[PATCH] watchdog: rti: support SPL (or re-start)

Sverdlin, Alexander alexander.sverdlin at siemens.com
Mon Dec 16 07:55:37 CET 2024


Hi Stefan!

On Sat, 2024-12-14 at 14:36 +0100, Stefan Roese wrote:
> > > If the RTI watchdog has been enabled in SPL, enabling it in U-Boot proper
> > > fails because it can only be enabled once in HW and never stopped. This
> > > however leads to a situation that wdt_cyclic() watchdog trigger is not
> > > being started any longer and the WDT fires at some point.
> > > 
> > > Allow for WDT re-start by not bailing out if the [previously] configured
> > > period matches the one to be configured.
> > > 
> > > Enabling in [A53] SPL has been tested on AM62x-based HW (where [A53] SPL is
> > > responsible for loading R5 DM firmware and not this driver).
> > > 
> > > Signed-off-by: Alexander Sverdlin <alexander.sverdlin at siemens.com>
> > 
> > I saw that this patch has been set to "Superseded" in the patchwork [1],
> > but I'm not sure by which patch. Could it be that it happened by mistake?
> 
> Might be. I need to take a look...
> 
> > My other patch for the rti watchdog [2] is addressing some unrelated issue...
> > 
> > 1.
> > https://patchwork.ozlabs.org/project/uboot/patch/20241108211506.1348528-1-alexander.sverdlin@siemens.com/
> > 
> > 2.
> > https://patchwork.ozlabs.org/project/uboot/patch/20241120222412.1873381-1-alexander.sverdlin@siemens.com/
> > https://patchwork.ozlabs.org/project/uboot/patch/20241121080326.1913067-1-alexander.sverdlin@siemens.com/
> 
> Sorry, I missed handling the watchdog patches in this release cycle.
> And now we are pretty late in the release cycle and I would prefer
> to defer pulling these patches after the upcoming release beginning
> of January. Please excuse the inconvenience.

Thanks for the quick reply!
No problem, thank you for your efforts!

-- 
Alexander Sverdlin
Siemens AG
www.siemens.com


More information about the U-Boot mailing list