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drivers/timer: stm32 lptim: Fix frequency check

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Aim is to error out on misconfifurations, not the other way round.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2022-09-06 15:18:43 +02:00 • committed by Carles Cufí
commit ec6f932ad2
1 changed files with 2 additions and 2 deletions
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4
drivers/timer/stm32_lptim_timer.c
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@ -306,9 +306,9 @@ static int sys_clock_driver_init(const struct device *dev)
/* For tick accuracy, a specific tick to freq ratio is expected */ /* For tick accuracy, a specific tick to freq ratio is expected */
/* This check assumes LSI@32KHz or LSE@32768Hz */ /* This check assumes LSI@32KHz or LSE@32768Hz */
if (((lptim_clk[1].bus == STM32_SRC_LSI) && if (((lptim_clk[1].bus == STM32_SRC_LSI) &&
(CONFIG_SYS_CLOCK_TICKS_PER_SEC == 4000)) || (CONFIG_SYS_CLOCK_TICKS_PER_SEC != 4000)) ||
((lptim_clk[1].bus == STM32_SRC_LSE) && ((lptim_clk[1].bus == STM32_SRC_LSE) &&
(CONFIG_SYS_CLOCK_TICKS_PER_SEC == 4096))) { (CONFIG_SYS_CLOCK_TICKS_PER_SEC != 4096))) {
return -ENOTSUP; return -ENOTSUP;
} }