From d2acb6aaa8d4d69a5b19d4f94e8a68b300693562 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sun, 4 Mar 2007 20:34:48 +0000
Subject: Add comment

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@36 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/arch/pjrc-8051/src/up_putc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'nuttx/arch')

diff --git a/nuttx/arch/pjrc-8051/src/up_putc.c b/nuttx/arch/pjrc-8051/src/up_putc.c
index 95f25aa3b..48f3ea90e 100644
--- a/nuttx/arch/pjrc-8051/src/up_putc.c
+++ b/nuttx/arch/pjrc-8051/src/up_putc.c
@@ -55,7 +55,7 @@ static void _up_putc(int ch) __naked
         ljmp    PM2_ENTRY_COUT
   _endasm;
 #else
-  ch;
+  ch; /* To avoid unreferenced argument warning */
   _asm
         mov     a, dpl
 cout:   jnb     ti, cout
-- 
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