From 9b3bcb092b6b9fba236a452663d71a39189ea283 Mon Sep 17 00:00:00 2001
From: "R. Steve McKown" <rsmckown@gmail.com>
Date: Thu, 8 Apr 2010 07:46:32 -0600
Subject: [PATCH] Let UartByte.send() interleave with any in-progress
 UartStream.send().

---
 tos/chips/msp430/usci/Msp430UartP.nc | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/tos/chips/msp430/usci/Msp430UartP.nc b/tos/chips/msp430/usci/Msp430UartP.nc
index 6f6384db..dcdc5b38 100644
--- a/tos/chips/msp430/usci/Msp430UartP.nc
+++ b/tos/chips/msp430/usci/Msp430UartP.nc
@@ -134,10 +134,7 @@ implementation {
 
   async command error_t UartByte.send(uint8_t byte)
   {
-    /* FIXME: race with UartStream.send() */
     atomic {
-      if (m_sobuf)
-	return FAIL;
       while (!call Registers.getIfgTx());
       call Registers.setTxbuf(byte);
       return SUCCESS;
-- 
2.39.2