From a677ddc38db4e4e7155b72bc68e09663db30c240 Mon Sep 17 00:00:00 2001 From: nbd Date: Sat, 3 Sep 2011 03:27:20 +0000 Subject: ath9k: fix some hw reset issues git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28151 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches/581-ath9k_use_reset_work.patch | 47 +++++++--------------- 1 file changed, 14 insertions(+), 33 deletions(-) (limited to 'package/mac80211/patches/581-ath9k_use_reset_work.patch') diff --git a/package/mac80211/patches/581-ath9k_use_reset_work.patch b/package/mac80211/patches/581-ath9k_use_reset_work.patch index 810d968c4..0be41b664 100644 --- a/package/mac80211/patches/581-ath9k_use_reset_work.patch +++ b/package/mac80211/patches/581-ath9k_use_reset_work.patch @@ -8,15 +8,7 @@ void ath_hw_check(struct work_struct *work); void ath_hw_pll_work(struct work_struct *work); void ath_paprd_calibrate(struct work_struct *work); -@@ -559,6 +560,7 @@ struct ath_ant_comb { - #define SC_OP_RXFLUSH BIT(7) - #define SC_OP_LED_ASSOCIATED BIT(8) - #define SC_OP_LED_ON BIT(9) -+#define SC_OP_HW_RESET BIT(10) - #define SC_OP_TSF_RESET BIT(11) - #define SC_OP_BT_PRIORITY_DETECTED BIT(12) - #define SC_OP_BT_SCAN BIT(13) -@@ -609,6 +611,7 @@ struct ath_softc { +@@ -609,6 +610,7 @@ struct ath_softc { struct mutex mutex; struct work_struct paprd_work; struct work_struct hw_check_work; @@ -24,7 +16,7 @@ struct completion paprd_complete; unsigned int hw_busy_count; -@@ -655,7 +658,6 @@ struct ath_softc { +@@ -655,7 +657,6 @@ struct ath_softc { }; void ath9k_tasklet(unsigned long data); @@ -151,7 +143,7 @@ return; } -@@ -968,13 +899,14 @@ void ath_radio_disable(struct ath_softc +@@ -968,7 +899,7 @@ void ath_radio_disable(struct ath_softc ath9k_ps_restore(sc); } @@ -160,14 +152,7 @@ { struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); - struct ieee80211_hw *hw = sc->hw; - int r; - -+ sc->sc_flags &= ~SC_OP_HW_RESET; - sc->hw_busy_count = 0; - - /* Stop ANI */ -@@ -1035,6 +967,84 @@ int ath_reset(struct ath_softc *sc, bool +@@ -1035,6 +966,84 @@ int ath_reset(struct ath_softc *sc, bool return r; } @@ -252,7 +237,7 @@ /**********************/ /* mac80211 callbacks */ /**********************/ -@@ -1227,6 +1237,7 @@ static void ath9k_stop(struct ieee80211_ +@@ -1227,6 +1236,7 @@ static void ath9k_stop(struct ieee80211_ cancel_delayed_work_sync(&sc->hw_pll_work); cancel_work_sync(&sc->paprd_work); cancel_work_sync(&sc->hw_check_work); @@ -262,39 +247,35 @@ ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -603,8 +603,10 @@ static void ath_tx_complete_aggr(struct - +@@ -604,7 +604,7 @@ static void ath_tx_complete_aggr(struct rcu_read_unlock(); -- if (needreset) + if (needreset) - ath_reset(sc, false); -+ if (needreset) { -+ sc->sc_flags |= SC_OP_HW_RESET; + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); -+ } } static bool ath_lookup_legacy(struct ath_buf *bf) -@@ -1357,7 +1359,7 @@ void ath_txq_schedule(struct ath_softc * +@@ -1357,7 +1357,7 @@ void ath_txq_schedule(struct ath_softc * struct ath_atx_ac *ac, *ac_tmp, *last_ac; struct ath_atx_tid *tid, *last_tid; - if (list_empty(&txq->axq_acq) || -+ if ((sc->sc_flags & SC_OP_HW_RESET) || list_empty(&txq->axq_acq) || ++ if (work_pending(&sc->hw_reset_work) || list_empty(&txq->axq_acq) || txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) return; -@@ -2184,6 +2186,9 @@ static void ath_tx_processq(struct ath_s +@@ -2184,6 +2184,9 @@ static void ath_tx_processq(struct ath_s spin_lock_bh(&txq->axq_lock); for (;;) { -+ if (sc->sc_flags & SC_OP_HW_RESET) ++ if (work_pending(&sc->hw_reset_work)) + break; + if (list_empty(&txq->axq_q)) { txq->axq_link = NULL; if (sc->sc_flags & SC_OP_TXAGGR) -@@ -2271,9 +2276,7 @@ static void ath_tx_complete_poll_work(st +@@ -2271,9 +2274,7 @@ static void ath_tx_complete_poll_work(st if (needreset) { ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET, "tx hung, resetting the chip\n"); @@ -305,11 +286,11 @@ } ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, -@@ -2306,6 +2309,9 @@ void ath_tx_edma_tasklet(struct ath_soft +@@ -2306,6 +2307,9 @@ void ath_tx_edma_tasklet(struct ath_soft int status; for (;;) { -+ if (sc->sc_flags & SC_OP_HW_RESET) ++ if (work_pending(&sc->hw_reset_work)) + break; + status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts); -- cgit v1.2.3