Re: [PATCH 2/2] watchdog: Add Apple SoC watchdog driver

[Alyssa Rosenzweig]

> >> + * This HW block has three separate watchdogs. WD0 resets the machine
> >> + * to recovery mode and is not very useful for us. WD1 and WD2 trigger a normal
> >> + * machine reset. WD0 additionally supports a configurable interrupt.
> >
> > Do we have any idea what the difference between WD1 and WD2 is?
> 
> I've never seen macOS write to WD2 when running in our hypervisor and only
> found that one when I was looking at the rest of the MMIO region.
> >From what I can tell it works exactly like WD1.

Makes sense, thanks.