[PATCH] watchdog: Add support for the Avionic Design Xanthos watchdog timer.

[Thierry Reding]

* Wim Van Sebroeck wrote:
> Hi Bill,
> 
> >> This is the only thing I'm still struggling with: the goal of a watchdog device driver is to make sure that the system reboots when the system isn't stable anymore. So why should you then trigger the interrupt?
> >>   
> >
> > ... because a hard reboot might not be the way he wants to resolve the  
> > situation.
> 
> If your system is unstable then sending a keepalive to the watchdog during
> this interrupt is not going to change anything neither... Or am I missing
> something?

In this case, writing the timeout value to the watchdog is not actually a
keepalive. This is in fact the mechanism used to reset/acknowledge the
watchdog's interrupt.

Thierry