iommu/arm-smmu: Wire up map_sg for arm-smmu-v3

commit 9aeb26cfc2abc96be42b9df2d0f2dc5d805084ff upstream.

The map_sg callback is missing from arm_smmu_ops, but is required by
iommu.h. Similarly to most other IOMMU drivers, connect it to
default_iommu_map_sg.

Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 4e5118a4cd305ee4fa9ae6613d9e9615b1570082..8487987458a1a7d10b78693b629b93c6824468e6 100644 (file)
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1919,6 +1919,7 @@ static struct iommu_ops arm_smmu_ops = {
        .detach_dev             = arm_smmu_detach_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,