cpufreq: blackfin: call cpufreq_frequency_table_put_attr()

Drivers which have an exit path must call cpufreq_frequency_table_put_attr() if
they have called cpufreq_frequency_table_get_attr() in their init path.

This driver was missing this part and is fixed with this patch.

Cc: Steven Miao <realmz6@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/blackfin-cpufreq.c b/drivers/cpufreq/blackfin-cpufreq.c
index 54c0a0c..0e76c09 100644 (file)
--- a/drivers/cpufreq/blackfin-cpufreq.c
+++ b/drivers/cpufreq/blackfin-cpufreq.c
@@ -213,6 +213,13 @@ static int __bfin_cpu_init(struct cpufreq_policy *policy)
        return cpufreq_table_validate_and_show(policy, bfin_freq_table);
 }
 
+static int __bfin_cpu_exit(struct cpufreq_policy *policy)
+{
+
+       cpufreq_frequency_table_put_attr(policy->cpu);
+       return 0;
+}
+
 static struct freq_attr *bfin_freq_attr[] = {
        &cpufreq_freq_attr_scaling_available_freqs,
        NULL,
@@ -223,6 +230,7 @@ static struct cpufreq_driver bfin_driver = {
        .target = bfin_target,
        .get = bfin_getfreq_khz,
        .init = __bfin_cpu_init,
+       .exit = __bfin_cpu_exit,
        .name = "bfin cpufreq",
        .attr = bfin_freq_attr,
 };