From 502049d359237b4cc1eae2f08708fc8096b3498e Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 2 Jan 2014 10:26:36 +0000
Subject: git-svn-id:
 svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6592
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/ports/STM32/USARTv1/serial_lld.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'os')

diff --git a/os/hal/ports/STM32/USARTv1/serial_lld.c b/os/hal/ports/STM32/USARTv1/serial_lld.c
index 89ac1187b..87be9bbb6 100644
--- a/os/hal/ports/STM32/USARTv1/serial_lld.c
+++ b/os/hal/ports/STM32/USARTv1/serial_lld.c
@@ -160,7 +160,7 @@ static void serve_interrupt(SerialDriver *sdp) {
     osalSysLockFromISR();
     chnAddFlagsI(sdp, SD_BREAK_DETECTED);
     osalSysUnlockFromISR();
-    u->SR &= ~USART_SR_LBD;
+    u->SR = ~USART_SR_LBD;
   }
 
   /* Data available.*/
@@ -193,8 +193,8 @@ static void serve_interrupt(SerialDriver *sdp) {
     osalSysLockFromISR();
     chnAddFlagsI(sdp, CHN_TRANSMISSION_END);
     osalSysUnlockFromISR();
-    u->CR1 = cr1 & ~USART_CR1_TCIE;
-    u->SR &= ~USART_SR_TC;
+    u->CR1 = cr1 & ~(USART_CR1_TXEIE | USART_CR1_TCIE);
+    u->SR = ~USART_SR_TC;
   }
 }
 
-- 
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