renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-19 02:34:01 +08:00
Code

cpufreq: Remove CPUFREQ_ADJUST and CPUFREQ_NOTIFY policy notifier events

Browse Source 
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>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2019-07-23 11:44:09 +05:30 committed by Rafael J. Wysocki
parent d15ce41273
commit df0eea4488
2 changed files with 9 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/cpufreq/cpufreq.c
View File

@ -2360,15 +2360,13 @@ EXPORT_SYMBOL(cpufreq_get_policy);
* @policy: Policy object to modify. * @policy: Policy object to modify.
* @new_policy: New policy data. * @new_policy: New policy data.
* *
* Pass @new_policy to the cpufreq driver's ->verify() callback, run the * Pass @new_policy to the cpufreq driver's ->verify() callback. Next, copy the
* installed policy notifiers for it with the CPUFREQ_ADJUST value, pass it to * min and max parameters of @new_policy to @policy and either invoke the
* the driver's ->verify() callback again and run the notifiers for it again * driver's ->setpolicy() callback (if present) or carry out a governor update
* with the CPUFREQ_NOTIFY value. Next, copy the min and max parameters * for @policy. That is, run the current governor's ->limits() callback (if the
* of @new_policy to @policy and either invoke the driver's ->setpolicy() * governor field in @new_policy points to the same object as the one in
* callback (if present) or carry out a governor update for @policy. That is, * @policy) or replace the governor for @policy with the new one stored in
* run the current governor's ->limits() callback (if the governor field in * @new_policy.
* @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. * The cpuinfo part of @policy is not updated by this function.
*/ */
@ -2396,26 +2394,6 @@ int cpufreq_set_policy(struct cpufreq_policy *policy,
if (ret) if (ret)
return 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->min = new_policy->min;
policy->max = new_policy->max; policy->max = new_policy->max;
trace_cpu_frequency_limits(policy); trace_cpu_frequency_limits(policy);

6
include/linux/cpufreq.h
View File

@ -456,10 +456,8 @@ static inline void cpufreq_resume(void) {}
#define CPUFREQ_POSTCHANGE (1) #define CPUFREQ_POSTCHANGE (1)
/* Policy Notifiers */ /* Policy Notifiers */
#define CPUFREQ_ADJUST (0) #define CPUFREQ_CREATE_POLICY (0)
#define CPUFREQ_NOTIFY (1) #define CPUFREQ_REMOVE_POLICY (1)
#define CPUFREQ_CREATE_POLICY (2)
#define CPUFREQ_REMOVE_POLICY (3)
#ifdef CONFIG_CPU_FREQ #ifdef CONFIG_CPU_FREQ
int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list); int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list);