Re: [PATCH V3 1/2] cpufreq: Export cpufreq_update_pressure

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On 2/28/24 01:02, Trilok Soni wrote:
On 2/27/2024 10:16 AM, Sibi Sankar wrote:
The SCMI cpufreq driver doesn't require any additional signal
smoothing provided by arch_update_hw_pressure interface, export
cpufreq_update_pressure so that it can be called upon directly

Suggested-by: Lukasz Luba <lukasz.luba@xxxxxxx>
Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
  drivers/cpufreq/cpufreq.c | 3 ++-
  include/linux/cpufreq.h   | 2 ++
  2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 76002aa3d12d..bdec2dfd77eb 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2573,7 +2573,7 @@ DEFINE_PER_CPU(unsigned long, cpufreq_pressure);
   * Update the value of cpufreq pressure for all @cpus in the policy.
-static void cpufreq_update_pressure(struct cpufreq_policy *policy)
+void cpufreq_update_pressure(struct cpufreq_policy *policy)
  	unsigned long max_capacity, capped_freq, pressure;
  	u32 max_freq;
@@ -2598,6 +2598,7 @@ static void cpufreq_update_pressure(struct cpufreq_policy *policy)
  	for_each_cpu(cpu, policy->related_cpus)
  		WRITE_ONCE(per_cpu(cpufreq_pressure, cpu), pressure);

EXPORT_SYMBOL_GPL please. Other symbols in this file are _GPL as well.

Hey Trilok,

Thanks for catching this. Will fix it in the re-spin.


   * cpufreq_set_policy - Modify cpufreq policy parameters.
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 414bfc976b30..957bf8e4ca0d 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -241,6 +241,7 @@ struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy);
  void cpufreq_enable_fast_switch(struct cpufreq_policy *policy);
  void cpufreq_disable_fast_switch(struct cpufreq_policy *policy);
  bool has_target_index(void);
+void cpufreq_update_pressure(struct cpufreq_policy *policy);
DECLARE_PER_CPU(unsigned long, cpufreq_pressure);
  static inline unsigned long cpufreq_get_pressure(int cpu)
@@ -270,6 +271,7 @@ static inline bool cpufreq_supports_freq_invariance(void)
  static inline void disable_cpufreq(void) { }
  static inline void cpufreq_update_limits(unsigned int cpu) { }
+static inline void cpufreq_update_pressure(struct cpufreq_policy *policy) { }
  static inline unsigned long cpufreq_get_pressure(int cpu)
  	return 0;

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