iommu/amd: Rework amd_iommu_update_and_flush_device_table()

Remove separate function to update and flush the device table as only
amd_iommu_update_and_flush_device_table() calls these functions.

No functional changes intended.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20240828111029.5429-8-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

Author: hegdevasant

drivers/iommu/amd/iommu.c

@@ -1591,15 +1591,7 @@ static void domain_flush_np_cache(struct protection_domain *domain,
 /*
  * This function flushes the DTEs for all devices in domain
  */
-static void domain_flush_devices(struct protection_domain *domain)
-{
-	struct iommu_dev_data *dev_data;
-
-	list_for_each_entry(dev_data, &domain->dev_list, list)
-		device_flush_dte(dev_data);
-}
-
-static void update_device_table(struct protection_domain *domain)
+void amd_iommu_update_and_flush_device_table(struct protection_domain *domain)
 {
 	struct iommu_dev_data *dev_data;
 
@@ -1609,12 +1601,10 @@ static void update_device_table(struct protection_domain *domain)
 		set_dte_entry(iommu, dev_data);
 		clone_aliases(iommu, dev_data->dev);
 	}
-}
 
-void amd_iommu_update_and_flush_device_table(struct protection_domain *domain)
-{
-	update_device_table(domain);
-	domain_flush_devices(domain);
+	list_for_each_entry(dev_data, &domain->dev_list, list)
+		device_flush_dte(dev_data);
+
 	domain_flush_complete(domain);
 }