From ed59ea76a6a8b4732d8f0dfd382afd512c41600d Mon Sep 17 00:00:00 2001
From: Dave Rodgman <dave.rodgman@arm.com>
Date: Wed, 15 Feb 2023 17:41:28 +0000
Subject: [PATCH] Document minimum size for DEBUG_BUF_SIZE

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
---
 library/debug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/debug.c b/library/debug.c
index ad56573145..8a5b28758c 100644
--- a/library/debug.c
+++ b/library/debug.c
@@ -30,6 +30,7 @@
 #include <stdio.h>
 #include <string.h>
 
+/* DEBUG_BUF_SIZE must be at least 2 */
 #define DEBUG_BUF_SIZE      512
 
 static int debug_threshold = 0;