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>

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 9a114b9ff1704f60278a5c94dd6b55a411adfa4d..5c40937e99887a4f1ca28c3ee717678b645bf752 100644 (file)
--- 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;