TSC: Add new gsm_ts_tsc() function to resolve TSC of TS
We don't want every caller to check for ts->tsc == -1 and then
using ts->trx->bts->tsc instead. Rather, introduce a new inline
function to retrieve the correct value.
diff --git a/openbsc/src/libbsc/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index b906c2e..0030764 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -795,8 +795,7 @@
{
vty_out(vty, "BTS %u, TRX %u, Timeslot %u, phys cfg %s, TSC %u",
ts->trx->bts->nr, ts->trx->nr, ts->nr,
- gsm_pchan_name(ts->pchan),
- ts->tsc == -1 ? ts->trx->bts->tsc : ts->tsc);
+ gsm_pchan_name(ts->pchan), gsm_ts_tsc(ts));
if (ts->pchan == GSM_PCHAN_TCH_F_PDCH)
vty_out(vty, " (%s mode)",
ts->flags & TS_F_PDCH_MODE ? "PDCH" : "TCH/F");