From d5635adecc959228fefce27610f211087fefd87f Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Wed, 2 Jan 2019 11:43:13 +0000
Subject: Mass update of all drivers to use the new DMA API. What could
 possibly go wrong?

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12521 110e8d01-0319-4d1e-a829-52ad28d1bb01
---
 os/hal/src/hal_serial_usb.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'os/hal/src')

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);
-- 
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