stm32: fix low-power test

1 files changed, 5 insertions, 1 deletions

diff --git a/embassy-stm32/src/rtc/mod.rs b/embassy-stm32/src/rtc/mod.rs
index 552dcc76f..d77443a9c 100644
--- a/embassy-stm32/src/rtc/mod.rs
+++ b/embassy-stm32/src/rtc/mod.rs
@@ -184,7 +184,11 @@ impl Default for RtcCalibrationCyclePeriod {
 impl Rtc {
     pub fn new(_rtc: impl Peripheral<P = RTC>, rtc_config: RtcConfig) -> Self {
         #[cfg(not(any(stm32l0, stm32f3, stm32l1, stm32f0, stm32f2)))]
-        <RTC as crate::rcc::sealed::RccPeripheral>::enable_and_reset();
+        critical_section::with(|cs| {
+            <RTC as crate::rcc::sealed::RccPeripheral>::enable_and_reset_with_cs(cs);
+            #[cfg(feature = "low-power")]
+            crate::rcc::clock_refcount_sub(cs);
+        });
 
         let mut this = Self {
             #[cfg(feature = "low-power")]