dmar_domain_attach_device() is more meaningful according to what this
helper does.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/intel/iommu.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 393e07ac4c21..6ec5dd4e461b 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2456,7 +2456,8 @@ static int __init si_domain_init(int hw)
 	return 0;
 }
 
-static int domain_add_dev_info(struct dmar_domain *domain, struct device *dev)
+static int dmar_domain_attach_device(struct dmar_domain *domain,
+				     struct device *dev)
 {
 	struct device_domain_info *info = dev_iommu_priv_get(dev);
 	struct intel_iommu *iommu;
@@ -4266,7 +4267,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
 	if (ret)
 		return ret;
 
-	return domain_add_dev_info(to_dmar_domain(domain), dev);
+	return dmar_domain_attach_device(to_dmar_domain(domain), dev);
 }
 
 static int intel_iommu_map(struct iommu_domain *domain,
-- 
2.34.1