Re: [PATCH v14 04/32] firmware: arm_scmi: Introduce protocol instance notifiers

[Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>]

On Fri, 16 Oct 2026 19:55:25 +0100
Cristian Marussi <cristian.marussi@arm.com> wrote:

> SCMI Protocol notifications are typically used by SCMI drivers to detect
> and react to particular conditions: this was the assumption and the classic
> usage scenario upon which the SCMI notification framework was built.
> 
> Some protocols like Telemetry, though, could be interested in enabling and
> registering for such notifications: in such a scenario each initialized
> protocol instance could want to register a common protocol notifier.
> 
> In order to reuse the existing SCMI Notifications machinery, allow
> protocols themselves to register for their own notifications and provide
> their own notifier callbacks.
> 
> Each protocol, at the end of its initialization phase, can now provide one
> unique per-protocol-instance notifier block, which will be registered, by
> the core SCMI stack, on the related notification chain: such notifier will
> be automatically removed during the protocol de-initialization phase.
> 
> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Whilst I'm not that familiar with this code, it seems fine to me
(i.e. needs more eyes despite the tag)

Reviewed-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>