From eaa8134b711c2ac48bd619ff3ef3f09c8795c855 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: [PATCH] Add comment

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

diff --git a/arch/pjrc-8051/src/up_putc.c b/arch/pjrc-8051/src/up_putc.c
index 95f25aa3bda..48f3ea90eed 100644
--- a/arch/pjrc-8051/src/up_putc.c
+++ b/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