On 5/24/07, Paul Mundt <[email protected]> wrote:
It sounds like your constraining your driver based on terminology.
Watchdogs on most embedded platforms support either a 'reset' mode or
otherwise act as periodic timers, trying to push both of these
functionalities in to a watchdog driver is rather pointless.
CONFIG_WATCHDOG implies 'reset' mode by definition.
I agree for a product in the hands of a customer: let the watchdog
pull your bacon out of the fire.
But what about debugging? Suppose your embedded computer with custom
drivers locks up solid every few hundred hours. It would be nice if
the watchdog gave a stack dump instead erasing the evidence. How about
having "action=reset" and "action=debug"?
-- Daniel
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