[IA64] - Disable tiocx driver on non-SN systems
Disable the tiocx driver on non-SN systems.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index 8716f4d..c1cbcd1 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -14,6 +14,7 @@
#include <linux/proc_fs.h>
#include <linux/device.h>
#include <linux/delay.h>
+#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
@@ -481,6 +482,9 @@
cnodeid_t cnodeid;
int found_tiocx_device = 0;
+ if (!ia64_platform_is("sn2"))
+ return -ENODEV;
+
bus_register(&tiocx_bus_type);
for (cnodeid = 0; cnodeid < MAX_COMPACT_NODES; cnodeid++) {