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-rw-r--r--Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt
index c03eec116872..3443e0f838df 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt
@@ -35,3 +35,6 @@ the PCIe specification.
NOTE: this only applies to the SMMU itself, not
masters connected upstream of the SMMU.
+
+- hisilicon,broken-prefetch-cmd
+ : Avoid sending CMD_PREFETCH_* commands to the SMMU.