Index: sys/powerpc/include/intr_machdep.h
===================================================================
--- sys/powerpc/include/intr_machdep.h
+++ sys/powerpc/include/intr_machdep.h
@@ -51,7 +51,7 @@
 u_int	powerpc_register_pic(device_t, uint32_t, u_int, u_int, u_int);
 u_int	powerpc_get_irq(uint32_t, u_int);
 
-void	powerpc_dispatch_intr(u_int, struct trapframe *);
+u_long	powerpc_dispatch_intr(u_int, struct trapframe *);
 int	powerpc_enable_intr(void);
 int	powerpc_setup_intr(const char *, u_int, driver_filter_t, driver_intr_t,
 	    void *, enum intr_type, void **, int);
Index: sys/powerpc/powerpc/intr_machdep.c
===================================================================
--- sys/powerpc/powerpc/intr_machdep.c
+++ sys/powerpc/powerpc/intr_machdep.c
@@ -631,7 +631,7 @@
 	return (0);
 }
 
-void
+u_long
 powerpc_dispatch_intr(u_int vector, struct trapframe *tf)
 {
 	struct powerpc_intr *i;
@@ -656,7 +656,7 @@
 	if (intr_event_handle(ie, tf) != 0) {
 		goto stray;
 	}
-	return;
+	return (0);
 
 stray:
 	stray_count++;
@@ -669,6 +669,7 @@
 	}
 	if (i != NULL)
 		PIC_MASK(i->pic, i->intline, i->priv);
+	return (stray_count);
 }
 
 void