linux-kernel - Re: [PATCH 05/22] ARM: dtsi: axp209: add AXP209 ADC subnode

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Date:   Thu, 5 Jan 2017 16:16:07 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Quentin Schulz <quentin.schulz@...e-electrons.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, Jonathan Cameron <jic23@...nel.org>,
        knaack.h@....de, Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sebastian Reichel <sre@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Lee Jones <lee.jones@...aro.org>, linux-iio@...r.kernel.org,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Icenowy Zheng <icenowy@...c.xyz>,
        Bruno Prémont <bonbons@...ux-vserver.org>
Subject: Re: [PATCH 05/22] ARM: dtsi: axp209: add AXP209 ADC subnode

On Thu, Jan 5, 2017 at 4:08 PM, Quentin Schulz
<quentin.schulz@...e-electrons.com> wrote:
> On 05/01/2017 06:51, Chen-Yu Tsai wrote:
>> On Tue, Jan 3, 2017 at 12:37 AM, Quentin Schulz
>> <quentin.schulz@...e-electrons.com> wrote:
>>> X-Powers AXP209 PMIC has multiple ADCs, each one exposing data from the
>>> different power supplies connected to the PMIC.
>>>
>>> This adds the ADC subnode for AXP20X PMIC.
>>>
>>> Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
>>> ---
>>>  arch/arm/boot/dts/axp209.dtsi | 5 +++++
>>>  1 file changed, 5 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/axp209.dtsi b/arch/arm/boot/dts/axp209.dtsi
>>> index 675bb0f..2a4e8ee 100644
>>> --- a/arch/arm/boot/dts/axp209.dtsi
>>> +++ b/arch/arm/boot/dts/axp209.dtsi
>>> @@ -53,6 +53,11 @@
>>>         interrupt-controller;
>>>         #interrupt-cells = <1>;
>>>
>>> +       axp209_adc: axp209_adc {
>>
>> Node name should be generic. Please change it to "adc".
>>
>
> OK, do I keep the label as is?
>
> axp209_adc: adc {

Yup. The label is for dereferencing and stuff, and exists in a global scope.
You wouldn't want 2 label names clashing.

ChenYu

>
> Thanks,
> Quentin
>
> --
> Quentin Schulz, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com