hw: Remove device_class_set_parent_reset()

There are no callers of device_class_set_parent_reset() left in the tree,
as they've all been converted to use three-phase reset and the
corresponding resettable_class_set_parent_phases() function.
Remove device_class_set_parent_reset().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240830145812.1967042-5-peter.maydell@linaro.org

hw/core/qdev.c

@@ -844,14 +844,6 @@ static void device_class_init(ObjectClass *class, void *data)
                                    offsetof(DeviceState, parent_bus), NULL, 0);
 }
 
-void device_class_set_parent_reset(DeviceClass *dc,
-                                   DeviceReset dev_reset,
-                                   DeviceReset *parent_reset)
-{
-    *parent_reset = dc->reset;
-    dc->reset = dev_reset;
-}
-
 void device_class_set_parent_realize(DeviceClass *dc,
                                      DeviceRealize dev_realize,
                                      DeviceRealize *parent_realize)

include/hw/qdev-core.h

@@ -937,22 +937,6 @@ char *qdev_get_own_fw_dev_path_from_handler(BusState *bus, DeviceState *dev);
  */
 void device_class_set_props(DeviceClass *dc, Property *props);
 
-/**
- * device_class_set_parent_reset() - legacy set device reset handlers
- * @dc: device class
- * @dev_reset: function pointer to reset handler
- * @parent_reset: function pointer to parents reset handler
- *
- * Modern code should use the ResettableClass interface to
- * implement a multi-phase reset instead.
- *
- * TODO: remove the function when DeviceClass's reset method
- * is not used anymore.
- */
-void device_class_set_parent_reset(DeviceClass *dc,
-                                   DeviceReset dev_reset,
-                                   DeviceReset *parent_reset);
-
 /**
  * device_class_set_parent_realize() - set up for chaining realize fns
  * @dc: The device class