diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index c92378121b4ca054fdce184963b14290a7c6bb55..1b05fa688996dc8e94e5e26c0436d5e5ea92ca52 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -675,7 +675,7 @@ static int __init mmtimer_init(void)
 	cnodeid_t node, maxn = -1;
 
 	if (!ia64_platform_is("sn2"))
-		return -1;
+		return 0;
 
 	/*
 	 * Sanity check the cycles/sec variable
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index 43e67d6c29d448a14923ec8c4df45973ac252030..60ea4a3f071396637de3fc4459a10aebc7c9d268 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -820,7 +820,7 @@ static int __init sn_sal_module_init(void)
 	int retval;
 
 	if (!ia64_platform_is("sn2"))
-		return -ENODEV;
+		return 0;
 
 	printk(KERN_INFO "sn_console: Console driver init\n");