iommu/amd: Make amd_iommu_dev_update_dte() static

As its used inside iommu.c only. Also rename function to dev_update_dte()
as its static function.

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/20240828111029.5429-9-vasant.hegde@amd.comSigned-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/amd/amd_iommu.h

@@ -87,7 +87,6 @@ int amd_iommu_complete_ppr(struct device *dev, u32 pasid, int status, int tag);
 void amd_iommu_flush_all_caches(struct amd_iommu *iommu);
 void amd_iommu_update_and_flush_device_table(struct protection_domain *domain);
 void amd_iommu_domain_update(struct protection_domain *domain);
-void amd_iommu_dev_update_dte(struct iommu_dev_data *dev_data, bool set);
 void amd_iommu_domain_flush_pages(struct protection_domain *domain,
 				  u64 address, size_t size);
 void amd_iommu_dev_flush_pasid_pages(struct iommu_dev_data *dev_data,

drivers/iommu/amd/iommu.c

@@ -1955,7 +1955,7 @@ static void clear_dte_entry(struct amd_iommu *iommu, u16 devid)
 }
 
 /* Update and flush DTE for the given device */
-void amd_iommu_dev_update_dte(struct iommu_dev_data *dev_data, bool set)
+static void dev_update_dte(struct iommu_dev_data *dev_data, bool set)
 {
 	struct amd_iommu *iommu = get_amd_iommu_from_dev(dev_data->dev);
 
@@ -2055,7 +2055,7 @@ static void do_detach(struct iommu_dev_data *dev_data)
 	struct amd_iommu *iommu = get_amd_iommu_from_dev_data(dev_data);
 
 	/* Clear DTE and flush the entry */
-	amd_iommu_dev_update_dte(dev_data, false);
+	dev_update_dte(dev_data, false);
 
 	/* Flush IOTLB and wait for the flushes to finish */
 	amd_iommu_domain_flush_all(domain);
@@ -2467,7 +2467,7 @@ static int blocked_domain_attach_device(struct iommu_domain *domain,
 
 	/* Clear DTE and flush the entry */
 	spin_lock(&dev_data->lock);
-	amd_iommu_dev_update_dte(dev_data, false);
+	dev_update_dte(dev_data, false);
 	spin_unlock(&dev_data->lock);
 
 	return 0;
@@ -2535,7 +2535,7 @@ static int amd_iommu_attach_device(struct iommu_domain *dom,
 	}
 
 	/* Update device table */
-	amd_iommu_dev_update_dte(dev_data, true);
+	dev_update_dte(dev_data, true);
 
 	return ret;
 }