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Subject[PATCH 09/10] cpufreq: Remove CPUFREQ_ADJUST and CPUFREQ_NOTIFY policy notifier events
Date
No driver makes reference to these events now, remove them and the code
related to them.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
drivers/cpufreq/cpufreq.c | 36 +++++++-----------------------------
include/linux/cpufreq.h | 6 ++----
2 files changed, 9 insertions(+), 33 deletions(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 8a7eff2a3771..bd91091ed6b8 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2362,15 +2362,13 @@ EXPORT_SYMBOL(cpufreq_get_policy);
* @policy: Policy object to modify.
* @new_policy: New policy data.
*
- * Pass @new_policy to the cpufreq driver's ->verify() callback, run the
- * installed policy notifiers for it with the CPUFREQ_ADJUST value, pass it to
- * the driver's ->verify() callback again and run the notifiers for it again
- * with the CPUFREQ_NOTIFY value. Next, copy the min and max parameters
- * of @new_policy to @policy and either invoke the driver's ->setpolicy()
- * callback (if present) or carry out a governor update for @policy. That is,
- * run the current governor's ->limits() callback (if the governor field in
- * @new_policy points to the same object as the one in @policy) or replace the
- * governor for @policy with the new one stored in @new_policy.
+ * Pass @new_policy to the cpufreq driver's ->verify() callback. Next, copy the
+ * min and max parameters of @new_policy to @policy and either invoke the
+ * driver's ->setpolicy() callback (if present) or carry out a governor update
+ * for @policy. That is, run the current governor's ->limits() callback (if the
+ * governor field in @new_policy points to the same object as the one in
+ * @policy) or replace the governor for @policy with the new one stored in
+ * @new_policy.
*
* The cpuinfo part of @policy is not updated by this function.
*/
@@ -2398,26 +2396,6 @@ int cpufreq_set_policy(struct cpufreq_policy *policy,
if (ret)
return ret;

- /*
- * The notifier-chain shall be removed once all the users of
- * CPUFREQ_ADJUST are moved to use the QoS framework.
- */
- /* adjust if necessary - all reasons */
- blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
- CPUFREQ_ADJUST, new_policy);
-
- /*
- * verify the cpu speed can be set within this limit, which might be
- * different to the first one
- */
- ret = cpufreq_driver->verify(new_policy);
- if (ret)
- return ret;
-
- /* notification of the new policy */
- blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
- CPUFREQ_NOTIFY, new_policy);
-
policy->min = new_policy->min;
policy->max = new_policy->max;
trace_cpu_frequency_limits(policy);
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index e28c8af697d2..cb1e86a14c7a 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -456,10 +456,8 @@ static inline void cpufreq_resume(void) {}
#define CPUFREQ_POSTCHANGE (1)

/* Policy Notifiers */
-#define CPUFREQ_ADJUST (0)
-#define CPUFREQ_NOTIFY (1)
-#define CPUFREQ_CREATE_POLICY (2)
-#define CPUFREQ_REMOVE_POLICY (3)
+#define CPUFREQ_CREATE_POLICY (0)
+#define CPUFREQ_REMOVE_POLICY (1)

#ifdef CONFIG_CPU_FREQ
int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list);
--
2.21.0.rc0.269.g1a574e7a288b
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