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-rw-r--r--drivers/cpufreq/cpufreq.c20
-rw-r--r--include/linux/cpufreq.h5
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 0a5bea9e358..987a165ede2 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1199,6 +1199,26 @@ unsigned int cpufreq_quick_get(unsigned int cpu)
}
EXPORT_SYMBOL(cpufreq_quick_get);
+/**
+ * cpufreq_quick_get_max - get the max reported CPU frequency for this CPU
+ * @cpu: CPU number
+ *
+ * Just return the max possible frequency for a given CPU.
+ */
+unsigned int cpufreq_quick_get_max(unsigned int cpu)
+{
+ struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+ unsigned int ret_freq = 0;
+
+ if (policy) {
+ ret_freq = policy->max;
+ cpufreq_cpu_put(policy);
+ }
+
+ return ret_freq;
+}
+EXPORT_SYMBOL(cpufreq_quick_get_max);
+
static unsigned int __cpufreq_get(unsigned int cpu)
{
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 11be48e0d16..6216115c778 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -324,11 +324,16 @@ static inline unsigned int cpufreq_get(unsigned int cpu)
/* query the last known CPU freq (in kHz). If zero, cpufreq couldn't detect it */
#ifdef CONFIG_CPU_FREQ
unsigned int cpufreq_quick_get(unsigned int cpu);
+unsigned int cpufreq_quick_get_max(unsigned int cpu);
#else
static inline unsigned int cpufreq_quick_get(unsigned int cpu)
{
return 0;
}
+static inline unsigned int cpufreq_quick_get_max(unsigned int cpu)
+{
+ return 0;
+}
#endif