[Letux-kernel] Palmas wtchdog driver?

Tony Lindgren tony at atomide.com
Thu Dec 13 19:14:56 CET 2018


* H. Nikolaus Schaller <hns at goldelico.com> [181208 21:35]:
> Hi Tony,
> I had the OMAP5 running very very hot by a kernel hang (most likely a spinlock).
> And I wondered if there is no safety mechanism (watchdog timer).
> 
> I did a little research and there seems to be no WDT driver for the Palmas in
> mainline.
> 
> There was something:
> 
> 	https://lore.kernel.org/patchwork/patch/367777/
> 
> but it seems it did not arrive upstream.
> Any reasons or problems with the driver? Or a newer version sitting in some
> git?

Sorry no idea. Maybe check if it's similar to the
drivers/watchdog/twl4030_wdt.c?

Note that some devices just use drivers/watchdog/omap_wdt.c
that is wired to the PMIC used. So maybe the Palmas WDT
was just forgotten if it was not needed?

Regards,

Tony


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