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ath9k: Cleanup ineffective return values

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This patch makes the return type of some of the functions
void as those functions always return true

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2009-05-08 17:54:51 -07:00 committed by John W. Linville
parent 19eddca676
commit 8fbff4b838
6 changed files with 36 additions and 85 deletions
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51
drivers/net/wireless/ath/ath9k/eeprom.c
View file

@ -694,7 +694,7 @@ static void ath9k_hw_get_4k_gain_boundaries_pdadcs(struct ath_hw *ah,
#undef TMP_VAL_VPD_TABLE
}
static bool ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah,
static void ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah,
struct ath9k_channel *chan,
int16_t *pTxPowerIndexOffset)
{
@ -805,11 +805,9 @@ static bool ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah,
}
*pTxPowerIndexOffset = 0;
return true;
}
static bool ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
static void ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
struct ath9k_channel *chan,
int16_t *ratesArray,
u16 cfgCtl,
@ -1041,10 +1039,9 @@ static bool ath9k_hw_set_4k_power_per_rate_table(struct ath_hw *ah,
ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0];
ratesArray[rateExtCck] = targetPowerCckExt.tPow2x[0];
}
return true;
}
static int ath9k_hw_4k_set_txpower(struct ath_hw *ah,
static void ath9k_hw_4k_set_txpower(struct ath_hw *ah,
struct ath9k_channel *chan,
u16 cfgCtl,
u8 twiceAntennaReduction,
@ -1065,22 +1062,13 @@ static int ath9k_hw_4k_set_txpower(struct ath_hw *ah,
ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc;
}
if (!ath9k_hw_set_4k_power_per_rate_table(ah, chan,
ath9k_hw_set_4k_power_per_rate_table(ah, chan,
&ratesArray[0], cfgCtl,
twiceAntennaReduction,
twiceMaxRegulatoryPower,
powerLimit)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"ath9k_hw_set_txpower: unable to set "
"tx power per rate table\n");
return -EIO;
}
powerLimit);
if (!ath9k_hw_set_4k_power_cal_table(ah, chan, &txPowerIndexOffset)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"ath9k_hw_set_txpower: unable to set power table\n");
return -EIO;
}
ath9k_hw_set_4k_power_cal_table(ah, chan, &txPowerIndexOffset);
for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]);
@ -1168,7 +1156,6 @@ static int ath9k_hw_4k_set_txpower(struct ath_hw *ah,
else
ah->regulatory.max_power_level = ratesArray[i];
return 0;
}
static void ath9k_hw_4k_set_addac(struct ath_hw *ah,
@ -2103,7 +2090,7 @@ static void ath9k_hw_get_def_gain_boundaries_pdadcs(struct ath_hw *ah,
return;
}
static bool ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
static void ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
struct ath9k_channel *chan,
int16_t *pTxPowerIndexOffset)
{
@ -2255,13 +2242,11 @@ static bool ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
}
*pTxPowerIndexOffset = 0;
return true;
#undef SM_PD_GAIN
#undef SM_PDGAIN_B
}
static bool ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
static void ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
struct ath9k_channel *chan,
int16_t *ratesArray,
u16 cfgCtl,
@ -2549,10 +2534,9 @@ static bool ath9k_hw_set_def_power_per_rate_table(struct ath_hw *ah,
targetPowerCckExt.tPow2x[0];
}
}
return true;
}
static int ath9k_hw_def_set_txpower(struct ath_hw *ah,
static void ath9k_hw_def_set_txpower(struct ath_hw *ah,
struct ath9k_channel *chan,
u16 cfgCtl,
u8 twiceAntennaReduction,
@ -2575,22 +2559,13 @@ static int ath9k_hw_def_set_txpower(struct ath_hw *ah,
ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc;
}
if (!ath9k_hw_set_def_power_per_rate_table(ah, chan,
ath9k_hw_set_def_power_per_rate_table(ah, chan,
&ratesArray[0], cfgCtl,
twiceAntennaReduction,
twiceMaxRegulatoryPower,
powerLimit)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"ath9k_hw_set_txpower: unable to set "
"tx power per rate table\n");
return -EIO;
}
powerLimit);
if (!ath9k_hw_set_def_power_cal_table(ah, chan, &txPowerIndexOffset)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"ath9k_hw_set_txpower: unable to set power table\n");
return -EIO;
}
ath9k_hw_set_def_power_cal_table(ah, chan, &txPowerIndexOffset);
for (i = 0; i < ARRAY_SIZE(ratesArray); i++) {
ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]);
@ -2717,8 +2692,6 @@ static int ath9k_hw_def_set_txpower(struct ath_hw *ah,
"Invalid chainmask configuration\n");
break;
}
return 0;
}
static u8 ath9k_hw_def_get_num_ant_config(struct ath_hw *ah,

2
drivers/net/wireless/ath/ath9k/eeprom.h
View file

@ -494,7 +494,7 @@ struct eeprom_ops {
struct ath9k_channel *chan);
void (*set_board_values)(struct ath_hw *hw, struct ath9k_channel *chan);
void (*set_addac)(struct ath_hw *hw, struct ath9k_channel *chan);
int (*set_txpower)(struct ath_hw *hw, struct ath9k_channel *chan,
void (*set_txpower)(struct ath_hw *hw, struct ath9k_channel *chan,
u16 cfgCtl, u8 twiceAntennaReduction,
u8 twiceMaxRegulatoryPower, u8 powerLimit);
u16 (*get_spur_channel)(struct ath_hw *ah, u16 i, bool is2GHz);

57
drivers/net/wireless/ath/ath9k/hw.c
View file

@ -1274,7 +1274,6 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
int i, regWrites = 0;
struct ieee80211_channel *channel = chan->chan;
u32 modesIndex, freqIndex;
int status;
switch (chan->chanmode) {
case CHANNEL_A:
@ -1376,17 +1375,12 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
if (OLC_FOR_AR9280_20_LATER)
ath9k_olc_init(ah);
status = ah->eep_ops->set_txpower(ah, chan,
ath9k_regd_get_ctl(&ah->regulatory, chan),
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
(u32) ah->regulatory.power_limit));
if (status != 0) {
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Error initializing transmit power\n");
return -EIO;
}
ah->eep_ops->set_txpower(ah, chan,
ath9k_regd_get_ctl(&ah->regulatory, chan),
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
(u32) ah->regulatory.power_limit));
if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
@ -1701,11 +1695,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
ath9k_hw_set_regs(ah, chan, macmode);
if (AR_SREV_9280_10_OR_LATER(ah)) {
if (!(ath9k_hw_ar9280_set_channel(ah, chan))) {
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Failed to set channel\n");
return false;
}
ath9k_hw_ar9280_set_channel(ah, chan);
} else {
if (!(ath9k_hw_set_channel(ah, chan))) {
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
@ -1714,16 +1704,12 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
}
}
if (ah->eep_ops->set_txpower(ah, chan,
ah->eep_ops->set_txpower(ah, chan,
ath9k_regd_get_ctl(&ah->regulatory, chan),
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
(u32) ah->regulatory.power_limit)) != 0) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"Error initializing transmit power\n");
return false;
}
(u32) ah->regulatory.power_limit));
synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
if (IS_CHAN_B(chan))
@ -2311,13 +2297,11 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
if (AR_SREV_9280_10_OR_LATER(ah)) {
if (!(ath9k_hw_ar9280_set_channel(ah, chan)))
return -EIO;
} else {
if (AR_SREV_9280_10_OR_LATER(ah))
ath9k_hw_ar9280_set_channel(ah, chan);
else
if (!(ath9k_hw_set_channel(ah, chan)))
return -EIO;
}
for (i = 0; i < AR_NUM_DCU; i++)
REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
@ -3748,22 +3732,19 @@ bool ath9k_hw_disable(struct ath_hw *ah)
return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD);
}
bool ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
{
struct ath9k_channel *chan = ah->curchan;
struct ieee80211_channel *channel = chan->chan;
ah->regulatory.power_limit = min(limit, (u32) MAX_RATE_POWER);
if (ah->eep_ops->set_txpower(ah, chan,
ath9k_regd_get_ctl(&ah->regulatory, chan),
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
(u32) ah->regulatory.power_limit)) != 0)
return false;
return true;
ah->eep_ops->set_txpower(ah, chan,
ath9k_regd_get_ctl(&ah->regulatory, chan),
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
(u32) ah->regulatory.power_limit));
}
void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)

2
drivers/net/wireless/ath/ath9k/hw.h
View file

@ -590,7 +590,7 @@ u32 ath9k_hw_getrxfilter(struct ath_hw *ah);
void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits);
bool ath9k_hw_phy_disable(struct ath_hw *ah);
bool ath9k_hw_disable(struct ath_hw *ah);
bool ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit);
void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit);
void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac);
void ath9k_hw_setopmode(struct ath_hw *ah);
void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1);

7
drivers/net/wireless/ath/ath9k/phy.c
View file

@ -96,9 +96,8 @@ ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
return true;
}
bool
ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
struct ath9k_channel *chan)
void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
struct ath9k_channel *chan)
{
u16 bMode, fracMode, aModeRefSel = 0;
u32 freq, ndiv, channelSel = 0, channelFrac = 0, reg32 = 0;
@ -169,8 +168,6 @@ ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
ah->curchan = chan;
ah->curchan_rad_index = -1;
return true;
}
static void

2
drivers/net/wireless/ath/ath9k/phy.h
View file

@ -17,7 +17,7 @@
#ifndef PHY_H
#define PHY_H
bool ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
void ath9k_hw_ar9280_set_channel(struct ath_hw *ah,
struct ath9k_channel
*chan);
bool ath9k_hw_set_channel(struct ath_hw *ah,