[PATCH v4 3/8] firmware: smccc: lfa: Add timeout and trigger watchdog

Sudeep Holla sudeep.holla at kernel.org
Mon Sep 21 08:36:00 PDT 2026


On Fri, Sep 18, 2026 at 04:11:06PM +0200, Andre Przywara wrote:
> From: Vedashree Vidwans <vvidwans at nvidia.com>
> 
> Enhance PRIME/ACTIVATION functions to touch watchdog and implement
> timeout mechanism. This update ensures that any potential hangs are
> detected promptly and that the LFA process is allocated sufficient
> execution time before the watchdog timer expires. These changes improve
> overall system reliability by reducing the risk of undetected process
> stalls and unexpected watchdog resets.
> 

I assume this change is separate from 2/8 for authorship purposes.
Otherwise it should ideally be part of the original driver. It is prone
to firmware bugs without these changes.

-- 
Regards,
Sudeep



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