pci-bridge-dev: QOM parent field cleanup

Rename it to avoid accidental use.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Don Koch <dkoch@verizon.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

hw/pci-bridge/pci_bridge_dev.c

@@ -27,8 +27,15 @@
 #include "exec/memory.h"
 #include "hw/pci/pci_bus.h"
 
+#define TYPE_PCI_BRIDGE_DEV "pci-bridge"
+#define PCI_BRIDGE_DEV(obj) \
+    OBJECT_CHECK(PCIBridgeDev, (obj), TYPE_PCI_BRIDGE_DEV)
+
 struct PCIBridgeDev {
-    PCIBridge bridge;
+    /*< private >*/
+    PCIBridge parent_obj;
+    /*< public >*/
+
     MemoryRegion bar;
     uint8_t chassis_nr;
 #define PCI_BRIDGE_DEV_F_MSI_REQ 0
@@ -39,7 +46,7 @@ typedef struct PCIBridgeDev PCIBridgeDev;
 static int pci_bridge_dev_initfn(PCIDevice *dev)
 {
     PCIBridge *br = PCI_BRIDGE(dev);
-    PCIBridgeDev *bridge_dev = DO_UPCAST(PCIBridgeDev, bridge, br);
+    PCIBridgeDev *bridge_dev = PCI_BRIDGE_DEV(dev);
     int err;
 
     err = pci_bridge_initfn(dev, TYPE_PCI_BUS);
@@ -81,8 +88,7 @@ static int pci_bridge_dev_initfn(PCIDevice *dev)
 
 static void pci_bridge_dev_exitfn(PCIDevice *dev)
 {
-    PCIBridge *br = PCI_BRIDGE(dev);
-    PCIBridgeDev *bridge_dev = DO_UPCAST(PCIBridgeDev, bridge, br);
+    PCIBridgeDev *bridge_dev = PCI_BRIDGE_DEV(dev);
     if (msi_present(dev)) {
         msi_uninit(dev);
     }
@@ -104,7 +110,7 @@ static void pci_bridge_dev_write_config(PCIDevice *d,
 
 static void qdev_pci_bridge_dev_reset(DeviceState *qdev)
 {
-    PCIDevice *dev = DO_UPCAST(PCIDevice, qdev, qdev);
+    PCIDevice *dev = PCI_DEVICE(qdev);
 
     pci_bridge_reset(qdev);
     shpc_reset(dev);
@@ -120,8 +126,8 @@ static Property pci_bridge_dev_properties[] = {
 static const VMStateDescription pci_bridge_dev_vmstate = {
     .name = "pci_bridge",
     .fields = (VMStateField[]) {
-        VMSTATE_PCI_DEVICE(bridge.parent_obj, PCIBridgeDev),
-        SHPC_VMSTATE(bridge.parent_obj.shpc, PCIBridgeDev),
+        VMSTATE_PCI_DEVICE(parent_obj, PCIBridge),
+        SHPC_VMSTATE(shpc, PCIDevice),
         VMSTATE_END_OF_LIST()
     }
 };
@@ -145,7 +151,7 @@ static void pci_bridge_dev_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo pci_bridge_dev_info = {
-    .name = "pci-bridge",
+    .name          = TYPE_PCI_BRIDGE_DEV,
     .parent        = TYPE_PCI_BRIDGE,
     .instance_size = sizeof(PCIBridgeDev),
     .class_init = pci_bridge_dev_class_init,