hw/i3c/aspeed_i3c: Switch to DEFINE_TYPES() and align parent_obj naming

Following review feedback, update the Aspeed I3C device to use the
DEFINE_TYPES() macro instead of an explicit type registration function.

DEFINE_TYPES() is the currently recommended approach in QEMU for
registering multiple TypeInfo entries and avoids boilerplate
type_init() code.

Additionally, rename embedded SysBusDevice fields from "parent" to
"parent_obj" to comply with the QEMU coding style guidelines for QOM
objects.

No functional change.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Jithu Joseph <jithu.joseph@oss.qualcomm.com>
Link: https://lore.kernel.org/qemu-devel/20260225021158.1586584-3-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>

hw/i3c/aspeed_i3c.c

@@ -337,13 +337,6 @@ static void aspeed_i3c_device_class_init(ObjectClass *klass, const void *data)
     device_class_set_props(dc, aspeed_i3c_device_properties);
 }
 
-static const TypeInfo aspeed_i3c_device_info = {
-    .name = TYPE_ASPEED_I3C_DEVICE,
-    .parent = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(AspeedI3CDevice),
-    .class_init = aspeed_i3c_device_class_init,
-};
-
 static const VMStateDescription vmstate_aspeed_i3c = {
     .name = TYPE_ASPEED_I3C,
     .version_id = 1,
@@ -366,18 +359,20 @@ static void aspeed_i3c_class_init(ObjectClass *klass, const void *data)
     dc->vmsd = &vmstate_aspeed_i3c;
 }
 
-static const TypeInfo aspeed_i3c_info = {
-    .name = TYPE_ASPEED_I3C,
-    .parent = TYPE_SYS_BUS_DEVICE,
-    .instance_init = aspeed_i3c_instance_init,
-    .instance_size = sizeof(AspeedI3CState),
-    .class_init = aspeed_i3c_class_init,
+static const TypeInfo aspeed_i3c_types[] = {
+    {
+        .name = TYPE_ASPEED_I3C,
+        .parent = TYPE_SYS_BUS_DEVICE,
+        .instance_init = aspeed_i3c_instance_init,
+        .instance_size = sizeof(AspeedI3CState),
+        .class_init = aspeed_i3c_class_init,
+    },
+    {
+        .name = TYPE_ASPEED_I3C_DEVICE,
+        .parent = TYPE_SYS_BUS_DEVICE,
+        .instance_size = sizeof(AspeedI3CDevice),
+        .class_init = aspeed_i3c_device_class_init,
+    },
 };
 
-static void aspeed_i3c_register_types(void)
-{
-    type_register_static(&aspeed_i3c_device_info);
-    type_register_static(&aspeed_i3c_info);
-}
-
-type_init(aspeed_i3c_register_types);
+DEFINE_TYPES(aspeed_i3c_types)

include/hw/i3c/aspeed_i3c.h

@@ -21,28 +21,24 @@ OBJECT_DECLARE_TYPE(AspeedI3CState, AspeedI3CClass, ASPEED_I3C)
 #define ASPEED_I3C_NR_DEVICES 6
 
 OBJECT_DECLARE_SIMPLE_TYPE(AspeedI3CDevice, ASPEED_I3C_DEVICE)
-typedef struct AspeedI3CDevice {
-    /* <private> */
-    SysBusDevice parent;
+struct AspeedI3CDevice {
+    SysBusDevice parent_obj;
 
-    /* <public> */
     MemoryRegion mr;
     qemu_irq irq;
 
     uint8_t id;
     uint32_t regs[ASPEED_I3C_DEVICE_NR_REGS];
-} AspeedI3CDevice;
+};
 
-typedef struct AspeedI3CState {
-    /* <private> */
-    SysBusDevice parent;
+struct AspeedI3CState {
+    SysBusDevice parent_obj;
 
-    /* <public> */
     MemoryRegion iomem;
     MemoryRegion iomem_container;
     qemu_irq irq;
 
     uint32_t regs[ASPEED_I3C_NR_REGS];
     AspeedI3CDevice devices[ASPEED_I3C_NR_DEVICES];
-} AspeedI3CState;
+};
 #endif /* ASPEED_I3C_H */