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path: root/drivers/net/wireless/intel/iwlwifi/dvm/tt.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/dvm/tt.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/dvm/tt.c70
1 files changed, 21 insertions, 49 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/tt.c b/drivers/net/wireless/intel/iwlwifi/dvm/tt.c
index 5b73492e7ff7..96831ce8da6f 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/tt.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/tt.c
@@ -1,29 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*
* Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright (C) 2018, 2020 Intel Corporation
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- * Intel Linux Wireless <linuxwifi@intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*****************************************************************************/
@@ -142,17 +124,6 @@ enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv)
return restriction->tx_stream;
}
-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 */
@@ -164,11 +135,11 @@ enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv)
* 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)
+static void iwl_tt_check_exit_ct_kill(struct timer_list *t)
{
- struct iwl_priv *priv = (struct iwl_priv *)data;
+ struct iwl_priv *priv = timer_container_of(priv, t,
+ thermal_throttle.ct_kill_exit_tm);
struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
- unsigned long flags;
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
@@ -184,8 +155,8 @@ static void iwl_tt_check_exit_ct_kill(unsigned long data)
priv->thermal_throttle.ct_kill_toggle = true;
}
iwl_read32(priv->trans, CSR_UCODE_DRV_GP1);
- if (iwl_trans_grab_nic_access(priv->trans, &flags))
- iwl_trans_release_nic_access(priv->trans, &flags);
+ if (iwl_trans_grab_nic_access(priv->trans))
+ iwl_trans_release_nic_access(priv->trans);
/* Reschedule the ct_kill timer to occur in
* CT_KILL_EXIT_DURATION seconds to ensure we get a
@@ -214,9 +185,10 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv,
}
}
-static void iwl_tt_ready_for_ct_kill(unsigned long data)
+static void iwl_tt_ready_for_ct_kill(struct timer_list *t)
{
- struct iwl_priv *priv = (struct iwl_priv *)data;
+ struct iwl_priv *priv = timer_container_of(priv, t,
+ thermal_throttle.ct_kill_waiting_tm);
struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
@@ -285,7 +257,7 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
tt->tt_previous_temp = temp;
#endif
/* stop ct_kill_waiting_tm timer */
- del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
+ timer_delete_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
if (tt->state != old_state) {
switch (tt->state) {
case IWL_TI_0:
@@ -327,9 +299,9 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
iwl_prepare_ct_kill_task(priv);
tt->state = old_state;
}
- } else if (old_state == IWL_TI_CT_KILL &&
- tt->state != IWL_TI_CT_KILL)
+ } else if (old_state == IWL_TI_CT_KILL) {
iwl_perform_ct_kill_task(priv, false);
+ }
IWL_DEBUG_TEMP(priv, "Temperature state changed %u\n",
tt->state);
IWL_DEBUG_TEMP(priv, "Power Index change to %u\n",
@@ -406,7 +378,7 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
}
}
/* stop ct_kill_waiting_tm timer */
- del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
+ timer_delete_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
if (changed) {
if (tt->state >= IWL_TI_1) {
/* force PI = IWL_POWER_INDEX_5 in the case of TI > 0 */
@@ -534,7 +506,7 @@ static void iwl_bg_ct_exit(struct work_struct *work)
return;
/* stop ct_kill_exit_tm timer */
- del_timer_sync(&priv->thermal_throttle.ct_kill_exit_tm);
+ timer_delete_sync(&priv->thermal_throttle.ct_kill_exit_tm);
if (tt->state == IWL_TI_CT_KILL) {
IWL_ERR(priv,
@@ -612,10 +584,10 @@ void iwl_tt_initialize(struct iwl_priv *priv)
memset(tt, 0, sizeof(struct iwl_tt_mgmt));
tt->state = IWL_TI_0;
- setup_timer(&priv->thermal_throttle.ct_kill_exit_tm,
- iwl_tt_check_exit_ct_kill, (unsigned long)priv);
- setup_timer(&priv->thermal_throttle.ct_kill_waiting_tm,
- iwl_tt_ready_for_ct_kill, (unsigned long)priv);
+ timer_setup(&priv->thermal_throttle.ct_kill_exit_tm,
+ iwl_tt_check_exit_ct_kill, 0);
+ timer_setup(&priv->thermal_throttle.ct_kill_waiting_tm,
+ iwl_tt_ready_for_ct_kill, 0);
/* setup deferred ct kill work */
INIT_WORK(&priv->tt_work, iwl_bg_tt_work);
INIT_WORK(&priv->ct_enter, iwl_bg_ct_enter);
@@ -668,9 +640,9 @@ 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);
+ timer_delete_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);
+ timer_delete_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);