mos6522: use device_class_set_parent_reset() to propagate reset to parent

Switch from using a legacy approach to the more formal approach for propagating
device reset to the parent.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220305150957.5053-7-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

hw/misc/mac_via.c

@@ -1076,9 +1076,11 @@ static Property mos6522_q800_via1_properties[] = {
 static void mos6522_q800_via1_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
+    MOS6522DeviceClass *mdc = MOS6522_CLASS(oc);
 
     dc->realize = mos6522_q800_via1_realize;
-    dc->reset = mos6522_q800_via1_reset;
+    device_class_set_parent_reset(dc, mos6522_q800_via1_reset,
+                                  &mdc->parent_reset);
     dc->vmsd = &vmstate_q800_via1;
     device_class_set_props(dc, mos6522_q800_via1_properties);
 }
@@ -1161,7 +1163,8 @@ static void mos6522_q800_via2_class_init(ObjectClass *oc, void *data)
     DeviceClass *dc = DEVICE_CLASS(oc);
     MOS6522DeviceClass *mdc = MOS6522_CLASS(oc);
 
-    dc->reset = mos6522_q800_via2_reset;
+    device_class_set_parent_reset(dc, mos6522_q800_via2_reset,
+                                  &mdc->parent_reset);
     dc->vmsd = &vmstate_q800_via2;
     mdc->portB_write = mos6522_q800_via2_portB_write;
 }

hw/misc/macio/cuda.c

@@ -606,7 +606,8 @@ static void mos6522_cuda_class_init(ObjectClass *oc, void *data)
     DeviceClass *dc = DEVICE_CLASS(oc);
     MOS6522DeviceClass *mdc = MOS6522_CLASS(oc);
 
-    dc->reset = mos6522_cuda_reset;
+    device_class_set_parent_reset(dc, mos6522_cuda_reset,
+                                  &mdc->parent_reset);
     mdc->portB_write = mos6522_cuda_portB_write;
     mdc->get_timer1_counter_value = cuda_get_counter_value;
     mdc->get_timer2_counter_value = cuda_get_counter_value;

hw/misc/macio/pmu.c

@@ -850,7 +850,8 @@ static void mos6522_pmu_class_init(ObjectClass *oc, void *data)
     DeviceClass *dc = DEVICE_CLASS(oc);
     MOS6522DeviceClass *mdc = MOS6522_CLASS(oc);
 
-    dc->reset = mos6522_pmu_reset;
+    device_class_set_parent_reset(dc, mos6522_pmu_reset,
+                                  &mdc->parent_reset);
     mdc->portB_write = mos6522_pmu_portB_write;
     mdc->portA_write = mos6522_pmu_portA_write;
 }

hw/misc/mos6522.c

@@ -519,7 +519,6 @@ static void mos6522_class_init(ObjectClass *oc, void *data)
     dc->reset = mos6522_reset;
     dc->vmsd = &vmstate_mos6522;
     device_class_set_props(dc, mos6522_properties);
-    mdc->parent_reset = dc->reset;
     mdc->portB_write = mos6522_portB_write;
     mdc->portA_write = mos6522_portA_write;
     mdc->get_timer1_counter_value = mos6522_get_counter_value;