X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fmacintosh%2Fwindfarm_cpufreq_clamp.c;h=900aade0619871c683b2a29cf45a3638c925a957;hb=03cfdb86ac66677dbe76accae3f22c374a15b814;hp=607dbaca69c96fbb2172556bc4a14e5ca72f93d6;hpb=cb8a55e4cda017ed37a3ee051365f33a86956312;p=karo-tx-linux.git

diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c
index 607dbaca69c9..900aade06198 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;