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ath9k: add some more minor hw reset related fixes

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SVN-Revision: 28129
master
Felix Fietkau 13 years ago
parent dea36724a4
commit be077babbf
3 changed files with 79 additions and 37 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 77
      package/mac80211/patches/581-ath9k_use_reset_work.patch
  2. 31
      package/mac80211/patches/582-ath9k_merge_reset_functions.patch
  3. 8
      package/mac80211/patches/583-ath9k_antenna_control.patch

77
package/mac80211/patches/581-ath9k_use_reset_work.patch
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@ -8,7 +8,15 @@
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 {
@@ -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 {
struct mutex mutex;
struct work_struct paprd_work;
struct work_struct hw_check_work;
@ -16,7 +24,7 @@
struct completion paprd_complete;
unsigned int hw_busy_count;
@@ -655,7 +657,6 @@ struct ath_softc {
@@ -655,7 +658,6 @@ struct ath_softc {
};
void ath9k_tasklet(unsigned long data);
@ -24,6 +32,19 @@
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
@ -122,7 +143,7 @@
return;
}
@@ -968,7 +898,7 @@ void ath_radio_disable(struct ath_softc
@@ -968,13 +898,14 @@ void ath_radio_disable(struct ath_softc
ath9k_ps_restore(sc);
}
@ -131,7 +152,14 @@
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
@@ -1035,6 +965,84 @@ int ath_reset(struct ath_softc *sc, bool
struct ieee80211_hw *hw = sc->hw;
int r;
+ sc->sc_flags &= ~SC_OP_HW_RESET;
sc->hw_busy_count = 0;
/* Stop ANI */
@@ -1035,6 +966,84 @@ int ath_reset(struct ath_softc *sc, bool
return r;
}
@ -218,16 +246,30 @@
/**********************/
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -601,7 +601,7 @@ static void ath_tx_complete_aggr(struct
@@ -600,8 +600,10 @@ 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)
@@ -2268,9 +2268,7 @@ static void ath_tx_complete_poll_work(st
@@ -2181,6 +2183,9 @@ static void ath_tx_processq(struct ath_s
spin_lock_bh(&txq->axq_lock);
for (;;) {
+ if (sc->sc_flags & SC_OP_HW_RESET)
+ break;
+
if (list_empty(&txq->axq_q)) {
txq->axq_link = NULL;
if (sc->sc_flags & SC_OP_TXAGGR)
@@ -2268,9 +2273,7 @@ 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");
@ -238,16 +280,13 @@
}
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
--- 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);
}
@@ -2303,6 +2306,9 @@ void ath_tx_edma_tasklet(struct ath_soft
int status;
return;
for (;;) {
+ if (sc->sc_flags & SC_OP_HW_RESET)
+ break;
+
status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts);
if (status == -EINPROGRESS)
break;

31
package/mac80211/patches/582-ath9k_merge_reset_functions.patch
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@ -117,7 +117,7 @@
}
ath9k_cmn_update_txpow(ah, sc->curtxpow,
@@ -296,21 +270,93 @@ static int ath_set_channel(struct ath_so
@@ -296,21 +270,95 @@ static int ath_set_channel(struct ath_so
ath9k_hw_set_interrupts(ah, ah->imask);
ath9k_hw_enable_interrupts(ah);
@ -152,6 +152,8 @@
+ __ath_cancel_work(sc);
+
+ spin_lock_bh(&sc->sc_pcu_lock);
+
+ sc->sc_flags &= ~SC_OP_HW_RESET;
+ if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) {
+ fastcc = false;
@ -188,7 +190,7 @@
+
+out:
spin_unlock_bh(&sc->sc_pcu_lock);
+ return 0;
+ return r;
+}
+
+
@ -214,7 +216,7 @@
return r;
}
@@ -823,28 +869,13 @@ static void ath_radio_enable(struct ath_
@@ -823,28 +871,13 @@ static void ath_radio_enable(struct ath_
channel->center_freq, r);
}
@ -244,7 +246,7 @@
spin_unlock_bh(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
@@ -857,11 +888,10 @@ void ath_radio_disable(struct ath_softc
@@ -857,11 +890,10 @@ void ath_radio_disable(struct ath_softc
int r;
ath9k_ps_wakeup(sc);
@ -258,7 +260,7 @@
/*
* Keep the LED on when the radio is disabled
@@ -872,13 +902,7 @@ void ath_radio_disable(struct ath_softc
@@ -872,13 +904,7 @@ void ath_radio_disable(struct ath_softc
ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
}
@ -273,7 +275,7 @@
if (!ah->curchan)
ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
@@ -900,48 +924,11 @@ void ath_radio_disable(struct ath_softc
@@ -900,49 +926,11 @@ void ath_radio_disable(struct ath_softc
static int ath_reset(struct ath_softc *sc, bool retry_tx)
{
@ -282,6 +284,7 @@
- struct ieee80211_hw *hw = sc->hw;
int r;
- sc->sc_flags &= ~SC_OP_HW_RESET;
- sc->hw_busy_count = 0;
-
- /* Stop ANI */
@ -323,7 +326,7 @@
if (retry_tx) {
int i;
@@ -954,12 +941,6 @@ static int ath_reset(struct ath_softc *s
@@ -955,12 +943,6 @@ static int ath_reset(struct ath_softc *s
}
}
@ -336,7 +339,7 @@
ath9k_ps_restore(sc);
return r;
@@ -969,9 +950,7 @@ void ath_reset_work(struct work_struct *
@@ -970,9 +952,7 @@ void ath_reset_work(struct work_struct *
{
struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work);
@ -346,7 +349,7 @@
}
void ath_hw_check(struct work_struct *work)
@@ -992,11 +971,8 @@ void ath_hw_check(struct work_struct *wo
@@ -993,11 +973,8 @@ void ath_hw_check(struct work_struct *wo
ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, "
"busy=%d (try %d)\n", busy, sc->hw_busy_count + 1);
if (busy >= 99) {
@ -360,7 +363,7 @@
} else if (busy >= 0)
sc->hw_busy_count = 0;
@@ -1016,9 +992,7 @@ static void ath_hw_pll_rx_hang_check(str
@@ -1017,9 +994,7 @@ static void ath_hw_pll_rx_hang_check(str
/* Rx is hung for more than 500ms. Reset it */
ath_dbg(common, ATH_DBG_RESET,
"Possible RX hang, resetting");
@ -371,7 +374,7 @@
count = 0;
}
} else
@@ -1089,28 +1063,6 @@ static int ath9k_start(struct ieee80211_
@@ -1090,28 +1065,6 @@ static int ath9k_start(struct ieee80211_
goto mutex_unlock;
}
@ -400,7 +403,7 @@
/* Setup our intr mask. */
ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL |
ATH9K_INT_RXORN | ATH9K_INT_FATAL |
@@ -1133,12 +1085,14 @@ static int ath9k_start(struct ieee80211_
@@ -1134,12 +1087,14 @@ static int ath9k_start(struct ieee80211_
/* Disable BMISS interrupt when we're not associated */
ah->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
@ -419,7 +422,7 @@
if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
!ah->btcoex_hw.enabled) {
@@ -1231,10 +1185,7 @@ static void ath9k_stop(struct ieee80211_
@@ -1232,10 +1187,7 @@ static void ath9k_stop(struct ieee80211_
mutex_lock(&sc->mutex);
@ -431,7 +434,7 @@
if (sc->sc_flags & SC_OP_INVALID) {
ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
@@ -2351,9 +2302,11 @@ static void ath9k_flush(struct ieee80211
@@ -2352,9 +2304,11 @@ static void ath9k_flush(struct ieee80211
ath9k_ps_wakeup(sc);
spin_lock_bh(&sc->sc_pcu_lock);
drain_txq = ath_drain_all_txq(sc, false);

8
package/mac80211/patches/583-ath9k_antenna_control.patch
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@ -57,7 +57,7 @@
}
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -654,6 +654,7 @@ struct ath_softc {
@@ -655,6 +655,7 @@ struct ath_softc {
struct ath_descdma txsdma;
struct ath_ant_comb ant_comb;
@ -65,7 +65,7 @@
};
void ath9k_tasklet(unsigned long data);
@@ -674,6 +675,7 @@ int ath9k_init_device(u16 devid, struct
@@ -675,6 +676,7 @@ int ath9k_init_device(u16 devid, struct
const struct ath_bus_ops *bus_ops);
void ath9k_deinit_device(struct ath_softc *sc);
void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
@ -98,7 +98,7 @@
ieee80211_wake_queues(sc->hw);
return true;
@@ -2383,6 +2399,59 @@ static int ath9k_get_stats(struct ieee80
@@ -2385,6 +2401,59 @@ static int ath9k_get_stats(struct ieee80
return 0;
}
@ -158,7 +158,7 @@
struct ieee80211_ops ath9k_ops = {
.tx = ath9k_tx,
.start = ath9k_start,
@@ -2409,4 +2478,6 @@ struct ieee80211_ops ath9k_ops = {
@@ -2411,4 +2480,6 @@ struct ieee80211_ops ath9k_ops = {
.tx_frames_pending = ath9k_tx_frames_pending,
.tx_last_beacon = ath9k_tx_last_beacon,
.get_stats = ath9k_get_stats,

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