Index: sys/arm/mv/mpic.c
===================================================================
--- sys/arm/mv/mpic.c
+++ sys/arm/mv/mpic.c
@@ -51,6 +51,7 @@
 
 #include <dev/ofw/ofw_bus.h>
 #include <dev/ofw/ofw_bus_subr.h>
+#include <dev/ofw/ofw_subr.h>
 #include <dev/fdt/fdt_common.h>
 
 #ifdef DEBUG
@@ -331,29 +332,21 @@
 int
 mv_msi_data(int irq, uint64_t *addr, uint32_t *data)
 {
-	u_long phys, base, size;
+	u_long phys, size;
 	phandle_t node;
 	int error;
 
 	node = ofw_bus_get_node(mv_mpic_sc->sc_dev);
 
 	/* Get physical addres of register space */
-	error = fdt_get_range(OF_parent(node), 0, &phys, &size);
+	error = ofw_reg_to_paddr(node, 0, &phys, &size, NULL);
 	if (error) {
 		printf("%s: Cannot get register physical address, err:%d",
 		    __func__, error);
 		return (error);
 	}
 
-	/* Get offset of MPIC register space */
-	error = fdt_regsize(node, &base, &size);
-	if (error) {
-		printf("%s: Cannot get MPIC register offset, err:%d",
-		    __func__, error);
-		return (error);
-	}
-
-	*addr = phys + base + MPIC_SOFT_INT;
+	*addr = phys + MPIC_SOFT_INT;
 	*data = MPIC_SOFT_INT_DRBL1 | irq;
 
 	return (0);