1 files changed, 4 insertions, 0 deletions
diff --git a/os/hal/src/hal_serial_usb.c b/os/hal/src/hal_serial_usb.c
index 246360ebc..4932ccb3d 100644
--- a/os/hal/src/hal_serial_usb.c
+++ b/os/hal/src/hal_serial_usb.c
@@ -310,6 +310,10 @@ void sduStop(SerialUSBDriver *sdup) {
  */
 void sduSuspendHookI(SerialUSBDriver *sdup) {
 
+  /* Avoiding events spam.*/
+  if(bqIsSuspendedX(&sdup->ibqueue) && bqIsSuspendedX(&sdup->obqueue)) {
+    return;
+  }
   chnAddFlagsI(sdup, CHN_DISCONNECTED);
   bqSuspendI(&sdup->ibqueue);
   bqSuspendI(&sdup->obqueue);