diff --git a/[refs] b/[refs]
index bf764c8f7a28..c2fe6b78661b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 17eb7a5cfa98627e5b34e9a9a33b4f04f1c8832d
+refs/heads/master: 545b288dcbdea58a2ce2afba5f6a8302d31ac459
diff --git a/trunk/arch/s390/include/asm/timex.h b/trunk/arch/s390/include/asm/timex.h
index 335afc057d3e..88829a40af6f 100644
--- a/trunk/arch/s390/include/asm/timex.h
+++ b/trunk/arch/s390/include/asm/timex.h
@@ -59,12 +59,14 @@ static inline unsigned long long local_tick_disable(void)
 
 	old = S390_lowcore.clock_comparator;
 	S390_lowcore.clock_comparator = -1ULL;
+	set_clock_comparator(S390_lowcore.clock_comparator);
 	return old;
 }
 
 static inline void local_tick_enable(unsigned long long comp)
 {
 	S390_lowcore.clock_comparator = comp;
+	set_clock_comparator(S390_lowcore.clock_comparator);
 }
 
 #define CLOCK_TICK_RATE	1193180 /* Underlying HZ */
diff --git a/trunk/arch/s390/lib/delay.c b/trunk/arch/s390/lib/delay.c
index 7c37ec359ec2..0f53110e1d09 100644
--- a/trunk/arch/s390/lib/delay.c
+++ b/trunk/arch/s390/lib/delay.c
@@ -47,7 +47,6 @@ static void __udelay_disabled(unsigned long long usecs)
 	lockdep_on();
 	__ctl_load(cr0_saved, 0, 0);
 	local_tick_enable(clock_saved);
-	set_clock_comparator(S390_lowcore.clock_comparator);
 }
 
 static void __udelay_enabled(unsigned long long usecs)
@@ -70,7 +69,6 @@ static void __udelay_enabled(unsigned long long usecs)
 		if (clock_saved)
 			local_tick_enable(clock_saved);
 	} while (get_clock() < end);
-	set_clock_comparator(S390_lowcore.clock_comparator);
 }
 
 /*