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path: root/drivers/net/wireless/rtlwifi/ps.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/ps.c')
-rw-r--r--drivers/net/wireless/rtlwifi/ps.c97
1 files changed, 16 insertions, 81 deletions
diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index 39b0297ce925..a693feffbe72 100644
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -68,6 +68,7 @@ bool rtl_ps_disable_nic(struct ieee80211_hw *hw)
/*<2> Disable Interrupt */
rtlpriv->cfg->ops->disable_interrupt(hw);
+ tasklet_kill(&rtlpriv->works.irq_tasklet);
/*<3> Disable Adapter */
rtlpriv->cfg->ops->hw_disable(hw);
@@ -78,65 +79,18 @@ EXPORT_SYMBOL(rtl_ps_disable_nic);
bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
enum rf_pwrstate state_toset,
- u32 changesource, bool protect_or_not)
+ u32 changesource)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- enum rf_pwrstate rtstate;
bool actionallowed = false;
- u16 rfwait_cnt = 0;
- unsigned long flag;
-
- /*protect_or_not = true; */
-
- if (protect_or_not)
- goto no_protect;
-
- /*
- *Only one thread can change
- *the RF state at one time, and others
- *should wait to be executed.
- */
- while (true) {
- spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
- if (ppsc->rfchange_inprogress) {
- spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock,
- flag);
-
- RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
- ("RF Change in progress!"
- "Wait to set..state_toset(%d).\n",
- state_toset));
-
- /* Set RF after the previous action is done. */
- while (ppsc->rfchange_inprogress) {
- rfwait_cnt++;
- mdelay(1);
-
- /*
- *Wait too long, return false to avoid
- *to be stuck here.
- */
- if (rfwait_cnt > 100)
- return false;
- }
- } else {
- ppsc->rfchange_inprogress = true;
- spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock,
- flag);
- break;
- }
- }
-
-no_protect:
- rtstate = ppsc->rfpwr_state;
switch (state_toset) {
case ERFON:
ppsc->rfoff_reason &= (~changesource);
if ((changesource == RF_CHANGE_BY_HW) &&
- (ppsc->hwradiooff == true)) {
+ (ppsc->hwradiooff)) {
ppsc->hwradiooff = false;
}
@@ -172,12 +126,6 @@ no_protect:
if (actionallowed)
rtlpriv->cfg->ops->set_rf_power_state(hw, state_toset);
- if (!protect_or_not) {
- spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
- ppsc->rfchange_inprogress = false;
- spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
- }
-
return actionallowed;
}
EXPORT_SYMBOL(rtl_ps_set_rf_state);
@@ -200,8 +148,7 @@ static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw)
}
}
- rtl_ps_set_rf_state(hw, ppsc->inactive_pwrstate,
- RF_CHANGE_BY_IPS, false);
+ rtl_ps_set_rf_state(hw, ppsc->inactive_pwrstate, RF_CHANGE_BY_IPS);
if (ppsc->inactive_pwrstate == ERFOFF &&
rtlhal->interface == INTF_PCI) {
@@ -289,12 +236,11 @@ void rtl_ips_nic_on(struct ieee80211_hw *hw)
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
enum rf_pwrstate rtstate;
- unsigned long flags;
if (mac->opmode != NL80211_IFTYPE_STATION)
return;
- spin_lock_irqsave(&rtlpriv->locks.ips_lock, flags);
+ spin_lock(&rtlpriv->locks.ips_lock);
if (ppsc->inactiveps) {
rtstate = ppsc->rfpwr_state;
@@ -310,7 +256,7 @@ void rtl_ips_nic_on(struct ieee80211_hw *hw)
}
}
- spin_unlock_irqrestore(&rtlpriv->locks.ips_lock, flags);
+ spin_unlock(&rtlpriv->locks.ips_lock);
}
/*for FW LPS*/
@@ -428,7 +374,6 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_priv *rtlpriv = rtl_priv(hw);
- unsigned long flag;
if (!ppsc->fwctrl_lps)
return;
@@ -449,7 +394,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
if (mac->link_state != MAC80211_LINKED)
return;
- spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
+ spin_lock(&rtlpriv->locks.lps_lock);
/* Idle for a while if we connect to AP a while ago. */
if (mac->cnt_after_linked >= 2) {
@@ -461,7 +406,7 @@ void rtl_lps_enter(struct ieee80211_hw *hw)
}
}
- spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
+ spin_unlock(&rtlpriv->locks.lps_lock);
}
/*Leave the leisure power save mode.*/
@@ -470,9 +415,8 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- unsigned long flag;
- spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
+ spin_lock(&rtlpriv->locks.lps_lock);
if (ppsc->fwctrl_lps) {
if (ppsc->dot11_psmode != EACTIVE) {
@@ -493,7 +437,7 @@ void rtl_lps_leave(struct ieee80211_hw *hw)
rtl_lps_set_psmode(hw, EACTIVE);
}
}
- spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
+ spin_unlock(&rtlpriv->locks.lps_lock);
}
/* For sw LPS*/
@@ -582,7 +526,6 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- unsigned long flag;
if (!rtlpriv->psc.swctrl_lps)
return;
@@ -595,9 +538,9 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
RT_CLEAR_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM);
}
- spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
- rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS, false);
- spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
+ spin_lock(&rtlpriv->locks.lps_lock);
+ rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS);
+ spin_unlock(&rtlpriv->locks.lps_lock);
}
void rtl_swlps_rfon_wq_callback(void *data)
@@ -614,7 +557,6 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- unsigned long flag;
u8 sleep_intv;
if (!rtlpriv->psc.sw_ps_enabled)
@@ -631,16 +573,9 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
if (rtlpriv->link_info.busytraffic)
return;
- spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flag);
- if (rtlpriv->psc.rfchange_inprogress) {
- spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
- return;
- }
- spin_unlock_irqrestore(&rtlpriv->locks.rf_ps_lock, flag);
-
- spin_lock_irqsave(&rtlpriv->locks.lps_lock, flag);
- rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS, false);
- spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag);
+ spin_lock(&rtlpriv->locks.lps_lock);
+ rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS);
+ spin_unlock(&rtlpriv->locks.lps_lock);
if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_ASPM &&
!RT_IN_PS_LEVEL(ppsc, RT_PS_LEVEL_ASPM)) {
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