diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/i386/acpi-build.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 1c51ab01fc..27f2cc4180 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -494,39 +494,34 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, aml_append(parent_scope, notify_method); } - /* Append PCNT method to notify about events on local and child buses. - * Add this method for root bus only when hotplug is enabled since DSDT - * expects it. + /* + * Append PCNT method to notify about events on local and child buses. */ - if (bsel || pcihp_bridge_en) { - method = aml_method("PCNT", 0, AML_NOTSERIALIZED); - - /* If bus supports hotplug select it and notify about local events */ - if (bsel) { - uint64_t bsel_val = qnum_get_uint(qobject_to(QNum, bsel)); + method = aml_method("PCNT", 0, AML_NOTSERIALIZED); - aml_append(method, aml_store(aml_int(bsel_val), aml_name("BNUM"))); - aml_append(method, aml_call2("DVNT", aml_name("PCIU"), - aml_int(1))); /* Device Check */ - aml_append(method, aml_call2("DVNT", aml_name("PCID"), - aml_int(3))); /* Eject Request */ - } + /* If bus supports hotplug select it and notify about local events */ + if (bsel) { + uint64_t bsel_val = qnum_get_uint(qobject_to(QNum, bsel)); - /* Notify about child bus events in any case */ - if (pcihp_bridge_en) { - QLIST_FOREACH(sec, &bus->child, sibling) { - if (pci_bus_is_root(sec) || - !object_property_find(OBJECT(sec), ACPI_PCIHP_PROP_BSEL)) { - continue; - } + aml_append(method, aml_store(aml_int(bsel_val), aml_name("BNUM"))); + aml_append(method, aml_call2("DVNT", aml_name("PCIU"), + aml_int(1))); /* Device Check */ + aml_append(method, aml_call2("DVNT", aml_name("PCID"), + aml_int(3))); /* Eject Request */ + } - aml_append(method, aml_name("^S%.02X.PCNT", - sec->parent_dev->devfn)); - } + /* Notify about child bus events in any case */ + QLIST_FOREACH(sec, &bus->child, sibling) { + if (pci_bus_is_root(sec) || + !object_property_find(OBJECT(sec), ACPI_PCIHP_PROP_BSEL)) { + continue; } - aml_append(parent_scope, method); + aml_append(method, aml_name("^S%.02X.PCNT", sec->parent_dev->devfn)); } + + aml_append(parent_scope, method); + qobject_unref(bsel); } |