ARM_SMMU_FEAT_TRANS_S2  593 drivers/iommu/arm-smmu-v3.c #define ARM_SMMU_FEAT_TRANS_S2		(1 << 10)
ARM_SMMU_FEAT_TRANS_S2  235 drivers/iommu/arm-smmu.h #define ARM_SMMU_FEAT_TRANS_S2		(1 << 3)