diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-6000.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-calib.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-eeprom.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-scan.c | 31 |
8 files changed, 41 insertions, 15 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index dd03384432f..f5d0665fd88 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -261,7 +261,7 @@ static struct iwl_lib_ops iwl6000_lib = { EEPROM_REG_BAND_3_CHANNELS, EEPROM_REG_BAND_4_CHANNELS, EEPROM_REG_BAND_5_CHANNELS, - EEPROM_REG_BAND_24_HT40_CHANNELS, + EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REG_BAND_52_HT40_CHANNELS }, .verify_signature = iwlcore_eeprom_verify_signature, @@ -328,7 +328,7 @@ static struct iwl_lib_ops iwl6050_lib = { EEPROM_REG_BAND_3_CHANNELS, EEPROM_REG_BAND_4_CHANNELS, EEPROM_REG_BAND_5_CHANNELS, - EEPROM_REG_BAND_24_HT40_CHANNELS, + EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REG_BAND_52_HT40_CHANNELS }, .verify_signature = iwlcore_eeprom_verify_signature, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 8a002c6f3a6..955315b2643 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -3304,6 +3304,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) cancel_delayed_work_sync(&priv->init_alive_start); cancel_delayed_work(&priv->scan_check); + cancel_work_sync(&priv->start_internal_scan); cancel_delayed_work(&priv->alive_start); cancel_work_sync(&priv->beacon_update); del_timer_sync(&priv->statistics_periodic); diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index dbb50a8e0ce..dca20b12499 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -807,6 +807,18 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, } } + /* + * The above algorithm sometimes fails when the ucode + * reports 0 for all chains. It's not clear why that + * happens to start with, but it is then causing trouble + * because this can make us enable more chains than the + * hardware really has. + * + * To be safe, simply mask out any chains that we know + * are not on the device. + */ + active_chains &= priv->hw_params.valid_rx_ant; + num_tx_chains = 0; for (i = 0; i < NUM_RX_CHAINS; i++) { /* loops on all the bits of diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index f09bff823ab..73f5fc6c35d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2801,7 +2801,6 @@ static void iwl_force_rf_reset(struct iwl_priv *priv) */ IWL_DEBUG_INFO(priv, "perform radio reset.\n"); iwl_internal_short_hw_scan(priv); - return; } diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index d89755f5031..6c3f0127f74 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -502,7 +502,7 @@ void iwl_init_scan_params(struct iwl_priv *priv); int iwl_scan_cancel(struct iwl_priv *priv); int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); int iwl_mac_hw_scan(struct ieee80211_hw *hw, struct cfg80211_scan_request *req); -int iwl_internal_short_hw_scan(struct iwl_priv *priv); +void iwl_internal_short_hw_scan(struct iwl_priv *priv); int iwl_force_reset(struct iwl_priv *priv, int mode); u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, const u8 *ie, int ie_len, int left); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 9466e909f55..b2d94c7c645 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1264,6 +1264,7 @@ struct iwl_priv { struct work_struct tt_work; struct work_struct ct_enter; struct work_struct ct_exit; + struct work_struct start_internal_scan; struct tasklet_struct irq_tasklet; diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h index cb6d50b7814..ef0e3256eec 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h @@ -203,6 +203,10 @@ struct iwl_eeprom_enhanced_txpwr { #define EEPROM_REG_BAND_52_HT40_CHANNELS ((0x92)\ | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 22 bytes */ +/* 6000 regulatory - indirect access */ +#define EEPROM_6000_REG_BAND_24_HT40_CHANNELS ((0x80)\ + | INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 14 bytes */ + /* 6000 and up regulatory tx power - indirect access */ /* max. elements per section */ #define EEPROM_MAX_TXPOWER_SECTION_ELEMENTS (8) diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index d817c9c184a..c3b06c4b6f3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -469,6 +469,8 @@ EXPORT_SYMBOL(iwl_init_scan_params); static int iwl_scan_initiate(struct iwl_priv *priv) { + WARN_ON(!mutex_is_locked(&priv->mutex)); + IWL_DEBUG_INFO(priv, "Starting scan...\n"); set_bit(STATUS_SCANNING, &priv->status); priv->is_internal_short_scan = false; @@ -546,24 +548,31 @@ EXPORT_SYMBOL(iwl_mac_hw_scan); * internal short scan, this function should only been called while associated. * It will reset and tune the radio to prevent possible RF related problem */ -int iwl_internal_short_hw_scan(struct iwl_priv *priv) +void iwl_internal_short_hw_scan(struct iwl_priv *priv) { - int ret = 0; + queue_work(priv->workqueue, &priv->start_internal_scan); +} + +static void iwl_bg_start_internal_scan(struct work_struct *work) +{ + struct iwl_priv *priv = + container_of(work, struct iwl_priv, start_internal_scan); + + mutex_lock(&priv->mutex); if (!iwl_is_ready_rf(priv)) { - ret = -EIO; IWL_DEBUG_SCAN(priv, "not ready or exit pending\n"); - goto out; + goto unlock; } + if (test_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); - ret = -EAGAIN; - goto out; + goto unlock; } + if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan request while abort pending\n"); - ret = -EAGAIN; - goto out; + goto unlock; } priv->scan_bands = 0; @@ -576,9 +585,8 @@ int iwl_internal_short_hw_scan(struct iwl_priv *priv) set_bit(STATUS_SCANNING, &priv->status); priv->is_internal_short_scan = true; queue_work(priv->workqueue, &priv->request_scan); - -out: - return ret; + unlock: + mutex_unlock(&priv->mutex); } #define IWL_SCAN_CHECK_WATCHDOG (7 * HZ) @@ -962,6 +970,7 @@ void iwl_setup_scan_deferred_work(struct iwl_priv *priv) INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed); INIT_WORK(&priv->request_scan, iwl_bg_request_scan); INIT_WORK(&priv->abort_scan, iwl_bg_abort_scan); + INIT_WORK(&priv->start_internal_scan, iwl_bg_start_internal_scan); INIT_DELAYED_WORK(&priv->scan_check, iwl_bg_scan_check); } EXPORT_SYMBOL(iwl_setup_scan_deferred_work); |