From 1bd37a6835bef0ecd2138cb42f9088fd890f9939 Mon Sep 17 00:00:00 2001 From: Tirumalesh Chalamarla Date: Fri, 4 Mar 2016 13:56:09 -0800 Subject: iommu/arm-smmu: Workaround for ThunderX erratum #27704 Due to erratum #27704, the CN88xx SMMUv2 implementation supports only shared ASID and VMID numberspaces. This patch ensures that ASID and VMIDs are unique across all SMMU instances on affected Cavium systems. Signed-off-by: Tirumalesh Chalamarla Signed-off-by: Akula Geethasowjanya [will: commit message, comments and formatting] Signed-off-by: Will Deacon --- Documentation/devicetree/bindings/iommu/arm,smmu.txt | 1 + 1 file changed, 1 insertion(+) (limited to 'Documentation/devicetree/bindings/iommu') diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt index 718074501fcb..19fe6f2c83f6 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt @@ -16,6 +16,7 @@ conditions. "arm,mmu-400" "arm,mmu-401" "arm,mmu-500" + "cavium,smmu-v2" depending on the particular implementation and/or the version of the architecture implemented. -- cgit v1.2.3