move gsm_bts_get_cbch() to gsm_data_shared() as its needed in osmo-bts
diff --git a/openbsc/src/libbsc/system_information.c b/openbsc/src/libbsc/system_information.c
index 29b9b19..ea9e335 100644
--- a/openbsc/src/libbsc/system_information.c
+++ b/openbsc/src/libbsc/system_information.c
@@ -555,27 +555,6 @@
return sizeof(*si3) + rc;
}
-/* return the gsm_lchan for the CBCH (if it exists at all) */
-static struct gsm_lchan *bts_get_cbch(struct gsm_bts *bts)
-{
- struct gsm_lchan *lchan = NULL;
- struct gsm_bts_trx *trx = bts->c0;
-
- if (trx->ts[0].pchan == GSM_PCHAN_CCCH_SDCCH4_CBCH)
- lchan = &trx->ts[0].lchan[2];
- else {
- int i;
- for (i = 0; i < 8; i++) {
- if (trx->ts[i].pchan == GSM_PCHAN_SDCCH8_SACCH8C_CBCH) {
- lchan = &trx->ts[i].lchan[2];
- break;
- }
- }
- }
-
- return lchan;
-}
-
static int generate_si4(uint8_t *output, struct gsm_bts *bts)
{
int rc;
@@ -600,7 +579,7 @@
si4->rach_control = bts->si_common.rach_control;
/* Optional: CBCH Channel Description + CBCH Mobile Allocation */
- cbch_lchan = bts_get_cbch(bts);
+ cbch_lchan = gsm_bts_get_cbch(bts);
if (cbch_lchan) {
struct gsm48_chan_desc cd;
gsm48_lchan2chan_desc(&cd, cbch_lchan);