hw/ppc: Eliminate two superfluous QOM casts

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-15-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

hw/ppc/mac_newworld.c

@@ -122,7 +122,7 @@ static void ppc_core99_init(MachineState *machine)
     long kernel_size, initrd_size;
     UNINHostState *uninorth_pci;
     PCIBus *pci_bus;
-    NewWorldMacIOState *macio;
+    PCIDevice *macio;
     bool has_pmu, has_adb;
     MACIOIDEState *macio_ide;
     BusState *adb_bus;
@@ -375,7 +375,7 @@ static void ppc_core99_init(MachineState *machine)
     pci_bus = PCI_HOST_BRIDGE(uninorth_pci)->bus;
 
     /* MacIO */
-    macio = NEWWORLD_MACIO(pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO));
+    macio = pci_create(pci_bus, -1, TYPE_NEWWORLD_MACIO);
     dev = DEVICE(macio);
     qdev_prop_set_uint64(dev, "frequency", tbfreq);
     qdev_prop_set_bit(dev, "has-pmu", has_pmu);

hw/ppc/mac_oldworld.c

@@ -94,7 +94,7 @@ static void ppc_heathrow_init(MachineState *machine)
     uint32_t kernel_base, initrd_base, cmdline_base = 0;
     int32_t kernel_size, initrd_size;
     PCIBus *pci_bus;
-    OldWorldMacIOState *macio;
+    PCIDevice *macio;
     MACIOIDEState *macio_ide;
     SysBusDevice *s;
     DeviceState *dev, *pic_dev;
@@ -278,7 +278,7 @@ static void ppc_heathrow_init(MachineState *machine)
     ide_drive_get(hd, ARRAY_SIZE(hd));
 
     /* MacIO */
-    macio = OLDWORLD_MACIO(pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO));
+    macio = pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO);
     dev = DEVICE(macio);
     qdev_prop_set_uint64(dev, "frequency", tbfreq);
     object_property_set_link(OBJECT(macio), OBJECT(pic_dev), "pic",