Re: [PATCH v2 1/2] hwmon: (pwm-fan) add option to leave fan on shutdown

[Akinobu Mita]

2024年10月29日(火) 11:35 Billy Tsai <billy_tsai@xxxxxxxxxxxxxx>:
>
> > This adds an optional property "retain-state-shutdown" as requested by
> > Billy Tsai.
>
> > Billy said:
> >  "Our platform is BMC that will use a PWM-FAN driver to control the fan
> >  on the managed host. In our case, we do not want to stop the fan when
> >  the BMC is reboot, which may cause the temperature of the managed host
> >  not to be lowered."
>
> I confirmed that it works properly.
>
> Reviewed-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx>
> Tested-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx>

Thank you very much for testing.
However, I plan to change this option to device attribute
(/sys/class/hwmon/hwmonX/retain-state-shutdown) instead of the device tree.