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pcihp: add ACPI PCI hotplug specific is_hotpluggable_bus() callback

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Provide pcihp specific callback to check if bus is hotpluggable
and consolidate its scattered hotplug criteria there.
While at it clean up no longer needed
   qbus_set_hotplug_handler(BUS(bus), NULL)
workarounds since callback makes qbus_is_hotpluggable() return
correct answer even if hotplug_handler is set on bus.

PS:
see ("pci: fix 'hotplugglable' property behavior") for details
why callback was introduced.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230302161543.286002-35-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2023-03-02 17:15:43 +01:00 • committed by Michael S. Tsirkin
parent 6536e427ce
commit f18e29fc90
7 changed files with 39 additions and 24 deletions
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1
hw/isa/lpc_ich9.c
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@ -865,6 +865,7 @@ static void ich9_lpc_class_init(ObjectClass *klass, void *data)
hc->plug = ich9_pm_device_plug_cb;
hc->unplug_request = ich9_pm_device_unplug_request_cb;
hc->unplug = ich9_pm_device_unplug_cb;
hc->is_hotpluggable_bus = ich9_pm_is_hotpluggable_bus;
adevc->ospm_status = ich9_pm_ospm_status;
adevc->send_event = ich9_send_gpe;
adevc->madt_cpu = pc_madt_cpu_entry;