diff --git a/embassy-stm32/src/spi/mod.rs b/embassy-stm32/src/spi/mod.rs
index 211b5523..c391e0a5 100644
--- a/embassy-stm32/src/spi/mod.rs
+++ b/embassy-stm32/src/spi/mod.rs
@@ -322,7 +322,7 @@ impl<'d, T: Instance, Tx, Rx> Spi<'d, T, Tx, Rx> {
     }
 
     /// Reconfigures it with the supplied config.
-    fn set_config(&mut self, config: Config) {
+    pub fn set_config(&mut self, config: &Config) -> Result<(), ()> {
         let cpha = config.raw_phase();
         let cpol = config.raw_polarity();
 
@@ -351,6 +351,7 @@ impl<'d, T: Instance, Tx, Rx> Spi<'d, T, Tx, Rx> {
                 w.set_mbr(br);
             });
         }
+        Ok(())
     }
 
     pub fn get_current_config(&self) -> Config {
@@ -1062,8 +1063,6 @@ impl<'d, T: Instance, Tx, Rx> SetConfig for Spi<'d, T, Tx, Rx> {
     type Config = Config;
     type ConfigError = ();
     fn set_config(&mut self, config: &Self::Config) -> Result<(), ()> {
-        self.set_config(*config);
-
-        Ok(())
+        self.set_config(config)
     }
 }
diff --git a/embassy-stm32/src/usart/buffered.rs b/embassy-stm32/src/usart/buffered.rs
index 82d925a4..cbc13a34 100644
--- a/embassy-stm32/src/usart/buffered.rs
+++ b/embassy-stm32/src/usart/buffered.rs
@@ -253,7 +253,7 @@ impl<'d, T: BasicInstance> BufferedUart<'d, T> {
         (self.tx, self.rx)
     }
 
-    fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
+    pub fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
         reconfigure::<T>(config)
     }
 }
@@ -333,7 +333,7 @@ impl<'d, T: BasicInstance> BufferedUartRx<'d, T> {
         }
     }
 
-    fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
+    pub fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
         reconfigure::<T>(config)
     }
 }
@@ -407,7 +407,7 @@ impl<'d, T: BasicInstance> BufferedUartTx<'d, T> {
         }
     }
 
-    fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
+    pub fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
         reconfigure::<T>(config)
     }
 }
diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index 3b7f5184..880ca416 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -274,7 +274,7 @@ impl<'d, T: BasicInstance, TxDma> UartTx<'d, T, TxDma> {
         })
     }
 
-    fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
+    pub fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
         reconfigure::<T>(config)
     }
 
@@ -373,7 +373,7 @@ impl<'d, T: BasicInstance, RxDma> UartRx<'d, T, RxDma> {
         })
     }
 
-    fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
+    pub fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
         reconfigure::<T>(config)
     }
 
diff --git a/embassy-stm32/src/usart/ringbuffered.rs b/embassy-stm32/src/usart/ringbuffered.rs
index 535d1b1f..55489f2e 100644
--- a/embassy-stm32/src/usart/ringbuffered.rs
+++ b/embassy-stm32/src/usart/ringbuffered.rs
@@ -64,7 +64,7 @@ impl<'d, T: BasicInstance, RxDma: super::RxDma<T>> RingBufferedUartRx<'d, T, RxD
         Err(err)
     }
 
-    fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
+    pub fn set_config(&mut self, config: &Config) -> Result<(), ConfigError> {
         self.teardown_uart();
         reconfigure::<T>(config)
     }