iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver

The ARM SMMU supports the IOMMU_NOEXEC protection flag. Add the
corresponding IOMMU capability.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 566c1769d9bd..c8fc02f111c5 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1569,6 +1569,8 @@ static bool arm_smmu_capable(enum iommu_cap cap)
                 return true;
         case IOMMU_CAP_INTR_REMAP:
                 return true; /* MSIs are just memory writes */
+        case IOMMU_CAP_NOEXEC:
+                return true;
         default:
                 return false;
         }