[PATCH v4] powerpc/powernv: hwmon driver for power, fan rpm, voltage and temperature
Guenter Roeck
linux at roeck-us.net
Mon Jul 7 22:59:31 EST 2014
On 07/06/2014 11:56 PM, Benjamin Herrenschmidt wrote:
> On Fri, 2014-07-04 at 19:25 -0700, Guenter Roeck wrote:
>>> +cooling-fan#8-data {
>>> + sensor-id = <0x7052107>;
>>> + phandle = <0x10000028>;
>>> + linux,phandle = <0x10000028>;
>>> + compatible = "ibm,opal-sensor-cooling-fan";
>>
>> phandle and linux-phandle are neither documented nor used. Either
>> document or drop.
>
> They are core device-tree stuff, as such they are used potentially
> anywhere and afaik can be / are generated by DTC but yes, this is
> not the place to document them.
>
Turns out they are documented elsewhere. See
Documentation/devicetree/booting-without-of.txt.
> Or rather, "phandle" is, "linux,phandle" is an older variant used
> for backward compatibility that our firmware still generates but
> definitely something we can strip from the doc.
>
Both are not mentioned in any other bindings, so my take is they should
not be mentioned here either.
Thanks,
Guenter
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