1 files changed, 6 insertions, 4 deletions
diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index 38522cf0ba..eb8a7f032d 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -25,6 +25,7 @@
 #include "migration/vmstate.h"
 #include "qemu/module.h"
 #include "sysemu/dma.h"
+#include "qom/object.h"
 
 enum {
     AC97_Reset                     = 0x00,
@@ -126,8 +127,9 @@ enum {
 #define MUTE_SHIFT 15
 
 #define TYPE_AC97 "AC97"
-#define AC97(obj) \
-    OBJECT_CHECK(AC97LinkState, (obj), TYPE_AC97)
+typedef struct AC97LinkState AC97LinkState;
+DECLARE_INSTANCE_CHECKER(AC97LinkState, AC97,
+                         TYPE_AC97)
 
 #define REC_MASK 7
 enum {
@@ -158,7 +160,7 @@ typedef struct AC97BusMasterRegs {
     BD bd;
 } AC97BusMasterRegs;
 
-typedef struct AC97LinkState {
+struct AC97LinkState {
     PCIDevice dev;
     QEMUSoundCard card;
     uint32_t glob_cnt;
@@ -175,7 +177,7 @@ typedef struct AC97LinkState {
     int bup_flag;
     MemoryRegion io_nam;
     MemoryRegion io_nabm;
-} AC97LinkState;
+};
 
 enum {
     BUP_SET = 1,