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Code Activity

ath9k: add some more minor hw reset related fixes

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28129 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2011-08-30 07:46:38 +00:00
parent 0b45693152
commit 6d8d46d3c6
3 changed files with 79 additions and 37 deletions
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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;