q800: move dp8393x device to Q800MachineState

Also change the instantiation of the dp8393x device to use object_initialize_child().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
CC: Jason Wang <jasowang@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230621085353.113233-16-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

hw/m68k/q800.c

@@ -315,14 +315,16 @@ static void q800_machine_init(MachineState *machine)
     nd_table[0].macaddr.a[1] = 0x00;
     nd_table[0].macaddr.a[2] = 0x07;
 
-    dev = qdev_new("dp8393x");
+    object_initialize_child(OBJECT(machine), "dp8393x", &m->dp8393x,
+                            TYPE_DP8393X);
+    dev = DEVICE(&m->dp8393x);
     qdev_set_nic_properties(dev, &nd_table[0]);
     qdev_prop_set_uint8(dev, "it_shift", 2);
     qdev_prop_set_bit(dev, "big_endian", true);
     object_property_set_link(OBJECT(dev), "dma_mr",
                              OBJECT(get_system_memory()), &error_abort);
     sysbus = SYS_BUS_DEVICE(dev);
-    sysbus_realize_and_unref(sysbus, &error_fatal);
+    sysbus_realize(sysbus, &error_fatal);
     memory_region_add_subregion(&m->macio, SONIC_BASE - IO_BASE,
                                 sysbus_mmio_get_region(sysbus, 0));
     sysbus_connect_irq(sysbus, 0,

include/hw/m68k/q800.h

@@ -29,6 +29,7 @@
 #include "exec/memory.h"
 #include "hw/m68k/q800-glue.h"
 #include "hw/misc/mac_via.h"
+#include "hw/net/dp8393x.h"
 
 /*
  * The main Q800 machine
@@ -42,6 +43,7 @@ struct Q800MachineState {
     GLUEState glue;
     MOS6522Q800VIA1State via1;
     MOS6522Q800VIA2State via2;
+    dp8393xState dp8393x;
     MemoryRegion macio;
     MemoryRegion macio_alias;
 };