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 --- arch/arm/mm/dma-mapping.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 6b2fb87..5dfc71f 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1730,6 +1730,8 @@ 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 = { @@ -1743,6 +1745,8 @@ 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, };
/**