1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c
index bb8d5efe19b..6c0ba04bc57 100644
--- a/drivers/macintosh/windfarm_core.c
+++ b/drivers/macintosh/windfarm_core.c
@@ -35,6 +35,8 @@
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
 
+#include <asm/prom.h>
+
 #include "windfarm.h"
 
 #define VERSION "0.2"
@@ -465,6 +467,11 @@ static int __init windfarm_core_init(void)
 {
         DBG("wf: core loaded\n");
 
+        /* Don't register on old machines that use therm_pm72 for now */
+        if (machine_is_compatible("PowerMac7,2") ||
+            machine_is_compatible("PowerMac7,3") ||
+            machine_is_compatible("RackMac3,1"))
+                return -ENODEV;
         platform_device_register(&wf_platform_device);
         return 0;
 }