low-power: use scoped block stop

Co-authored-by: hjeldin <[email protected]>

1 files changed, 4 insertions, 4 deletions

diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index 8047d6005..d2c361c61 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -491,7 +491,7 @@ impl<'d> UartTx<'d, Async> {
 
     /// Initiate an asynchronous UART write
     pub async fn write(&mut self, buffer: &[u8]) -> Result<(), Error> {
-        let _ = self.info.rcc.block_stop();
+        let _scoped_block_stop = self.info.rcc.block_stop();
 
         let r = self.info.regs;
 
@@ -510,7 +510,7 @@ impl<'d> UartTx<'d, Async> {
 
     /// Wait until transmission complete
     pub async fn flush(&mut self) -> Result<(), Error> {
-        let _ = self.info.rcc.block_stop();
+        let _scoped_block_stop = self.info.rcc.block_stop();
 
         flush(&self.info, &self.state).await
     }
@@ -730,7 +730,7 @@ impl<'d> UartRx<'d, Async> {
 
     /// Initiate an asynchronous UART read
     pub async fn read(&mut self, buffer: &mut [u8]) -> Result<(), Error> {
-        let _ = self.info.rcc.block_stop();
+        let _scoped_block_stop = self.info.rcc.block_stop();
 
         self.inner_read(buffer, false).await?;
 
@@ -739,7 +739,7 @@ impl<'d> UartRx<'d, Async> {
 
     /// Initiate an asynchronous read with idle line detection enabled
     pub async fn read_until_idle(&mut self, buffer: &mut [u8]) -> Result<usize, Error> {
-        let _ = self.info.rcc.block_stop();
+        let _scoped_block_stop = self.info.rcc.block_stop();
 
         self.inner_read(buffer, true).await
     }