pci: rename pci_register_bar_region() to pci_register_bar()

Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 95203c8..df27c19 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -644,9 +644,8 @@
     memory_region_init(&proxy->msix_bar, "virtio-msix", 4096);
     if (vdev->nvectors && !msix_init(&proxy->pci_dev, vdev->nvectors,
                                      &proxy->msix_bar, 1, 0)) {
-        pci_register_bar_region(&proxy->pci_dev, 1,
-                                PCI_BASE_ADDRESS_SPACE_MEMORY,
-                                &proxy->msix_bar);
+        pci_register_bar(&proxy->pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY,
+                         &proxy->msix_bar);
     } else
         vdev->nvectors = 0;
 
@@ -658,8 +657,8 @@
 
     memory_region_init_io(&proxy->bar, &virtio_pci_config_ops, proxy,
                           "virtio-pci", size);
-    pci_register_bar_region(&proxy->pci_dev, 0, PCI_BASE_ADDRESS_SPACE_IO,
-                            &proxy->bar);
+    pci_register_bar(&proxy->pci_dev, 0, PCI_BASE_ADDRESS_SPACE_IO,
+                     &proxy->bar);
 
     if (!kvm_has_many_ioeventfds()) {
         proxy->flags &= ~VIRTIO_PCI_FLAG_USE_IOEVENTFD;