iwlwifi: kill iwl3945_scan_cancel and iwl3945_scan_cancel_timeout

This patch removes iwl3945_scan_cancel and iwl3945_scan_cancel_timeout
because iwl_scan_cancel iwl_scan_cancel_timeout are just same.
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -1734,58 +1734,6 @@ static int iwl3945_send_power_mode(struct iwl_priv *priv, u32 mode)
 	return rc;
 }
 
-/**
- * iwl3945_scan_cancel - Cancel any currently executing HW scan
- *
- * NOTE: priv->mutex is not required before calling this function
- */
-static int iwl3945_scan_cancel(struct iwl_priv *priv)
-{
-	if (!test_bit(STATUS_SCAN_HW, &priv->status)) {
-		clear_bit(STATUS_SCANNING, &priv->status);
-		return 0;
-	}
-
-	if (test_bit(STATUS_SCANNING, &priv->status)) {
-		if (!test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
-			IWL_DEBUG_SCAN("Queuing scan abort.\n");
-			set_bit(STATUS_SCAN_ABORTING, &priv->status);
-			queue_work(priv->workqueue, &priv->abort_scan);
-
-		} else
-			IWL_DEBUG_SCAN("Scan abort already in progress.\n");
-
-		return test_bit(STATUS_SCANNING, &priv->status);
-	}
-
-	return 0;
-}
-
-/**
- * iwl3945_scan_cancel_timeout - Cancel any currently executing HW scan
- * @ms: amount of time to wait (in milliseconds) for scan to abort
- *
- * NOTE: priv->mutex must be held before calling this function
- */
-static int iwl3945_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms)
-{
-	unsigned long now = jiffies;
-	int ret;
-
-	ret = iwl3945_scan_cancel(priv);
-	if (ret && ms) {
-		mutex_unlock(&priv->mutex);
-		while (!time_after(jiffies, now + msecs_to_jiffies(ms)) &&
-				test_bit(STATUS_SCANNING, &priv->status))
-			msleep(1);
-		mutex_lock(&priv->mutex);
-
-		return test_bit(STATUS_SCANNING, &priv->status);
-	}
-
-	return ret;
-}
-
 #define MAX_UCODE_BEACON_INTERVAL	1024
 #define INTEL_CONN_LISTEN_INTERVAL	__constant_cpu_to_le16(0xA)
 
@@ -2022,7 +1970,7 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode)
 		return -EAGAIN;
 
 	cancel_delayed_work(&priv->scan_check);
-	if (iwl3945_scan_cancel_timeout(priv, 100)) {
+	if (iwl_scan_cancel_timeout(priv, 100)) {
 		IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
 		IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
 		return -EAGAIN;
@@ -2502,7 +2450,7 @@ static void iwl3945_radio_kill_sw(struct iwl_priv *priv, int disable_radio)
 			  disable_radio ? "OFF" : "ON");
 
 	if (disable_radio) {
-		iwl3945_scan_cancel(priv);
+		iwl_scan_cancel(priv);
 		/* FIXME: This is a workaround for AP */
 		if (priv->iw_mode != NL80211_IFTYPE_AP) {
 			spin_lock_irqsave(&priv->lock, flags);
@@ -3014,7 +2962,7 @@ static void iwl3945_rx_card_state_notif(struct iwl_priv *priv,
 	else
 		clear_bit(STATUS_RF_KILL_SW, &priv->status);
 
-	iwl3945_scan_cancel(priv);
+	iwl_scan_cancel(priv);
 
 	if ((test_bit(STATUS_RF_KILL_HW, &status) !=
 	     test_bit(STATUS_RF_KILL_HW, &priv->status)) ||
@@ -5800,7 +5748,7 @@ static void iwl3945_post_associate(struct iwl_priv *priv)
 	if (!priv->vif || !priv->is_open)
 		return;
 
-	iwl3945_scan_cancel_timeout(priv, 200);
+	iwl_scan_cancel_timeout(priv, 200);
 
 	conf = ieee80211_get_hw_conf(priv->hw);
 
@@ -6001,7 +5949,7 @@ static void iwl3945_mac_stop(struct ieee80211_hw *hw)
 		 * RXON_FILTER_ASSOC_MSK BIT
 		 */
 		mutex_lock(&priv->mutex);
-		iwl3945_scan_cancel_timeout(priv, 100);
+		iwl_scan_cancel_timeout(priv, 100);
 		mutex_unlock(&priv->mutex);
 	}
 
@@ -6279,7 +6227,7 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw,
 	    !is_multicast_ether_addr(conf->bssid)) {
 		/* If there is currently a HW scan going on in the background
 		 * then we need to cancel it else the RXON below will fail. */
-		if (iwl3945_scan_cancel_timeout(priv, 100)) {
+		if (iwl_scan_cancel_timeout(priv, 100)) {
 			IWL_WARN(priv, "Aborted scan still in progress "
 				    "after 100ms\n");
 			IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
@@ -6304,7 +6252,7 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw,
 		}
 
 	} else {
-		iwl3945_scan_cancel_timeout(priv, 100);
+		iwl_scan_cancel_timeout(priv, 100);
 		priv->staging39_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 		iwl3945_commit_rxon(priv);
 	}
@@ -6372,7 +6320,7 @@ static void iwl3945_mac_remove_interface(struct ieee80211_hw *hw,
 	mutex_lock(&priv->mutex);
 
 	if (iwl_is_ready_rf(priv)) {
-		iwl3945_scan_cancel_timeout(priv, 100);
+		iwl_scan_cancel_timeout(priv, 100);
 		priv->staging39_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 		iwl3945_commit_rxon(priv);
 	}
@@ -6520,7 +6468,7 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
 	mutex_lock(&priv->mutex);
 
-	iwl3945_scan_cancel_timeout(priv, 100);
+	iwl_scan_cancel_timeout(priv, 100);
 
 	switch (cmd) {
 	case  SET_KEY:
@@ -6670,7 +6618,7 @@ static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw)
 	 * clear RXON_FILTER_ASSOC_MSK bit
 	*/
 	if (priv->iw_mode != NL80211_IFTYPE_AP) {
-		iwl3945_scan_cancel_timeout(priv, 100);
+		iwl_scan_cancel_timeout(priv, 100);
 		priv->staging39_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 		iwl3945_commit_rxon(priv);
 	}
@@ -6829,7 +6777,7 @@ static ssize_t store_flags(struct device *d,
 	mutex_lock(&priv->mutex);
 	if (le32_to_cpu(priv->staging39_rxon.flags) != flags) {
 		/* Cancel any currently running scans... */
-		if (iwl3945_scan_cancel_timeout(priv, 100))
+		if (iwl_scan_cancel_timeout(priv, 100))
 			IWL_WARN(priv, "Could not cancel scan.\n");
 		else {
 			IWL_DEBUG_INFO("Committing rxon.flags = 0x%04X\n",
@@ -6864,7 +6812,7 @@ static ssize_t store_filter_flags(struct device *d,
 	mutex_lock(&priv->mutex);
 	if (le32_to_cpu(priv->staging39_rxon.filter_flags) != filter_flags) {
 		/* Cancel any currently running scans... */
-		if (iwl3945_scan_cancel_timeout(priv, 100))
+		if (iwl_scan_cancel_timeout(priv, 100))
 			IWL_WARN(priv, "Could not cancel scan.\n");
 		else {
 			IWL_DEBUG_INFO("Committing rxon.filter_flags = "