diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 22504afc0d34b48bf10e216c72b33c3be4470598..d9ef176c4e092eebf93acc31dd14dcbd362603c0 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -28,6 +28,7 @@
 #include <linux/sysdev.h>
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/sched.h> /* for spin_unlock_irq() using preempt_count() m68k */
 
 /* XXX - Would like a better way for initializing curr_clocksource */
 extern struct clocksource clocksource_jiffies;