diff --git a/arch/powerpc/kernel/smp-tbsync.c b/arch/powerpc/kernel/smp-tbsync.c
index bc892e69..a5e5452 100644
--- a/arch/powerpc/kernel/smp-tbsync.c
+++ b/arch/powerpc/kernel/smp-tbsync.c
@@ -113,7 +113,7 @@
 {
 	int i, score, score2, old, min=0, max=5000, offset=1000;
 
-	printk("Synchronizing timebase\n");
+	pr_debug("Software timebase sync\n");
 
 	/* if this fails then this kernel won't work anyway... */
 	tbsync = kzalloc( sizeof(*tbsync), GFP_KERNEL );
@@ -123,13 +123,13 @@
 	while (!tbsync->ack)
 		barrier();
 
-	printk("Got ack\n");
+	pr_debug("Got ack\n");
 
 	/* binary search */
 	for (old = -1; old != offset ; offset = (min+max) / 2) {
 		score = start_contest(kSetAndTest, offset, NUM_ITER);
 
-		printk("score %d, offset %d\n", score, offset );
+		pr_debug("score %d, offset %d\n", score, offset );
 
 		if( score > 0 )
 			max = offset;
@@ -140,8 +140,8 @@
 	score = start_contest(kSetAndTest, min, NUM_ITER);
 	score2 = start_contest(kSetAndTest, max, NUM_ITER);
 
-	printk("Min %d (score %d), Max %d (score %d)\n",
-	       min, score, max, score2);
+	pr_debug("Min %d (score %d), Max %d (score %d)\n",
+		 min, score, max, score2);
 	score = abs(score);
 	score2 = abs(score2);
 	offset = (score < score2) ? min : max;
@@ -155,7 +155,7 @@
 		if (score2 <= score || score2 < 20)
 			break;
 	}
-	printk("Final offset: %d (%d/%d)\n", offset, score2, NUM_ITER );
+	pr_debug("Final offset: %d (%d/%d)\n", offset, score2, NUM_ITER );
 
 	/* exiting */
 	tbsync->cmd = kExit;