[PATCH] firmware/psci: Don't register with debugfs if PSCI isn't available

[Will Deacon]

On Thu, 5 Jan 2023 09:08:34 +0000, Marc Zyngier wrote:
> Contrary to popular belief, PSCI is not a universal property of an
> ARM/arm64 system. There is a garden variety of systems out there
> that don't (or even cannot) implement it.
> 
> I'm the first one deplore such a situation, but hey...
> 
> On such systems, a "cat /sys/kernel/debug/psci" results in
> fireworks, as no invocation callback is registered.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] firmware/psci: Don't register with debugfs if PSCI isn't available
      https://git.kernel.org/arm64/c/cef139299fd8

Cheers,
-- 
Will

https://fixes.arm64.dev
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