The QOM types of AcpiGenericInitiator and AcpiGenericPort are declared
by OBJECT_DECLARE_SIMPLE_TYPE, which means they don't need the class!

Therefore, use OBJECT_DEFINE_SIMPLE_TYPE_WITH_INTERFACES to implement
the type, then there's no need for class definition.

Cc: "Michael S. Tsirkin" <m...@redhat.com>
Cc: Igor Mammedov <imamm...@redhat.com>
Cc: Ani Sinha <anisi...@redhat.com>
Signed-off-by: Zhao Liu <zhao1....@intel.com>
---
 hw/acpi/pci.c | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/hw/acpi/pci.c b/hw/acpi/pci.c
index d511a8502954..acac6744525e 100644
--- a/hw/acpi/pci.c
+++ b/hw/acpi/pci.c
@@ -75,16 +75,12 @@ typedef struct AcpiGenericInitiator {
     uint32_t node;
 } AcpiGenericInitiator;
 
-typedef struct AcpiGenericInitiatorClass {
-    ObjectClass parent_class;
-} AcpiGenericInitiatorClass;
-
 #define TYPE_ACPI_GENERIC_INITIATOR "acpi-generic-initiator"
 
-OBJECT_DEFINE_TYPE_WITH_INTERFACES(AcpiGenericInitiator, 
acpi_generic_initiator,
-                   ACPI_GENERIC_INITIATOR, OBJECT,
-                   { TYPE_USER_CREATABLE },
-                   { NULL })
+OBJECT_DEFINE_SIMPLE_TYPE_WITH_INTERFACES(AcpiGenericInitiator, 
acpi_generic_initiator,
+                                          ACPI_GENERIC_INITIATOR, OBJECT,
+                                          { TYPE_USER_CREATABLE },
+                                          { NULL })
 
 OBJECT_DECLARE_SIMPLE_TYPE(AcpiGenericInitiator, ACPI_GENERIC_INITIATOR)
 
@@ -191,16 +187,12 @@ typedef struct AcpiGenericPort {
     uint32_t node;
 } AcpiGenericPort;
 
-typedef struct AcpiGenericPortClass {
-    ObjectClass parent_class;
-} AcpiGenericPortClass;
-
 #define TYPE_ACPI_GENERIC_PORT "acpi-generic-port"
 
-OBJECT_DEFINE_TYPE_WITH_INTERFACES(AcpiGenericPort, acpi_generic_port,
-                   ACPI_GENERIC_PORT, OBJECT,
-                   { TYPE_USER_CREATABLE },
-                   { NULL })
+OBJECT_DEFINE_SIMPLE_TYPE_WITH_INTERFACES(AcpiGenericPort, acpi_generic_port,
+                                          ACPI_GENERIC_PORT, OBJECT,
+                                          { TYPE_USER_CREATABLE },
+                                          { NULL })
 
 OBJECT_DECLARE_SIMPLE_TYPE(AcpiGenericPort, ACPI_GENERIC_PORT)
 
-- 
2.34.1


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