1 files changed, 7 insertions, 631 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index cda6a94..63c0ab4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -192,47 +192,6 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
 	IWL_DEBUG_POWER(priv, "Sleep command for index %d\n", lvl + 1);
 }
 
-/* default Thermal Throttling transaction table
- * Current state   |         Throttling Down               |  Throttling Up
- *=============================================================================
- *                 Condition Nxt State  Condition Nxt State Condition Nxt State
- *-----------------------------------------------------------------------------
- *     IWL_TI_0     T >= 114   CT_KILL  114>T>=105   TI_1      N/A      N/A
- *     IWL_TI_1     T >= 114   CT_KILL  114>T>=110   TI_2     T<=95     TI_0
- *     IWL_TI_2     T >= 114   CT_KILL                        T<=100    TI_1
- *    IWL_CT_KILL      N/A       N/A       N/A        N/A     T<=95     TI_0
- *=============================================================================
- */
-static const struct iwl_tt_trans tt_range_0[IWL_TI_STATE_MAX - 1] = {
-	{IWL_TI_0, IWL_ABSOLUTE_ZERO, 104},
-	{IWL_TI_1, 105, CT_KILL_THRESHOLD - 1},
-	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX}
-};
-static const struct iwl_tt_trans tt_range_1[IWL_TI_STATE_MAX - 1] = {
-	{IWL_TI_0, IWL_ABSOLUTE_ZERO, 95},
-	{IWL_TI_2, 110, CT_KILL_THRESHOLD - 1},
-	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX}
-};
-static const struct iwl_tt_trans tt_range_2[IWL_TI_STATE_MAX - 1] = {
-	{IWL_TI_1, IWL_ABSOLUTE_ZERO, 100},
-	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX},
-	{IWL_TI_CT_KILL, CT_KILL_THRESHOLD, IWL_ABSOLUTE_MAX}
-};
-static const struct iwl_tt_trans tt_range_3[IWL_TI_STATE_MAX - 1] = {
-	{IWL_TI_0, IWL_ABSOLUTE_ZERO, CT_KILL_EXIT_THRESHOLD},
-	{IWL_TI_CT_KILL, CT_KILL_EXIT_THRESHOLD + 1, IWL_ABSOLUTE_MAX},
-	{IWL_TI_CT_KILL, CT_KILL_EXIT_THRESHOLD + 1, IWL_ABSOLUTE_MAX}
-};
-
-/* Advance Thermal Throttling default restriction table */
-static const struct iwl_tt_restriction restriction_range[IWL_TI_STATE_MAX] = {
-	{IWL_ANT_OK_MULTI, IWL_ANT_OK_MULTI, true },
-	{IWL_ANT_OK_SINGLE, IWL_ANT_OK_MULTI, true },
-	{IWL_ANT_OK_SINGLE, IWL_ANT_OK_SINGLE, false },
-	{IWL_ANT_OK_NONE, IWL_ANT_OK_NONE, false }
-};
-
-
 static void iwl_power_sleep_cam_cmd(struct iwl_priv *priv,
 				    struct iwl_powertable_cmd *cmd)
 {
@@ -308,7 +267,6 @@ static int iwl_set_power(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd)
 int iwl_power_update_mode(struct iwl_priv *priv, bool force)
 {
 	int ret = 0;
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 	bool enabled = priv->hw->conf.flags & IEEE80211_CONF_PS;
 	bool update_chains;
 	struct iwl_powertable_cmd cmd;
@@ -325,9 +283,13 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force)
 	else if (priv->cfg->supports_idle &&
 		 priv->hw->conf.flags & IEEE80211_CONF_IDLE)
 		iwl_static_sleep_cmd(priv, &cmd, IWL_POWER_INDEX_5, 20);
-	else if (tt->state >= IWL_TI_1)
-		iwl_static_sleep_cmd(priv, &cmd, tt->tt_power_mode, dtimper);
-	else if (!enabled)
+	else if (priv->cfg->ops->lib->tt_ops.lower_power_detection &&
+		 priv->cfg->ops->lib->tt_ops.tt_power_mode &&
+		 priv->cfg->ops->lib->tt_ops.lower_power_detection(priv)) {
+		/* in thermal throttling low power state */
+		iwl_static_sleep_cmd(priv, &cmd,
+		    priv->cfg->ops->lib->tt_ops.tt_power_mode(priv), dtimper);
+	} else if (!enabled)
 		iwl_power_sleep_cam_cmd(priv, &cmd);
 	else if (priv->power_data.debug_sleep_level_override >= 0)
 		iwl_static_sleep_cmd(priv, &cmd,
@@ -367,592 +329,6 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force)
 }
 EXPORT_SYMBOL(iwl_power_update_mode);
 
-bool iwl_ht_enabled(struct iwl_priv *priv)
-{
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-	struct iwl_tt_restriction *restriction;
-
-	if (!priv->thermal_throttle.advanced_tt)
-		return true;
-	restriction = tt->restriction + tt->state;
-	return restriction->is_ht;
-}
-EXPORT_SYMBOL(iwl_ht_enabled);
-
-bool iwl_within_ct_kill_margin(struct iwl_priv *priv)
-{
-	s32 temp = priv->temperature; /* degrees CELSIUS except specified */
-	bool within_margin = false;
-
-	if (priv->cfg->temperature_kelvin)
-		temp = KELVIN_TO_CELSIUS(priv->temperature);
-
-	if (!priv->thermal_throttle.advanced_tt)
-		within_margin = ((temp + IWL_TT_CT_KILL_MARGIN) >=
-				CT_KILL_THRESHOLD_LEGACY) ? true : false;
-	else
-		within_margin = ((temp + IWL_TT_CT_KILL_MARGIN) >=
-				CT_KILL_THRESHOLD) ? true : false;
-	return within_margin;
-}
-
-enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv)
-{
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-	struct iwl_tt_restriction *restriction;
-
-	if (!priv->thermal_throttle.advanced_tt)
-		return IWL_ANT_OK_MULTI;
-	restriction = tt->restriction + tt->state;
-	return restriction->tx_stream;
-}
-EXPORT_SYMBOL(iwl_tx_ant_restriction);
-
-enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv)
-{
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-	struct iwl_tt_restriction *restriction;
-
-	if (!priv->thermal_throttle.advanced_tt)
-		return IWL_ANT_OK_MULTI;
-	restriction = tt->restriction + tt->state;
-	return restriction->rx_stream;
-}
-
-#define CT_KILL_EXIT_DURATION (5)	/* 5 seconds duration */
-#define CT_KILL_WAITING_DURATION (300)	/* 300ms duration */
-
-/*
- * toggle the bit to wake up uCode and check the temperature
- * if the temperature is below CT, uCode will stay awake and send card
- * state notification with CT_KILL bit clear to inform Thermal Throttling
- * Management to change state. Otherwise, uCode will go back to sleep
- * without doing anything, driver should continue the 5 seconds timer
- * to wake up uCode for temperature check until temperature drop below CT
- */
-static void iwl_tt_check_exit_ct_kill(unsigned long data)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)data;
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-	unsigned long flags;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	if (tt->state == IWL_TI_CT_KILL) {
-		if (priv->thermal_throttle.ct_kill_toggle) {
-			iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
-				    CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
-			priv->thermal_throttle.ct_kill_toggle = false;
-		} else {
-			iwl_write32(priv, CSR_UCODE_DRV_GP1_SET,
-				    CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
-			priv->thermal_throttle.ct_kill_toggle = true;
-		}
-		iwl_read32(priv, CSR_UCODE_DRV_GP1);
-		spin_lock_irqsave(&priv->reg_lock, flags);
-		if (!iwl_grab_nic_access(priv))
-			iwl_release_nic_access(priv);
-		spin_unlock_irqrestore(&priv->reg_lock, flags);
-
-		/* Reschedule the ct_kill timer to occur in
-		 * CT_KILL_EXIT_DURATION seconds to ensure we get a
-		 * thermal update */
-		IWL_DEBUG_POWER(priv, "schedule ct_kill exit timer\n");
-		mod_timer(&priv->thermal_throttle.ct_kill_exit_tm, jiffies +
-			  CT_KILL_EXIT_DURATION * HZ);
-	}
-}
-
-static void iwl_perform_ct_kill_task(struct iwl_priv *priv,
-			   bool stop)
-{
-	if (stop) {
-		IWL_DEBUG_POWER(priv, "Stop all queues\n");
-		if (priv->mac80211_registered)
-			ieee80211_stop_queues(priv->hw);
-		IWL_DEBUG_POWER(priv,
-				"Schedule 5 seconds CT_KILL Timer\n");
-		mod_timer(&priv->thermal_throttle.ct_kill_exit_tm, jiffies +
-			  CT_KILL_EXIT_DURATION * HZ);
-	} else {
-		IWL_DEBUG_POWER(priv, "Wake all queues\n");
-		if (priv->mac80211_registered)
-			ieee80211_wake_queues(priv->hw);
-	}
-}
-
-static void iwl_tt_ready_for_ct_kill(unsigned long data)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)data;
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	/* temperature timer expired, ready to go into CT_KILL state */
-	if (tt->state != IWL_TI_CT_KILL) {
-		IWL_DEBUG_POWER(priv, "entering CT_KILL state when temperature timer expired\n");
-		tt->state = IWL_TI_CT_KILL;
-		set_bit(STATUS_CT_KILL, &priv->status);
-		iwl_perform_ct_kill_task(priv, true);
-	}
-}
-
-static void iwl_prepare_ct_kill_task(struct iwl_priv *priv)
-{
-	IWL_DEBUG_POWER(priv, "Prepare to enter IWL_TI_CT_KILL\n");
-	/* make request to retrieve statistics information */
-	iwl_send_statistics_request(priv, CMD_SYNC, false);
-	/* Reschedule the ct_kill wait timer */
-	mod_timer(&priv->thermal_throttle.ct_kill_waiting_tm,
-		 jiffies + msecs_to_jiffies(CT_KILL_WAITING_DURATION));
-}
-
-#define IWL_MINIMAL_POWER_THRESHOLD		(CT_KILL_THRESHOLD_LEGACY)
-#define IWL_REDUCED_PERFORMANCE_THRESHOLD_2	(100)
-#define IWL_REDUCED_PERFORMANCE_THRESHOLD_1	(90)
-
-/*
- * Legacy thermal throttling
- * 1) Avoid NIC destruction due to high temperatures
- *	Chip will identify dangerously high temperatures that can
- *	harm the device and will power down
- * 2) Avoid the NIC power down due to high temperature
- *	Throttle early enough to lower the power consumption before
- *	drastic steps are needed
- */
-static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
-{
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-	enum iwl_tt_state old_state;
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	if ((tt->tt_previous_temp) &&
-	    (temp > tt->tt_previous_temp) &&
-	    ((temp - tt->tt_previous_temp) >
-	    IWL_TT_INCREASE_MARGIN)) {
-		IWL_DEBUG_POWER(priv,
-			"Temperature increase %d degree Celsius\n",
-			(temp - tt->tt_previous_temp));
-	}
-#endif
-	old_state = tt->state;
-	/* in Celsius */
-	if (temp >= IWL_MINIMAL_POWER_THRESHOLD)
-		tt->state = IWL_TI_CT_KILL;
-	else if (temp >= IWL_REDUCED_PERFORMANCE_THRESHOLD_2)
-		tt->state = IWL_TI_2;
-	else if (temp >= IWL_REDUCED_PERFORMANCE_THRESHOLD_1)
-		tt->state = IWL_TI_1;
-	else
-		tt->state = IWL_TI_0;
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	tt->tt_previous_temp = temp;
-#endif
-	/* stop ct_kill_waiting_tm timer */
-	del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
-	if (tt->state != old_state) {
-		switch (tt->state) {
-		case IWL_TI_0:
-			/*
-			 * When the system is ready to go back to IWL_TI_0
-			 * we only have to call iwl_power_update_mode() to
-			 * do so.
-			 */
-			break;
-		case IWL_TI_1:
-			tt->tt_power_mode = IWL_POWER_INDEX_3;
-			break;
-		case IWL_TI_2:
-			tt->tt_power_mode = IWL_POWER_INDEX_4;
-			break;
-		default:
-			tt->tt_power_mode = IWL_POWER_INDEX_5;
-			break;
-		}
-		mutex_lock(&priv->mutex);
-		if (old_state == IWL_TI_CT_KILL)
-			clear_bit(STATUS_CT_KILL, &priv->status);
-		if (tt->state != IWL_TI_CT_KILL &&
-		    iwl_power_update_mode(priv, true)) {
-			/* TT state not updated
-			 * try again during next temperature read
-			 */
-			if (old_state == IWL_TI_CT_KILL)
-				set_bit(STATUS_CT_KILL, &priv->status);
-			tt->state = old_state;
-			IWL_ERR(priv, "Cannot update power mode, "
-					"TT state not updated\n");
-		} else {
-			if (tt->state == IWL_TI_CT_KILL) {
-				if (force) {
-					set_bit(STATUS_CT_KILL, &priv->status);
-					iwl_perform_ct_kill_task(priv, true);
-				} else {
-					iwl_prepare_ct_kill_task(priv);
-					tt->state = old_state;
-				}
-			} else if (old_state == IWL_TI_CT_KILL &&
-				 tt->state != IWL_TI_CT_KILL)
-				iwl_perform_ct_kill_task(priv, false);
-			IWL_DEBUG_POWER(priv, "Temperature state changed %u\n",
-					tt->state);
-			IWL_DEBUG_POWER(priv, "Power Index change to %u\n",
-					tt->tt_power_mode);
-		}
-		mutex_unlock(&priv->mutex);
-	}
-}
-
-/*
- * Advance thermal throttling
- * 1) Avoid NIC destruction due to high temperatures
- *	Chip will identify dangerously high temperatures that can
- *	harm the device and will power down
- * 2) Avoid the NIC power down due to high temperature
- *	Throttle early enough to lower the power consumption before
- *	drastic steps are needed
- *	Actions include relaxing the power down sleep thresholds and
- *	decreasing the number of TX streams
- * 3) Avoid throughput performance impact as much as possible
- *
- *=============================================================================
- *                 Condition Nxt State  Condition Nxt State Condition Nxt State
- *-----------------------------------------------------------------------------
- *     IWL_TI_0     T >= 114   CT_KILL  114>T>=105   TI_1      N/A      N/A
- *     IWL_TI_1     T >= 114   CT_KILL  114>T>=110   TI_2     T<=95     TI_0
- *     IWL_TI_2     T >= 114   CT_KILL                        T<=100    TI_1
- *    IWL_CT_KILL      N/A       N/A       N/A        N/A     T<=95     TI_0
- *=============================================================================
- */
-static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
-{
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-	int i;
-	bool changed = false;
-	enum iwl_tt_state old_state;
-	struct iwl_tt_trans *transaction;
-
-	old_state = tt->state;
-	for (i = 0; i < IWL_TI_STATE_MAX - 1; i++) {
-		/* based on the current TT state,
-		 * find the curresponding transaction table
-		 * each table has (IWL_TI_STATE_MAX - 1) entries
-		 * tt->transaction + ((old_state * (IWL_TI_STATE_MAX - 1))
-		 * will advance to the correct table.
-		 * then based on the current temperature
-		 * find the next state need to transaction to
-		 * go through all the possible (IWL_TI_STATE_MAX - 1) entries
-		 * in the current table to see if transaction is needed
-		 */
-		transaction = tt->transaction +
-			((old_state * (IWL_TI_STATE_MAX - 1)) + i);
-		if (temp >= transaction->tt_low &&
-		    temp <= transaction->tt_high) {
-#ifdef CONFIG_IWLWIFI_DEBUG
-			if ((tt->tt_previous_temp) &&
-			    (temp > tt->tt_previous_temp) &&
-			    ((temp - tt->tt_previous_temp) >
-			    IWL_TT_INCREASE_MARGIN)) {
-				IWL_DEBUG_POWER(priv,
-					"Temperature increase %d "
-					"degree Celsius\n",
-					(temp - tt->tt_previous_temp));
-			}
-			tt->tt_previous_temp = temp;
-#endif
-			if (old_state !=
-			    transaction->next_state) {
-				changed = true;
-				tt->state =
-					transaction->next_state;
-			}
-			break;
-		}
-	}
-	/* stop ct_kill_waiting_tm timer */
-	del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
-	if (changed) {
-		struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
-
-		if (tt->state >= IWL_TI_1) {
-			/* force PI = IWL_POWER_INDEX_5 in the case of TI > 0 */
-			tt->tt_power_mode = IWL_POWER_INDEX_5;
-			if (!iwl_ht_enabled(priv))
-				/* disable HT */
-				rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
-					RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
-					RXON_FLG_HT40_PROT_MSK |
-					RXON_FLG_HT_PROT_MSK);
-			else {
-				/* check HT capability and set
-				 * according to the system HT capability
-				 * in case get disabled before */
-				iwl_set_rxon_ht(priv, &priv->current_ht_config);
-			}
-
-		} else {
-			/*
-			 * restore system power setting -- it will be
-			 * recalculated automatically.
-			 */
-
-			/* check HT capability and set
-			 * according to the system HT capability
-			 * in case get disabled before */
-			iwl_set_rxon_ht(priv, &priv->current_ht_config);
-		}
-		mutex_lock(&priv->mutex);
-		if (old_state == IWL_TI_CT_KILL)
-			clear_bit(STATUS_CT_KILL, &priv->status);
-		if (tt->state != IWL_TI_CT_KILL &&
-		    iwl_power_update_mode(priv, true)) {
-			/* TT state not updated
-			 * try again during next temperature read
-			 */
-			IWL_ERR(priv, "Cannot update power mode, "
-					"TT state not updated\n");
-			if (old_state == IWL_TI_CT_KILL)
-				set_bit(STATUS_CT_KILL, &priv->status);
-			tt->state = old_state;
-		} else {
-			IWL_DEBUG_POWER(priv,
-					"Thermal Throttling to new state: %u\n",
-					tt->state);
-			if (old_state != IWL_TI_CT_KILL &&
-			    tt->state == IWL_TI_CT_KILL) {
-				if (force) {
-					IWL_DEBUG_POWER(priv,
-						"Enter IWL_TI_CT_KILL\n");
-					set_bit(STATUS_CT_KILL, &priv->status);
-					iwl_perform_ct_kill_task(priv, true);
-				} else {
-					iwl_prepare_ct_kill_task(priv);
-					tt->state = old_state;
-				}
-			} else if (old_state == IWL_TI_CT_KILL &&
-				  tt->state != IWL_TI_CT_KILL) {
-				IWL_DEBUG_POWER(priv, "Exit IWL_TI_CT_KILL\n");
-				iwl_perform_ct_kill_task(priv, false);
-			}
-		}
-		mutex_unlock(&priv->mutex);
-	}
-}
-
-/* Card State Notification indicated reach critical temperature
- * if PSP not enable, no Thermal Throttling function will be performed
- * just set the GP1 bit to acknowledge the event
- * otherwise, go into IWL_TI_CT_KILL state
- * since Card State Notification will not provide any temperature reading
- * for Legacy mode
- * so just pass the CT_KILL temperature to iwl_legacy_tt_handler()
- * for advance mode
- * pass CT_KILL_THRESHOLD+1 to make sure move into IWL_TI_CT_KILL state
- */
-static void iwl_bg_ct_enter(struct work_struct *work)
-{
-	struct iwl_priv *priv = container_of(work, struct iwl_priv, ct_enter);
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	if (!iwl_is_ready(priv))
-		return;
-
-	if (tt->state != IWL_TI_CT_KILL) {
-		IWL_ERR(priv, "Device reached critical temperature "
-			      "- ucode going to sleep!\n");
-		if (!priv->thermal_throttle.advanced_tt)
-			iwl_legacy_tt_handler(priv,
-					      IWL_MINIMAL_POWER_THRESHOLD,
-					      true);
-		else
-			iwl_advance_tt_handler(priv,
-					       CT_KILL_THRESHOLD + 1, true);
-	}
-}
-
-/* Card State Notification indicated out of critical temperature
- * since Card State Notification will not provide any temperature reading
- * so pass the IWL_REDUCED_PERFORMANCE_THRESHOLD_2 temperature
- * to iwl_legacy_tt_handler() to get out of IWL_CT_KILL state
- */
-static void iwl_bg_ct_exit(struct work_struct *work)
-{
-	struct iwl_priv *priv = container_of(work, struct iwl_priv, ct_exit);
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	if (!iwl_is_ready(priv))
-		return;
-
-	/* stop ct_kill_exit_tm timer */
-	del_timer_sync(&priv->thermal_throttle.ct_kill_exit_tm);
-
-	if (tt->state == IWL_TI_CT_KILL) {
-		IWL_ERR(priv,
-			"Device temperature below critical"
-			"- ucode awake!\n");
-		/*
-		 * exit from CT_KILL state
-		 * reset the current temperature reading
-		 */
-		priv->temperature = 0;
-		if (!priv->thermal_throttle.advanced_tt)
-			iwl_legacy_tt_handler(priv,
-					      IWL_REDUCED_PERFORMANCE_THRESHOLD_2,
-					      true);
-		else
-			iwl_advance_tt_handler(priv, CT_KILL_EXIT_THRESHOLD,
-					       true);
-	}
-}
-
-void iwl_tt_enter_ct_kill(struct iwl_priv *priv)
-{
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	IWL_DEBUG_POWER(priv, "Queueing critical temperature enter.\n");
-	queue_work(priv->workqueue, &priv->ct_enter);
-}
-EXPORT_SYMBOL(iwl_tt_enter_ct_kill);
-
-void iwl_tt_exit_ct_kill(struct iwl_priv *priv)
-{
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	IWL_DEBUG_POWER(priv, "Queueing critical temperature exit.\n");
-	queue_work(priv->workqueue, &priv->ct_exit);
-}
-EXPORT_SYMBOL(iwl_tt_exit_ct_kill);
-
-static void iwl_bg_tt_work(struct work_struct *work)
-{
-	struct iwl_priv *priv = container_of(work, struct iwl_priv, tt_work);
-	s32 temp = priv->temperature; /* degrees CELSIUS except specified */
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	if (priv->cfg->temperature_kelvin)
-		temp = KELVIN_TO_CELSIUS(priv->temperature);
-
-	if (!priv->thermal_throttle.advanced_tt)
-		iwl_legacy_tt_handler(priv, temp, false);
-	else
-		iwl_advance_tt_handler(priv, temp, false);
-}
-
-void iwl_tt_handler(struct iwl_priv *priv)
-{
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	IWL_DEBUG_POWER(priv, "Queueing thermal throttling work.\n");
-	queue_work(priv->workqueue, &priv->tt_work);
-}
-EXPORT_SYMBOL(iwl_tt_handler);
-
-/* Thermal throttling initialization
- * For advance thermal throttling:
- *     Initialize Thermal Index and temperature threshold table
- *     Initialize thermal throttling restriction table
- */
-void iwl_tt_initialize(struct iwl_priv *priv)
-{
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-	int size = sizeof(struct iwl_tt_trans) * (IWL_TI_STATE_MAX - 1);
-	struct iwl_tt_trans *transaction;
-
-	IWL_DEBUG_POWER(priv, "Initialize Thermal Throttling\n");
-
-	memset(tt, 0, sizeof(struct iwl_tt_mgmt));
-
-	tt->state = IWL_TI_0;
-	init_timer(&priv->thermal_throttle.ct_kill_exit_tm);
-	priv->thermal_throttle.ct_kill_exit_tm.data = (unsigned long)priv;
-	priv->thermal_throttle.ct_kill_exit_tm.function =
-		iwl_tt_check_exit_ct_kill;
-	init_timer(&priv->thermal_throttle.ct_kill_waiting_tm);
-	priv->thermal_throttle.ct_kill_waiting_tm.data = (unsigned long)priv;
-	priv->thermal_throttle.ct_kill_waiting_tm.function =
-		iwl_tt_ready_for_ct_kill;
-	/* setup deferred ct kill work */
-	INIT_WORK(&priv->tt_work, iwl_bg_tt_work);
-	INIT_WORK(&priv->ct_enter, iwl_bg_ct_enter);
-	INIT_WORK(&priv->ct_exit, iwl_bg_ct_exit);
-
-	if (priv->cfg->adv_thermal_throttle) {
-		IWL_DEBUG_POWER(priv, "Advanced Thermal Throttling\n");
-		tt->restriction = kzalloc(sizeof(struct iwl_tt_restriction) *
-					 IWL_TI_STATE_MAX, GFP_KERNEL);
-		tt->transaction = kzalloc(sizeof(struct iwl_tt_trans) *
-			IWL_TI_STATE_MAX * (IWL_TI_STATE_MAX - 1),
-			GFP_KERNEL);
-		if (!tt->restriction || !tt->transaction) {
-			IWL_ERR(priv, "Fallback to Legacy Throttling\n");
-			priv->thermal_throttle.advanced_tt = false;
-			kfree(tt->restriction);
-			tt->restriction = NULL;
-			kfree(tt->transaction);
-			tt->transaction = NULL;
-		} else {
-			transaction = tt->transaction +
-				(IWL_TI_0 * (IWL_TI_STATE_MAX - 1));
-			memcpy(transaction, &tt_range_0[0], size);
-			transaction = tt->transaction +
-				(IWL_TI_1 * (IWL_TI_STATE_MAX - 1));
-			memcpy(transaction, &tt_range_1[0], size);
-			transaction = tt->transaction +
-				(IWL_TI_2 * (IWL_TI_STATE_MAX - 1));
-			memcpy(transaction, &tt_range_2[0], size);
-			transaction = tt->transaction +
-				(IWL_TI_CT_KILL * (IWL_TI_STATE_MAX - 1));
-			memcpy(transaction, &tt_range_3[0], size);
-			size = sizeof(struct iwl_tt_restriction) *
-				IWL_TI_STATE_MAX;
-			memcpy(tt->restriction,
-				&restriction_range[0], size);
-			priv->thermal_throttle.advanced_tt = true;
-		}
-	} else {
-		IWL_DEBUG_POWER(priv, "Legacy Thermal Throttling\n");
-		priv->thermal_throttle.advanced_tt = false;
-	}
-}
-EXPORT_SYMBOL(iwl_tt_initialize);
-
-/* cleanup thermal throttling management related memory and timer */
-void iwl_tt_exit(struct iwl_priv *priv)
-{
-	struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
-
-	/* stop ct_kill_exit_tm timer if activated */
-	del_timer_sync(&priv->thermal_throttle.ct_kill_exit_tm);
-	/* stop ct_kill_waiting_tm timer if activated */
-	del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
-	cancel_work_sync(&priv->tt_work);
-	cancel_work_sync(&priv->ct_enter);
-	cancel_work_sync(&priv->ct_exit);
-
-	if (priv->thermal_throttle.advanced_tt) {
-		/* free advance thermal throttling memory */
-		kfree(tt->restriction);
-		tt->restriction = NULL;
-		kfree(tt->transaction);
-		tt->transaction = NULL;
-	}
-}
-EXPORT_SYMBOL(iwl_tt_exit);
-
 /* initialize to default */
 void iwl_power_initialize(struct iwl_priv *priv)
 {