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ath9k_htc: Use atomic operations for op_flags

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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-06-25 13:54:41 +05:30 committed by John W. Linville
parent fb1c078edb
commit d8a2c51cdc
6 changed files with 37 additions and 37 deletions
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2
drivers/net/wireless/ath/ath9k/htc.h
View File

@ -453,7 +453,6 @@ struct ath9k_htc_priv {
u8 num_sta_assoc_vif;
u8 num_ap_vif;
u16 op_flags;
u16 curtxpow;
u16 txpowlimit;
u16 nvifs;
@ -461,6 +460,7 @@ struct ath9k_htc_priv {
bool rearm_ani;
bool reconfig_beacon;
unsigned int rxfilter;
unsigned long op_flags;
struct ath9k_hw_cal_data caldata;
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];

10
drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
View File

@ -207,9 +207,9 @@ static void ath9k_htc_beacon_config_ap(struct ath9k_htc_priv *priv,
else
priv->ah->config.sw_beacon_response_time = MIN_SWBA_RESPONSE;
if (priv->op_flags & OP_TSF_RESET) {
if (test_bit(OP_TSF_RESET, &priv->op_flags)) {
ath9k_hw_reset_tsf(priv->ah);
priv->op_flags &= ~OP_TSF_RESET;
clear_bit(OP_TSF_RESET, &priv->op_flags);
} else {
/*
* Pull nexttbtt forward to reflect the current TSF.
@ -221,7 +221,7 @@ static void ath9k_htc_beacon_config_ap(struct ath9k_htc_priv *priv,
} while (nexttbtt < tsftu);
}
if (priv->op_flags & OP_ENABLE_BEACON)
if (test_bit(OP_ENABLE_BEACON, &priv->op_flags))
imask |= ATH9K_INT_SWBA;
ath_dbg(common, CONFIG,
@ -269,7 +269,7 @@ static void ath9k_htc_beacon_config_adhoc(struct ath9k_htc_priv *priv,
else
priv->ah->config.sw_beacon_response_time = MIN_SWBA_RESPONSE;
if (priv->op_flags & OP_ENABLE_BEACON)
if (test_bit(OP_ENABLE_BEACON, &priv->op_flags))
imask |= ATH9K_INT_SWBA;
ath_dbg(common, CONFIG,
@ -365,7 +365,7 @@ static void ath9k_htc_send_beacon(struct ath9k_htc_priv *priv,
vif = priv->cur_beacon_conf.bslot[slot];
avp = (struct ath9k_htc_vif *)vif->drv_priv;
if (unlikely(priv->op_flags & OP_SCANNING)) {
if (unlikely(test_bit(OP_SCANNING, &priv->op_flags))) {
spin_unlock_bh(&priv->beacon_lock);
return;
}

30
drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
View File

@ -37,17 +37,18 @@ static void ath_detect_bt_priority(struct ath9k_htc_priv *priv)
if (time_after(jiffies, btcoex->bt_priority_time +
msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
priv->op_flags &= ~(OP_BT_PRIORITY_DETECTED | OP_BT_SCAN);
clear_bit(OP_BT_PRIORITY_DETECTED, &priv->op_flags);
clear_bit(OP_BT_SCAN, &priv->op_flags);
/* Detect if colocated bt started scanning */
if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) {
ath_dbg(ath9k_hw_common(ah), BTCOEX,
"BT scan detected\n");
priv->op_flags |= (OP_BT_SCAN |
OP_BT_PRIORITY_DETECTED);
set_bit(OP_BT_PRIORITY_DETECTED, &priv->op_flags);
set_bit(OP_BT_SCAN, &priv->op_flags);
} else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
ath_dbg(ath9k_hw_common(ah), BTCOEX,
"BT priority traffic detected\n");
priv->op_flags |= OP_BT_PRIORITY_DETECTED;
set_bit(OP_BT_PRIORITY_DETECTED, &priv->op_flags);
}
btcoex->bt_priority_cnt = 0;
@ -67,26 +68,23 @@ static void ath_btcoex_period_work(struct work_struct *work)
struct ath_btcoex *btcoex = &priv->btcoex;
struct ath_common *common = ath9k_hw_common(priv->ah);
u32 timer_period;
bool is_btscan;
int ret;
ath_detect_bt_priority(priv);
is_btscan = !!(priv->op_flags & OP_BT_SCAN);
ret = ath9k_htc_update_cap_target(priv,
!!(priv->op_flags & OP_BT_PRIORITY_DETECTED));
test_bit(OP_BT_PRIORITY_DETECTED, &priv->op_flags));
if (ret) {
ath_err(common, "Unable to set BTCOEX parameters\n");
return;
}
ath9k_hw_btcoex_bt_stomp(priv->ah, is_btscan ? ATH_BTCOEX_STOMP_ALL :
btcoex->bt_stomp_type);
ath9k_hw_btcoex_bt_stomp(priv->ah, test_bit(OP_BT_SCAN, &priv->op_flags) ?
ATH_BTCOEX_STOMP_ALL : btcoex->bt_stomp_type);
ath9k_hw_btcoex_enable(priv->ah);
timer_period = is_btscan ? btcoex->btscan_no_stomp :
btcoex->btcoex_no_stomp;
timer_period = test_bit(OP_BT_SCAN, &priv->op_flags) ?
btcoex->btscan_no_stomp : btcoex->btcoex_no_stomp;
ieee80211_queue_delayed_work(priv->hw, &priv->duty_cycle_work,
msecs_to_jiffies(timer_period));
ieee80211_queue_delayed_work(priv->hw, &priv->coex_period_work,
@ -104,14 +102,15 @@ static void ath_btcoex_duty_cycle_work(struct work_struct *work)
struct ath_hw *ah = priv->ah;
struct ath_btcoex *btcoex = &priv->btcoex;
struct ath_common *common = ath9k_hw_common(ah);
bool is_btscan = priv->op_flags & OP_BT_SCAN;
ath_dbg(common, BTCOEX, "time slice work for bt and wlan\n");
if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || is_btscan)
if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW ||
test_bit(OP_BT_SCAN, &priv->op_flags))
ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE);
else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW);
ath9k_hw_btcoex_enable(priv->ah);
}
@ -141,7 +140,8 @@ static void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv)
btcoex->bt_priority_cnt = 0;
btcoex->bt_priority_time = jiffies;
priv->op_flags &= ~(OP_BT_PRIORITY_DETECTED | OP_BT_SCAN);
clear_bit(OP_BT_PRIORITY_DETECTED, &priv->op_flags);
clear_bit(OP_BT_SCAN, &priv->op_flags);
ieee80211_queue_delayed_work(priv->hw, &priv->coex_period_work, 0);
}

2
drivers/net/wireless/ath/ath9k/htc_drv_init.c
View File

@ -611,7 +611,7 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv,
struct ath_common *common;
int i, ret = 0, csz = 0;
priv->op_flags |= OP_INVALID;
set_bit(OP_INVALID, &priv->op_flags);
ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
if (!ah)

28
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -250,7 +250,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
u8 cmd_rsp;
int ret;
if (priv->op_flags & OP_INVALID)
if (test_bit(OP_INVALID, &priv->op_flags))
return -EIO;
fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL);
@ -304,7 +304,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
htc_start(priv->htc);
if (!(priv->op_flags & OP_SCANNING) &&
if (!test_bit(OP_SCANNING, &priv->op_flags) &&
!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
ath9k_htc_vif_reconfig(priv);
@ -750,7 +750,7 @@ void ath9k_htc_start_ani(struct ath9k_htc_priv *priv)
common->ani.shortcal_timer = timestamp;
common->ani.checkani_timer = timestamp;
priv->op_flags |= OP_ANI_RUNNING;
set_bit(OP_ANI_RUNNING, &priv->op_flags);
ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
@ -759,7 +759,7 @@ void ath9k_htc_start_ani(struct ath9k_htc_priv *priv)
void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv)
{
cancel_delayed_work_sync(&priv->ani_work);
priv->op_flags &= ~OP_ANI_RUNNING;
clear_bit(OP_ANI_RUNNING, &priv->op_flags);
}
void ath9k_htc_ani_work(struct work_struct *work)
@ -944,7 +944,7 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
ath_dbg(common, CONFIG,
"Failed to update capability in target\n");
priv->op_flags &= ~OP_INVALID;
clear_bit(OP_INVALID, &priv->op_flags);
htc_start(priv->htc);
spin_lock_bh(&priv->tx.tx_lock);
@ -973,7 +973,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
mutex_lock(&priv->mutex);
if (priv->op_flags & OP_INVALID) {
if (test_bit(OP_INVALID, &priv->op_flags)) {
ath_dbg(common, ANY, "Device not present\n");
mutex_unlock(&priv->mutex);
return;
@ -1015,7 +1015,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
ath9k_htc_ps_restore(priv);
ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);
priv->op_flags |= OP_INVALID;
set_bit(OP_INVALID, &priv->op_flags);
ath_dbg(common, CONFIG, "Driver halt\n");
mutex_unlock(&priv->mutex);
@ -1105,7 +1105,7 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
ath9k_htc_set_opmode(priv);
if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
!(priv->op_flags & OP_ANI_RUNNING)) {
!test_bit(OP_ANI_RUNNING, &priv->op_flags)) {
ath9k_hw_set_tsfadjust(priv->ah, 1);
ath9k_htc_start_ani(priv);
}
@ -1285,7 +1285,7 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
changed_flags &= SUPPORTED_FILTERS;
*total_flags &= SUPPORTED_FILTERS;
if (priv->op_flags & OP_INVALID) {
if (test_bit(OP_INVALID, &priv->op_flags)) {
ath_dbg(ath9k_hw_common(priv->ah), ANY,
"Unable to configure filter on invalid state\n");
mutex_unlock(&priv->mutex);
@ -1517,7 +1517,7 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
ath_dbg(common, CONFIG, "Beacon enabled for BSS: %pM\n",
bss_conf->bssid);
ath9k_htc_set_tsfadjust(priv, vif);
priv->op_flags |= OP_ENABLE_BEACON;
set_bit(OP_ENABLE_BEACON, &priv->op_flags);
ath9k_htc_beacon_config(priv, vif);
}
@ -1530,7 +1530,7 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
ath_dbg(common, CONFIG,
"Beacon disabled for BSS: %pM\n",
bss_conf->bssid);
priv->op_flags &= ~OP_ENABLE_BEACON;
clear_bit(OP_ENABLE_BEACON, &priv->op_flags);
ath9k_htc_beacon_config(priv, vif);
}
}
@ -1543,7 +1543,7 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
(priv->nvifs == 1) &&
(priv->num_ap_vif == 1) &&
(vif->type == NL80211_IFTYPE_AP)) {
priv->op_flags |= OP_TSF_RESET;
set_bit(OP_TSF_RESET, &priv->op_flags);
}
ath_dbg(common, CONFIG,
"Beacon interval changed for BSS: %pM\n",
@ -1655,7 +1655,7 @@ static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
mutex_lock(&priv->mutex);
spin_lock_bh(&priv->beacon_lock);
priv->op_flags |= OP_SCANNING;
set_bit(OP_SCANNING, &priv->op_flags);
spin_unlock_bh(&priv->beacon_lock);
cancel_work_sync(&priv->ps_work);
ath9k_htc_stop_ani(priv);
@ -1668,7 +1668,7 @@ static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw)
mutex_lock(&priv->mutex);
spin_lock_bh(&priv->beacon_lock);
priv->op_flags &= ~OP_SCANNING;
clear_bit(OP_SCANNING, &priv->op_flags);
spin_unlock_bh(&priv->beacon_lock);
ath9k_htc_ps_wakeup(priv);
ath9k_htc_vif_reconfig(priv);

2
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
View File

@ -916,7 +916,7 @@ void ath9k_host_rx_init(struct ath9k_htc_priv *priv)
{
ath9k_hw_rxena(priv->ah);
ath9k_htc_opmode_init(priv);
ath9k_hw_startpcureceive(priv->ah, (priv->op_flags & OP_SCANNING));
ath9k_hw_startpcureceive(priv->ah, test_bit(OP_SCANNING, &priv->op_flags));
priv->rx.last_rssi = ATH_RSSI_DUMMY_MARKER;
}