diff options
author | Felix Fietkau <nbd@openwrt.org> | 2011-09-15 17:55:16 +0000 |
---|---|---|
committer | Felix Fietkau <nbd@openwrt.org> | 2011-09-15 17:55:16 +0000 |
commit | 22be36418e2f32eb058e303890bfc680342c377b (patch) | |
tree | 8f29bdde278f2df69be8193bc070a93050de3472 /package/mac80211/patches/581-ath9k_use_reset_work.patch | |
parent | 98372a8eb51cafa81f0e31672669dc23d745d109 (diff) | |
download | upstream-22be36418e2f32eb058e303890bfc680342c377b.tar.gz upstream-22be36418e2f32eb058e303890bfc680342c377b.tar.bz2 upstream-22be36418e2f32eb058e303890bfc680342c377b.zip |
mac80211: update to wireless-testing 2011-09-14
SVN-Revision: 28245
Diffstat (limited to 'package/mac80211/patches/581-ath9k_use_reset_work.patch')
-rw-r--r-- | package/mac80211/patches/581-ath9k_use_reset_work.patch | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/package/mac80211/patches/581-ath9k_use_reset_work.patch b/package/mac80211/patches/581-ath9k_use_reset_work.patch deleted file mode 100644 index 0be41b6646..0000000000 --- a/package/mac80211/patches/581-ath9k_use_reset_work.patch +++ /dev/null @@ -1,298 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -429,6 +429,7 @@ void ath9k_set_beaconing_status(struct a - - #define ATH_PAPRD_TIMEOUT 100 /* msecs */ - -+void ath_reset_work(struct work_struct *work); - 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); -@@ -609,6 +610,7 @@ struct ath_softc { - struct mutex mutex; - struct work_struct paprd_work; - struct work_struct hw_check_work; -+ struct work_struct hw_reset_work; - struct completion paprd_complete; - - unsigned int hw_busy_count; -@@ -655,7 +657,6 @@ struct ath_softc { - }; - - void ath9k_tasklet(unsigned long data); --int ath_reset(struct ath_softc *sc, bool retry_tx); - int ath_cabq_update(struct ath_softc *); - - static inline void ath_read_cachesize(struct ath_common *common, int *csz) ---- a/drivers/net/wireless/ath/ath9k/beacon.c -+++ b/drivers/net/wireless/ath/ath9k/beacon.c -@@ -386,9 +386,7 @@ void ath_beacon_tasklet(unsigned long da - ath_dbg(common, ATH_DBG_BSTUCK, - "beacon is officially stuck\n"); - sc->sc_flags |= SC_OP_TSF_RESET; -- spin_lock(&sc->sc_pcu_lock); -- ath_reset(sc, true); -- spin_unlock(&sc->sc_pcu_lock); -+ ieee80211_queue_work(sc->hw, &sc->hw_reset_work); - } - - return; ---- a/drivers/net/wireless/ath/ath9k/init.c -+++ b/drivers/net/wireless/ath/ath9k/init.c -@@ -776,6 +776,7 @@ int ath9k_init_device(u16 devid, struct - goto error_world; - } - -+ INIT_WORK(&sc->hw_reset_work, ath_reset_work); - INIT_WORK(&sc->hw_check_work, ath_hw_check); - INIT_WORK(&sc->paprd_work, ath_paprd_calibrate); - INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work); ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -236,6 +236,7 @@ static int ath_set_channel(struct ath_so - del_timer_sync(&common->ani.timer); - cancel_work_sync(&sc->paprd_work); - cancel_work_sync(&sc->hw_check_work); -+ cancel_work_sync(&sc->hw_reset_work); - cancel_delayed_work_sync(&sc->tx_complete_work); - cancel_delayed_work_sync(&sc->hw_pll_work); - -@@ -595,74 +596,6 @@ static void ath_node_detach(struct ath_s - ath_tx_node_cleanup(sc, an); - } - --void ath_hw_check(struct work_struct *work) --{ -- struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work); -- struct ath_common *common = ath9k_hw_common(sc->sc_ah); -- unsigned long flags; -- int busy; -- -- ath9k_ps_wakeup(sc); -- if (ath9k_hw_check_alive(sc->sc_ah)) -- goto out; -- -- spin_lock_irqsave(&common->cc_lock, flags); -- busy = ath_update_survey_stats(sc); -- spin_unlock_irqrestore(&common->cc_lock, flags); -- -- ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " -- "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); -- if (busy >= 99) { -- if (++sc->hw_busy_count >= 3) { -- spin_lock_bh(&sc->sc_pcu_lock); -- ath_reset(sc, true); -- spin_unlock_bh(&sc->sc_pcu_lock); -- } -- } else if (busy >= 0) -- sc->hw_busy_count = 0; -- --out: -- ath9k_ps_restore(sc); --} -- --static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) --{ -- static int count; -- struct ath_common *common = ath9k_hw_common(sc->sc_ah); -- -- if (pll_sqsum >= 0x40000) { -- count++; -- if (count == 3) { -- /* Rx is hung for more than 500ms. Reset it */ -- ath_dbg(common, ATH_DBG_RESET, -- "Possible RX hang, resetting"); -- spin_lock_bh(&sc->sc_pcu_lock); -- ath_reset(sc, true); -- spin_unlock_bh(&sc->sc_pcu_lock); -- count = 0; -- } -- } else -- count = 0; --} -- --void ath_hw_pll_work(struct work_struct *work) --{ -- struct ath_softc *sc = container_of(work, struct ath_softc, -- hw_pll_work.work); -- u32 pll_sqsum; -- -- if (AR_SREV_9485(sc->sc_ah)) { -- -- ath9k_ps_wakeup(sc); -- pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); -- ath9k_ps_restore(sc); -- -- ath_hw_pll_rx_hang_check(sc, pll_sqsum); -- -- ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); -- } --} -- - - void ath9k_tasklet(unsigned long data) - { -@@ -675,9 +608,7 @@ void ath9k_tasklet(unsigned long data) - - if ((status & ATH9K_INT_FATAL) || - (status & ATH9K_INT_BB_WATCHDOG)) { -- spin_lock(&sc->sc_pcu_lock); -- ath_reset(sc, true); -- spin_unlock(&sc->sc_pcu_lock); -+ ieee80211_queue_work(sc->hw, &sc->hw_reset_work); - return; - } - -@@ -968,7 +899,7 @@ void ath_radio_disable(struct ath_softc - ath9k_ps_restore(sc); - } - --int ath_reset(struct ath_softc *sc, bool retry_tx) -+static int ath_reset(struct ath_softc *sc, bool retry_tx) - { - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); -@@ -1035,6 +966,84 @@ int ath_reset(struct ath_softc *sc, bool - return r; - } - -+void ath_reset_work(struct work_struct *work) -+{ -+ struct ath_softc *sc = container_of(work, struct ath_softc, hw_reset_work); -+ -+ spin_lock_bh(&sc->sc_pcu_lock); -+ ath_reset(sc, true); -+ spin_unlock_bh(&sc->sc_pcu_lock); -+} -+ -+void ath_hw_check(struct work_struct *work) -+{ -+ struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work); -+ struct ath_common *common = ath9k_hw_common(sc->sc_ah); -+ unsigned long flags; -+ int busy; -+ -+ ath9k_ps_wakeup(sc); -+ if (ath9k_hw_check_alive(sc->sc_ah)) -+ goto out; -+ -+ spin_lock_irqsave(&common->cc_lock, flags); -+ busy = ath_update_survey_stats(sc); -+ spin_unlock_irqrestore(&common->cc_lock, flags); -+ -+ ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " -+ "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); -+ if (busy >= 99) { -+ if (++sc->hw_busy_count >= 3) { -+ spin_lock_bh(&sc->sc_pcu_lock); -+ ath_reset(sc, true); -+ spin_unlock_bh(&sc->sc_pcu_lock); -+ } -+ -+ } else if (busy >= 0) -+ sc->hw_busy_count = 0; -+ -+out: -+ ath9k_ps_restore(sc); -+} -+ -+static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) -+{ -+ static int count; -+ struct ath_common *common = ath9k_hw_common(sc->sc_ah); -+ -+ if (pll_sqsum >= 0x40000) { -+ count++; -+ if (count == 3) { -+ /* Rx is hung for more than 500ms. Reset it */ -+ ath_dbg(common, ATH_DBG_RESET, -+ "Possible RX hang, resetting"); -+ spin_lock_bh(&sc->sc_pcu_lock); -+ ath_reset(sc, true); -+ spin_unlock_bh(&sc->sc_pcu_lock); -+ count = 0; -+ } -+ } else -+ count = 0; -+} -+ -+void ath_hw_pll_work(struct work_struct *work) -+{ -+ struct ath_softc *sc = container_of(work, struct ath_softc, -+ hw_pll_work.work); -+ u32 pll_sqsum; -+ -+ if (AR_SREV_9485(sc->sc_ah)) { -+ -+ ath9k_ps_wakeup(sc); -+ pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); -+ ath9k_ps_restore(sc); -+ -+ ath_hw_pll_rx_hang_check(sc, pll_sqsum); -+ -+ ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); -+ } -+} -+ - /**********************/ - /* mac80211 callbacks */ - /**********************/ -@@ -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); -+ cancel_work_sync(&sc->hw_reset_work); - - if (sc->sc_flags & SC_OP_INVALID) { - 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 -@@ -604,7 +604,7 @@ static void ath_tx_complete_aggr(struct - rcu_read_unlock(); - - if (needreset) -- ath_reset(sc, false); -+ ieee80211_queue_work(sc->hw, &sc->hw_reset_work); - } - - static bool ath_lookup_legacy(struct ath_buf *bf) -@@ -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 (work_pending(&sc->hw_reset_work) || list_empty(&txq->axq_acq) || - txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) - return; - -@@ -2184,6 +2184,9 @@ static void ath_tx_processq(struct ath_s - - spin_lock_bh(&txq->axq_lock); - for (;;) { -+ 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 +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"); -- spin_lock_bh(&sc->sc_pcu_lock); -- ath_reset(sc, true); -- spin_unlock_bh(&sc->sc_pcu_lock); -+ ieee80211_queue_work(sc->hw, &sc->hw_reset_work); - } - - ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, -@@ -2306,6 +2307,9 @@ void ath_tx_edma_tasklet(struct ath_soft - int status; - - for (;;) { -+ if (work_pending(&sc->hw_reset_work)) -+ break; -+ - status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts); - if (status == -EINPROGRESS) - break; |