1 files changed, 25 insertions, 32 deletions

diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c
index c4d4643b6ca6..7f251daf03ce 100644
--- a/drivers/cpufreq/freq_table.c
+++ b/drivers/cpufreq/freq_table.c
@@ -14,7 +14,7 @@
  *                     FREQUENCY TABLE HELPERS                       *
  *********************************************************************/
 
-bool policy_has_boost_freq(struct cpufreq_policy *policy)
+static bool policy_has_boost_freq(struct cpufreq_policy *policy)
 {
 	struct cpufreq_frequency_table *pos, *table = policy->freq_table;
 
@@ -27,24 +27,22 @@ bool policy_has_boost_freq(struct cpufreq_policy *policy)
 
 	return false;
 }
-EXPORT_SYMBOL_GPL(policy_has_boost_freq);
 
-int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
-				    struct cpufreq_frequency_table *table)
+int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy)
 {
-	struct cpufreq_frequency_table *pos;
+	struct cpufreq_frequency_table *pos, *table = policy->freq_table;
 	unsigned int min_freq = ~0;
 	unsigned int max_freq = 0;
-	unsigned int freq;
+	unsigned int freq, i;
 
-	cpufreq_for_each_valid_entry(pos, table) {
+	cpufreq_for_each_valid_entry_idx(pos, table, i) {
 		freq = pos->frequency;
 
-		if (!cpufreq_boost_enabled()
+		if ((!cpufreq_boost_enabled() || !policy->boost_enabled)
 		    && (pos->flags & CPUFREQ_BOOST_FREQ))
 			continue;
 
-		pr_debug("table entry %u: %u kHz\n", (int)(pos - table), freq);
+		pr_debug("table entry %u: %u kHz\n", i, freq);
 		if (freq < min_freq)
 			min_freq = freq;
 		if (freq > max_freq)
@@ -66,11 +64,10 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
 		return 0;
 }
 
-int cpufreq_frequency_table_verify(struct cpufreq_policy_data *policy,
-				   struct cpufreq_frequency_table *table)
+int cpufreq_frequency_table_verify(struct cpufreq_policy_data *policy)
 {
-	struct cpufreq_frequency_table *pos;
-	unsigned int freq, next_larger = ~0;
+	struct cpufreq_frequency_table *pos, *table = policy->freq_table;
+	unsigned int freq, prev_smaller = 0;
 	bool found = false;
 
 	pr_debug("request for verification of policy (%u - %u kHz) for cpu %u\n",
@@ -86,12 +83,12 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy_data *policy,
 			break;
 		}
 
-		if ((next_larger > freq) && (freq > policy->max))
-			next_larger = freq;
+		if ((prev_smaller < freq) && (freq <= policy->max))
+			prev_smaller = freq;
 	}
 
 	if (!found) {
-		policy->max = next_larger;
+		policy->max = prev_smaller;
 		cpufreq_verify_within_cpu_limits(policy);
 	}
 
@@ -111,13 +108,13 @@ int cpufreq_generic_frequency_table_verify(struct cpufreq_policy_data *policy)
 	if (!policy->freq_table)
 		return -ENODEV;
 
-	return cpufreq_frequency_table_verify(policy, policy->freq_table);
+	return cpufreq_frequency_table_verify(policy);
 }
 EXPORT_SYMBOL_GPL(cpufreq_generic_frequency_table_verify);
 
 int cpufreq_table_index_unsorted(struct cpufreq_policy *policy,
-				 unsigned int target_freq,
-				 unsigned int relation)
+				 unsigned int target_freq, unsigned int min,
+				 unsigned int max, unsigned int relation)
 {
 	struct cpufreq_frequency_table optimal = {
 		.driver_data = ~0,
@@ -129,7 +126,7 @@ int cpufreq_table_index_unsorted(struct cpufreq_policy *policy,
 	};
 	struct cpufreq_frequency_table *pos;
 	struct cpufreq_frequency_table *table = policy->freq_table;
-	unsigned int freq, diff, i = 0;
+	unsigned int freq, diff, i;
 	int index;
 
 	pr_debug("request for target %u kHz (relation: %u) for cpu %u\n",
@@ -148,7 +145,7 @@ int cpufreq_table_index_unsorted(struct cpufreq_policy *policy,
 	cpufreq_for_each_valid_entry_idx(pos, table, i) {
 		freq = pos->frequency;
 
-		if ((freq < policy->min) || (freq > policy->max))
+		if (freq < min || freq > max)
 			continue;
 		if (freq == target_freq) {
 			optimal.driver_data = i;
@@ -194,7 +191,7 @@ int cpufreq_table_index_unsorted(struct cpufreq_policy *policy,
 	}
 	if (optimal.driver_data > i) {
 		if (suboptimal.driver_data > i) {
-			WARN(1, "Invalid frequency table: %d\n", policy->cpu);
+			WARN(1, "Invalid frequency table: %u\n", policy->cpu);
 			return 0;
 		}
 
@@ -254,7 +251,7 @@ static ssize_t show_available_freqs(struct cpufreq_policy *policy, char *buf,
 		if (show_boost ^ (pos->flags & CPUFREQ_BOOST_FREQ))
 			continue;
 
-		count += sprintf(&buf[count], "%d ", pos->frequency);
+		count += sprintf(&buf[count], "%u ", pos->frequency);
 	}
 	count += sprintf(&buf[count], "\n");
 
@@ -276,7 +273,6 @@ static ssize_t scaling_available_frequencies_show(struct cpufreq_policy *policy,
 	return show_available_freqs(policy, buf, false);
 }
 cpufreq_attr_available_freq(scaling_available);
-EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs);
 
 /*
  * scaling_boost_frequencies_show - show available boost frequencies for
@@ -288,13 +284,6 @@ static ssize_t scaling_boost_frequencies_show(struct cpufreq_policy *policy,
 	return show_available_freqs(policy, buf, true);
 }
 cpufreq_attr_available_freq(scaling_boost);
-EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_boost_freqs);
-
-struct freq_attr *cpufreq_generic_attr[] = {
-	&cpufreq_freq_attr_scaling_available_freqs,
-	NULL,
-};
-EXPORT_SYMBOL_GPL(cpufreq_generic_attr);
 
 static int set_freq_table_sorted(struct cpufreq_policy *policy)
 {
@@ -363,10 +352,14 @@ int cpufreq_table_validate_and_sort(struct cpufreq_policy *policy)
 		return 0;
 	}
 
-	ret = cpufreq_frequency_table_cpuinfo(policy, policy->freq_table);
+	ret = cpufreq_frequency_table_cpuinfo(policy);
 	if (ret)
 		return ret;
 
+	/* Driver's may have set this field already */
+	if (policy_has_boost_freq(policy))
+		policy->boost_supported = true;
+
 	return set_freq_table_sorted(policy);
 }