From: Andrew Morton <[EMAIL PROTECTED]>
Date: Wed, 25 Jul 2007 16:14:40 -0700
> > Steps to reproduce:
> > 1. Load the us3_cpufreq kernel module
> > 2. Set the governor to powersave
What does the kernel print in the logs during these attempted
cpufreq changes with the following debugging patch applied?
diff --git a/arch/sparc64/kernel/us3_cpufreq.c
b/arch/sparc64/kernel/us3_cpufreq.c
index 47e3aca..521d865 100644
--- a/arch/sparc64/kernel/us3_cpufreq.c
+++ b/arch/sparc64/kernel/us3_cpufreq.c
@@ -141,6 +141,10 @@ static void us3_set_cpu_divider_index(unsigned int cpu,
unsigned int index)
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
set_cpus_allowed(current, cpus_allowed);
+#if 1
+ printk(KERN_ERR "US3: Wrote %lx (index %x) to SAFARI_CFG on cpu %u\n",
+ reg, index, cpu);
+#endif
}
static int us3_freq_target(struct cpufreq_policy *policy,
-
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