Re: [RFC PATCH 5/6] watchdog: ROHM BD96801 PMIC WDG driver

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On Wed, Apr 03, 2024 at 03:47:12PM +0300, Matti Vaittinen wrote:
> > 
> > Other watchdog drivers call emergency_restart() if the watchdog times out
> > and triggers an interrupt. Are you saying this won't work for this system ?
> > If so, please explain.
> > 
> 
> Thanks Guenter. If it works with systems using other devices, then it should
> work (to the same extent) with systems using this PMIC. Thanks.
> 

You might also consider to just call panic(). What is what we do if the
pretimeout panic governor is enabled.

That makes me wonder if it would make sense to introduce watchdog timeout
governors, similar to the existing pretimeout governors. Maybe if I ever
find the time to do it ...

Guenter

> I'll add the IRQ handling to next version - but it may take a while as I'm
> currently having some problems with the IRQs in general, and because I'll
> wait for feedback from Mark to the regulator part.
> 
> Yours,
> 	-- Matti
> 
> -- 
> Matti Vaittinen
> Linux kernel developer at ROHM Semiconductors
> Oulu Finland
> 
> ~~ When things go utterly wrong vim users can always type :help! ~~
> 




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