diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c
index b53109521e..8831e6728e 100644
--- a/hw/riscv/sifive_e.c
+++ b/hw/riscv/sifive_e.c
@@ -120,9 +120,8 @@ static void riscv_sifive_e_soc_init(Object *obj)
     MachineState *ms = MACHINE(qdev_get_machine());
     SiFiveESoCState *s = RISCV_E_SOC(obj);
 
-    object_initialize_child(obj, "cpus", &s->cpus,
-                            sizeof(s->cpus), TYPE_RISCV_HART_ARRAY,
-                            &error_abort, NULL);
+    sysbus_init_child_obj(obj, "cpus", &s->cpus,
+                          sizeof(s->cpus), TYPE_RISCV_HART_ARRAY);
     object_property_set_int(OBJECT(&s->cpus), ms->smp.cpus, "num-harts",
                             &error_abort);
     sysbus_init_child_obj(obj, "riscv.sifive.e.gpio0",
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index 4299bdf480..bb69fd8e48 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -491,10 +491,9 @@ static void riscv_sifive_u_soc_init(Object *obj)
                             &error_abort, NULL);
     qdev_prop_set_uint32(DEVICE(&s->e_cluster), "cluster-id", 0);
 
-    object_initialize_child(OBJECT(&s->e_cluster), "e-cpus",
-                            &s->e_cpus, sizeof(s->e_cpus),
-                            TYPE_RISCV_HART_ARRAY, &error_abort,
-                            NULL);
+    sysbus_init_child_obj(OBJECT(&s->e_cluster), "e-cpus",
+                          &s->e_cpus, sizeof(s->e_cpus),
+                          TYPE_RISCV_HART_ARRAY);
     qdev_prop_set_uint32(DEVICE(&s->e_cpus), "num-harts", 1);
     qdev_prop_set_uint32(DEVICE(&s->e_cpus), "hartid-base", 0);
     qdev_prop_set_string(DEVICE(&s->e_cpus), "cpu-type", SIFIVE_E_CPU);
@@ -504,10 +503,9 @@ static void riscv_sifive_u_soc_init(Object *obj)
                             &error_abort, NULL);
     qdev_prop_set_uint32(DEVICE(&s->u_cluster), "cluster-id", 1);
 
-    object_initialize_child(OBJECT(&s->u_cluster), "u-cpus",
-                            &s->u_cpus, sizeof(s->u_cpus),
-                            TYPE_RISCV_HART_ARRAY, &error_abort,
-                            NULL);
+    sysbus_init_child_obj(OBJECT(&s->u_cluster), "u-cpus",
+                          &s->u_cpus, sizeof(s->u_cpus),
+                          TYPE_RISCV_HART_ARRAY);
     qdev_prop_set_uint32(DEVICE(&s->u_cpus), "num-harts", ms->smp.cpus - 1);
     qdev_prop_set_uint32(DEVICE(&s->u_cpus), "hartid-base", 1);
     qdev_prop_set_string(DEVICE(&s->u_cpus), "cpu-type", SIFIVE_U_CPU);
diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c
index d0c4843712..01d52e758e 100644
--- a/hw/riscv/spike.c
+++ b/hw/riscv/spike.c
@@ -169,8 +169,8 @@ static void spike_board_init(MachineState *machine)
     unsigned int smp_cpus = machine->smp.cpus;
 
     /* Initialize SOC */
-    object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
-                            TYPE_RISCV_HART_ARRAY, &error_abort, NULL);
+    sysbus_init_child_obj(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
+                          TYPE_RISCV_HART_ARRAY);
     object_property_set_str(OBJECT(&s->soc), machine->cpu_type, "cpu-type",
                             &error_abort);
     object_property_set_int(OBJECT(&s->soc), smp_cpus, "num-harts",
@@ -275,8 +275,8 @@ static void spike_v1_10_0_board_init(MachineState *machine)
     }
 
     /* Initialize SOC */
-    object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
-                            TYPE_RISCV_HART_ARRAY, &error_abort, NULL);
+    sysbus_init_child_obj(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
+                          TYPE_RISCV_HART_ARRAY);
     object_property_set_str(OBJECT(&s->soc), SPIKE_V1_10_0_CPU, "cpu-type",
                             &error_abort);
     object_property_set_int(OBJECT(&s->soc), smp_cpus, "num-harts",
@@ -365,8 +365,8 @@ static void spike_v1_09_1_board_init(MachineState *machine)
     }
 
     /* Initialize SOC */
-    object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
-                            TYPE_RISCV_HART_ARRAY, &error_abort, NULL);
+    sysbus_init_child_obj(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
+                          TYPE_RISCV_HART_ARRAY);
     object_property_set_str(OBJECT(&s->soc), SPIKE_V1_09_1_CPU, "cpu-type",
                             &error_abort);
     object_property_set_int(OBJECT(&s->soc), smp_cpus, "num-harts",
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index 7ce28895bc..0c5bcdc37f 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -485,8 +485,8 @@ static void riscv_virt_board_init(MachineState *machine)
     unsigned int smp_cpus = machine->smp.cpus;
 
     /* Initialize SOC */
-    object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
-                            TYPE_RISCV_HART_ARRAY, &error_abort, NULL);
+    sysbus_init_child_obj(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
+                          TYPE_RISCV_HART_ARRAY);
     object_property_set_str(OBJECT(&s->soc), machine->cpu_type, "cpu-type",
                             &error_abort);
     object_property_set_int(OBJECT(&s->soc), smp_cpus, "num-harts",
