ath9k: Remove a few unused variables

axq_linkbuf, axq_aggr_depth, axq_lastdsWithCTS and
axq_gatingds are unused.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 0 insertions, 23 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index d9bcc3abb425..2a40fa2cd914 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -198,18 +198,8 @@ struct ath_txq {
         struct list_head axq_q;
         spinlock_t axq_lock;
         u32 axq_depth;
-        u8 axq_aggr_depth;
         bool stopped;
         bool axq_tx_inprogress;
-        struct ath_buf *axq_linkbuf;
-
-        /* first desc of the last descriptor that contains CTS */
-        struct ath_desc *axq_lastdsWithCTS;
-
-        /* final desc of the gating desc that determines whether
-           lastdsWithCTS has been DMA'ed or not */
-        struct ath_desc *axq_gatingds;
-
         struct list_head axq_acq;
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 2db0fa878c26..745d91995d78 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -699,7 +699,6 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
                 /* anchor last desc of aggregate */
                 ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
 
-                txq->axq_aggr_depth++;
                 ath_tx_txqaddbuf(sc, txq, &bf_q);
                 TX_STAT_INC(txq->axq_qnum, a_aggr);
 
@@ -875,8 +874,6 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
                 INIT_LIST_HEAD(&txq->axq_acq);
                 spin_lock_init(&txq->axq_lock);
                 txq->axq_depth = 0;
-                txq->axq_aggr_depth = 0;
-                txq->axq_linkbuf = NULL;
                 txq->axq_tx_inprogress = false;
                 sc->tx.txqsetup |= 1<<qnum;
         }
@@ -1011,7 +1008,6 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
 
                 if (list_empty(&txq->axq_q)) {
                         txq->axq_link = NULL;
-                        txq->axq_linkbuf = NULL;
                         spin_unlock_bh(&txq->axq_lock);
                         break;
                 }
@@ -1196,7 +1192,6 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 
         list_splice_tail_init(head, &txq->axq_q);
         txq->axq_depth++;
-        txq->axq_linkbuf = list_entry(txq->axq_q.prev, struct ath_buf, list);
 
         ath_print(common, ATH_DBG_QUEUE,
                   "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
@@ -1965,7 +1960,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                 spin_lock_bh(&txq->axq_lock);
                 if (list_empty(&txq->axq_q)) {
                         txq->axq_link = NULL;
-                        txq->axq_linkbuf = NULL;
                         spin_unlock_bh(&txq->axq_lock);
                         break;
                 }
@@ -1999,10 +1993,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                         spin_unlock_bh(&txq->axq_lock);
                         break;
                 }
-                if (bf->bf_desc == txq->axq_lastdsWithCTS)
-                        txq->axq_lastdsWithCTS = NULL;
-                if (ds == txq->axq_gatingds)
-                        txq->axq_gatingds = NULL;
 
                 /*
                  * Remove ath_buf's of the same transmit unit from txq,
@@ -2016,9 +2006,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                                 &txq->axq_q, lastbf->list.prev);
 
                 txq->axq_depth--;
-                if (bf_isaggr(bf))
-                        txq->axq_aggr_depth--;
-
                 txok = (ds->ds_txstat.ts_status == 0);
                 txq->axq_tx_inprogress = false;
                 spin_unlock_bh(&txq->axq_lock);