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path: root/drivers/iommu/arm-smmu-v3.c
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Diffstat (limited to 'drivers/iommu/arm-smmu-v3.c')
-rw-r--r--drivers/iommu/arm-smmu-v3.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 94b68213c50d..ce801170d5f2 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1941,6 +1941,7 @@ static struct iommu_ops arm_smmu_ops = {
.attach_dev = arm_smmu_attach_dev,
.map = arm_smmu_map,
.unmap = arm_smmu_unmap,
+ .map_sg = default_iommu_map_sg,
.iova_to_phys = arm_smmu_iova_to_phys,
.add_device = arm_smmu_add_device,
.remove_device = arm_smmu_remove_device,
@@ -2686,6 +2687,8 @@ static int __init arm_smmu_init(void)
if (ret)
return ret;
+ pci_request_acs();
+
return bus_set_iommu(&pci_bus_type, &arm_smmu_ops);
}