Switch the s390x virtual-css bus from using BusClass::reset to the
Resettable interface.

This has no behavioural change, because the BusClass code to support
subclasses that use the legacy BusClass::reset will call that method
in the hold phase of 3-phase reset.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Cédric Le Goater <clg@redhat.com>
Acked-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-id: 20240119163512.3810301-5-peter.maydell@linaro.org
---
 hw/s390x/css-bridge.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/s390x/css-bridge.c b/hw/s390x/css-bridge.c
index 15d26efc951..34639f21435 100644
--- a/hw/s390x/css-bridge.c
+++ b/hw/s390x/css-bridge.c
@@ -56,7 +56,7 @@ static void ccw_device_unplug(HotplugHandler *hotplug_dev,
     qdev_unrealize(dev);
 }
 
-static void virtual_css_bus_reset(BusState *qbus)
+static void virtual_css_bus_reset_hold(Object *obj)
 {
     /* This should actually be modelled via the generic css */
     css_reset();
@@ -81,8 +81,9 @@ static char *virtual_css_bus_get_dev_path(DeviceState *dev)
 static void virtual_css_bus_class_init(ObjectClass *klass, void *data)
 {
     BusClass *k = BUS_CLASS(klass);
+    ResettableClass *rc = RESETTABLE_CLASS(klass);
 
-    k->reset = virtual_css_bus_reset;
+    rc->phases.hold = virtual_css_bus_reset_hold;
     k->get_dev_path = virtual_css_bus_get_dev_path;
 }
 
-- 
2.34.1