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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 18:55:01 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 18:55:01 +0300
commitd7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch)
treea43d56fa72913a1cc98a0bbebe054d08581b3a7c /drivers/net/wireless/iwlwifi/iwl-power.c
parentee1262dbc65ce0b6234a915d8432171e8d77f518 (diff)
parent28b4d5cc17c20786848cdc07b7ea237a309776bb (diff)
downloadlinux-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits) mac80211: fix reorder buffer release iwmc3200wifi: Enable wimax core through module parameter iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter iwmc3200wifi: Coex table command does not expect a response iwmc3200wifi: Update wiwi priority table iwlwifi: driver version track kernel version iwlwifi: indicate uCode type when fail dump error/event log iwl3945: remove duplicated event logging code b43: fix two warnings ipw2100: fix rebooting hang with driver loaded cfg80211: indent regulatory messages with spaces iwmc3200wifi: fix NULL pointer dereference in pmkid update mac80211: Fix TX status reporting for injected data frames ath9k: enable 2GHz band only if the device supports it airo: Fix integer overflow warning rt2x00: Fix padding bug on L2PAD devices. WE: Fix set events not propagated b43legacy: avoid PPC fault during resume b43: avoid PPC fault during resume tcp: fix a timewait refcnt race ... Fix up conflicts due to sysctl cleanups (dead sysctl_check code and CTL_UNNUMBERED removed) in kernel/sysctl_check.c net/ipv4/sysctl_net_ipv4.c net/ipv6/addrconf.c net/sctp/sysctl.c
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-power.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-power.c232
1 files changed, 174 insertions, 58 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 60be976afff8..8ccc0bb1d9ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -66,7 +66,7 @@ MODULE_PARM_DESC(no_sleep_autoadjust,
struct iwl_power_vec_entry {
struct iwl_powertable_cmd cmd;
- u8 no_dtim;
+ u8 no_dtim; /* number of skip dtim */
};
#define IWL_DTIM_RANGE_0_MAX 2
@@ -83,8 +83,9 @@ struct iwl_power_vec_entry {
cpu_to_le32(X4)}
/* default power management (not Tx power) table values */
/* for DTIM period 0 through IWL_DTIM_RANGE_0_MAX */
+/* DTIM 0 - 2 */
static const struct iwl_power_vec_entry range_0[IWL_POWER_NUM] = {
- {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 2, 2, 0xFF)}, 0},
+ {{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 1, 2, 2, 0xFF)}, 0},
{{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(1, 2, 2, 2, 0xFF)}, 0},
{{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 2, 2, 2, 0xFF)}, 0},
{{SLP, SLP_TOUT(50), SLP_TOUT(25), SLP_VEC(2, 2, 4, 4, 0xFF)}, 1},
@@ -93,15 +94,17 @@ static const struct iwl_power_vec_entry range_0[IWL_POWER_NUM] = {
/* for DTIM period IWL_DTIM_RANGE_0_MAX + 1 through IWL_DTIM_RANGE_1_MAX */
+/* DTIM 3 - 10 */
static const struct iwl_power_vec_entry range_1[IWL_POWER_NUM] = {
{{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0},
{{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(1, 2, 3, 4, 7)}, 0},
{{SLP, SLP_TOUT(50), SLP_TOUT(100), SLP_VEC(2, 4, 6, 7, 9)}, 0},
{{SLP, SLP_TOUT(50), SLP_TOUT(25), SLP_VEC(2, 4, 6, 9, 10)}, 1},
- {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(2, 4, 7, 10, 10)}, 2}
+ {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(2, 4, 6, 10, 10)}, 2}
};
/* for DTIM period > IWL_DTIM_RANGE_1_MAX */
+/* DTIM 11 - */
static const struct iwl_power_vec_entry range_2[IWL_POWER_NUM] = {
{{SLP, SLP_TOUT(200), SLP_TOUT(500), SLP_VEC(1, 2, 3, 4, 0xFF)}, 0},
{{SLP, SLP_TOUT(200), SLP_TOUT(300), SLP_VEC(2, 4, 6, 7, 0xFF)}, 0},
@@ -115,13 +118,15 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
enum iwl_power_level lvl, int period)
{
const struct iwl_power_vec_entry *table;
- int max_sleep, i;
- bool skip;
+ int max_sleep[IWL_POWER_VEC_SIZE] = { 0 };
+ int i;
+ u8 skip;
+ u32 slp_itrvl;
table = range_2;
- if (period < IWL_DTIM_RANGE_1_MAX)
+ if (period <= IWL_DTIM_RANGE_1_MAX)
table = range_1;
- if (period < IWL_DTIM_RANGE_0_MAX)
+ if (period <= IWL_DTIM_RANGE_0_MAX)
table = range_0;
BUG_ON(lvl < 0 || lvl >= IWL_POWER_NUM);
@@ -129,34 +134,60 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
*cmd = table[lvl].cmd;
if (period == 0) {
- skip = false;
+ skip = 0;
period = 1;
+ for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
+ max_sleep[i] = 1;
+
} else {
- skip = !!table[lvl].no_dtim;
+ skip = table[lvl].no_dtim;
+ for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
+ max_sleep[i] = le32_to_cpu(cmd->sleep_interval[i]);
+ max_sleep[IWL_POWER_VEC_SIZE - 1] = skip + 1;
}
- if (skip) {
- __le32 slp_itrvl = cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1];
- max_sleep = le32_to_cpu(slp_itrvl);
- if (max_sleep == 0xFF)
- max_sleep = period * (skip + 1);
- else if (max_sleep > period)
- max_sleep = (le32_to_cpu(slp_itrvl) / period) * period;
+ slp_itrvl = le32_to_cpu(cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]);
+ /* figure out the listen interval based on dtim period and skip */
+ if (slp_itrvl == 0xFF)
+ cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1] =
+ cpu_to_le32(period * (skip + 1));
+
+ slp_itrvl = le32_to_cpu(cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]);
+ if (slp_itrvl > period)
+ cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1] =
+ cpu_to_le32((slp_itrvl / period) * period);
+
+ if (skip)
cmd->flags |= IWL_POWER_SLEEP_OVER_DTIM_MSK;
- } else {
- max_sleep = period;
+ else
cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK;
- }
- for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
- if (le32_to_cpu(cmd->sleep_interval[i]) > max_sleep)
- cmd->sleep_interval[i] = cpu_to_le32(max_sleep);
+ slp_itrvl = le32_to_cpu(cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1]);
+ if (slp_itrvl > IWL_CONN_MAX_LISTEN_INTERVAL)
+ cmd->sleep_interval[IWL_POWER_VEC_SIZE - 1] =
+ cpu_to_le32(IWL_CONN_MAX_LISTEN_INTERVAL);
+
+ /* enforce max sleep interval */
+ for (i = IWL_POWER_VEC_SIZE - 1; i >= 0 ; i--) {
+ if (le32_to_cpu(cmd->sleep_interval[i]) >
+ (max_sleep[i] * period))
+ cmd->sleep_interval[i] =
+ cpu_to_le32(max_sleep[i] * period);
+ if (i != (IWL_POWER_VEC_SIZE - 1)) {
+ if (le32_to_cpu(cmd->sleep_interval[i]) >
+ le32_to_cpu(cmd->sleep_interval[i+1]))
+ cmd->sleep_interval[i] =
+ cmd->sleep_interval[i+1];
+ }
+ }
if (priv->power_data.pci_pm)
cmd->flags |= IWL_POWER_PCI_PM_MSK;
else
cmd->flags &= ~IWL_POWER_PCI_PM_MSK;
+ IWL_DEBUG_POWER(priv, "numSkipDtim = %u, dtimPeriod = %d\n",
+ skip, period);
IWL_DEBUG_POWER(priv, "Sleep command for index %d\n", lvl + 1);
}
@@ -165,26 +196,26 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
*=============================================================================
* Condition Nxt State Condition Nxt State Condition Nxt State
*-----------------------------------------------------------------------------
- * IWL_TI_0 T >= 115 CT_KILL 115>T>=105 TI_1 N/A N/A
- * IWL_TI_1 T >= 115 CT_KILL 115>T>=110 TI_2 T<=95 TI_0
- * IWL_TI_2 T >= 115 CT_KILL T<=100 TI_1
+ * 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},
- {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX}
+ {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},
- {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX}
+ {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 + 1, IWL_ABSOLUTE_MAX},
- {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX}
+ {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},
@@ -294,6 +325,9 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force)
if (priv->cfg->broken_powersave)
iwl_power_sleep_cam_cmd(priv, &cmd);
+ 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)
@@ -348,6 +382,23 @@ bool iwl_ht_enabled(struct iwl_priv *priv)
}
EXPORT_SYMBOL(iwl_ht_enabled);
+bool iwl_within_ct_kill_margin(struct iwl_priv *priv)
+{
+ s32 temp = priv->temperature; /* degrees CELSIUS except 4965 */
+ bool within_margin = false;
+
+ if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965)
+ 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;
@@ -372,6 +423,7 @@ enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv)
}
#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
@@ -409,6 +461,7 @@ static void iwl_tt_check_exit_ct_kill(unsigned long data)
/* 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);
}
@@ -432,6 +485,33 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv,
}
}
+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)
@@ -445,7 +525,7 @@ static void iwl_perform_ct_kill_task(struct iwl_priv *priv,
* 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)
+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;
@@ -474,6 +554,8 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp)
#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:
@@ -494,17 +576,28 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp)
break;
}
mutex_lock(&priv->mutex);
- if (iwl_power_update_mode(priv, true)) {
+ 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)
- iwl_perform_ct_kill_task(priv, true);
- else if (old_state == IWL_TI_CT_KILL &&
+ 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",
@@ -531,13 +624,13 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp)
*=============================================================================
* Condition Nxt State Condition Nxt State Condition Nxt State
*-----------------------------------------------------------------------------
- * IWL_TI_0 T >= 115 CT_KILL 115>T>=105 TI_1 N/A N/A
- * IWL_TI_1 T >= 115 CT_KILL 115>T>=110 TI_2 T<=95 TI_0
- * IWL_TI_2 T >= 115 CT_KILL T<=100 TI_1
+ * 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)
+static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
{
struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
int i;
@@ -582,6 +675,8 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp)
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;
@@ -613,12 +708,17 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp)
iwl_set_rxon_ht(priv, &priv->current_ht_config);
}
mutex_lock(&priv->mutex);
- if (iwl_power_update_mode(priv, true)) {
+ 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,
@@ -626,9 +726,15 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp)
tt->state);
if (old_state != IWL_TI_CT_KILL &&
tt->state == IWL_TI_CT_KILL) {
- IWL_DEBUG_POWER(priv, "Enter IWL_TI_CT_KILL\n");
- iwl_perform_ct_kill_task(priv, true);
-
+ 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");
@@ -665,10 +771,11 @@ static void iwl_bg_ct_enter(struct work_struct *work)
"- ucode going to sleep!\n");
if (!priv->thermal_throttle.advanced_tt)
iwl_legacy_tt_handler(priv,
- IWL_MINIMAL_POWER_THRESHOLD);
+ IWL_MINIMAL_POWER_THRESHOLD,
+ true);
else
iwl_advance_tt_handler(priv,
- CT_KILL_THRESHOLD + 1);
+ CT_KILL_THRESHOLD + 1, true);
}
}
@@ -695,11 +802,18 @@ static void iwl_bg_ct_exit(struct work_struct *work)
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);
+ IWL_REDUCED_PERFORMANCE_THRESHOLD_2,
+ true);
else
- iwl_advance_tt_handler(priv, CT_KILL_EXIT_THRESHOLD);
+ iwl_advance_tt_handler(priv, CT_KILL_EXIT_THRESHOLD,
+ true);
}
}
@@ -735,9 +849,9 @@ static void iwl_bg_tt_work(struct work_struct *work)
temp = KELVIN_TO_CELSIUS(priv->temperature);
if (!priv->thermal_throttle.advanced_tt)
- iwl_legacy_tt_handler(priv, temp);
+ iwl_legacy_tt_handler(priv, temp, false);
else
- iwl_advance_tt_handler(priv, temp);
+ iwl_advance_tt_handler(priv, temp, false);
}
void iwl_tt_handler(struct iwl_priv *priv)
@@ -768,16 +882,18 @@ void iwl_tt_initialize(struct iwl_priv *priv)
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;
-
+ 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);
- switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
- case CSR_HW_REV_TYPE_6x00:
- case CSR_HW_REV_TYPE_6x50:
+ 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);
@@ -810,11 +926,9 @@ void iwl_tt_initialize(struct iwl_priv *priv)
&restriction_range[0], size);
priv->thermal_throttle.advanced_tt = true;
}
- break;
- default:
+ } else {
IWL_DEBUG_POWER(priv, "Legacy Thermal Throttling\n");
priv->thermal_throttle.advanced_tt = false;
- break;
}
}
EXPORT_SYMBOL(iwl_tt_initialize);
@@ -826,6 +940,8 @@ void iwl_tt_exit(struct iwl_priv *priv)
/* 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);