Merge tag 'opp-updates-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk...

[linux-2.6-microblaze.git] / include / linux / cpufreq.h

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 8ff3e79..836d575 100644 (file)
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -263,6 +263,7 @@ static inline bool cpufreq_supports_freq_invariance(void)
        return false;
 }
 static inline void disable_cpufreq(void) { }
+static inline void cpufreq_update_limits(unsigned int cpu) { }
 #endif
 
 #ifdef CONFIG_CPU_FREQ_STAT
@@ -568,9 +569,7 @@ static inline unsigned long cpufreq_scale(unsigned long old, u_int div,
 
 /*
  * The polling frequency depends on the capability of the processor. Default
- * polling frequency is 1000 times the transition latency of the processor. The
- * ondemand governor will work on any processor with transition latency <= 10ms,
- * using appropriate sampling rate.
+ * polling frequency is 1000 times the transition latency of the processor.
  */
 #define LATENCY_MULTIPLIER             (1000)
 
@@ -1001,6 +1000,18 @@ static inline int cpufreq_table_find_index_c(struct cpufreq_policy *policy,
                                                   efficiencies);
 }
 
+static inline bool cpufreq_is_in_limits(struct cpufreq_policy *policy, int idx)
+{
+       unsigned int freq;
+
+       if (idx < 0)
+               return false;
+
+       freq = policy->freq_table[idx].frequency;
+
+       return freq == clamp_val(freq, policy->min, policy->max);
+}
+
 static inline int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
                                                 unsigned int target_freq,
                                                 unsigned int relation)
@@ -1034,7 +1045,8 @@ retry:
                return 0;
        }
 
-       if (idx < 0 && efficiencies) {
+       /* Limit frequency index to honor policy->min/max */
+       if (!cpufreq_is_in_limits(policy, idx) && efficiencies) {
                efficiencies = false;
                goto retry;
        }