diff --git a/openbsc/src/chan_alloc.c b/openbsc/src/chan_alloc.c
index 118deca..107abdc 100644
--- a/openbsc/src/chan_alloc.c
+++ b/openbsc/src/chan_alloc.c
@@ -330,6 +330,20 @@
 	 * channel using it */
 }
 
+/*
+ * There was an error with the TRX and we need to forget
+ * any state so that a lchan can be allocated again after
+ * the trx is fully usable.
+ */
+void lchan_reset(struct gsm_lchan *lchan)
+{
+	bsc_del_timer(&lchan->T3101);
+
+	lchan->type = GSM_LCHAN_NONE;
+	lchan->state = LCHAN_S_NONE;
+}
+
+
 /* Consider releasing the channel now */
 int lchan_auto_release(struct gsm_lchan *lchan)
 {