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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

@@ -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