ARM_SMMU_MASTER_TEST_NESTED
if (feat & ARM_SMMU_MASTER_TEST_NESTED) {
feat & ~ARM_SMMU_MASTER_TEST_NESTED);
ARM_SMMU_MASTER_TEST_ATS | ARM_SMMU_MASTER_TEST_NESTED);
ARM_SMMU_MASTER_TEST_ATS | ARM_SMMU_MASTER_TEST_NESTED);