diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-scan.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-scan.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 07fabbbfd567..08faafae8497 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c | |||
@@ -201,7 +201,8 @@ static void iwl_rx_scan_results_notif(struct iwl_priv *priv, | |||
201 | le32_to_cpu(notif->tsf_low) - priv->scan_start_tsf); | 201 | le32_to_cpu(notif->tsf_low) - priv->scan_start_tsf); |
202 | #endif | 202 | #endif |
203 | 203 | ||
204 | priv->next_scan_jiffies = 0; | 204 | if (!priv->is_internal_short_scan) |
205 | priv->next_scan_jiffies = 0; | ||
205 | } | 206 | } |
206 | 207 | ||
207 | /* Service SCAN_COMPLETE_NOTIFICATION (0x84) */ | 208 | /* Service SCAN_COMPLETE_NOTIFICATION (0x84) */ |
@@ -247,7 +248,11 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, | |||
247 | goto reschedule; | 248 | goto reschedule; |
248 | } | 249 | } |
249 | 250 | ||
250 | priv->next_scan_jiffies = 0; | 251 | if (!priv->is_internal_short_scan) |
252 | priv->next_scan_jiffies = 0; | ||
253 | else | ||
254 | priv->last_internal_scan_jiffies = jiffies; | ||
255 | |||
251 | IWL_DEBUG_INFO(priv, "Setting scan to off\n"); | 256 | IWL_DEBUG_INFO(priv, "Setting scan to off\n"); |
252 | 257 | ||
253 | clear_bit(STATUS_SCANNING, &priv->status); | 258 | clear_bit(STATUS_SCANNING, &priv->status); |
@@ -546,6 +551,8 @@ EXPORT_SYMBOL(iwl_mac_hw_scan); | |||
546 | * internal short scan, this function should only been called while associated. | 551 | * internal short scan, this function should only been called while associated. |
547 | * It will reset and tune the radio to prevent possible RF related problem | 552 | * It will reset and tune the radio to prevent possible RF related problem |
548 | */ | 553 | */ |
554 | #define IWL_DELAY_NEXT_INTERNAL_SCAN (HZ*1) | ||
555 | |||
549 | int iwl_internal_short_hw_scan(struct iwl_priv *priv) | 556 | int iwl_internal_short_hw_scan(struct iwl_priv *priv) |
550 | { | 557 | { |
551 | int ret = 0; | 558 | int ret = 0; |
@@ -565,6 +572,13 @@ int iwl_internal_short_hw_scan(struct iwl_priv *priv) | |||
565 | ret = -EAGAIN; | 572 | ret = -EAGAIN; |
566 | goto out; | 573 | goto out; |
567 | } | 574 | } |
575 | if (priv->last_internal_scan_jiffies && | ||
576 | time_after(priv->last_internal_scan_jiffies + | ||
577 | IWL_DELAY_NEXT_INTERNAL_SCAN, jiffies)) { | ||
578 | IWL_DEBUG_SCAN(priv, "internal scan rejected\n"); | ||
579 | goto out; | ||
580 | } | ||
581 | |||
568 | priv->scan_bands = 0; | 582 | priv->scan_bands = 0; |
569 | if (priv->band == IEEE80211_BAND_5GHZ) | 583 | if (priv->band == IEEE80211_BAND_5GHZ) |
570 | priv->scan_bands |= BIT(IEEE80211_BAND_5GHZ); | 584 | priv->scan_bands |= BIT(IEEE80211_BAND_5GHZ); |