[Qemu-devel] [PATCH v3 5/9] s390x/ccw: create s390 phb conditionally

[Cornelia Huck]

Don't create the s390 pci host bridge if we do not provide the zpci
facility.

Reviewed-by: Thomas Huth <th...@redhat.com>
Signed-off-by: Cornelia Huck <coh...@redhat.com>
---
 hw/s390x/s390-virtio-ccw.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 1c7af39ce6..8be4a541c1 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -118,7 +118,6 @@ static void ccw_init(MachineState *machine)
 {
     int ret;
     VirtualCssBus *css_bus;
-    DeviceState *dev;
 
     s390_sclp_init();
     s390_memory_init(machine->ram_size);
@@ -134,10 +133,13 @@ static void ccw_init(MachineState *machine)
                       machine->initrd_filename, "s390-ccw.img",
                       "s390-netboot.img", true);
 
-    dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
-    object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
-                              OBJECT(dev), NULL);
-    qdev_init_nofail(dev);
+    if (s390_has_feat(S390_FEAT_ZPCI)) {
+        DeviceState *dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
+        object_property_add_child(qdev_get_machine(),
+                                  TYPE_S390_PCI_HOST_BRIDGE,
+                                  OBJECT(dev), NULL);
+        qdev_init_nofail(dev);
+    }
 
     /* register hypercalls */
     virtio_ccw_register_hcalls();
-- 
2.13.3