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cpufreq: Add policy create/remove notifiers back

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This effectively reverts some changes made by commit f9f41e3ef9
("cpufreq: Remove policy create/remove notifiers").

We have a new use case for policy create/remove notifiers (for
allocating/freeing QoS requests per policy), so add them back.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
[ rjw: Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2019-07-23 11:44:01 +05:30 • committed by Rafael J. Wysocki
parent e21a712a96
commit 6a1490367c
2 changed files with 16 additions and 1 deletions
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include/linux/cpufreq.h
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@ -458,6 +458,8 @@ static inline void cpufreq_resume(void) {}
/* Policy Notifiers */
#define CPUFREQ_ADJUST (0)
#define CPUFREQ_NOTIFY (1)
#define CPUFREQ_CREATE_POLICY (2)
#define CPUFREQ_REMOVE_POLICY (3)
#ifdef CONFIG_CPU_FREQ
int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list);