iommu/exynos: Implement DOMAIN_ATTR_GEOMETRY attribute

Implement the attribute for the Samsung Exynos IOMMU driver.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 9a114b9ff170..5c40937e9988 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -732,6 +732,10 @@ static int exynos_iommu_domain_init(struct iommu_domain *domain)
         spin_lock_init(&priv->pgtablelock);
         INIT_LIST_HEAD(&priv->clients);
 
+        dom->geometry.aperture_start = 0;
+        dom->geometry.aperture_end   = ~0UL;
+        dom->geometry.force_aperture = true;
+
         domain->priv = priv;
         return 0;