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authorEric Biggers <ebiggers3@gmail.com>2016-02-21 18:53:12 (GMT)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-02-22 12:56:41 (GMT)
commitfd7dc7e6b6521453d1170dc1ed50320024b5ba9d (patch)
tree1f4a7893a84229c0af5f3dabb548dd274e8da281
parent63af4055726a56e04caf354aac58478d2af07ce8 (diff)
downloadlinux-fd7dc7e6b6521453d1170dc1ed50320024b5ba9d.tar.xz
cpufreq: simplify for_each_suitable_policy() macro
Signed-off-by: Eric Biggers <ebiggers3@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/cpufreq/cpufreq.c44
1 files changed, 3 insertions, 41 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index d84aff1..9be6543 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -38,48 +38,10 @@ static inline bool policy_is_inactive(struct cpufreq_policy *policy)
return cpumask_empty(policy->cpus);
}
-static bool suitable_policy(struct cpufreq_policy *policy, bool active)
-{
- return active == !policy_is_inactive(policy);
-}
-
-/* Finds Next Acive/Inactive policy */
-static struct cpufreq_policy *next_policy(struct cpufreq_policy *policy,
- bool active)
-{
- do {
- /* No more policies in the list */
- if (list_is_last(&policy->policy_list, &cpufreq_policy_list))
- return NULL;
-
- policy = list_next_entry(policy, policy_list);
- } while (!suitable_policy(policy, active));
-
- return policy;
-}
-
-static struct cpufreq_policy *first_policy(bool active)
-{
- struct cpufreq_policy *policy;
-
- /* No policies in the list */
- if (list_empty(&cpufreq_policy_list))
- return NULL;
-
- policy = list_first_entry(&cpufreq_policy_list, typeof(*policy),
- policy_list);
-
- if (!suitable_policy(policy, active))
- policy = next_policy(policy, active);
-
- return policy;
-}
-
/* Macros to iterate over CPU policies */
-#define for_each_suitable_policy(__policy, __active) \
- for (__policy = first_policy(__active); \
- __policy; \
- __policy = next_policy(__policy, __active))
+#define for_each_suitable_policy(__policy, __active) \
+ list_for_each_entry(__policy, &cpufreq_policy_list, policy_list) \
+ if ((__active) == !policy_is_inactive(__policy))
#define for_each_active_policy(__policy) \
for_each_suitable_policy(__policy, true)