hw/intc/loongarch_extioi: Move unrealize function to common code

Memory about LoongArchExtIOICommonState::cpu is allocated in common
code, it had better be freed in common code also.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>

hw/intc/loongarch_extioi.c

@@ -377,13 +377,6 @@ static void loongarch_extioi_realize(DeviceState *dev, Error **errp)
     }
 }
 
-static void loongarch_extioi_unrealize(DeviceState *dev)
-{
-    LoongArchExtIOICommonState *s = LOONGARCH_EXTIOI_COMMON(dev);
-
-    g_free(s->cpu);
-}
-
 static void loongarch_extioi_reset_hold(Object *obj, ResetType type)
 {
     LoongArchExtIOIClass *lec = LOONGARCH_EXTIOI_GET_CLASS(obj);
@@ -436,8 +429,6 @@ static void loongarch_extioi_class_init(ObjectClass *klass, const void *data)
 
     device_class_set_parent_realize(dc, loongarch_extioi_realize,
                                     &lec->parent_realize);
-    device_class_set_parent_unrealize(dc, loongarch_extioi_unrealize,
-                                      &lec->parent_unrealize);
     resettable_class_set_parent_phases(rc, NULL, loongarch_extioi_reset_hold,
                                        NULL, &lec->parent_phases);
     lecc->pre_save  = vmstate_extioi_pre_save;

hw/intc/loongarch_extioi_common.c

@@ -108,6 +108,13 @@ static void loongarch_extioi_common_realize(DeviceState *dev, Error **errp)
     }
 }
 
+static void loongarch_extioi_common_unrealize(DeviceState *dev)
+{
+    LoongArchExtIOICommonState *s = LOONGARCH_EXTIOI_COMMON(dev);
+
+    g_free(s->cpu);
+}
+
 static void loongarch_extioi_common_reset_hold(Object *obj, ResetType type)
 {
     LoongArchExtIOICommonClass *lecc = LOONGARCH_EXTIOI_COMMON_GET_CLASS(obj);
@@ -221,6 +228,8 @@ static void loongarch_extioi_common_class_init(ObjectClass *klass,
 
     device_class_set_parent_realize(dc, loongarch_extioi_common_realize,
                                     &lecc->parent_realize);
+    device_class_set_parent_unrealize(dc, loongarch_extioi_common_unrealize,
+                                      &lecc->parent_unrealize);
     resettable_class_set_parent_phases(rc, NULL,
                                        loongarch_extioi_common_reset_hold,
                                        NULL, &lecc->parent_phases);

include/hw/intc/loongarch_extioi.h

@@ -22,7 +22,6 @@ struct LoongArchExtIOIClass {
     LoongArchExtIOICommonClass parent_class;
 
     DeviceRealize parent_realize;
-    DeviceUnrealize parent_unrealize;
     ResettablePhases parent_phases;
 };
 

include/hw/intc/loongarch_extioi_common.h

@@ -94,6 +94,7 @@ struct LoongArchExtIOICommonClass {
     SysBusDeviceClass parent_class;
 
     DeviceRealize parent_realize;
+    DeviceUnrealize parent_unrealize;
     ResettablePhases parent_phases;
     int (*pre_save)(void *s);
     int (*post_load)(void *s, int version_id);