diff --git a/os/hal/include/hal_serial.h b/os/hal/include/hal_serial.h
index cbfbb35f1..bf916077d 100644
--- a/os/hal/include/hal_serial.h
+++ b/os/hal/include/hal_serial.h
@@ -294,7 +294,7 @@ extern "C" {
 #else
   void sdObjectInit(SerialDriver *sdp);
 #endif
-  void sdStart(SerialDriver *sdp, const SerialConfig *config);
+  msg_t sdStart(SerialDriver *sdp, const SerialConfig *config);
   void sdStop(SerialDriver *sdp);
   void sdIncomingDataI(SerialDriver *sdp, uint8_t b);
   msg_t sdRequestDataI(SerialDriver *sdp);
diff --git a/os/hal/src/hal_serial.c b/os/hal/src/hal_serial.c
index f4a7472dd..2522cc125 100644
--- a/os/hal/src/hal_serial.c
+++ b/os/hal/src/hal_serial.c
@@ -179,19 +179,30 @@ void sdObjectInit(SerialDriver *sdp) {
  * @param[in] config    the architecture-dependent serial driver configuration.
  *                      If this parameter is set to @p NULL then a default
  *                      configuration is used.
+ * @return              The operation status.
  *
  * @api
  */
-void sdStart(SerialDriver *sdp, const SerialConfig *config) {
+msg_t sdStart(SerialDriver *sdp, const SerialConfig *config) {
+  msg_t msg;
 
   osalDbgCheck(sdp != NULL);
 
   osalSysLock();
   osalDbgAssert((sdp->state == SD_STOP) || (sdp->state == SD_READY),
                 "invalid state");
+
+#if defined(SD_LLD_ENHANCED_API)
+  msg = sd_lld_start(sdp, config);
+#else
   sd_lld_start(sdp, config);
+  msg = HAL_START_SUCCESS;
+#endif
+
   sdp->state = SD_READY;
   osalSysUnlock();
+
+  return msg;
 }
 
 /**
diff --git a/os/hal/templates/hal_sio_lld.c b/os/hal/templates/hal_sio_lld.c
index d9cddeaf3..f7e9fc792 100644
--- a/os/hal/templates/hal_sio_lld.c
+++ b/os/hal/templates/hal_sio_lld.c
@@ -90,7 +90,7 @@ msg_t sio_lld_start(SIODriver *siop) {
   }
   /* Configures the peripheral.*/
 
-  return false;
+  return HAL_START_SUCCESS;
 }
 
 /**
diff --git a/os/hal/templates/hal_sio_lld.h b/os/hal/templates/hal_sio_lld.h
index a1a4393a4..c84634cd2 100644
--- a/os/hal/templates/hal_sio_lld.h
+++ b/os/hal/templates/hal_sio_lld.h
@@ -126,9 +126,9 @@ extern SIODriver SIOD1;
 extern "C" {
 #endif
 void sio_lld_init(void);
-bool  sio_lld_start(SIODriver *siop);
+msg_t  sio_lld_start(SIODriver *siop);
 void sio_lld_stop(SIODriver *siop);
-msg_t sio_lld_start_operation(SIODriver *siop);
+void sio_lld_start_operation(SIODriver *siop);
 void sio_lld_stop_operation(SIODriver *siop);
 sio_events_mask_t sio_lld_get_and_clear_events(SIODriver *siop);
 size_t sio_lld_read(SIODriver *siop, uint8_t *buffer, size_t n);