---

yaml --- r: 62232 b: refs/heads/master c: 64bafa9 h: refs/heads/master v: v3
git-mirror · Jul 20, 2007 · c747031 · c747031
1 parent 5dc883d
commit c747031
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 74889e41d9a1f80928130a02af9b010673bc5ba7
+refs/heads/master: 64bafa9db7e92d5a46402613188b71800924ca1f
diff --git a/trunk/arch/powerpc/platforms/cell/cbe_cpufreq.c b/trunk/arch/powerpc/platforms/cell/cbe_cpufreq.c
@@ -24,6 +24,7 @@
 #include <asm/machdep.h>
 #include <asm/of_platform.h>
 #include <asm/prom.h>
+#include "cbe_regs.h"
 #include "cbe_cpufreq.h"
 
 static DEFINE_MUTEX(cbe_switch_mutex);
@@ -78,6 +79,15 @@ static int cbe_cpufreq_cpu_init(struct cpufreq_policy *policy)
 
 	pr_debug("init cpufreq on CPU %d\n", policy->cpu);
 
+	/*
+	 * Let's check we can actually get to the CELL regs
+	 */
+	if (!cbe_get_cpu_pmd_regs(policy->cpu) ||
+	    !cbe_get_cpu_mic_tm_regs(policy->cpu)) {
+		pr_info("invalid CBE regs pointers for cpufreq\n");
+		return -EINVAL;
+	}
+
 	max_freqp = of_get_property(cpu, "clock-frequency", NULL);
 
 	of_node_put(cpu);