Subject: Re: [PATCH v4 3/3] leds/powernv: Add driver for PowerNV platform

From: Vasant Hegde <[email-masked]>
Date: Thu, 30 Apr 2015 20:38:31 +0530

On 04/30/2015 07:59 PM, Jacek Anaszewski wrote:
> Hi Vasant,

Hi  Jacek,

.../...

>> diff --git a/Documentation/devicetree/bindings/leds/leds-powernv.txt
>> b/Documentation/devicetree/bindings/leds/leds-powernv.txt
>> new file mode 100644
>> index 0000000..6bb0e7e
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/leds/leds-powernv.txt
>> @@ -0,0 +1,29 @@
>> +Device Tree binding for LEDs on IBM Power Systems
>> +-------------------------------------------------
>> +
>> +The 'led' node under '/ibm,opal' lists service indicators available in the
>> +system and their capabilities.
>> +
>> +led {
>> +    compatible = "ibm,opal-v3-led";
>> +    phandle = <0x1000006b>;
>> +    linux,phandle = <0x1000006b>;
>> +    led-mode = "lightpath";
>> +
>> +    U78C9.001.RST0027-P1-C1 {
>> +        led-types = "identify", "fault";
>> +        led-loc = "descendent";
>> +        phandle = <0x1000006f>;
>> +        linux,phandle = <0x1000006f>;
>> +    };
>> +    ...
>> +    ...
>> +};
>> +
>> +Each node under 'led' node describes location code of FRU/Enclosure.
>> +
>> +The properties under each node:
>> +
>> +  led-types : Supported LED types (attention/identify/fault).
>> +
>> +  led-loc   : enclosure/descendent(FRU) location code.
> 
> DT documentation it usually constructed so that properties are
> described in the beginning and the file ends with an example.
> 
> Also last time I mistakenly requested to remove description of
> compatible property, but it should also be present here and
> the entry should described it in detail, like:
> 
> - compatible : Should be "ibm,opal-v3-led".

That's fine. I will fix it in v5.

> 
> Please refer to the other bindings,
> 
> I will express my opinion on the LED part after powerpc maintainer
> will ack DT bindings.
> 

Sure..

@Ben/Michael,
  Can you please review/ack this patchset?

-Vasant