From 4aa5b4bccc0880780fa40099d3bc3daf335f2be7 Mon Sep 17 00:00:00 2001
From: Stefan Sperling <ssperling@sysmocom.de>
Date: Thu, 8 Feb 2018 17:09:52 +0100
Subject: document a helper function

Change-Id: I3d9c926a616ba3398c3f0982e10697e7a02d3108
---
 src/libbsc/acc_ramp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libbsc/acc_ramp.c b/src/libbsc/acc_ramp.c
index 8d1d6de57..cc678ff37 100644
--- a/src/libbsc/acc_ramp.c
+++ b/src/libbsc/acc_ramp.c
@@ -25,6 +25,10 @@
 #include <osmocom/bsc/acc_ramp.h>
 #include <osmocom/bsc/gsm_data.h>
 
+/*
+ * Check if an ACC has been permanently barred for a BTS,
+ * e.g. with the 'rach access-control-class' VTY command.
+ */
 static bool bts_allows_acc(struct gsm_bts *bts, unsigned int acc)
 {
 	assert(acc >= 0 && acc <= 9);
-- 
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