[PATCH v5 3/4] iommu: rockchip: Add internal ops to handle variants

[Heiko Stübner]

Am Freitag, 21. Mai 2021, 10:36:36 CEST schrieb Benjamin Gaignard:
> Add internal ops to be able to handle incoming variant v2.
> The goal is to keep the overall structure of the framework but
> to allow to add the evolution of this hardware block.
> 
> The ops are global for a SoC because iommu domains are not
> attached to a specific devices if they are for a virtuel device like
> drm. Use a global variable shouldn't be since SoC usually doesn't
> embedded different versions of the iommu hardware block.
> If that happen one day a WARN_ON will be displayed at probe time.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard at collabora.com>

Reviewed-by: Heiko Stuebner <heiko at sntech.de>