2018 at 07:10:02PM +0800, Sean Wang wrote:
>>>>>
>>>>> Hi, Marcus
>>>>>
>>>>> The changes you made for dt-bindings and driver should be put into
>>>>> separate patches.
>>>>
>>>> I actually thought about it but chose to have it in the same patch because I
>>>> did not see any direct advantage to separating them.
>>>>
>>>> But I can do that.
>>>> I will come up with a v3 with this change if no one thinks differently.
>>>>
>>>
>>> When looking at the git log, I'm not that convinced it should be
>>> separate patches.
>>>
>>> For example, I found a4f741e3e157c3a5c8aea5f2ea62b692fbf17338 that is
>>> doing the exact same thing as this patch.
>>>
>>> There is plenty of patches that mixes the code change and dt bindings
>>> updates.
>>> Could it not be useful to overview both the implementation and
>>> dt-mapping change in one view?
>>>
>>> If you or anyone else still think it should be separated, please let me know and I will
>>> come up with a v3.
>>>
>>
>> If we were talking about something new, specifically new and unapproved DT bindings,
>> it should be separate patches. However, that is not the case here. The DT bindings
>> are well established. Sure, we could be pedantic and request a split into two
>> patches. However, the only benefit of that would be more work for the maintainers,
>> ie Wim and myself (including me having to send this e-mail). I don't really see
>> the point of that.
>>
>> I have already sent my Reviewed-by:, and I don't intend to withdraw it.
>>
> Hi, both
> 
> Sorry for that if I caused any inconvenience to you. I didn't really
> insist on if the patch is needed to split into two, which totally
> depends on whether dt maintainers like it.
> 
> The change for dt-binding is usually added as a split patch with
> dt-bindings as a prefix. This way I thought dt maintainers is not
> easy to miss those patches and also can give some useful feedback
> for them.
> 

With all the trouble this one-line change is making, I feel inclined to drop
the patch for this driver.

Guenter