[PATCH v3 2/2] cache: add SMCCC-backed cache invalidate provider

[Conor Dooley]

Will/Catalin,

On Thu, Sep 10, 2026 at 08:21:42AM +0000, Srirangan Madhavan wrote:
> Add a cache maintenance provider for the Arm SMCCC cache clean+invalidate
> interface.
> 
> The provider discovers SMCCC support and attributes at init time,
> serializes firmware calls, handles transient BUSY and RATE_LIMITED
> responses with bounded retries, and registers with the generic cache
> coherency framework used by memregion callers.
> 
> Signed-off-by: Srirangan Madhavan <smadhavan at nvidia.com>
> Reviewed-by: Jonathan Cameron <jic23 at kernel.org>

If yous wanna take this,
Acked-by: Conor Dooley <conor.dooley at microchip.com>

Cheers,
Conor.
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