Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

rtlwifi: rtl8192cu: Remove unused parameter

Browse source 
rtl_ps_set_rf_state's protect_or_not parameter is not set to
true anywhere, except for commented out code.

It enables some legacy locking code, which is no longer used,
so delete the parameter and the old locking code.

Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mike McCormack 2011-06-20 10:46:05 +09:00 committed by John W. Linville
parent 9c05044037
commit 4b9d8d67b4
3 changed files with 7 additions and 62 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

63
drivers/net/wireless/rtlwifi/ps.c
View file

@ -79,53 +79,12 @@ 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));
bool actionallowed = false;
u16 rfwait_cnt = 0;
/*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(&rtlpriv->locks.rf_ps_lock);
if (ppsc->rfchange_inprogress) {
spin_unlock(&rtlpriv->locks.rf_ps_lock);
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(&rtlpriv->locks.rf_ps_lock);
break;
}
}
no_protect:
switch (state_toset) {
case ERFON:
ppsc->rfoff_reason &= (~changesource);
@ -167,12 +126,6 @@ bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
if (actionallowed)
rtlpriv->cfg->ops->set_rf_power_state(hw, state_toset);
if (!protect_or_not) {
spin_lock(&rtlpriv->locks.rf_ps_lock);
ppsc->rfchange_inprogress = false;
spin_unlock(&rtlpriv->locks.rf_ps_lock);
}
return actionallowed;
}
EXPORT_SYMBOL(rtl_ps_set_rf_state);
@ -195,8 +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) {
@ -587,7 +539,7 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
}
spin_lock(&rtlpriv->locks.lps_lock);
rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS, false);
rtl_ps_set_rf_state(hw, ERFON, RF_CHANGE_BY_PS);
spin_unlock(&rtlpriv->locks.lps_lock);
}
@ -621,15 +573,8 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
if (rtlpriv->link_info.busytraffic)
return;
spin_lock(&rtlpriv->locks.rf_ps_lock);
if (rtlpriv->psc.rfchange_inprogress) {
spin_unlock(&rtlpriv->locks.rf_ps_lock);
return;
}
spin_unlock(&rtlpriv->locks.rf_ps_lock);
spin_lock(&rtlpriv->locks.lps_lock);
rtl_ps_set_rf_state(hw, ERFSLEEP, RF_CHANGE_BY_PS, false);
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 &&

3
drivers/net/wireless/rtlwifi/ps.h
View file

@ -33,8 +33,7 @@
#define MAX_SW_LPS_SLEEP_INTV 5
bool rtl_ps_set_rf_state(struct ieee80211_hw *hw,
enum rf_pwrstate state_toset, u32 changesource,
bool protect_or_not);
enum rf_pwrstate state_toset, u32 changesource);
bool rtl_ps_enable_nic(struct ieee80211_hw *hw);
bool rtl_ps_disable_nic(struct ieee80211_hw *hw);
void rtl_ips_nic_off(struct ieee80211_hw *hw);

3
drivers/net/wireless/rtlwifi/rtl8192se/hw.c
View file

@ -994,7 +994,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw)
rtlpriv->psc.rfoff_reason = RF_CHANGE_BY_INIT;
rtlpriv->psc.rfpwr_state = ERFON;
rtl_ps_set_rf_state(hw, ERFOFF, rfoffreason, true);
/* FIXME: check spinlocks if this block is uncommented */
rtl_ps_set_rf_state(hw, ERFOFF, rfoffreason);
} else {
/* gpio radio on/off is out of adapter start */
if (rtlpriv->psc.hwradiooff == false) {