X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fmacintosh%2Fwindfarm_cpufreq_clamp.c;h=900aade0619871c683b2a29cf45a3638c925a957;hb=804b908adfcffe3831621acb6c8a776585983d2a;hp=607dbaca69c96fbb2172556bc4a14e5ca72f93d6;hpb=a7c243b544c0e9f6775c2607decaa59d54fb9e11;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c
index 607dbaca69c..900aade0619 100644
--- a/drivers/macintosh/windfarm_cpufreq_clamp.c
+++ b/drivers/macintosh/windfarm_cpufreq_clamp.c
@@ -1,4 +1,3 @@
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
@@ -8,6 +7,8 @@
 #include <linux/wait.h>
 #include <linux/cpufreq.h>
 
+#include <asm/prom.h>
+
 #include "windfarm.h"
 
 #define VERSION "0.3"
@@ -74,6 +75,12 @@ static int __init wf_cpufreq_clamp_init(void)
 {
 	struct wf_control *clamp;
 
+	/* 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;
+
 	clamp = kmalloc(sizeof(struct wf_control), GFP_KERNEL);
 	if (clamp == NULL)
 		return -ENOMEM;