cpufreq: sparc: call cpufreq_frequency_table_get_attr()

This exposes frequency table of driver to cpufreq core and is required for core
to guess what the index for a target frequency is, when it calls
cpufreq_frequency_table_target(). And so this driver needs to expose it.

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/cpufreq/sparc-us2e-cpufreq.c

@@ -307,6 +307,7 @@ static int __init us2e_freq_cpu_init(struct cpufreq_policy *policy)
 	unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
 	struct cpufreq_frequency_table *table =
 		&us2e_freq_table[cpu].table[0];
+	int ret;
 
 	table[0].driver_data = 0;
 	table[0].frequency = clock_tick / 1;
@@ -324,13 +325,18 @@ static int __init us2e_freq_cpu_init(struct cpufreq_policy *policy)
 	policy->cpuinfo.transition_latency = 0;
 	policy->cur = clock_tick;
 
-	return cpufreq_frequency_table_cpuinfo(policy, table);
+	ret = cpufreq_frequency_table_cpuinfo(policy, table);
+	if (!ret)
+		cpufreq_frequency_table_get_attr(table, policy->cpu);
+	return ret;
 }
 
 static int us2e_freq_cpu_exit(struct cpufreq_policy *policy)
 {
-	if (cpufreq_us2e_driver)
+	if (cpufreq_us2e_driver) {
+		cpufreq_frequency_table_put_attr(policy->cpu);
 		us2e_set_cpu_divider_index(policy, 0);
+	}
 
 	return 0;
 }

drivers/cpufreq/sparc-us3-cpufreq.c

@@ -168,6 +168,7 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
 	unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
 	struct cpufreq_frequency_table *table =
 		&us3_freq_table[cpu].table[0];
+	int ret;
 
 	table[0].driver_data = 0;
 	table[0].frequency = clock_tick / 1;
@@ -181,13 +182,19 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
 	policy->cpuinfo.transition_latency = 0;
 	policy->cur = clock_tick;
 
-	return cpufreq_frequency_table_cpuinfo(policy, table);
+	ret = cpufreq_frequency_table_cpuinfo(policy, table);
+	if (!ret)
+		cpufreq_frequency_table_get_attr(table, policy->cpu);
+
+	return ret;
 }
 
 static int us3_freq_cpu_exit(struct cpufreq_policy *policy)
 {
-	if (cpufreq_us3_driver)
+	if (cpufreq_us3_driver) {
+		cpufreq_frequency_table_put_attr(policy->cpu);
 		us3_set_cpu_divider_index(policy, 0);
+	}
 
 	return 0;
 }