2 files changed, 4 insertions, 0 deletions
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index df2b0e26f5..7167e58a12 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -865,6 +865,8 @@ static void i440fx_pcihost_class_init(ObjectClass *klass, void *data)
     dc->realize = i440fx_pcihost_realize;
     dc->fw_name = "pci";
     dc->props = i440fx_props;
+    /* Reason: needs to be wired up by pc_init1 */
+    dc->cannot_instantiate_with_device_add_yet = true;
 }
 
 static const TypeInfo i440fx_pcihost_info = {
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 03be05dc0d..015003906a 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -142,6 +142,8 @@ static void q35_host_class_init(ObjectClass *klass, void *data)
     hc->root_bus_path = q35_host_root_bus_path;
     dc->realize = q35_host_realize;
     dc->props = mch_props;
+    /* Reason: needs to be wired up by pc_q35_init */
+    dc->cannot_instantiate_with_device_add_yet = true;
     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
     dc->fw_name = "pci";
 }