[Phosphor-power] psu-ng: Add method to get PSU conf from D-Bus.

Brandon Wyman bjwyman at gmail.com
Fri Jun 25 03:50:02 AEST 2021

On 2021-06-23 04:11, Chanh Nguyen OS wrote:
> Hi B. J. Wyman,
> I'm using the psu-ng to monitor the PSU. I used the 
> */pmbus/*(https://github.com/openbmc/linux/blob/dev-5.10/Documentation/hwmon/pmbus.rst 
> <https://github.com/openbmc/linux/blob/dev-5.10/Documentation/hwmon/pmbus.rst>) 
> driver to support hardware monitoring for the PSU, don't use the 
> */ibm-cffps/*driver 
> (https://github.com/openbmc/linux/blob/dev-5.10/Documentation/hwmon/ibm-cffps.rst 
> <https://github.com/openbmc/linux/blob/dev-5.10/Documentation/hwmon/ibm-cffps.rst>)
> I don't clear why we fix to use the *IBMCFFPSInterface 
> (https://gerrit.openbmc-project.xyz/c/openbmc/phosphor-power/+/38138/10/phosphor-power-supply/psu_manager.cpp#16 
> <https://gerrit.openbmc-project.xyz/c/openbmc/phosphor-power/+/38138/10/phosphor-power-supply/psu_manager.cpp#16>)* ?

Yeah, that was sort of a short-sighted updated. That probably should 
have been something configurable:


That is used to get the power supply information off of D-Bus, hopefully 
populated by the entity-manager service.



This should *NOT* be IBM specific, but I had some kind of blinders on 
when I wrote this.

> Thanks,
> Chanh Nguyen
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