Re: [PATCH 2/2] watchdog: pscrr: add watchdog pretimeout reason tracking

[Faruque Ansari]

Hi Guenter,

On 20-Jul-26 10:09 PM, Guenter Roeck wrote:
> On Tue, Jul 14, 2026 at 03:22:35PM +0530, Faruque Ansari wrote:
> > A watchdog pretimeout fires before the actual reset, giving the kernel
> > a brief window to record what happened.  Without this change that
> > window goes unused and the next boot sees PSCR_UNKNOWN, making it
> > impossible to tell a watchdog-driven reset from any other cause.
> >
> > Call set_psc_reason(PSCR_WATCHDOG_PRETIMEOUT) at the top of
> > watchdog_notify_pretimeout() so the reason is recorded as soon as the
> > pretimeout is signalled, before any governor action runs.
> >
> > Signed-off-by: Faruque Ansari <faruque.ansari@xxxxxxxxxxxxxxxx>
> > ---
> >   drivers/power/reset/pscrr.c            | 3 ++-
> >   drivers/watchdog/watchdog_pretimeout.c | 3 +++
> >   include/linux/power/power_on_reason.h  | 1 +
> >   include/linux/reboot.h                 | 1 +
> >   kernel/reboot.c                        | 1 +
>
> This is a cross-subsystem change. As far as I can see it would
> be easy to split it into two patches. Please do that.
>
> Guenter

Thanks for taking the time to review this.
I'll split into separate PSCRR and watchdog patches in v2.

Thanks,
Faruque Ansari