PCI: Rename pci_enable_ari() to pci_configure_ari()

pci_enable_ari() now supports enabling or disabling ARI forwarding.  So
rename pci_enable_ari() to pci_configure_ari() for easy understanding.

No functional change.

[bhelgaas: changelog]
Signed-off-by: NYijing Wang <wangyijing@huawei.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>

drivers/pci/pci.c

@@ -2067,13 +2067,13 @@ void pci_free_cap_save_buffers(struct pci_dev *dev)
 }
 
 /**
- * pci_enable_ari - enable ARI forwarding if hardware support it
+ * pci_configure_ari - enable or disable ARI forwarding
  * @dev: the PCI device
  *
  * If @dev and its upstream bridge both support ARI, enable ARI in the
  * bridge.  Otherwise, disable ARI in the bridge.
  */
-void pci_enable_ari(struct pci_dev *dev)
+void pci_configure_ari(struct pci_dev *dev)
 {
 	u32 cap;
 	struct pci_dev *bridge;

drivers/pci/pci.h

@@ -209,7 +209,7 @@ extern int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 extern int pci_resource_bar(struct pci_dev *dev, int resno,
 			    enum pci_bar_type *type);
 extern int pci_bus_add_child(struct pci_bus *bus);
-extern void pci_enable_ari(struct pci_dev *dev);
+extern void pci_configure_ari(struct pci_dev *dev);
 /**
  * pci_ari_enabled - query ARI forwarding status
  * @bus: the PCI bus

drivers/pci/probe.c

@@ -1286,7 +1286,7 @@ static void pci_init_capabilities(struct pci_dev *dev)
 	pci_vpd_pci22_init(dev);
 
 	/* Alternative Routing-ID Forwarding */
-	pci_enable_ari(dev);
+	pci_configure_ari(dev);
 
 	/* Single Root I/O Virtualization */
 	pci_iov_init(dev);