Commit 32e1cccf authored by Yong Wu's avatar Yong Wu Committed by Joerg Roedel
Browse files

iommu/mediatek: Allow IOMMU_DOMAIN_UNMANAGED for PCIe VFIO 



Allow the type IOMMU_DOMAIN_UNMANAGED since vfio_iommu_type1.c always call
iommu_domain_alloc. The PCIe EP works ok when going through vfio.

Signed-off-by: default avatarYong Wu <yong.wu@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-20-yong.wu@mediatek.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent f7b71d0d

drivers/iommu/mtk_iommu.c

+1 −1
Original line number Diff line number Diff line
@@ -446,7 +446,7 @@ static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type) 
{

	struct mtk_iommu_domain *dom;



	if (type != IOMMU_DOMAIN_DMA)

	if (type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_UNMANAGED)

		return NULL;



	dom = kzalloc(sizeof(*dom), GFP_KERNEL);