[PATCH 3/6] sparc32-espdma: use object_initialize_child() for esp child object

[Mark Cave-Ayland]

Store the child object directly within the sparc32-espdma object rather than
using link properties.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/dma/sparc32_dma.c           | 17 ++++++++---------
 include/hw/sparc/sparc32_dma.h |  2 +-
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c
index 84196afb95..2cbe331959 100644
--- a/hw/dma/sparc32_dma.c
+++ b/hw/dma/sparc32_dma.c
@@ -290,27 +290,26 @@ static const TypeInfo sparc32_dma_device_info = {
 static void sparc32_espdma_device_init(Object *obj)
 {
     DMADeviceState *s = SPARC32_DMA_DEVICE(obj);
+    ESPDMADeviceState *es = SPARC32_ESPDMA_DEVICE(obj);
 
     memory_region_init_io(&s->iomem, OBJECT(s), &dma_mem_ops, s,
                           "espdma-mmio", DMA_SIZE);
+
+    object_initialize_child(obj, "esp", &es->esp, TYPE_ESP);
 }
 
 static void sparc32_espdma_device_realize(DeviceState *dev, Error **errp)
 {
-    DeviceState *d;
-    SysBusESPState *sysbus;
-    ESPState *esp;
-
-    d = qdev_new(TYPE_ESP);
-    object_property_add_child(OBJECT(dev), "esp", OBJECT(d));
-    sysbus = ESP(d);
-    esp = &sysbus->esp;
+    ESPDMADeviceState *es = SPARC32_ESPDMA_DEVICE(dev);
+    SysBusESPState *sysbus = ESP(&es->esp);
+    ESPState *esp = &sysbus->esp;
+
     esp->dma_memory_read = espdma_memory_read;
     esp->dma_memory_write = espdma_memory_write;
     esp->dma_opaque = SPARC32_DMA_DEVICE(dev);
     sysbus->it_shift = 2;
     esp->dma_enabled = 1;
-    sysbus_realize_and_unref(SYS_BUS_DEVICE(d), &error_fatal);
+    sysbus_realize(SYS_BUS_DEVICE(sysbus), &error_fatal);
 }
 
 static void sparc32_espdma_device_class_init(ObjectClass *klass, void *data)
diff --git a/include/hw/sparc/sparc32_dma.h b/include/hw/sparc/sparc32_dma.h
index f2bfe272ba..d40eca0cc8 100644
--- a/include/hw/sparc/sparc32_dma.h
+++ b/include/hw/sparc/sparc32_dma.h
@@ -32,7 +32,7 @@ DECLARE_INSTANCE_CHECKER(ESPDMADeviceState, 
SPARC32_ESPDMA_DEVICE,
 struct ESPDMADeviceState {
     DMADeviceState parent_obj;
 
-    SysBusESPState *esp;
+    SysBusESPState esp;
 };
 
 #define TYPE_SPARC32_LEDMA_DEVICE "sparc32-ledma"
-- 
2.20.1