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PM / EM: remove em_register_perf_domain

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Remove old function em_register_perf_domain which is no longer needed.
There is em_dev_register_perf_domain that covers old use cases and new as
well.

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Quentin Perret <qperret@google.com>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lukasz Luba 2020-05-27 10:58:51 +01:00 committed by Rafael J. Wysocki
parent 1bc138c622
commit 07891f15d9
2 changed files with 0 additions and 32 deletions
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7
include/linux/energy_model.h
View File

@ -78,8 +78,6 @@ struct em_data_callback {
struct em_perf_domain *em_cpu_get(int cpu);
struct em_perf_domain *em_pd_get(struct device *dev);
int em_register_perf_domain(cpumask_t *span, unsigned int nr_states,
struct em_data_callback *cb);
int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
struct em_data_callback *cb, cpumask_t *span);
void em_dev_unregister_perf_domain(struct device *dev);
@ -181,11 +179,6 @@ static inline int em_pd_nr_perf_states(struct em_perf_domain *pd)
struct em_data_callback {};
#define EM_DATA_CB(_active_power_cb) { }
static inline int em_register_perf_domain(cpumask_t *span,
unsigned int nr_states, struct em_data_callback *cb)
{
return -EINVAL;
}
static inline
int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
struct em_data_callback *cb, cpumask_t *span)

25
kernel/power/energy_model.c
View File

@ -322,31 +322,6 @@ unlock:
}
EXPORT_SYMBOL_GPL(em_dev_register_perf_domain);
/**
* em_register_perf_domain() - Register the Energy Model of a performance domain
* @span : Mask of CPUs in the performance domain
* @nr_states : Number of capacity states to register
* @cb : Callback functions providing the data of the Energy Model
*
* Create Energy Model tables for a performance domain using the callbacks
* defined in cb.
*
* If multiple clients register the same performance domain, all but the first
* registration will be ignored.
*
* Return 0 on success
*/
int em_register_perf_domain(cpumask_t *span, unsigned int nr_states,
struct em_data_callback *cb)
{
struct device *cpu_dev;
cpu_dev = get_cpu_device(cpumask_first(span));
return em_dev_register_perf_domain(cpu_dev, nr_states, cb, span);
}
EXPORT_SYMBOL_GPL(em_register_perf_domain);
/**
* em_dev_unregister_perf_domain() - Unregister Energy Model (EM) for a device
* @dev : Device for which the EM is registered