Re: RockPro64 pwmfan0 on NetBSD10.0_BETA couldn't get 'cooling-levels' property

[David Brownlee <abs%absd.org@localhost>]

On Fri, 9 Jun 2023 at 18:35, <joelp%sdf.org@localhost> wrote:
>
> I'm running NetBSD10.0_BETA daily (June 7th) on a RockPro64. In my dmesg:
>
> [     1.000004] pwmfan0 at simplebus0autoconfiguration error: : couldn't
> get 'cooling-levels' property
>
> In src/sys/dev/fdt/pwm_fan.c
>
>     levels = fdtbus_get_prop(phandle, "cooling-levels", &len);
>     if (len < 4) {
>         aprint_error(": couldn't get 'cooling-levels' property\n");
>         return;
>     }
>
> This leaves the CPU cooling fan off, unfortunately. I did have the fan
> running on NetBSD9.3.
>
> Any options to get at least the fan running at some constant speed?

On a related note, that sounds like something that should fail over to
defaulting to maximum fan speed if feasible...

David