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authorHiroshi DOYU <hdoyu@nvidia.com>2012-01-26 19:40:57 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2012-07-11 12:25:57 +0200
commit23349902edec4d3d932bca1bb99261477139a36a (patch)
tree96eb09c80fd527125d8dd10f31a5c22f1966e57a /drivers/iommu/tegra-smmu.c
parent4be6a290b87af9136b482d5c22574f070ffdbdb8 (diff)
downloadlinux-23349902edec4d3d932bca1bb99261477139a36a.tar.gz
iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute
Implement the attribute for the Tegra IOMMU drivers.

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
-rw-r--r--drivers/iommu/tegra-smmu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index ecd679043d77..96e73d56451a 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -807,6 +807,11 @@ found:
 	spin_unlock_irqrestore(&as->lock, flags);
 	domain->priv = as;
 
+	domain->geometry.aperture_start = smmu->iovmm_base;
+	domain->geometry.aperture_end   = smmu->iovmm_base +
+		smmu->page_count * SMMU_PAGE_SIZE - 1;
+	domain->geometry.force_aperture = true;
+
 	dev_dbg(smmu->dev, "smmu_as@%p\n", as);
 	return 0;