comments: clarify some dynamic TS comments
A new type of dynamic channel will be introduced soon, so prepare some comments to name the dynamic TS kind more specifically. Change-Id: I51fa8c2ebba507299e55a5cb7e67e48a6c8471f7
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@ -470,7 +470,7 @@ int rsl_chan_activate_lchan(struct gsm_lchan *lchan, uint8_t act_type,
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if (rc < 0)
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return rc;
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/* if channel is in PDCH mode, deactivate PDCH first */
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/* If a TCH_F/PDCH TS is in PDCH mode, deactivate PDCH first. */
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if (lchan->ts->pchan == GSM_PCHAN_TCH_F_PDCH
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&& (lchan->ts->flags & TS_F_PDCH_ACTIVE)) {
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/* store activation type and handover reference */
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@ -772,7 +772,7 @@ static int rsl_rx_rf_chan_rel_ack(struct gsm_lchan *lchan)
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*
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* Any state other than LCHAN_S_REL_ERR became LCHAN_S_NONE after above
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* do_lchan_free(). Assert this, because that's what ensures a PDCH ACT
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* on a dynamic channel in all cases.
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* on a TCH/F_PDCH TS in all cases.
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*
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* If GPRS is disabled, always skip the PDCH ACT.
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*/
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@ -43,7 +43,7 @@ static int ts_is_usable(struct gsm_bts_trx_ts *ts)
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return 0;
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}
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/* If a dyn PDCH channel is busy changing, it is already taken or not
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/* If a TCH/F_PDCH TS is busy changing, it is already taken or not
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* yet available. */
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if (ts->pchan == GSM_PCHAN_TCH_F_PDCH) {
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if (ts->flags & TS_F_PDCH_PENDING_MASK)
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@ -142,9 +142,12 @@ _lc_find_bts(struct gsm_bts *bts, enum gsm_phys_chan_config pchan)
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/* Allocate a logical channel.
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*
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* For TCH/F, we may return a dynamic TCH/F_PDCH channel (but prefer a pure
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* TCH/F). If we pick a TCH/F_PDCH time slot, PDCH will be disabled later on;
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* there is no need to check whether PDCH mode is currently active, here.
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* Dynamic channel types: we always prefer a dedicated TS, and only pick +
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* switch a dynamic TS if no pure TS of the requested PCHAN is available.
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*
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* TCH_F/PDCH: if we pick a PDCH ACT style dynamic TS as TCH/F channel, PDCH
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* will be disabled in rsl_chan_activate_lchan(); there is no need to check
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* whether PDCH mode is currently active, here.
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*/
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struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type,
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int allow_bigger)
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