diff options
| -rw-r--r-- | drivers/iommu/of_iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c index 157b286e36bf..5b3631ba5a45 100644 --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -254,6 +254,9 @@ void of_iommu_get_resv_regions(struct device *dev, struct list_head *list) phys_addr_t iova; size_t length; + if (of_dma_is_coherent(dev->of_node)) + prot |= IOMMU_CACHE; + maps = of_translate_dma_region(np, maps, &iova, &length); type = iommu_resv_region_get_type(dev, &phys, iova, length); |