[PATCH v4 5/6] iommu/mediatek: Improve safety for mediatek,smi property in larb nodes

[AngeloGioacchino Del Regno]

Il 24/08/22 08:43, Yong Wu ha scritto:
> No functional change. Just improve safety from dts.
> 
> All the larbs that connect to one IOMMU must connect with the same
> smi-common. This patch checks all the mediatek,smi property for each
> larb, If their mediatek,smi are different, it will return fails.
> Also avoid there is no available smi-larb nodes.
> 
> Suggested-by: Guenter Roeck <groeck at chromium.org>
> Signed-off-by: Yong Wu <yong.wu at mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>