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Eytan Lifshitz9ee718a2013-05-19 19:14:41 +03001/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
Emmanuel Grumbach51368bf2013-12-30 13:15:54 +02008 * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
Johannes Berg8b4139d2014-07-24 14:05:26 +02009 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +030010 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
Emmanuel Grumbach51368bf2013-12-30 13:15:54 +020034 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
Johannes Berg8b4139d2014-07-24 14:05:26 +020035 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +030036 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
47 * distribution.
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65
66#include "mvm.h"
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +030067
Luciano Coelhoa0a092432014-09-04 12:29:15 +030068#define IWL_MVM_TEMP_NOTIF_WAIT_TIMEOUT HZ
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +030069
70static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)
71{
72 u32 duration = mvm->thermal_throttle.params->ct_kill_duration;
73
Luciano Coelhob689fa72014-08-20 17:26:58 +030074 if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))
75 return;
76
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +030077 IWL_ERR(mvm, "Enter CT Kill\n");
78 iwl_mvm_set_hw_ctkill_state(mvm, true);
Luciano Coelhoefc36db2014-08-20 17:58:20 +030079
80 /* Don't schedule an exit work if we're in test mode, since
81 * the temperature will not change unless we manually set it
82 * again (or disable testing).
83 */
84 if (!mvm->temperature_test)
85 schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,
86 round_jiffies_relative(duration * HZ));
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +030087}
88
89static void iwl_mvm_exit_ctkill(struct iwl_mvm *mvm)
90{
Luciano Coelhob689fa72014-08-20 17:26:58 +030091 if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))
92 return;
93
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +030094 IWL_ERR(mvm, "Exit CT Kill\n");
95 iwl_mvm_set_hw_ctkill_state(mvm, false);
96}
97
Luciano Coelhofd1f7552014-11-04 16:17:46 +020098void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp)
Luciano Coelhoa0a092432014-09-04 12:29:15 +030099{
Luciano Coelhofd1f7552014-11-04 16:17:46 +0200100 /* ignore the notification if we are in test mode */
101 if (mvm->temperature_test)
102 return;
103
104 if (mvm->temperature == temp)
105 return;
106
107 mvm->temperature = temp;
108 iwl_mvm_tt_handler(mvm);
109}
110
111static int iwl_mvm_temp_notif_parse(struct iwl_mvm *mvm,
112 struct iwl_rx_packet *pkt)
113{
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300114 struct iwl_dts_measurement_notif *notif;
115 int len = iwl_rx_packet_payload_len(pkt);
Luciano Coelhofd1f7552014-11-04 16:17:46 +0200116 int temp;
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300117
118 if (WARN_ON_ONCE(len != sizeof(*notif))) {
119 IWL_ERR(mvm, "Invalid DTS_MEASUREMENT_NOTIFICATION\n");
Luciano Coelhofd1f7552014-11-04 16:17:46 +0200120 return -EINVAL;
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300121 }
122
123 notif = (void *)pkt->data;
124
Luciano Coelhofd1f7552014-11-04 16:17:46 +0200125 temp = le32_to_cpu(notif->temp);
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300126
127 /* shouldn't be negative, but since it's s32, make sure it isn't */
Luciano Coelhofd1f7552014-11-04 16:17:46 +0200128 if (WARN_ON_ONCE(temp < 0))
129 temp = 0;
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300130
Luciano Coelhofd1f7552014-11-04 16:17:46 +0200131 IWL_DEBUG_TEMP(mvm, "DTS_MEASUREMENT_NOTIFICATION - %d\n", temp);
132
133 return temp;
134}
135
136static bool iwl_mvm_temp_notif_wait(struct iwl_notif_wait_data *notif_wait,
137 struct iwl_rx_packet *pkt, void *data)
138{
139 struct iwl_mvm *mvm =
140 container_of(notif_wait, struct iwl_mvm, notif_wait);
141 int *temp = data;
142 int ret;
143
144 ret = iwl_mvm_temp_notif_parse(mvm, pkt);
145 if (ret < 0)
146 return true;
147
148 *temp = ret;
149
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300150 return true;
151}
152
Luciano Coelhoea9af242014-11-06 10:34:49 +0200153int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
154 struct iwl_rx_cmd_buffer *rxb,
155 struct iwl_device_cmd *cmd)
156{
157 struct iwl_rx_packet *pkt = rxb_addr(rxb);
158 int temp;
159
160 /* the notification is handled synchronously in ctkill, so skip here */
161 if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))
162 return 0;
163
164 temp = iwl_mvm_temp_notif_parse(mvm, pkt);
165 if (temp < 0)
166 return 0;
167
168 iwl_mvm_tt_temp_changed(mvm, temp);
169
170 return 0;
171}
172
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300173static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)
174{
175 struct iwl_dts_measurement_cmd cmd = {
176 .flags = cpu_to_le32(DTS_TRIGGER_CMD_FLAGS_TEMP),
177 };
178
179 return iwl_mvm_send_cmd_pdu(mvm, CMD_DTS_MEASUREMENT_TRIGGER, 0,
180 sizeof(cmd), &cmd);
181}
182
Luciano Coelhoc549e392014-09-04 15:58:47 +0300183int iwl_mvm_get_temp(struct iwl_mvm *mvm)
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300184{
185 struct iwl_notification_wait wait_temp_notif;
186 static const u8 temp_notif[] = { DTS_MEASUREMENT_NOTIFICATION };
187 int ret, temp;
188
189 lockdep_assert_held(&mvm->mutex);
190
191 iwl_init_notification_wait(&mvm->notif_wait, &wait_temp_notif,
192 temp_notif, ARRAY_SIZE(temp_notif),
Luciano Coelhofd1f7552014-11-04 16:17:46 +0200193 iwl_mvm_temp_notif_wait, &temp);
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300194
195 ret = iwl_mvm_get_temp_cmd(mvm);
196 if (ret) {
197 IWL_ERR(mvm, "Failed to get the temperature (err=%d)\n", ret);
198 iwl_remove_notification(&mvm->notif_wait, &wait_temp_notif);
199 return ret;
200 }
201
202 ret = iwl_wait_notification(&mvm->notif_wait, &wait_temp_notif,
203 IWL_MVM_TEMP_NOTIF_WAIT_TIMEOUT);
204 if (ret) {
205 IWL_ERR(mvm, "Getting the temperature timed out\n");
206 return ret;
207 }
208
209 return temp;
210}
211
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300212static void check_exit_ctkill(struct work_struct *work)
213{
214 struct iwl_mvm_tt_mgmt *tt;
215 struct iwl_mvm *mvm;
216 u32 duration;
217 s32 temp;
218
219 tt = container_of(work, struct iwl_mvm_tt_mgmt, ct_kill_exit.work);
220 mvm = container_of(tt, struct iwl_mvm, thermal_throttle);
221
222 duration = tt->params->ct_kill_duration;
223
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300224 mutex_lock(&mvm->mutex);
225
226 if (__iwl_mvm_mac_start(mvm))
Eliad Peller576eeee2014-07-01 18:38:38 +0300227 goto reschedule;
228
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300229 /* make sure the device is available for direct read/writes */
230 if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_CHECK_CTKILL)) {
231 __iwl_mvm_mac_stop(mvm);
232 goto reschedule;
233 }
234
235 temp = iwl_mvm_get_temp(mvm);
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300236
Eliad Peller576eeee2014-07-01 18:38:38 +0300237 iwl_mvm_unref(mvm, IWL_MVM_REF_CHECK_CTKILL);
238
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300239 __iwl_mvm_mac_stop(mvm);
240
241 if (temp < 0)
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300242 goto reschedule;
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300243
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300244 IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", temp);
245
246 if (temp <= tt->params->ct_kill_exit) {
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300247 mutex_unlock(&mvm->mutex);
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300248 iwl_mvm_exit_ctkill(mvm);
249 return;
250 }
251
252reschedule:
Luciano Coelhoa0a092432014-09-04 12:29:15 +0300253 mutex_unlock(&mvm->mutex);
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300254 schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,
255 round_jiffies(duration * HZ));
256}
257
258static void iwl_mvm_tt_smps_iterator(void *_data, u8 *mac,
259 struct ieee80211_vif *vif)
260{
261 struct iwl_mvm *mvm = _data;
262 enum ieee80211_smps_mode smps_mode;
263
264 lockdep_assert_held(&mvm->mutex);
265
266 if (mvm->thermal_throttle.dynamic_smps)
267 smps_mode = IEEE80211_SMPS_DYNAMIC;
268 else
269 smps_mode = IEEE80211_SMPS_AUTOMATIC;
270
Eytan Lifshitzfded3132013-06-04 12:28:51 +0300271 if (vif->type != NL80211_IFTYPE_STATION)
272 return;
273
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300274 iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, smps_mode);
275}
276
277static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable)
278{
279 struct ieee80211_sta *sta;
280 struct iwl_mvm_sta *mvmsta;
281 int i, err;
282
283 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
284 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
285 lockdep_is_held(&mvm->mutex));
286 if (IS_ERR_OR_NULL(sta))
287 continue;
Johannes Berg5b577a92013-11-14 18:20:04 +0100288 mvmsta = iwl_mvm_sta_from_mac80211(sta);
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300289 if (enable == mvmsta->tt_tx_protection)
290 continue;
Johannes Berge126b5d2013-06-28 13:39:18 +0200291 err = iwl_mvm_tx_protection(mvm, mvmsta, enable);
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300292 if (err) {
293 IWL_ERR(mvm, "Failed to %s Tx protection\n",
294 enable ? "enable" : "disable");
295 } else {
296 IWL_DEBUG_TEMP(mvm, "%s Tx protection\n",
297 enable ? "Enable" : "Disable");
298 mvmsta->tt_tx_protection = enable;
299 }
300 }
301}
302
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500303void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff)
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300304{
305 struct iwl_host_cmd cmd = {
306 .id = REPLY_THERMAL_MNG_BACKOFF,
307 .len = { sizeof(u32), },
308 .data = { &backoff, },
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300309 };
310
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500311 backoff = max(backoff, mvm->thermal_throttle.min_backoff);
312
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300313 if (iwl_mvm_send_cmd(mvm, &cmd) == 0) {
314 IWL_DEBUG_TEMP(mvm, "Set Thermal Tx backoff to: %u\n",
315 backoff);
316 mvm->thermal_throttle.tx_backoff = backoff;
317 } else {
318 IWL_ERR(mvm, "Failed to change Thermal Tx backoff\n");
319 }
320}
321
322void iwl_mvm_tt_handler(struct iwl_mvm *mvm)
323{
324 const struct iwl_tt_params *params = mvm->thermal_throttle.params;
325 struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;
326 s32 temperature = mvm->temperature;
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300327 bool throttle_enable = false;
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300328 int i;
329 u32 tx_backoff;
330
331 IWL_DEBUG_TEMP(mvm, "NIC temperature: %d\n", mvm->temperature);
332
333 if (params->support_ct_kill && temperature >= params->ct_kill_entry) {
334 iwl_mvm_enter_ctkill(mvm);
335 return;
336 }
337
Luciano Coelhob689fa72014-08-20 17:26:58 +0300338 if (params->support_ct_kill &&
339 temperature <= tt->params->ct_kill_exit) {
340 iwl_mvm_exit_ctkill(mvm);
341 return;
342 }
343
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300344 if (params->support_dynamic_smps) {
345 if (!tt->dynamic_smps &&
346 temperature >= params->dynamic_smps_entry) {
347 IWL_DEBUG_TEMP(mvm, "Enable dynamic SMPS\n");
348 tt->dynamic_smps = true;
349 ieee80211_iterate_active_interfaces_atomic(
350 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
351 iwl_mvm_tt_smps_iterator, mvm);
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300352 throttle_enable = true;
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300353 } else if (tt->dynamic_smps &&
354 temperature <= params->dynamic_smps_exit) {
355 IWL_DEBUG_TEMP(mvm, "Disable dynamic SMPS\n");
356 tt->dynamic_smps = false;
357 ieee80211_iterate_active_interfaces_atomic(
358 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
359 iwl_mvm_tt_smps_iterator, mvm);
360 }
361 }
362
363 if (params->support_tx_protection) {
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300364 if (temperature >= params->tx_protection_entry) {
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300365 iwl_mvm_tt_tx_protection(mvm, true);
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300366 throttle_enable = true;
367 } else if (temperature <= params->tx_protection_exit) {
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300368 iwl_mvm_tt_tx_protection(mvm, false);
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300369 }
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300370 }
371
372 if (params->support_tx_backoff) {
Eytan Lifshitz1b8ebbd2014-04-01 16:44:21 +0300373 tx_backoff = tt->min_backoff;
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300374 for (i = 0; i < TT_TX_BACKOFF_SIZE; i++) {
375 if (temperature < params->tx_backoff[i].temperature)
376 break;
Eytan Lifshitz1b8ebbd2014-04-01 16:44:21 +0300377 tx_backoff = max(tt->min_backoff,
378 params->tx_backoff[i].backoff);
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300379 }
Eytan Lifshitz1b8ebbd2014-04-01 16:44:21 +0300380 if (tx_backoff != tt->min_backoff)
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300381 throttle_enable = true;
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300382 if (tt->tx_backoff != tx_backoff)
383 iwl_mvm_tt_tx_backoff(mvm, tx_backoff);
384 }
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300385
386 if (!tt->throttle && throttle_enable) {
387 IWL_WARN(mvm,
388 "Due to high temperature thermal throttling initiated\n");
389 tt->throttle = true;
Eytan Lifshitz19a04bd2014-04-02 21:37:57 +0300390 } else if (tt->throttle && !tt->dynamic_smps &&
391 tt->tx_backoff == tt->min_backoff &&
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300392 temperature <= params->tx_protection_exit) {
393 IWL_WARN(mvm,
394 "Temperature is back to normal thermal throttling stopped\n");
395 tt->throttle = false;
396 }
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300397}
398
399static const struct iwl_tt_params iwl7000_tt_params = {
400 .ct_kill_entry = 118,
401 .ct_kill_exit = 96,
402 .ct_kill_duration = 5,
403 .dynamic_smps_entry = 114,
404 .dynamic_smps_exit = 110,
405 .tx_protection_entry = 114,
406 .tx_protection_exit = 108,
407 .tx_backoff = {
408 {.temperature = 112, .backoff = 200},
409 {.temperature = 113, .backoff = 600},
410 {.temperature = 114, .backoff = 1200},
411 {.temperature = 115, .backoff = 2000},
412 {.temperature = 116, .backoff = 4000},
413 {.temperature = 117, .backoff = 10000},
414 },
415 .support_ct_kill = true,
416 .support_dynamic_smps = true,
417 .support_tx_protection = true,
418 .support_tx_backoff = true,
419};
420
Eytan Lifshitz6be497f2013-07-24 14:49:18 +0300421static const struct iwl_tt_params iwl7000_high_temp_tt_params = {
422 .ct_kill_entry = 118,
423 .ct_kill_exit = 96,
424 .ct_kill_duration = 5,
425 .dynamic_smps_entry = 114,
426 .dynamic_smps_exit = 110,
427 .tx_protection_entry = 114,
428 .tx_protection_exit = 108,
429 .tx_backoff = {
430 {.temperature = 112, .backoff = 300},
431 {.temperature = 113, .backoff = 800},
432 {.temperature = 114, .backoff = 1500},
433 {.temperature = 115, .backoff = 3000},
434 {.temperature = 116, .backoff = 5000},
435 {.temperature = 117, .backoff = 10000},
436 },
437 .support_ct_kill = true,
438 .support_dynamic_smps = true,
439 .support_tx_protection = true,
440 .support_tx_backoff = true,
441};
442
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500443void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff)
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300444{
445 struct iwl_mvm_tt_mgmt *tt = &mvm->thermal_throttle;
446
447 IWL_DEBUG_TEMP(mvm, "Initialize Thermal Throttling\n");
Eytan Lifshitz6be497f2013-07-24 14:49:18 +0300448
449 if (mvm->cfg->high_temp)
450 tt->params = &iwl7000_high_temp_tt_params;
451 else
452 tt->params = &iwl7000_tt_params;
453
eytan lifshitzdafe6c42013-06-18 14:28:56 +0300454 tt->throttle = false;
Ido Yariv0c0e2c72014-01-16 21:12:02 -0500455 tt->min_backoff = min_backoff;
Eytan Lifshitz9ee718a2013-05-19 19:14:41 +0300456 INIT_DELAYED_WORK(&tt->ct_kill_exit, check_exit_ctkill);
457}
458
459void iwl_mvm_tt_exit(struct iwl_mvm *mvm)
460{
461 cancel_delayed_work_sync(&mvm->thermal_throttle.ct_kill_exit);
462 IWL_DEBUG_TEMP(mvm, "Exit Thermal Throttling\n");
463}