arm_smmu_attach_prepare
ret = arm_smmu_attach_prepare(&state, domain);
ret = arm_smmu_attach_prepare(&state, domain);
ret = arm_smmu_attach_prepare(&state, &smmu_domain->domain);
arm_smmu_attach_prepare(&state, domain);
arm_smmu_attach_prepare(&state, domain);
int arm_smmu_attach_prepare(struct arm_smmu_attach_state *state,