1 files changed, 6 insertions, 4 deletions
diff --git a/include/hw/riscv/opentitan.h b/include/hw/riscv/opentitan.h
index 835a80f896..8c15b6325f 100644
--- a/include/hw/riscv/opentitan.h
+++ b/include/hw/riscv/opentitan.h
@@ -22,12 +22,14 @@
 #include "hw/riscv/riscv_hart.h"
 #include "hw/intc/ibex_plic.h"
 #include "hw/char/ibex_uart.h"
+#include "qom/object.h"
 
 #define TYPE_RISCV_IBEX_SOC "riscv.lowrisc.ibex.soc"
-#define RISCV_IBEX_SOC(obj) \
-    OBJECT_CHECK(LowRISCIbexSoCState, (obj), TYPE_RISCV_IBEX_SOC)
+typedef struct LowRISCIbexSoCState LowRISCIbexSoCState;
+DECLARE_INSTANCE_CHECKER(LowRISCIbexSoCState, RISCV_IBEX_SOC,
+                         TYPE_RISCV_IBEX_SOC)
 
-typedef struct LowRISCIbexSoCState {
+struct LowRISCIbexSoCState {
     /*< private >*/
     SysBusDevice parent_obj;
 
@@ -38,7 +40,7 @@ typedef struct LowRISCIbexSoCState {
 
     MemoryRegion flash_mem;
     MemoryRegion rom;
-} LowRISCIbexSoCState;
+};
 
 typedef struct OpenTitanState {
     /*< private >*/