[PATCH v4 07/35] iommu/mediatek: Add mutex for data in the mtk_iommu_domain

[AngeloGioacchino Del Regno]

Il 25/01/22 09:56, Yong Wu ha scritto:
> Same with the previous patch, add a mutex for the "data" in the
> mtk_iommu_domain. Just improve the safety for multi devices
> enter attach_device at the same time. We don't get the real issue
> for this.
> 
> Signed-off-by: Yong Wu <yong.wu at mediatek.com>

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