These first patch remove the console_exit function in sclp since it 
actually does nothing, the callback return type in SCLPEventClass is
changed to void. The second patch convert return type of *_exit function
 of virtio-ccw to void. The third patch replace the exit callback with
unrealize in the class init function of virtio-ccw, because the exit 
callback of DeviceClass will be removed in the future.

Zihan Yang (3):
  hw/char/sclp*: remove console_exit function in sclp
  hw/s390x: make virtio_ccw_exit function in virtio-ccw return void
  hw/s390: replace exit with unrealize during class init of virtio-ccw

 hw/char/sclpconsole-lm.c          | 6 ------
 hw/char/sclpconsole.c             | 6 ------
 hw/s390x/event-facility.c         | 6 +-----
 hw/s390x/virtio-ccw.c             | 9 ++++-----
 hw/s390x/virtio-ccw.h             | 2 +-
 include/hw/s390x/event-facility.h | 2 +-
 6 files changed, 7 insertions(+), 24 deletions(-)

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2.7.4