linux-kernel - Re: [PATCH 10/19] ARM: dts: at91: replace gpio-key,wakeup with wakeup-source property

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Date:	Wed, 21 Oct 2015 12:13:54 +0100
From:	Sudeep Holla <sudeep.holla@....com>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	Sudeep Holla <sudeep.holla@....com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Subject: Re: [PATCH 10/19] ARM: dts: at91: replace gpio-key,wakeup with
 wakeup-source property



On 21/10/15 12:01, Ulf Hansson wrote:
> On 21 October 2015 at 12:25, Sudeep Holla <sudeep.holla@....com> wrote:
>>
>>
>> On 21/10/15 11:21, Nicolas Ferre wrote:
>>>
>>> Le 21/10/2015 12:10, Sudeep Holla a écrit :
>>>>
>>>> Though the keyboard driver for GPIO buttons(gpio-keys) will continue to
>>>> check for/support the legacy "gpio-key,wakeup" boolean property to
>>>> enable gpio buttons as wakeup source, "wakeup-source" is the new
>>>> standard binding.
>>>>
>>>> This patch replaces the legacy "gpio-key,wakeup" with the unified
>>>> "wakeup-source" property in order to avoid any futher copy-paste
>>>> duplication.
>>>>
>>>> Cc: Nicolas Ferre <nicolas.ferre@...el.com>
>>>
>>>
>>> I'm not against this if the whole series goes further.
>>> Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>
>>>
>>
>> Thanks !
>>
>>> I suspect that we would need to take this patch with us on the AT91
>>> branches that would go to arm-soc. Is it the intentions?
>>>
>>
>> Yes that was my intention for splitting the patches per SoC group.
>> Many SoC maintainers prefer that.
>
> Hold on! All patches that changes the DT parsing to accept the
> "standardized wakeup-source" binding, need to be merged upstream
> before corresponding DTS changes.
>

Agreed. Sorry for that I forgot about it as there are only few
subsystems that needed additions. Most of the input subsystem had
already moved to new binding, just that binding documents were left
unchanged.

> Therefore, I suggest we go for a two step approach, starting with
> changes affecting the DT parsing/documentation for various
> drivers/subsystem and perhaps we can reach 4.4 for these.
> Then the DTS changes can go in at any later point.
>

Looks good to me.

-- 
Regards,
Sudeep
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