timing: use runtime cycles for cortex-m systick
Use sys_clock_hw_cycles_per_sec() instead of CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC to determine clock cycles. Signed-off-by: Michel Haber <michel-haber@hotmail.com>
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@ -40,7 +40,7 @@ static inline uint64_t z_arm_dwt_freq_get(void)
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/* SysTick and DWT both run at CPU frequency,
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* reflected in the system timer HW cycles/sec.
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*/
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return CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC;
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return sys_clock_hw_cycles_per_sec();
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#else
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static uint64_t dwt_frequency;
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uint32_t cyc_start, cyc_end;
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