diff options
Diffstat (limited to 'package/mac80211/patches/580-ath9k_tx_fifo_cleanup.patch')
-rw-r--r-- | package/mac80211/patches/580-ath9k_tx_fifo_cleanup.patch | 598 |
1 files changed, 0 insertions, 598 deletions
diff --git a/package/mac80211/patches/580-ath9k_tx_fifo_cleanup.patch b/package/mac80211/patches/580-ath9k_tx_fifo_cleanup.patch deleted file mode 100644 index b334bf1190..0000000000 --- a/package/mac80211/patches/580-ath9k_tx_fifo_cleanup.patch +++ /dev/null @@ -1,598 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -53,7 +53,7 @@ static void ath_tx_complete_buf(struct a - struct ath_txq *txq, struct list_head *bf_q, - struct ath_tx_status *ts, int txok, int sendbar); - static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, -- struct list_head *head); -+ struct list_head *head, bool internal); - static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len); - static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf, - struct ath_tx_status *ts, int nframes, int nbad, -@@ -377,8 +377,7 @@ static void ath_tx_complete_aggr(struct - bf_next = bf->bf_next; - - bf->bf_state.bf_type |= BUF_XRETRY; -- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) || -- !bf->bf_stale || bf_next != NULL) -+ if (!bf->bf_stale || bf_next != NULL) - list_move_tail(&bf->list, &bf_head); - - ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false); -@@ -463,20 +462,14 @@ static void ath_tx_complete_aggr(struct - } - } - -- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) && -- bf_next == NULL) { -- /* -- * Make sure the last desc is reclaimed if it -- * not a holding desc. -- */ -- if (!bf_last->bf_stale) -- list_move_tail(&bf->list, &bf_head); -- else -- INIT_LIST_HEAD(&bf_head); -- } else { -- BUG_ON(list_empty(bf_q)); -+ /* -+ * Make sure the last desc is reclaimed if it -+ * not a holding desc. -+ */ -+ if (!bf_last->bf_stale || bf_next != NULL) - list_move_tail(&bf->list, &bf_head); -- } -+ else -+ INIT_LIST_HEAD(&bf_head); - - if (!txpending || (tid->state & AGGR_CLEANUP)) { - /* -@@ -837,7 +830,7 @@ static void ath_tx_sched_aggr(struct ath - bf->bf_state.bf_type &= ~BUF_AGGR; - ath9k_hw_clr11n_aggr(sc->sc_ah, bf->bf_desc); - ath_buf_set_rate(sc, bf, fi->framelen); -- ath_tx_txqaddbuf(sc, txq, &bf_q); -+ ath_tx_txqaddbuf(sc, txq, &bf_q, false); - continue; - } - -@@ -849,7 +842,7 @@ static void ath_tx_sched_aggr(struct ath - /* anchor last desc of aggregate */ - ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc); - -- ath_tx_txqaddbuf(sc, txq, &bf_q); -+ ath_tx_txqaddbuf(sc, txq, &bf_q, false); - TX_STAT_INC(txq->axq_qnum, a_aggr); - - } while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH && -@@ -1085,7 +1078,6 @@ struct ath_txq *ath_txq_setup(struct ath - txq->txq_headidx = txq->txq_tailidx = 0; - for (i = 0; i < ATH_TXFIFO_DEPTH; i++) - INIT_LIST_HEAD(&txq->txq_fifo[i]); -- INIT_LIST_HEAD(&txq->txq_fifo_pending); - } - return &sc->tx.txq[axq_qnum]; - } -@@ -1155,13 +1147,8 @@ static bool bf_is_ampdu_not_probing(stru - return bf_isampdu(bf) && !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE); - } - --/* -- * Drain a given TX queue (could be Beacon or Data) -- * -- * This assumes output has been stopped and -- * we do not need to block ath_tx_tasklet. -- */ --void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx) -+static void ath_drain_txq_list(struct ath_softc *sc, struct ath_txq *txq, -+ struct list_head *list, bool retry_tx) - { - struct ath_buf *bf, *lastbf; - struct list_head bf_head; -@@ -1170,93 +1157,63 @@ void ath_draintxq(struct ath_softc *sc, - memset(&ts, 0, sizeof(ts)); - INIT_LIST_HEAD(&bf_head); - -- for (;;) { -- spin_lock_bh(&txq->axq_lock); -+ while (!list_empty(list)) { -+ bf = list_first_entry(list, struct ath_buf, list); - -- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -- if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) { -- txq->txq_headidx = txq->txq_tailidx = 0; -- spin_unlock_bh(&txq->axq_lock); -- break; -- } else { -- bf = list_first_entry(&txq->txq_fifo[txq->txq_tailidx], -- struct ath_buf, list); -- } -- } else { -- if (list_empty(&txq->axq_q)) { -- txq->axq_link = NULL; -- spin_unlock_bh(&txq->axq_lock); -- break; -- } -- bf = list_first_entry(&txq->axq_q, struct ath_buf, -- list); -- -- if (bf->bf_stale) { -- list_del(&bf->list); -- spin_unlock_bh(&txq->axq_lock); -+ if (bf->bf_stale) { -+ list_del(&bf->list); - -- ath_tx_return_buffer(sc, bf); -- continue; -- } -+ ath_tx_return_buffer(sc, bf); -+ continue; - } - - lastbf = bf->bf_lastbf; -- -- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -- list_cut_position(&bf_head, -- &txq->txq_fifo[txq->txq_tailidx], -- &lastbf->list); -- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH); -- } else { -- /* remove ath_buf's of the same mpdu from txq */ -- list_cut_position(&bf_head, &txq->axq_q, &lastbf->list); -- } -+ list_cut_position(&bf_head, list, &lastbf->list); - - txq->axq_depth--; - if (bf_is_ampdu_not_probing(bf)) - txq->axq_ampdu_depth--; -- spin_unlock_bh(&txq->axq_lock); - -+ spin_unlock_bh(&txq->axq_lock); - if (bf_isampdu(bf)) - ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, 0, - retry_tx); - else - ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0); -+ spin_lock_bh(&txq->axq_lock); - } -+} - -+/* -+ * Drain a given TX queue (could be Beacon or Data) -+ * -+ * This assumes output has been stopped and -+ * we do not need to block ath_tx_tasklet. -+ */ -+void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx) -+{ - spin_lock_bh(&txq->axq_lock); -- txq->axq_tx_inprogress = false; -- spin_unlock_bh(&txq->axq_lock); -- - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -- spin_lock_bh(&txq->axq_lock); -- while (!list_empty(&txq->txq_fifo_pending)) { -- bf = list_first_entry(&txq->txq_fifo_pending, -- struct ath_buf, list); -- list_cut_position(&bf_head, -- &txq->txq_fifo_pending, -- &bf->bf_lastbf->list); -- spin_unlock_bh(&txq->axq_lock); -+ int idx = txq->txq_tailidx; - -- if (bf_isampdu(bf)) -- ath_tx_complete_aggr(sc, txq, bf, &bf_head, -- &ts, 0, retry_tx); -- else -- ath_tx_complete_buf(sc, bf, txq, &bf_head, -- &ts, 0, 0); -- spin_lock_bh(&txq->axq_lock); -+ while (!list_empty(&txq->txq_fifo[idx])) { -+ ath_drain_txq_list(sc, txq, &txq->txq_fifo[idx], -+ retry_tx); -+ -+ INCR(idx, ATH_TXFIFO_DEPTH); - } -- spin_unlock_bh(&txq->axq_lock); -+ txq->txq_tailidx = idx; - } - -+ txq->axq_link = NULL; -+ txq->axq_tx_inprogress = false; -+ ath_drain_txq_list(sc, txq, &txq->axq_q, retry_tx); -+ - /* flush any pending frames if aggregation is enabled */ -- if (sc->sc_flags & SC_OP_TXAGGR) { -- if (!retry_tx) { -- spin_lock_bh(&txq->axq_lock); -- ath_txq_drain_pending_buffers(sc, txq); -- spin_unlock_bh(&txq->axq_lock); -- } -- } -+ if ((sc->sc_flags & SC_OP_TXAGGR) && !retry_tx) -+ ath_txq_drain_pending_buffers(sc, txq); -+ -+ spin_unlock_bh(&txq->axq_lock); - } - - bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx) -@@ -1370,11 +1327,13 @@ void ath_txq_schedule(struct ath_softc * - * assume the descriptors are already chained together by caller. - */ - static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, -- struct list_head *head) -+ struct list_head *head, bool internal) - { - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); -- struct ath_buf *bf; -+ struct ath_buf *bf, *bf_last; -+ bool puttxbuf = false; -+ bool edma; - - /* - * Insert the frame on the outbound list and -@@ -1384,51 +1343,49 @@ static void ath_tx_txqaddbuf(struct ath_ - if (list_empty(head)) - return; - -+ edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA); - bf = list_first_entry(head, struct ath_buf, list); -+ bf_last = list_entry(head->prev, struct ath_buf, list); - - ath_dbg(common, ATH_DBG_QUEUE, - "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth); - -- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { -- if (txq->axq_depth >= ATH_TXFIFO_DEPTH) { -- list_splice_tail_init(head, &txq->txq_fifo_pending); -- return; -- } -- if (!list_empty(&txq->txq_fifo[txq->txq_headidx])) -- ath_dbg(common, ATH_DBG_XMIT, -- "Initializing tx fifo %d which is non-empty\n", -- txq->txq_headidx); -- INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]); -- list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]); -+ if (edma && list_empty(&txq->txq_fifo[txq->txq_headidx])) { -+ list_splice_tail_init(head, &txq->txq_fifo[txq->txq_headidx]); - INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH); -- TX_STAT_INC(txq->axq_qnum, puttxbuf); -- ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr); -- ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n", -- txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc); -+ puttxbuf = true; - } else { - list_splice_tail_init(head, &txq->axq_q); - -- if (txq->axq_link == NULL) { -- TX_STAT_INC(txq->axq_qnum, puttxbuf); -- ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr); -- ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n", -- txq->axq_qnum, ito64(bf->bf_daddr), -- bf->bf_desc); -- } else { -- *txq->axq_link = bf->bf_daddr; -+ if (txq->axq_link) { -+ ath9k_hw_set_desc_link(ah, txq->axq_link, bf->bf_daddr); - ath_dbg(common, ATH_DBG_XMIT, - "link[%u] (%p)=%llx (%p)\n", - txq->axq_qnum, txq->axq_link, - ito64(bf->bf_daddr), bf->bf_desc); -- } -- ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc, -- &txq->axq_link); -+ } else if (!edma) -+ puttxbuf = true; -+ -+ txq->axq_link = bf_last->bf_desc; -+ } -+ -+ if (puttxbuf) { -+ TX_STAT_INC(txq->axq_qnum, puttxbuf); -+ ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr); -+ ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n", -+ txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc); -+ } -+ -+ if (!edma) { - TX_STAT_INC(txq->axq_qnum, txstart); - ath9k_hw_txstart(ah, txq->axq_qnum); - } -- txq->axq_depth++; -- if (bf_is_ampdu_not_probing(bf)) -- txq->axq_ampdu_depth++; -+ -+ if (!internal) { -+ txq->axq_depth++; -+ if (bf_is_ampdu_not_probing(bf)) -+ txq->axq_ampdu_depth++; -+ } - } - - static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid, -@@ -1470,7 +1427,7 @@ static void ath_tx_send_ampdu(struct ath - TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw); - bf->bf_lastbf = bf; - ath_buf_set_rate(sc, bf, fi->framelen); -- ath_tx_txqaddbuf(sc, txctl->txq, &bf_head); -+ ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false); - } - - static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, -@@ -1490,7 +1447,7 @@ static void ath_tx_send_normal(struct at - bf->bf_lastbf = bf; - fi = get_frame_info(bf->bf_mpdu); - ath_buf_set_rate(sc, bf, fi->framelen); -- ath_tx_txqaddbuf(sc, txq, bf_head); -+ ath_tx_txqaddbuf(sc, txq, bf_head, false); - TX_STAT_INC(txq->axq_qnum, queued); - } - -@@ -2077,6 +2034,38 @@ static void ath_tx_rc_status(struct ath_ - tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1; - } - -+static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq, -+ struct ath_tx_status *ts, struct ath_buf *bf, -+ struct list_head *bf_head) -+{ -+ int txok; -+ -+ txq->axq_depth--; -+ txok = !(ts->ts_status & ATH9K_TXERR_MASK); -+ txq->axq_tx_inprogress = false; -+ if (bf_is_ampdu_not_probing(bf)) -+ txq->axq_ampdu_depth--; -+ -+ spin_unlock_bh(&txq->axq_lock); -+ -+ if (!bf_isampdu(bf)) { -+ /* -+ * This frame is sent out as a single frame. -+ * Use hardware retry status for this frame. -+ */ -+ if (ts->ts_status & ATH9K_TXERR_XRETRY) -+ bf->bf_state.bf_type |= BUF_XRETRY; -+ ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok, true); -+ ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok, 0); -+ } else -+ ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true); -+ -+ spin_lock_bh(&txq->axq_lock); -+ -+ if (sc->sc_flags & SC_OP_TXAGGR) -+ ath_txq_schedule(sc, txq); -+} -+ - static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq) - { - struct ath_hw *ah = sc->sc_ah; -@@ -2085,20 +2074,18 @@ static void ath_tx_processq(struct ath_s - struct list_head bf_head; - struct ath_desc *ds; - struct ath_tx_status ts; -- int txok; - int status; - - ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n", - txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum), - txq->axq_link); - -+ spin_lock_bh(&txq->axq_lock); - for (;;) { -- spin_lock_bh(&txq->axq_lock); - if (list_empty(&txq->axq_q)) { - txq->axq_link = NULL; - if (sc->sc_flags & SC_OP_TXAGGR) - ath_txq_schedule(sc, txq); -- spin_unlock_bh(&txq->axq_lock); - break; - } - bf = list_first_entry(&txq->axq_q, struct ath_buf, list); -@@ -2114,13 +2101,11 @@ static void ath_tx_processq(struct ath_s - bf_held = NULL; - if (bf->bf_stale) { - bf_held = bf; -- if (list_is_last(&bf_held->list, &txq->axq_q)) { -- spin_unlock_bh(&txq->axq_lock); -+ if (list_is_last(&bf_held->list, &txq->axq_q)) - break; -- } else { -- bf = list_entry(bf_held->list.next, -- struct ath_buf, list); -- } -+ -+ bf = list_entry(bf_held->list.next, struct ath_buf, -+ list); - } - - lastbf = bf->bf_lastbf; -@@ -2128,10 +2113,9 @@ static void ath_tx_processq(struct ath_s - - memset(&ts, 0, sizeof(ts)); - status = ath9k_hw_txprocdesc(ah, ds, &ts); -- if (status == -EINPROGRESS) { -- spin_unlock_bh(&txq->axq_lock); -+ if (status == -EINPROGRESS) - break; -- } -+ - TX_STAT_INC(txq->axq_qnum, txprocdesc); - - /* -@@ -2145,42 +2129,14 @@ static void ath_tx_processq(struct ath_s - list_cut_position(&bf_head, - &txq->axq_q, lastbf->list.prev); - -- txq->axq_depth--; -- txok = !(ts.ts_status & ATH9K_TXERR_MASK); -- txq->axq_tx_inprogress = false; -- if (bf_held) -+ if (bf_held) { - list_del(&bf_held->list); -- -- if (bf_is_ampdu_not_probing(bf)) -- txq->axq_ampdu_depth--; -- -- spin_unlock_bh(&txq->axq_lock); -- -- if (bf_held) - ath_tx_return_buffer(sc, bf_held); -- -- if (!bf_isampdu(bf)) { -- /* -- * This frame is sent out as a single frame. -- * Use hardware retry status for this frame. -- */ -- if (ts.ts_status & ATH9K_TXERR_XRETRY) -- bf->bf_state.bf_type |= BUF_XRETRY; -- ath_tx_rc_status(sc, bf, &ts, 1, txok ? 0 : 1, txok, true); - } - -- if (bf_isampdu(bf)) -- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok, -- true); -- else -- ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0); -- -- spin_lock_bh(&txq->axq_lock); -- -- if (sc->sc_flags & SC_OP_TXAGGR) -- ath_txq_schedule(sc, txq); -- spin_unlock_bh(&txq->axq_lock); -+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head); - } -+ spin_unlock_bh(&txq->axq_lock); - } - - static void ath_tx_complete_poll_work(struct work_struct *work) -@@ -2237,17 +2193,16 @@ void ath_tx_tasklet(struct ath_softc *sc - - void ath_tx_edma_tasklet(struct ath_softc *sc) - { -- struct ath_tx_status txs; -+ struct ath_tx_status ts; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - struct ath_hw *ah = sc->sc_ah; - struct ath_txq *txq; - struct ath_buf *bf, *lastbf; - struct list_head bf_head; - int status; -- int txok; - - for (;;) { -- status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs); -+ status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts); - if (status == -EINPROGRESS) - break; - if (status == -EIO) { -@@ -2257,12 +2212,13 @@ void ath_tx_edma_tasklet(struct ath_soft - } - - /* Skip beacon completions */ -- if (txs.qid == sc->beacon.beaconq) -+ if (ts.qid == sc->beacon.beaconq) - continue; - -- txq = &sc->tx.txq[txs.qid]; -+ txq = &sc->tx.txq[ts.qid]; - - spin_lock_bh(&txq->axq_lock); -+ - if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) { - spin_unlock_bh(&txq->axq_lock); - return; -@@ -2275,41 +2231,21 @@ void ath_tx_edma_tasklet(struct ath_soft - INIT_LIST_HEAD(&bf_head); - list_cut_position(&bf_head, &txq->txq_fifo[txq->txq_tailidx], - &lastbf->list); -- INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH); -- txq->axq_depth--; -- txq->axq_tx_inprogress = false; -- if (bf_is_ampdu_not_probing(bf)) -- txq->axq_ampdu_depth--; -- spin_unlock_bh(&txq->axq_lock); - -- txok = !(txs.ts_status & ATH9K_TXERR_MASK); -- -- if (!bf_isampdu(bf)) { -- if (txs.ts_status & ATH9K_TXERR_XRETRY) -- bf->bf_state.bf_type |= BUF_XRETRY; -- ath_tx_rc_status(sc, bf, &txs, 1, txok ? 0 : 1, txok, true); -- } -- -- if (bf_isampdu(bf)) -- ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs, -- txok, true); -- else -- ath_tx_complete_buf(sc, bf, txq, &bf_head, -- &txs, txok, 0); -+ if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) { -+ INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH); - -- spin_lock_bh(&txq->axq_lock); -+ if (!list_empty(&txq->axq_q)) { -+ struct list_head bf_q; - -- if (!list_empty(&txq->txq_fifo_pending)) { -- INIT_LIST_HEAD(&bf_head); -- bf = list_first_entry(&txq->txq_fifo_pending, -- struct ath_buf, list); -- list_cut_position(&bf_head, -- &txq->txq_fifo_pending, -- &bf->bf_lastbf->list); -- ath_tx_txqaddbuf(sc, txq, &bf_head); -- } else if (sc->sc_flags & SC_OP_TXAGGR) -- ath_txq_schedule(sc, txq); -+ INIT_LIST_HEAD(&bf_q); -+ txq->axq_link = NULL; -+ list_splice_tail_init(&txq->axq_q, &bf_q); -+ ath_tx_txqaddbuf(sc, txq, &bf_q, true); -+ } -+ } - -+ ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head); - spin_unlock_bh(&txq->axq_lock); - } - } ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -179,7 +179,7 @@ enum ATH_AGGR_STATUS { - struct ath_txq { - int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ - u32 axq_qnum; /* ath9k hardware queue number */ -- u32 *axq_link; -+ void *axq_link; - struct list_head axq_q; - spinlock_t axq_lock; - u32 axq_depth; -@@ -188,7 +188,6 @@ struct ath_txq { - bool axq_tx_inprogress; - struct list_head axq_acq; - struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; -- struct list_head txq_fifo_pending; - u8 txq_headidx; - u8 txq_tailidx; - int pending_frames; ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -62,8 +62,6 @@ static bool ath9k_has_pending_frames(str - - if (txq->axq_depth || !list_empty(&txq->axq_acq)) - pending = true; -- else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) -- pending = !list_empty(&txq->txq_fifo_pending); - - spin_unlock_bh(&txq->axq_lock); - return pending; ---- a/drivers/net/wireless/ath/ath9k/debug.c -+++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -586,7 +586,6 @@ static ssize_t read_file_xmit(struct fil - - PRQLE("axq_q empty: ", axq_q); - PRQLE("axq_acq empty: ", axq_acq); -- PRQLE("txq_fifo_pending: ", txq_fifo_pending); - for (i = 0; i < ATH_TXFIFO_DEPTH; i++) { - snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i); - PRQLE(tmp, txq_fifo[i]); |