ipack: Pass size to ipack_bus_new_inplace()

To be passed to qbus_create_inplace().

Simplify DEVICE() cast to avoid parent field access.

Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

hw/char/ipack.c

@@ -24,7 +24,8 @@ IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot)
     return NULL;
 }
 
-void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,
+void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size,
+                           DeviceState *parent,
                            const char *name, uint8_t n_slots,
                            qemu_irq_handler handler)
 {

hw/char/ipack.h

@@ -72,7 +72,8 @@ extern const VMStateDescription vmstate_ipack_device;
     VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)
 
 IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);
-void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,
+void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size,
+                           DeviceState *parent,
                            const char *name, uint8_t n_slots,
                            qemu_irq_handler handler);
 

hw/char/tpci200.c

@@ -607,7 +607,7 @@ static int tpci200_initfn(PCIDevice *pci_dev)
     pci_register_bar(&s->dev, 4, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->las2);
     pci_register_bar(&s->dev, 5, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->las3);
 
-    ipack_bus_new_inplace(&s->bus, DEVICE(&s->dev), NULL,
+    ipack_bus_new_inplace(&s->bus, sizeof(s->bus), DEVICE(pci_dev), NULL,
                           N_MODULES, tpci200_set_irq);
 
     return 0;