[PATCH RESEND 3/4] staging: rtl8192u: remove redundant code

Lorenzo Stoakes
2015-01-10T19:50:54Z

This patch fixes warnings/errors raised by checkpatch.pl relating to redundant
code in r8192U_dm.c.

Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
---
drivers/staging/rtl8192u/r8192U_dm.c | 176 +++++++++++++++++------------------
1 file changed, 84 insertions(+), 92 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U_dm.c b/drivers/staging/rtl8192u/r8192U_dm.c
index 862d2ab..ed566bb 100644
--- a/drivers/staging/rtl8192u/r8192U_dm.c
+++ b/drivers/staging/rtl8192u/r8192U_dm.c
@@ -410,9 +410,9 @@ static void dm_check_rate_adaptive(struct net_device *dev)

ratr_value = targetRATR;
RT_TRACE(COMP_RATE, "currentRATR = %x, targetRATR = %x\n", currentRATR, targetRATR);
- if (priv->rf_type == RF_1T2R) {
+ if (priv->rf_type == RF_1T2R)
ratr_value &= ~(RATE_ALL_OFDM_2SS);
- }
+
write_nic_dword(dev, RATR0, ratr_value);
write_nic_byte(dev, UFWP, 1);

@@ -440,18 +440,17 @@ static void dm_bandwidth_autoswitch(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);

- if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 || !priv->ieee80211->bandwidth_auto_switch.bautoswitch_enable) {
+ if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 || !priv->ieee80211->bandwidth_auto_switch.bautoswitch_enable)
return;
- } else {
- if (priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz == false) { /* If send packets in 40 Mhz in 20/40 */
- if (priv->undecorated_smoothed_pwdb <= priv->ieee80211->bandwidth_auto_switch.threshold_40Mhzto20Mhz)
- priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = true;
- } else { /* in force send packets in 20 Mhz in 20/40 */
- if (priv->undecorated_smoothed_pwdb >= priv->ieee80211->bandwidth_auto_switch.threshold_20Mhzto40Mhz)
- priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = false;

- }
+ if (priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz == false) { /* If send packets in 40 Mhz in 20/40 */
+ if (priv->undecorated_smoothed_pwdb <= priv->ieee80211->bandwidth_auto_switch.threshold_40Mhzto20Mhz)
+ priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = true;
+ } else { /* in force send packets in 20 Mhz in 20/40 */
+ if (priv->undecorated_smoothed_pwdb >= priv->ieee80211->bandwidth_auto_switch.threshold_20Mhzto40Mhz)
+ priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = false;
}
+
} /* dm_BandwidthAutoSwitch */

/* OFDM default at 0db, index=6. */
@@ -538,9 +537,8 @@ static void dm_TXPowerTrackingCallback_TSSI(struct net_device *dev)
tx_cmd.Length = 4;
tx_cmd.Value = Value;
rtStatus = SendTxCommandPacket(dev, &tx_cmd, 12);
- if (rtStatus == RT_STATUS_FAILURE) {
+ if (rtStatus == RT_STATUS_FAILURE)
RT_TRACE(COMP_POWER_TRACKING, "Set configuration with tx cmd queue fail!\n");
- }
mdelay(1);
/*DbgPrint("hi, vivi, strange\n");*/
for (i = 0; i <= 30; i++) {
@@ -580,9 +578,8 @@ static void dm_TXPowerTrackingCallback_TSSI(struct net_device *dev)
break;
}

- for (k = 0; k < 5; k++) {
+ for (k = 0; k < 5; k++)
Avg_TSSI_Meas_from_driver += tmp_report[k];
- }

Avg_TSSI_Meas_from_driver = Avg_TSSI_Meas_from_driver*100/5;
RT_TRACE(COMP_POWER_TRACKING, "Avg_TSSI_Meas_from_driver = %d\n", Avg_TSSI_Meas_from_driver);
@@ -605,56 +602,55 @@ static void dm_TXPowerTrackingCallback_TSSI(struct net_device *dev)
RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attentuation_difference = %d\n", priv->cck_present_attentuation_difference);
RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attentuation = %d\n", priv->cck_present_attentuation);
return;
- } else {
- if (Avg_TSSI_Meas_from_driver < TSSI_13dBm - E_FOR_TX_POWER_TRACK) {
- if (priv->rfa_txpowertrackingindex > 0) {
- priv->rfa_txpowertrackingindex--;
- if (priv->rfa_txpowertrackingindex_real > 4) {
- priv->rfa_txpowertrackingindex_real--;
- rtl8192_setBBreg(dev, rOFDM0_XATxIQImbalance, bMaskDWord, priv->txbbgain_table[priv->rfa_txpowertrackingindex_real].txbbgain_value);
- }
- }
- } else {
- if (priv->rfa_txpowertrackingindex < 36) {
- priv->rfa_txpowertrackingindex++;
- priv->rfa_txpowertrackingindex_real++;
+ }
+ if (Avg_TSSI_Meas_from_driver < TSSI_13dBm - E_FOR_TX_POWER_TRACK) {
+ if (priv->rfa_txpowertrackingindex > 0) {
+ priv->rfa_txpowertrackingindex--;
+ if (priv->rfa_txpowertrackingindex_real > 4) {
+ priv->rfa_txpowertrackingindex_real--;
rtl8192_setBBreg(dev, rOFDM0_XATxIQImbalance, bMaskDWord, priv->txbbgain_table[priv->rfa_txpowertrackingindex_real].txbbgain_value);
-
}
}
- priv->cck_present_attentuation_difference
- = priv->rfa_txpowertrackingindex - priv->rfa_txpowertracking_default;
+ } else {
+ if (priv->rfa_txpowertrackingindex < 36) {
+ priv->rfa_txpowertrackingindex++;
+ priv->rfa_txpowertrackingindex_real++;
+ rtl8192_setBBreg(dev, rOFDM0_XATxIQImbalance, bMaskDWord, priv->txbbgain_table[priv->rfa_txpowertrackingindex_real].txbbgain_value);

- if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20)
- priv->cck_present_attentuation
- = priv->cck_present_attentuation_20Mdefault + priv->cck_present_attentuation_difference;
- else
- priv->cck_present_attentuation
- = priv->cck_present_attentuation_40Mdefault + priv->cck_present_attentuation_difference;
-
- if (priv->cck_present_attentuation > -1 && priv->cck_present_attentuation < 23) {
- if (priv->ieee80211->current_network.channel == 14 && !priv->bcck_in_ch14) {
- priv->bcck_in_ch14 = TRUE;
- dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
- } else if (priv->ieee80211->current_network.channel != 14 && priv->bcck_in_ch14) {
- priv->bcck_in_ch14 = FALSE;
- dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
- } else
- dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
}
- RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex = %d\n", priv->rfa_txpowertrackingindex);
- RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real = %d\n", priv->rfa_txpowertrackingindex_real);
- RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attentuation_difference = %d\n", priv->cck_present_attentuation_difference);
- RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attentuation = %d\n", priv->cck_present_attentuation);
+ }
+ priv->cck_present_attentuation_difference
+ = priv->rfa_txpowertrackingindex - priv->rfa_txpowertracking_default;

- if (priv->cck_present_attentuation_difference <= -12 || priv->cck_present_attentuation_difference >= 24) {
- priv->ieee80211->bdynamic_txpower_enable = TRUE;
- write_nic_byte(dev, 0x1ba, 0);
- RT_TRACE(COMP_POWER_TRACKING, "tx power track--->limited\n");
- return;
- }
+ if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20)
+ priv->cck_present_attentuation
+ = priv->cck_present_attentuation_20Mdefault + priv->cck_present_attentuation_difference;
+ else
+ priv->cck_present_attentuation
+ = priv->cck_present_attentuation_40Mdefault + priv->cck_present_attentuation_difference;
+
+ if (priv->cck_present_attentuation > -1 && priv->cck_present_attentuation < 23) {
+ if (priv->ieee80211->current_network.channel == 14 && !priv->bcck_in_ch14) {
+ priv->bcck_in_ch14 = TRUE;
+ dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
+ } else if (priv->ieee80211->current_network.channel != 14 && priv->bcck_in_ch14) {
+ priv->bcck_in_ch14 = FALSE;
+ dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
+ } else
+ dm_cck_txpower_adjust(dev, priv->bcck_in_ch14);
+ }
+ RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex = %d\n", priv->rfa_txpowertrackingindex);
+ RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real = %d\n", priv->rfa_txpowertrackingindex_real);
+ RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attentuation_difference = %d\n", priv->cck_present_attentuation_difference);
+ RT_TRACE(COMP_POWER_TRACKING, "priv->cck_present_attentuation = %d\n", priv->cck_present_attentuation);

+ if (priv->cck_present_attentuation_difference <= -12 || priv->cck_present_attentuation_difference >= 24) {
+ priv->ieee80211->bdynamic_txpower_enable = TRUE;
+ write_nic_byte(dev, 0x1ba, 0);
+ RT_TRACE(COMP_POWER_TRACKING, "tx power track--->limited\n");
+ return;
}
+
write_nic_byte(dev, 0x1ba, 0);
Avg_TSSI_Meas_from_driver = 0;
for (k = 0; k < 5; k++)
@@ -1324,12 +1320,11 @@ static void dm_CheckTXPowerTracking_TSSI(struct net_device *dev)

if (!priv->btxpower_tracking)
return;
- else {
- if ((tx_power_track_counter % 30 == 0) && (tx_power_track_counter != 0)) {
- queue_delayed_work(priv->priv_wq, &priv->txpower_tracking_wq, 0);
- }
- tx_power_track_counter++;
- }
+
+ if ((tx_power_track_counter % 30 == 0) && (tx_power_track_counter != 0))
+ queue_delayed_work(priv->priv_wq, &priv->txpower_tracking_wq, 0);
+
+ tx_power_track_counter++;
}

static void dm_CheckTXPowerTracking_ThermalMeter(struct net_device *dev)
@@ -1339,11 +1334,10 @@ static void dm_CheckTXPowerTracking_ThermalMeter(struct net_device *dev)
/*DbgPrint("dm_CheckTXPowerTracking()\n");*/
if (!priv->btxpower_tracking)
return;
- else {
- if (priv->txpower_count <= 2) {
- priv->txpower_count++;
- return;
- }
+
+ if (priv->txpower_count <= 2) {
+ priv->txpower_count++;
+ return;
}

if (!TM_Trigger) {
@@ -1358,11 +1352,11 @@ static void dm_CheckTXPowerTracking_ThermalMeter(struct net_device *dev)
rtl8192_phy_SetRFReg(dev, RF90_PATH_A, 0x02, bMask12Bits, 0x4f);
TM_Trigger = 1;
return;
- } else {
- /*DbgPrint("Schedule TxPowerTrackingWorkItem\n");*/
- queue_delayed_work(priv->priv_wq, &priv->txpower_tracking_wq, 0);
- TM_Trigger = 0;
}
+
+ /*DbgPrint("Schedule TxPowerTrackingWorkItem\n");*/
+ queue_delayed_work(priv->priv_wq, &priv->txpower_tracking_wq, 0);
+ TM_Trigger = 0;
}

static void dm_check_txpower_tracking(struct net_device *dev)
@@ -1834,16 +1828,16 @@ static void dm_ctrl_initgain_byrssi_by_fwfalse_alarm(
DM_DigTable.RssiHighThresh, DM_DigTable.Dig_State);*/
/* 1. When RSSI decrease, We have to judge if it is smaller than a threshold
and then execute the step below. */
- if ((priv->undecorated_smoothed_pwdb <= dm_digtable.rssi_low_thresh)) {
+ if (priv->undecorated_smoothed_pwdb <= dm_digtable.rssi_low_thresh) {
/* 2008/02/05 MH When we execute silent reset, the DIG PHY parameters
will be reset to init value. We must prevent the condition. */
if (dm_digtable.dig_state == DM_STA_DIG_OFF &&
(priv->reset_count == reset_cnt)) {
return;
- } else {
- reset_cnt = priv->reset_count;
}

+ reset_cnt = priv->reset_count;
+
/* If DIG is off, DIG high power state must reset. */
dm_digtable.dig_highpwr_state = DM_STA_DIG_MAX;
dm_digtable.dig_state = DM_STA_DIG_OFF;
@@ -1884,20 +1878,20 @@ static void dm_ctrl_initgain_byrssi_by_fwfalse_alarm(

/* 2. When RSSI increase, We have to judge if it is larger than a threshold
and then execute the step below. */
- if ((priv->undecorated_smoothed_pwdb >= dm_digtable.rssi_high_thresh)) {
+ if (priv->undecorated_smoothed_pwdb >= dm_digtable.rssi_high_thresh) {
u8 reset_flag = 0;

if (dm_digtable.dig_state == DM_STA_DIG_ON &&
(priv->reset_count == reset_cnt)) {
dm_ctrl_initgain_byrssi_highpwr(dev);
return;
- } else {
- if (priv->reset_count != reset_cnt)
- reset_flag = 1;
-
- reset_cnt = priv->reset_count;
}

+ if (priv->reset_count != reset_cnt)
+ reset_flag = 1;
+
+ reset_cnt = priv->reset_count;
+
dm_digtable.dig_state = DM_STA_DIG_ON;
/*DbgPrint("DIG ON\n\r");*/

@@ -1989,8 +1983,8 @@ static void dm_ctrl_initgain_byrssi_highpwr(
if (dm_digtable.dig_highpwr_state == DM_STA_DIG_ON &&
(priv->reset_count == reset_cnt_highpwr))
return;
- else
- dm_digtable.dig_highpwr_state = DM_STA_DIG_ON;
+
+ dm_digtable.dig_highpwr_state = DM_STA_DIG_ON;

/* 3.1 Higher PD_TH for OFDM for high power state. */
if (priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20) {
@@ -2006,8 +2000,8 @@ static void dm_ctrl_initgain_byrssi_highpwr(
if (dm_digtable.dig_highpwr_state == DM_STA_DIG_OFF &&
(priv->reset_count == reset_cnt_highpwr))
return;
- else
- dm_digtable.dig_highpwr_state = DM_STA_DIG_OFF;
+
+ dm_digtable.dig_highpwr_state = DM_STA_DIG_OFF;

if (priv->undecorated_smoothed_pwdb < dm_digtable.rssi_high_power_lowthresh &&
priv->undecorated_smoothed_pwdb >= dm_digtable.rssi_high_thresh) {
@@ -2104,7 +2098,7 @@ static void dm_pd_th(
if (dm_digtable.cur_connect_state == DIG_CONNECT) {
if (dm_digtable.rssi_val >= dm_digtable.rssi_high_power_highthresh)
dm_digtable.curpd_thstate = DIG_PD_AT_HIGH_POWER;
- else if ((dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh))
+ else if (dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh)
dm_digtable.curpd_thstate = DIG_PD_AT_LOW_POWER;
else if ((dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh) &&
(dm_digtable.rssi_val < dm_digtable.rssi_high_power_lowthresh))
@@ -2186,9 +2180,9 @@ static void dm_cs_ratio(

if (dm_digtable.pre_connect_state == dm_digtable.cur_connect_state) {
if (dm_digtable.cur_connect_state == DIG_CONNECT) {
- if ((dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh))
+ if (dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh)
dm_digtable.curcs_ratio_state = DIG_CS_RATIO_LOWER;
- else if ((dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh))
+ else if (dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh)
dm_digtable.curcs_ratio_state = DIG_CS_RATIO_HIGHER;
else
dm_digtable.curcs_ratio_state = dm_digtable.precs_ratio_state;
@@ -3091,11 +3085,10 @@ static void dm_dynamic_txpower(struct net_device *dev)
priv->bDynamicTxHighPower = false;

/* low power state check */
- if (priv->undecorated_smoothed_pwdb < 35) {
+ if (priv->undecorated_smoothed_pwdb < 35)
priv->bDynamicTxLowPower = true;
- } else if (priv->undecorated_smoothed_pwdb >= 40) {
+ else if (priv->undecorated_smoothed_pwdb >= 40)
priv->bDynamicTxLowPower = false;
- }
}
} else {
/*pHalData->bTXPowerCtrlforNearFarRange = !pHalData->bTXPowerCtrlforNearFarRange;*/
@@ -3146,7 +3139,6 @@ static void dm_send_rssi_tofw(struct net_device *dev)
* 0x1e0(byte) to notify driver.
*/
write_nic_byte(dev, DRIVER_RSSI, (u8)priv->undecorated_smoothed_pwdb);
- return;
}

/*---------------------------Define function prototype------------------------*/
--
2.2.1