diff --git a/arch/ppc/mach-mpc85xx/include/mach/clocks.h b/arch/ppc/mach-mpc85xx/include/mach/clocks.h
index 94771682e..2ab367b2e 100644
--- a/arch/ppc/mach-mpc85xx/include/mach/clocks.h
+++ b/arch/ppc/mach-mpc85xx/include/mach/clocks.h
@@ -10,8 +10,6 @@ struct sys_info {
 	unsigned long freqLocalBus;
 };
 
-#define NSEC_PER_SEC	1000000000L
-
 unsigned long fsl_get_bus_freq(ulong dummy);
 unsigned long fsl_get_timebase_clock(void);
 void fsl_get_sys_info(struct sys_info *sysInfo);
diff --git a/include/clock.h b/include/clock.h
index 123f8747a..c01a8d00a 100644
--- a/include/clock.h
+++ b/include/clock.h
@@ -3,6 +3,8 @@
 #ifndef CLOCK_H
 #define CLOCK_H
 
+#include <linux/time.h>
+
 #define CLOCKSOURCE_MASK(bits) (uint64_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
 
 struct clocksource {
diff --git a/include/linux/time.h b/include/linux/time.h
index 7d9f0e3d6..3942e82e1 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -3,4 +3,6 @@
 
 #include <linux/types.h>
 
+#define NSEC_PER_SEC	1000000000L
+
 #endif