ARM: dma-mapping: Set arm_dma_set_mask() for iommu->set_dma_mask()

struct dma_map_ops iommu_ops doesn't have ->set_dma_mask, which causes
crash when dma_set_mask() is called from some driver.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index dda3904dc64c..d91c4880f559 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1732,6 +1732,8 @@ struct dma_map_ops iommu_ops = {
         .unmap_sg               = arm_iommu_unmap_sg,
         .sync_sg_for_cpu        = arm_iommu_sync_sg_for_cpu,
         .sync_sg_for_device     = arm_iommu_sync_sg_for_device,
+
+        .set_dma_mask           = arm_dma_set_mask,
 };
 
 struct dma_map_ops iommu_coherent_ops = {
@@ -1745,6 +1747,8 @@ struct dma_map_ops iommu_coherent_ops = {
 
         .map_sg         = arm_coherent_iommu_map_sg,
         .unmap_sg       = arm_coherent_iommu_unmap_sg,
+
+        .set_dma_mask   = arm_dma_set_mask,
 };
 
 /**