[PATCH v3 5/9] iommu/vt-d: Rename prepare_domain_attach_device()

[Yi Liu <yi.l.liu@intel.com>]

This helper is to ensure the domain is compatible with the device's iommu,
so it is more sanity check than preparation. Hence, rename it.

Suggested-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
---
 drivers/iommu/intel/iommu.c  | 8 ++++----
 drivers/iommu/intel/iommu.h  | 4 ++--
 drivers/iommu/intel/nested.c | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index ae3522a1e025..8d92a221d020 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -3581,8 +3581,8 @@ static void intel_iommu_domain_free(struct iommu_domain *domain)
 	domain_exit(dmar_domain);
 }
 
-int prepare_domain_attach_device(struct iommu_domain *domain,
-				 struct device *dev)
+int domain_attach_device_sanitize(struct iommu_domain *domain,
+				  struct device *dev)
 {
 	struct device_domain_info *info = dev_iommu_priv_get(dev);
 	struct dmar_domain *dmar_domain = to_dmar_domain(domain);
@@ -3632,7 +3632,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
 
 	device_block_translation(dev);
 
-	ret = prepare_domain_attach_device(domain, dev);
+	ret = domain_attach_device_sanitize(domain, dev);
 	if (ret)
 		return ret;
 
@@ -4304,7 +4304,7 @@ static int intel_iommu_set_dev_pasid(struct iommu_domain *domain,
 	if (context_copied(iommu, info->bus, info->devfn))
 		return -EBUSY;
 
-	ret = prepare_domain_attach_device(domain, dev);
+	ret = domain_attach_device_sanitize(domain, dev);
 	if (ret)
 		return ret;
 
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index 1497f3112b12..b020ae90c47e 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/drivers/iommu/intel/iommu.h
@@ -1230,8 +1230,8 @@ void __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
 int domain_attach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu);
 void domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu);
 void device_block_translation(struct device *dev);
-int prepare_domain_attach_device(struct iommu_domain *domain,
-				 struct device *dev);
+int domain_attach_device_sanitize(struct iommu_domain *domain,
+				  struct device *dev);
 void domain_update_iommu_cap(struct dmar_domain *domain);
 
 int dmar_ir_support(void);
diff --git a/drivers/iommu/intel/nested.c b/drivers/iommu/intel/nested.c
index 433c58944401..c1e97ad6be24 100644
--- a/drivers/iommu/intel/nested.c
+++ b/drivers/iommu/intel/nested.c
@@ -40,7 +40,7 @@ static int intel_nested_attach_dev(struct iommu_domain *domain,
 	 * The s2_domain will be used in nested translation, hence needs
 	 * to ensure the s2_domain is compatible with this IOMMU.
 	 */
-	ret = prepare_domain_attach_device(&dmar_domain->s2_domain->domain, dev);
+	ret = domain_attach_device_sanitize(&dmar_domain->s2_domain->domain, dev);
 	if (ret) {
 		dev_err_ratelimited(dev, "s2 domain is not compatible\n");
 		return ret;
-- 
2.34.1