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drivers: timer: nrf_rtc: fix TICKLESS=n processing

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Some kernel tests use `CONFIG_TICKLESS_KERNEL=n` with
`CONFIG_SYS_CLOCK_TICKS_PER_SEC=1` to detect when a test runs longer
than 1 second.  These tests break if a tick is announced every time a
timeout occurs.  Only announce if the measured duration since the last
tick is at least the duration of a tick.

Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
This commit is contained in:
Peter Bigot 2020-05-18 09:21:36 -05:00 committed by Carles Cufí
parent 4ec5ab2059
commit ec55314d28
1 changed files with 1 additions and 1 deletions
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2
drivers/timer/nrf_rtc_timer.c
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@ -177,7 +177,7 @@ void rtc1_nrf_isr(void *arg)
set_absolute_ticks(last_count + CYC_PER_TICK);
}
z_clock_announce(IS_ENABLED(CONFIG_TICKLESS_KERNEL) ? dticks : 1);
z_clock_announce(IS_ENABLED(CONFIG_TICKLESS_KERNEL) ? dticks : (dticks > 0));
}
int z_clock_driver_init(struct device *device)