From: Sibi Sankar <quic_sibis@quicinc.com>
To: <sudeep.holla@arm.com>, <cristian.marussi@arm.com>,
<rafael@kernel.org>, <viresh.kumar@linaro.org>,
<morten.rasmussen@arm.com>, <dietmar.eggemann@arm.com>,
<lukasz.luba@arm.com>, <pierre.gondois@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
<linux-pm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<quic_mdtipton@quicinc.com>, <linux-arm-msm@vger.kernel.org>,
Sibi Sankar <quic_sibis@quicinc.com>
Subject: [PATCH V4 1/2] cpufreq: Export cpufreq_update_pressure
Date: Thu, 28 Mar 2024 13:11:30 +0530 [thread overview]
Message-ID: <20240328074131.2839871-2-quic_sibis@quicinc.com> (raw)
In-Reply-To: <20240328074131.2839871-1-quic_sibis@quicinc.com>
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
instead.
Suggested-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
---
v4:
* Use EXPORT_SYMBOL_GPL instead. [Trilok]
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 1de8bd105934..656320554bb7 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2590,7 +2590,7 @@ 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;
@@ -2615,6 +2615,7 @@ 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(cpufreq_update_pressure);
/**
* cpufreq_set_policy - Modify cpufreq policy parameters.
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 20f7e98ee8af..7410a1bade23 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;
--
2.34.1
next prev parent reply other threads:[~2024-03-28 7:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-28 7:41 [PATCH V4 0/2] firmware: arm_scmi: Register and handle limits change notification Sibi Sankar
2024-03-28 7:41 ` Sibi Sankar [this message]
2024-03-28 7:41 ` [PATCH V4 2/2] cpufreq: scmi: Register for limit change notifications Sibi Sankar
2024-03-28 8:06 ` Lukasz Luba
2024-05-01 8:21 ` Cristian Marussi
2024-05-01 8:26 ` Cristian Marussi
2024-05-14 9:40 ` Sibi Sankar
2024-05-28 9:08 ` Vincent Guittot
2024-06-03 18:48 ` Sibi Sankar
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