diff --git a/[refs] b/[refs]
index 33395f5126dc..08aa25c9ce3c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 48b1dcc5d80921dc0c54f2fabf4fe6e8538cb9b3
+refs/heads/master: 9ad4f924ecd9c067a22a64699bcf4eaad1935a61
diff --git a/trunk/arch/ia64/sn/kernel/sn2/sn2_smp.c b/trunk/arch/ia64/sn/kernel/sn2/sn2_smp.c
index 49b530c39a42..5d54f5f4e926 100644
--- a/trunk/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/trunk/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -492,6 +492,9 @@ static struct proc_dir_entry *proc_sn2_ptc;
 
 static int __init sn2_ptc_init(void)
 {
+	if (!ia64_platform_is("sn2"))
+		return -ENOSYS;
+
 	if (!(proc_sn2_ptc = create_proc_entry(PTC_BASENAME, 0444, NULL))) {
 		printk(KERN_ERR "unable to create %s proc entry", PTC_BASENAME);
 		return -EINVAL;