ath9k: add some more pending fixes

SVN-Revision: 27276
lede-17.01
Felix Fietkau 2011-06-24 19:53:18 +00:00
parent c7744447a5
commit f85d10e1f3
2 changed files with 195 additions and 2 deletions

View File

@ -245,3 +245,196 @@
WLAN_STA_CLEAR_PS_FILT = 1<<9,
WLAN_STA_MFP = 1<<10,
WLAN_STA_BLOCK_BA = 1<<11,
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -384,7 +384,9 @@ 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);
}
return;
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -617,8 +617,11 @@ 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) {
- if (++sc->hw_busy_count >= 3)
+ 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;
@@ -637,7 +640,9 @@ 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");
+ spin_lock_bh(&sc->sc_pcu_lock);
ath_reset(sc, true);
+ spin_unlock_bh(&sc->sc_pcu_lock);
count = 0;
}
} else
@@ -674,7 +679,9 @@ 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);
return;
}
@@ -980,7 +987,6 @@ int ath_reset(struct ath_softc *sc, bool
del_timer_sync(&common->ani.timer);
ath9k_ps_wakeup(sc);
- spin_lock_bh(&sc->sc_pcu_lock);
ieee80211_stop_queues(hw);
@@ -1023,7 +1029,6 @@ int ath_reset(struct ath_softc *sc, bool
}
ieee80211_wake_queues(hw);
- spin_unlock_bh(&sc->sc_pcu_lock);
/* Start ANI */
if (!common->disable_ani)
@@ -2326,9 +2331,9 @@ 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);
- spin_unlock_bh(&sc->sc_pcu_lock);
if (!drain_txq)
ath_reset(sc, false);
+ spin_unlock_bh(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
ieee80211_wake_queues(hw);
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -565,11 +565,8 @@ static void ath_tx_complete_aggr(struct
rcu_read_unlock();
- if (needreset) {
- spin_unlock_bh(&sc->sc_pcu_lock);
+ if (needreset)
ath_reset(sc, false);
- spin_lock_bh(&sc->sc_pcu_lock);
- }
}
static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
@@ -2169,7 +2166,9 @@ 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_delayed_work(sc->hw, &sc->tx_complete_work,
--- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -236,7 +236,7 @@ static void ar9003_paprd_get_gain_table(
memset(entry, 0, sizeof(ah->paprd_gain_table_entries));
memset(index, 0, sizeof(ah->paprd_gain_table_index));
- for (i = 0; i < 32; i++) {
+ for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
entry[i] = REG_READ(ah, reg);
index[i] = (entry[i] >> 24) & 0xff;
reg += 4;
@@ -246,13 +246,13 @@ static void ar9003_paprd_get_gain_table(
static unsigned int ar9003_get_desired_gain(struct ath_hw *ah, int chain,
int target_power)
{
- int olpc_gain_delta = 0;
+ int olpc_gain_delta = 0, cl_gain_mod;
int alpha_therm, alpha_volt;
int therm_cal_value, volt_cal_value;
int therm_value, volt_value;
int thermal_gain_corr, voltage_gain_corr;
int desired_scale, desired_gain = 0;
- u32 reg;
+ u32 reg_olpc = 0, reg_cl_gain = 0;
REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
@@ -271,15 +271,29 @@ static unsigned int ar9003_get_desired_g
volt_value = REG_READ_FIELD(ah, AR_PHY_BB_THERM_ADC_4,
AR_PHY_BB_THERM_ADC_4_LATEST_VOLT_VALUE);
- if (chain == 0)
- reg = AR_PHY_TPC_11_B0;
- else if (chain == 1)
- reg = AR_PHY_TPC_11_B1;
- else
- reg = AR_PHY_TPC_11_B2;
+ switch (chain) {
+ case 0:
+ reg_olpc = AR_PHY_TPC_11_B0;
+ reg_cl_gain = AR_PHY_CL_TAB_0;
+ break;
+ case 1:
+ reg_olpc = AR_PHY_TPC_11_B1;
+ reg_cl_gain = AR_PHY_CL_TAB_1;
+ break;
+ case 2:
+ reg_olpc = AR_PHY_TPC_11_B2;
+ reg_cl_gain = AR_PHY_CL_TAB_2;
+ break;
+ default:
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "Invalid chainmask: %d\n", chain);
+ break;
+ }
- olpc_gain_delta = REG_READ_FIELD(ah, reg,
+ olpc_gain_delta = REG_READ_FIELD(ah, reg_olpc,
AR_PHY_TPC_11_OLPC_GAIN_DELTA);
+ cl_gain_mod = REG_READ_FIELD(ah, reg_cl_gain,
+ AR_PHY_CL_TAB_CL_GAIN_MOD);
if (olpc_gain_delta >= 128)
olpc_gain_delta = olpc_gain_delta - 256;
@@ -289,7 +303,7 @@ static unsigned int ar9003_get_desired_g
voltage_gain_corr = (alpha_volt * (volt_value - volt_cal_value) +
(128 / 2)) / 128;
desired_gain = target_power - olpc_gain_delta - thermal_gain_corr -
- voltage_gain_corr + desired_scale;
+ voltage_gain_corr + desired_scale + cl_gain_mod;
return desired_gain;
}
@@ -727,7 +741,7 @@ int ar9003_paprd_setup_gain_table(struct
desired_gain = ar9003_get_desired_gain(ah, chain, train_power);
gain_index = 0;
- for (i = 0; i < 32; i++) {
+ for (i = 0; i < PAPRD_GAIN_TABLE_ENTRIES; i++) {
if (ah->paprd_gain_table_index[i] >= desired_gain)
break;
gain_index++;
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -1121,6 +1121,9 @@
#define AR_PHY_POWERTX_RATE8_POWERTXHT40_5 0x3F00
#define AR_PHY_POWERTX_RATE8_POWERTXHT40_5_S 8
+#define AR_PHY_CL_TAB_CL_GAIN_MOD 0x1f
+#define AR_PHY_CL_TAB_CL_GAIN_MOD_S 0
+
void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
#endif /* AR9003_PHY_H */

View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1490,15 +1490,6 @@ static int ath9k_add_interface(struct ie
@@ -1495,15 +1495,6 @@ static int ath9k_add_interface(struct ie
}
}
@ -16,7 +16,7 @@
ath_dbg(common, ATH_DBG_CONFIG,
"Attach a VIF of type: %d\n", vif->type);
@@ -1524,15 +1515,6 @@ static int ath9k_change_interface(struct
@@ -1529,15 +1520,6 @@ static int ath9k_change_interface(struct
mutex_lock(&sc->mutex);
ath9k_ps_wakeup(sc);