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[PATCH 4.6 089/203] iommu/arm-smmu: Wire up map_sg for arm-smmu-v3

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  [PATCH 4.6 089/203] iommu/arm-smmu: Wire up map_sg for arm-smmu-v3 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-07-25 23:40 +0200

#1449967 — [PATCH 4.6 089/203] iommu/arm-smmu: Wire up map_sg for arm-smmu-v3

4.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>

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>

---
 drivers/iommu/arm-smmu-v3.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1942,6 +1942,7 @@ 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,

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