diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index cc562e4c2f3269828f314d92af1b3f91248cb466..02a634faedbeb23007488513c4a51d98150edd9f 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -23,6 +23,7 @@
 
 #undef DEBUG
 
+#include <linux/jiffies.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/string.h>
@@ -586,7 +587,7 @@ static inline struct device_node *xlate_iomm_address(
 		static unsigned long last_jiffies;
 		static int num_printed;
 
-		if ((jiffies - last_jiffies) > 60 * HZ) {
+		if (time_after(jiffies, last_jiffies + 60 * HZ)) {
 			last_jiffies = jiffies;
 			num_printed = 0;
 		}