From: Miguel Luis <miguel.luis@oracle.com>

This is for reference that qmp_system_sleep relies on wakeup support delegated
by qemu_wakeup_suspend_enabled() hence the need for calling
qemu_register_wakeup_support().

Signed-off-by: Miguel Luis <miguel.luis@oracle.com>
---
 hw/arm/virt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 8b9a328360..6407734105 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2309,6 +2309,7 @@ static void machvirt_init(MachineState *machine)
 
      /* connect sleep request */
      vms->sleep_notifier.notify = virt_sleep_req;
+     qemu_register_wakeup_support();
 
      /* connect powerdown request */
      vms->powerdown_notifier.notify = virt_powerdown_req;
-- 
2.34.3