diff --git a/hw/misc/imx_ccm.c b/hw/misc/imx_ccm.c
index 816d5e8..63e33a4 100644
--- a/hw/misc/imx_ccm.c
+++ b/hw/misc/imx_ccm.c
@@ -29,8 +29,12 @@
 
 static int imx_ccm_post_load(void *opaque, int version_id);
 
-typedef struct {
-    SysBusDevice busdev;
+#define TYPE_IMX_CCM "imx_ccm"
+#define IMX_CCM(obj) OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM)
+
+typedef struct IMXCCMState {
+    SysBusDevice parent_obj;
+
     MemoryRegion iomem;
 
     uint32_t ccmr;
@@ -108,7 +112,7 @@
 
 uint32_t imx_clock_frequency(DeviceState *dev, IMXClk clock)
 {
-    IMXCCMState *s = container_of(dev, IMXCCMState, busdev.qdev);
+    IMXCCMState *s = IMX_CCM(dev);
 
     switch (clock) {
     case NOCLK:
@@ -178,7 +182,7 @@
 
 static void imx_ccm_reset(DeviceState *dev)
 {
-    IMXCCMState *s = container_of(dev, IMXCCMState, busdev.qdev);
+    IMXCCMState *s = IMX_CCM(dev);
 
     s->ccmr = 0x074b0b7b;
     s->pdr0 = 0xff870b48;
@@ -279,7 +283,7 @@
 
 static int imx_ccm_init(SysBusDevice *dev)
 {
-    IMXCCMState *s = FROM_SYSBUS(typeof(*s), dev);
+    IMXCCMState *s = IMX_CCM(dev);
 
     memory_region_init_io(&s->iomem, OBJECT(dev), &imx_ccm_ops, s,
                           "imx_ccm", 0x1000);
@@ -308,7 +312,7 @@
 }
 
 static const TypeInfo imx_ccm_info = {
-    .name = "imx_ccm",
+    .name = TYPE_IMX_CCM,
     .parent = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(IMXCCMState),
     .class_init = imx_ccm_class_init,