linux-kernel - Re: [PATCH 2/9] ARM: multi_v7_defconfig: Enable max77802 regulator, rtc and clock drivers

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Date:	Thu, 16 Jul 2015 07:30:44 +0200
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Javier Martinez Canillas <javier@...hile0.org>
Cc:	arm@...nel.org, Arnd Bergmann <arnd@...db.de>,
	Olof Johansson <olof@...om.net>,
	Kevin Hilman <khilman@...aro.org>,
	Doug Anderson <dianders@...omium.org>,
	Kukjin Kim <kgene@...nel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/9] ARM: multi_v7_defconfig: Enable max77802 regulator,
 rtc and clock drivers

Hello Krzysztof,

On 07/16/2015 02:42 AM, Krzysztof Kozlowski wrote:
> On 16.07.2015 00:38, Javier Martinez Canillas wrote:
>> Hello,
>>
>> On Thu, May 14, 2015 at 5:40 PM, Javier Martinez Canillas
>> <javier.martinez@...labora.co.uk> wrote:
>>> The Maxim max77802 Power Management IC is used on many Exynos machines.
>>> Besides a bunch of regulators, this chip has a Real-Time-Clock (RTC)
>>> and 2-channel 32kHz clock outputs.
>>>
>>> Enable the kernel config options to have the drivers for these devices
>>> built as a module.
>>>
>>> Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
>>> ---
>>>  arch/arm/configs/multi_v7_defconfig | 3 +++
>>>  1 file changed, 3 insertions(+)
>>>
>>> diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
>>> index 2349584b6e08..080120fe5580 100644
>>> --- a/arch/arm/configs/multi_v7_defconfig
>>> +++ b/arch/arm/configs/multi_v7_defconfig
>>> @@ -373,6 +373,7 @@ CONFIG_POWER_RESET_SYSCON=y
>>>  CONFIG_REGULATOR_MAX8907=y
>>>  CONFIG_REGULATOR_MAX8973=y
>>>  CONFIG_REGULATOR_MAX77686=y
>>> +CONFIG_REGULATOR_MAX77802=m
>>
>> I noticed that the version that landed in 4.2-rc1 as commit
>> f3caa529c6f5 ("ARM: multi_v7_defconfig: Enable max77802 regulator, rtc
>> and clock drivers") doesn't include this symbol. I guess it was caused
>> by a wrong resolved conflict? I'll post a patch to enable the
>> regulator again.
> 
> As you can see in mentioned mainline commit Kukjin removed it manually:
> [kgene@...nel.org: removing useless REGULATOR_MAX77802 config]
>

Oh, I missed that in the commit message. I thought it was a merge / conflict
error, not something done on purpose.
 
> I wonder why?
>

Me too.

> Best regards,
> Krzysztof
> --

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America
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