diff options
Diffstat (limited to 'chip/stm32/clock-stm32l4.c')
| -rw-r--r-- | chip/stm32/clock-stm32l4.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/chip/stm32/clock-stm32l4.c b/chip/stm32/clock-stm32l4.c index 412771163c..6d10fbf79e 100644 --- a/chip/stm32/clock-stm32l4.c +++ b/chip/stm32/clock-stm32l4.c @@ -724,7 +724,14 @@ static void pre_work_set_rtc_alarm(void) while (!(STM32_RTC_ISR & STM32_RTC_ISR_ALRAWF)) ; STM32_RTC_ISR &= ~STM32_RTC_ISR_ALRAF; +#ifdef STM32_EXTI_RPR + /* Separate rising and falling edge pending registers. */ + STM32_EXTI_RPR = BIT(18); + STM32_EXTI_FPR = BIT(18); +#else + /* One combined rising/falling edge pending registers. */ STM32_EXTI_PR = BIT(18); +#endif } /* Register setup after RTC alarm is updated */ @@ -947,7 +954,14 @@ void reset_rtc_alarm(struct rtc_time_reg *rtc) /* Disable RTC alarm interrupt */ STM32_EXTI_IMR &= ~BIT(18); +#ifdef STM32_EXTI_RPR + /* Separate rising and falling edge pending registers. */ + STM32_EXTI_RPR = BIT(18); + STM32_EXTI_FPR = BIT(18); +#else + /* One combined rising/falling edge pending registers. */ STM32_EXTI_PR = BIT(18); +#endif /* Clear the pending RTC alarm IRQ in NVIC */ task_clear_pending_irq(STM32_IRQ_RTC_ALARM); |