diff --git a/sys/dev/mpt/mpt.h b/sys/dev/mpt/mpt.h
index b3f7d61a526f..c0b0571f0015 100644
--- a/sys/dev/mpt/mpt.h
+++ b/sys/dev/mpt/mpt.h
@@ -270,18 +270,30 @@ void mpt_map_rquest(void *, bus_dma_segment_t *, int, int);
 #define	mpt_setup_intr	bus_setup_intr
 #endif
 
+/* **************************** NewBUS CAM Support ****************************/
+#if __FreeBSD_version < 700049
+#define mpt_xpt_bus_register(sim, parent, bus)	\
+	xpt_bus_register(sim, bus)
+#else
+#define mpt_xpt_bus_register	xpt_bus_register
+#endif
+
 /**************************** Kernel Thread Support ***************************/
-#if __FreeBSD_version > 500005
 #if __FreeBSD_version > 800001
 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
 	kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
-#else
+#define	mpt_kthread_exit(status)	\
+	kproc_exit(status)
+#elif __FreeBSD_version > 500005
 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
 	kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
-#endif
+#define	mpt_kthread_exit(status)	\
+	kthread_exit(status)
 #else
 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
 	kthread_create(func, farg, proc_ptr, fmtstr, arg)
+#define	mpt_kthread_exit(status)	\
+	kthread_exit(status)
 #endif
 
 /****************************** Timer Facilities ******************************/
diff --git a/sys/dev/mpt/mpt_cam.c b/sys/dev/mpt/mpt_cam.c
index 1e72afbd6ade..eab2083ebc7f 100644
--- a/sys/dev/mpt/mpt_cam.c
+++ b/sys/dev/mpt/mpt_cam.c
@@ -346,7 +346,7 @@ mpt_cam_attach(struct mpt_softc *mpt)
 	 * Register exactly this bus.
 	 */
 	MPT_LOCK(mpt);
-	if (xpt_bus_register(mpt->sim, mpt->dev, 0) != CAM_SUCCESS) {
+	if (mpt_xpt_bus_register(mpt->sim, mpt->dev, 0) != CAM_SUCCESS) {
 		mpt_prt(mpt, "Bus registration Failed!\n");
 		error = ENOMEM;
 		MPT_UNLOCK(mpt);
@@ -385,7 +385,8 @@ mpt_cam_attach(struct mpt_softc *mpt)
 	 * Register this bus.
 	 */
 	MPT_LOCK(mpt);
-	if (xpt_bus_register(mpt->phydisk_sim, mpt->dev, 1) != CAM_SUCCESS) {
+	if (mpt_xpt_bus_register(mpt->phydisk_sim, mpt->dev, 1) !=
+	    CAM_SUCCESS) {
 		mpt_prt(mpt, "Physical Disk Bus registration Failed!\n");
 		error = ENOMEM;
 		MPT_UNLOCK(mpt);
@@ -3988,7 +3989,7 @@ mpt_recovery_thread(void *arg)
 	mpt->recovery_thread = NULL;
 	wakeup(&mpt->recovery_thread);
 	MPT_UNLOCK(mpt);
-	kproc_exit(0);
+	mpt_kthread_exit(0);
 }
 
 static int
diff --git a/sys/dev/mpt/mpt_raid.c b/sys/dev/mpt/mpt_raid.c
index ab8512261ecd..2b7c129064ef 100644
--- a/sys/dev/mpt/mpt_raid.c
+++ b/sys/dev/mpt/mpt_raid.c
@@ -722,7 +722,7 @@ mpt_raid_thread(void *arg)
 	mpt->raid_thread = NULL;
 	wakeup(&mpt->raid_thread);
 	MPT_UNLOCK(mpt);
-	kproc_exit(0);
+	mpt_kthread_exit(0);
 }
 
 #if 0