cpufreq: pxa: 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: Eric Miao <eric.y.miao@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/pxa3xx-cpufreq.c b/drivers/cpufreq/pxa3xx-cpufreq.c
index d26306f..cebbed1 100644
--- a/drivers/cpufreq/pxa3xx-cpufreq.c
+++ b/drivers/cpufreq/pxa3xx-cpufreq.c
@@ -91,7 +91,7 @@
struct pxa3xx_freq_info *freqs, int num)
{
struct cpufreq_frequency_table *table;
- int i;
+ int i, ret;
table = kzalloc((num + 1) * sizeof(*table), GFP_KERNEL);
if (table == NULL)
@@ -108,7 +108,11 @@
pxa3xx_freqs_num = num;
pxa3xx_freqs_table = table;
- 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 void __update_core_freq(struct pxa3xx_freq_info *info)
@@ -229,10 +233,17 @@
return 0;
}
+static int pxa3xx_cpufreq_exit(struct cpufreq_policy *policy)
+{
+ cpufreq_frequency_table_put_attr(policy->cpu);
+ return 0;
+}
+
static struct cpufreq_driver pxa3xx_cpufreq_driver = {
.verify = pxa3xx_cpufreq_verify,
.target = pxa3xx_cpufreq_set,
.init = pxa3xx_cpufreq_init,
+ .exit = pxa3xx_cpufreq_exit,
.get = pxa3xx_cpufreq_get,
.name = "pxa3xx-cpufreq",
};