Why isn't there a driver attached to this device?

[Yuri Pankov]

Kevin Oberman wrote:
> On Fri, Feb 19, 2021 at 2:54 AM Yuri Pankov <yuripv at yuripv.dev> wrote:
> 
>> Steven Friedrich wrote:
>>> I am surprised this device has no driver attached.  I do include
>> coretemp in
>>> my kernel.
>>>
>>> This is from pciconf -lv
>>>
>>> none0 at pci0:0:18:0:      class=0x118000 card=0x843f103c chip=0xa3798086
>>> rev=0x10 hdr=0x00
>>>     vendor     = 'Intel Corporation'
>>>     device     = 'Cannon Lake PCH Thermal Controller'
>>>     class      = dasp
>>>
>>
>> That's different from coretemp(4), and should be driven by pchtherm(4),
>> but it seems to be only in 13 and not backported to stable/12:
>>
>>
>> https://www.freebsd.org/cgi/man.cgi?query=pchtherm&apropos=0&sektion=0&manpath=FreeBSD+13.0-current&arch=default&format=html
>> _______________________________________________
>>
> I see the kernel module on my 12-STABLE system, so I would expect it in
> 12.3.

Interesting, checking out stable/12 branch, I don't see any files named
\*pchtherm\*, nor does grep find any matching contents.