1 files changed, 6 insertions, 3 deletions
diff --git a/include/hw/misc/avr_power.h b/include/hw/misc/avr_power.h
index e08e44f629..938ab3e21b 100644
--- a/include/hw/misc/avr_power.h
+++ b/include/hw/misc/avr_power.h
@@ -27,12 +27,15 @@
 
 #include "hw/sysbus.h"
 #include "hw/hw.h"
+#include "qom/object.h"
 
 
 #define TYPE_AVR_MASK "avr-power"
-#define AVR_MASK(obj) OBJECT_CHECK(AVRMaskState, (obj), TYPE_AVR_MASK)
+typedef struct AVRMaskState AVRMaskState;
+DECLARE_INSTANCE_CHECKER(AVRMaskState, AVR_MASK,
+                         TYPE_AVR_MASK)
 
-typedef struct {
+struct AVRMaskState {
     /* <private> */
     SysBusDevice parent_obj;
 
@@ -41,6 +44,6 @@ typedef struct {
 
     uint8_t val;
     qemu_irq irq[8];
-} AVRMaskState;
+};
 
 #endif /* HW_MISC_AVR_POWER_H */