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

[Yuri Pankov]

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