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Merge back cpufreq material for 6.16

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Rafael J. Wysocki
2025-05-04 12:35:42 +02:00
parent ac4e04d9e3 121baab7b8
commit 400da808fd
4 changed files with 215 additions and 288 deletions
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11
include/linux/cpufreq.h
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@@ -170,6 +170,12 @@ struct cpufreq_policy {
struct notifier_block nb_max;
};
DEFINE_GUARD(cpufreq_policy_write, struct cpufreq_policy *,
down_write(&_T->rwsem), up_write(&_T->rwsem))
DEFINE_GUARD(cpufreq_policy_read, struct cpufreq_policy *,
down_read(&_T->rwsem), up_read(&_T->rwsem))
/*
* Used for passing new cpufreq policy data to the cpufreq driver's ->verify()
* callback for sanitization. That callback is only expected to modify the min
@@ -235,9 +241,6 @@ void disable_cpufreq(void);
u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy);
struct cpufreq_policy *cpufreq_cpu_acquire(unsigned int cpu);
void cpufreq_cpu_release(struct cpufreq_policy *policy);
int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu);
void refresh_frequency_limits(struct cpufreq_policy *policy);
void cpufreq_update_policy(unsigned int cpu);
void cpufreq_update_limits(unsigned int cpu);
@@ -395,7 +398,7 @@ struct cpufreq_driver {
unsigned int (*get)(unsigned int cpu);
/* Called to update policy limits on firmware notifications. */
void (*update_limits)(unsigned int cpu);
void (*update_limits)(struct cpufreq_policy *policy);
/* optional */
int (*bios_limit)(int cpu, unsigned int *limit);