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3c38a41991
The policy file does not perform any logging, so just drop logging include and declaration. Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
38 lines
864 B
C
38 lines
864 B
C
/*
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* Copyright (c) 2018 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <pm/pm.h>
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#include <pm/policy.h>
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#include <sys_clock.h>
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#include <sys/time_units.h>
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const struct pm_state_info *pm_policy_next_state(uint8_t cpu, int32_t ticks)
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{
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uint8_t num_cpu_states;
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const struct pm_state_info *cpu_states;
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num_cpu_states = pm_state_cpu_get_all(cpu, &cpu_states);
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for (int16_t i = (int16_t)num_cpu_states - 1; i >= 0; i--) {
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const struct pm_state_info *state = &cpu_states[i];
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uint32_t min_residency, exit_latency;
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if (!pm_constraint_get(state->state)) {
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continue;
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}
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min_residency = k_us_to_ticks_ceil32(state->min_residency_us);
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exit_latency = k_us_to_ticks_ceil32(state->exit_latency_us);
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if ((ticks == K_TICKS_FOREVER) ||
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(ticks >= (min_residency + exit_latency))) {
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return state;
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}
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}
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return NULL;
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}
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