[PATCH v2] OMAP2PLUS: WDT: Fix: Disable WDT after reset during init

Tony Lindgren tony at atomide.com
Tue Oct 5 18:16:32 EDT 2010


* Kevin Hilman <khilman at deeprootsystems.com> [101005 09:26]:
> "Varadarajan, Charulatha" <charu at ti.com> writes:
> 
> > Inorder to avoid any assumptions from bootloader, the watchdog
> > timer module is reset during init. This enables the watchdog
> > timer.
> >
> > Therefore, it is required to disable WDT after it is reset
> > during init. Otherwise the system would reboot as per the default
> > watchdog timer registers settings.
> >
> > Later, when the watchdog driver is loaded, the watchdog timer settings
> > is adjusted as per the default timer_margin set in the driver and the
> > driver would supports the normal operations supported by OMAP watchdog
> > timer.
> >
> > Link to related discussions:
> > https://patchwork.kernel.org/patch/219072/
> >
> > Issue reported by Kevin can be found at:
> > https://patchwork.kernel.org/patch/217262/
> >
> > Signed-off-by: Charulatha V <charu at ti.com>
> > Reported-by: Kevin Hilman <khilman at deeprootsystems.com>
> 
> Acked-by: Kevin Hilman <khilman at deeprootsystems.com>
> 
> Tony, this should queue up for .37 on top of my pm-hwmods branch.
> It applies cleanly to current l-o master.

OK, adding to omap-for-linus.

Tony



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