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authorSaravana Kannan <skannan@codeaurora.org>2014-02-27 17:58:36 -0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-03-02 00:55:50 +0100
commitad4c2302c20a6906eb2f10defdb0e982bab5eb0b (patch)
treea48dfcd0e1689af3de66ac846b9e1259fb082ec0 /drivers/cpufreq/cpufreq_stats.c
parent0b7528d963e7dda51dd07fa7b1f14a9bf03b1cee (diff)
downloadlinux-ad4c2302c20a6906eb2f10defdb0e982bab5eb0b.tar.bz2
cpufreq: stats: Refactor common code into __cpufreq_stats_create_table()
cpufreq_frequency_get_table() is called from all callers of __cpufreq_stats_create_table(). So, move it inside. Suggested-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Saravana Kannan <skannan@codeaurora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/cpufreq_stats.c')
-rw-r--r--drivers/cpufreq/cpufreq_stats.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index c52b44071100..eb214d83ad6b 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -180,13 +180,18 @@ static void cpufreq_stats_free_table(unsigned int cpu)
cpufreq_cpu_put(policy);
}
-static int __cpufreq_stats_create_table(struct cpufreq_policy *policy,
- struct cpufreq_frequency_table *table)
+static int __cpufreq_stats_create_table(struct cpufreq_policy *policy)
{
unsigned int i, j, count = 0, ret = 0;
struct cpufreq_stats *stat;
unsigned int alloc_size;
unsigned int cpu = policy->cpu;
+ struct cpufreq_frequency_table *table;
+
+ table = cpufreq_frequency_get_table(cpu);
+ if (unlikely(!table))
+ return 0;
+
if (per_cpu(cpufreq_stats_table, cpu))
return -EBUSY;
stat = kzalloc(sizeof(*stat), GFP_KERNEL);
@@ -248,7 +253,6 @@ error_out:
static void cpufreq_stats_create_table(unsigned int cpu)
{
struct cpufreq_policy *policy;
- struct cpufreq_frequency_table *table;
/*
* "likely(!policy)" because normally cpufreq_stats will be registered
@@ -258,9 +262,7 @@ static void cpufreq_stats_create_table(unsigned int cpu)
if (likely(!policy))
return;
- table = cpufreq_frequency_get_table(policy->cpu);
- if (likely(table))
- __cpufreq_stats_create_table(policy, table);
+ __cpufreq_stats_create_table(policy);
cpufreq_cpu_put(policy);
}
@@ -283,20 +285,14 @@ static int cpufreq_stat_notifier_policy(struct notifier_block *nb,
{
int ret = 0;
struct cpufreq_policy *policy = data;
- struct cpufreq_frequency_table *table;
- unsigned int cpu = policy->cpu;
if (val == CPUFREQ_UPDATE_POLICY_CPU) {
cpufreq_stats_update_policy_cpu(policy);
return 0;
}
- table = cpufreq_frequency_get_table(cpu);
- if (!table)
- return 0;
-
if (val == CPUFREQ_CREATE_POLICY)
- ret = __cpufreq_stats_create_table(policy, table);
+ ret = __cpufreq_stats_create_table(policy);
else if (val == CPUFREQ_REMOVE_POLICY)
__cpufreq_stats_free_table(policy);