Merge "iommu/arm-smmu: Remove domain lock variable"

	spinlock_t			pgtbl_lock;

	struct arm_smmu_cfg		cfg;

	enum arm_smmu_domain_stage	stage;

	struct mutex			lock;

	struct mutex			init_mutex; /* Protects smmu pointer */

	u32				attributes;

	u32				secure_vmid;

	smmu_domain->secure_vmid = VMID_INVAL;

	INIT_LIST_HEAD(&smmu_domain->pte_info_list);

	mutex_init(&smmu_domain->lock);

	mutex_init(&smmu_domain->init_mutex);

	spin_lock_init(&smmu_domain->pgtbl_lock);

	domain->priv = smmu_domain;

	struct arm_smmu_domain *smmu_domain = domain->priv;

	int ret;

	mutex_lock(&smmu_domain->lock);

	mutex_lock(&smmu_domain->init_mutex);

	smmu = smmu_domain->smmu;

	if (!smmu) {

		dev_err(dev,

			"Can't call dma_supported on an unattached domain\n");

		mutex_unlock(&smmu_domain->lock);

		mutex_unlock(&smmu_domain->init_mutex);

		return 0;

	}

	ret = ((1ULL << smmu->va_size) - 1) <= mask ? 0 : 1;

	mutex_unlock(&smmu_domain->lock);

	mutex_unlock(&smmu_domain->init_mutex);

	return ret;

}