[PATCH 02/10] staging: rtl8192e: Remove unchanged variable bInactivePs

From: Philipp Hortmann
Date: Sat Oct 01 2022 - 05:41:01 EST


bInactivePs is just once initialized and never changed. The evaluation
will always have the same result. Remove resulting dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>
---
drivers/staging/rtl8192e/rtl8192e/rtl_cam.c | 18 ++++---
drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 1 -
drivers/staging/rtl8192e/rtl8192e/rtl_ps.c | 49 +++++++++-----------
drivers/staging/rtl8192e/rtl8192e/rtl_wx.c | 48 +++++++++----------
drivers/staging/rtl8192e/rtllib.h | 2 -
5 files changed, 51 insertions(+), 67 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
index 41faeb4b9b9b..8c3ce6cc2541 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
@@ -81,17 +81,15 @@ void rtl92e_set_key(struct net_device *dev, u8 EntryNo, u8 KeyIndex,
enum rt_rf_power_state rt_state;

rt_state = priv->rtllib->rf_power_state;
- if (priv->rtllib->PowerSaveControl.bInactivePs) {
- if (rt_state == rf_off) {
- if (priv->rtllib->rf_off_reason > RF_CHANGE_BY_IPS) {
- netdev_warn(dev, "%s(): RF is OFF.\n",
- __func__);
- return;
- }
- mutex_lock(&priv->rtllib->ips_mutex);
- rtl92e_ips_leave(dev);
- mutex_unlock(&priv->rtllib->ips_mutex);
+ if (rt_state == rf_off) {
+ if (priv->rtllib->rf_off_reason > RF_CHANGE_BY_IPS) {
+ netdev_warn(dev, "%s(): RF is OFF.\n",
+ __func__);
+ return;
}
+ mutex_lock(&priv->rtllib->ips_mutex);
+ rtl92e_ips_leave(dev);
+ mutex_unlock(&priv->rtllib->ips_mutex);
}
priv->rtllib->is_set_key = true;
if (EntryNo >= TOTAL_CAM_ENTRY) {
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 10b79003c633..7c0fd2bce923 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -886,7 +886,6 @@ static void _rtl92e_init_priv_variable(struct net_device *dev)
priv->rf_change_in_progress = false;
priv->bHwRfOffAction = 0;
priv->SetRFPowerStateInProgress = false;
- priv->rtllib->PowerSaveControl.bInactivePs = true;
priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
priv->rtllib->PowerSaveControl.bLeisurePs = true;
priv->rtllib->LPSDelayCnt = 0;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
index 49c50ec21d04..fba86ef730b5 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c
@@ -116,16 +116,14 @@ void rtl92e_ips_enter(struct net_device *dev)
&(priv->rtllib->PowerSaveControl);
enum rt_rf_power_state rt_state;

- if (pPSC->bInactivePs) {
- rt_state = priv->rtllib->rf_power_state;
- if (rt_state == rf_on && !pPSC->bSwRfProcessing &&
- (priv->rtllib->state != RTLLIB_LINKED) &&
- (priv->rtllib->iw_mode != IW_MODE_MASTER)) {
- pPSC->eInactivePowerState = rf_off;
- priv->isRFOff = true;
- priv->bInPowerSaveMode = true;
- _rtl92e_ps_update_rf_state(dev);
- }
+ rt_state = priv->rtllib->rf_power_state;
+ if (rt_state == rf_on && !pPSC->bSwRfProcessing &&
+ (priv->rtllib->state != RTLLIB_LINKED) &&
+ (priv->rtllib->iw_mode != IW_MODE_MASTER)) {
+ pPSC->eInactivePowerState = rf_off;
+ priv->isRFOff = true;
+ priv->bInPowerSaveMode = true;
+ _rtl92e_ps_update_rf_state(dev);
}
}

@@ -136,14 +134,12 @@ void rtl92e_ips_leave(struct net_device *dev)
&(priv->rtllib->PowerSaveControl);
enum rt_rf_power_state rt_state;

- if (pPSC->bInactivePs) {
- rt_state = priv->rtllib->rf_power_state;
- if (rt_state != rf_on && !pPSC->bSwRfProcessing &&
- priv->rtllib->rf_off_reason <= RF_CHANGE_BY_IPS) {
- pPSC->eInactivePowerState = rf_on;
- priv->bInPowerSaveMode = false;
- _rtl92e_ps_update_rf_state(dev);
- }
+ rt_state = priv->rtllib->rf_power_state;
+ if (rt_state != rf_on && !pPSC->bSwRfProcessing &&
+ priv->rtllib->rf_off_reason <= RF_CHANGE_BY_IPS) {
+ pPSC->eInactivePowerState = rf_on;
+ priv->bInPowerSaveMode = false;
+ _rtl92e_ps_update_rf_state(dev);
}
}

@@ -165,18 +161,15 @@ void rtl92e_rtllib_ips_leave_wq(struct net_device *dev)
enum rt_rf_power_state rt_state;

rt_state = priv->rtllib->rf_power_state;
-
- if (priv->rtllib->PowerSaveControl.bInactivePs) {
- if (rt_state == rf_off) {
- if (priv->rtllib->rf_off_reason > RF_CHANGE_BY_IPS) {
- netdev_warn(dev, "%s(): RF is OFF.\n",
- __func__);
- return;
- }
- netdev_info(dev, "=========>%s(): rtl92e_ips_leave\n",
+ if (rt_state == rf_off) {
+ if (priv->rtllib->rf_off_reason > RF_CHANGE_BY_IPS) {
+ netdev_warn(dev, "%s(): RF is OFF.\n",
__func__);
- schedule_work(&priv->rtllib->ips_leave_wq);
+ return;
}
+ netdev_info(dev, "=========>%s(): rtl92e_ips_leave\n",
+ __func__);
+ schedule_work(&priv->rtllib->ips_leave_wq);
}
}

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index 4920cb49e381..12eea4fcb9dd 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -252,22 +252,20 @@ static int _rtl92e_wx_set_mode(struct net_device *dev,
mutex_lock(&priv->wx_mutex);
if (wrqu->mode == IW_MODE_ADHOC || wrqu->mode == IW_MODE_MONITOR ||
ieee->bNetPromiscuousMode) {
- if (priv->rtllib->PowerSaveControl.bInactivePs) {
- if (rt_state == rf_off) {
- if (priv->rtllib->rf_off_reason >
- RF_CHANGE_BY_IPS) {
- netdev_warn(dev, "%s(): RF is OFF.\n",
- __func__);
- mutex_unlock(&priv->wx_mutex);
- return -1;
- }
- netdev_info(dev,
- "=========>%s(): rtl92e_ips_leave\n",
+ if (rt_state == rf_off) {
+ if (priv->rtllib->rf_off_reason >
+ RF_CHANGE_BY_IPS) {
+ netdev_warn(dev, "%s(): RF is OFF.\n",
__func__);
- mutex_lock(&priv->rtllib->ips_mutex);
- rtl92e_ips_leave(dev);
- mutex_unlock(&priv->rtllib->ips_mutex);
+ mutex_unlock(&priv->wx_mutex);
+ return -1;
}
+ netdev_info(dev,
+ "=========>%s(): rtl92e_ips_leave\n",
+ __func__);
+ mutex_lock(&priv->rtllib->ips_mutex);
+ rtl92e_ips_leave(dev);
+ mutex_unlock(&priv->rtllib->ips_mutex);
}
}
ret = rtllib_wx_set_mode(priv->rtllib, a, wrqu, b);
@@ -414,19 +412,17 @@ static int _rtl92e_wx_set_scan(struct net_device *dev,
priv->rtllib->FirstIe_InScan = true;

if (priv->rtllib->state != RTLLIB_LINKED) {
- if (priv->rtllib->PowerSaveControl.bInactivePs) {
- if (rt_state == rf_off) {
- if (priv->rtllib->rf_off_reason >
- RF_CHANGE_BY_IPS) {
- netdev_warn(dev, "%s(): RF is OFF.\n",
- __func__);
- mutex_unlock(&priv->wx_mutex);
- return -1;
- }
- mutex_lock(&priv->rtllib->ips_mutex);
- rtl92e_ips_leave(dev);
- mutex_unlock(&priv->rtllib->ips_mutex);
+ if (rt_state == rf_off) {
+ if (priv->rtllib->rf_off_reason >
+ RF_CHANGE_BY_IPS) {
+ netdev_warn(dev, "%s(): RF is OFF.\n",
+ __func__);
+ mutex_unlock(&priv->wx_mutex);
+ return -1;
}
+ mutex_lock(&priv->rtllib->ips_mutex);
+ rtl92e_ips_leave(dev);
+ mutex_unlock(&priv->rtllib->ips_mutex);
}
rtllib_stop_scan(priv->rtllib);
if (priv->rtllib->LedControlHandler)
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 40bea71bcb22..d23d1c3ce39b 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1250,8 +1250,6 @@ enum rt_rf_power_state {
};

struct rt_pwr_save_ctrl {
-
- bool bInactivePs;
bool bIPSModeBackup;
bool bSwRfProcessing;
enum rt_rf_power_state eInactivePowerState;
--
2.37.3