9be37553ee
We should not be initializing/starting/stoping timing functions multiple times. So this changes how the timing functions are structured to allow only one initialization, only start when stopped, and only stop when started. Signed-off-by: Daniel Leung <daniel.leung@intel.com>
60 lines
996 B
C
60 lines
996 B
C
/*
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* Copyright (c) 2020 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 <stdbool.h>
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#include <kernel.h>
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#include <sys/atomic.h>
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#include <timing/timing.h>
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static bool has_inited;
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static atomic_val_t started_ref;
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void timing_init(void)
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{
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if (has_inited) {
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return;
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}
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#if defined(CONFIG_BOARD_HAS_TIMING_FUNCTIONS)
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board_timing_init();
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#elif defined(CONFIG_SOC_HAS_TIMING_FUNCTIONS)
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soc_timing_init();
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#else
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arch_timing_init();
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#endif
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has_inited = true;
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}
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void timing_start(void)
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{
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if (atomic_inc(&started_ref) != 0) {
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return;
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}
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#if defined(CONFIG_BOARD_HAS_TIMING_FUNCTIONS)
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board_timing_start();
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#elif defined(CONFIG_SOC_HAS_TIMING_FUNCTIONS)
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soc_timing_start();
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#else
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arch_timing_start();
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#endif
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}
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void timing_stop(void)
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{
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if (atomic_dec(&started_ref) > 1) {
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return;
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}
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#if defined(CONFIG_BOARD_HAS_TIMING_FUNCTIONS)
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board_timing_stop();
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#elif defined(CONFIG_SOC_HAS_TIMING_FUNCTIONS)
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soc_timing_stop();
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#else
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arch_timing_stop();
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#endif
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}
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