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>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/cpufreq/sparc-us2e-cpufreq.c b/drivers/cpufreq/sparc-us2e-cpufreq.c
index cf5bc2ca16fa..63b3eae5ffdc 100644
--- a/drivers/cpufreq/sparc-us2e-cpufreq.c
+++ b/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;
 }