From: Vasanthakumar Thiagarajan Date: Sat, 9 May 2009 00:54:51 +0000 (-0700) Subject: ath9k: Cleanup ineffective return values X-Git-Tag: v3.0~8655^2~464^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8fbff4b838c53945d6baeafe609c627000f85cd6;p=platform%2Fkernel%2Flinux-amlogic.git ath9k: Cleanup ineffective return values This patch makes the return type of some of the functions void as those functions always return true Signed-off-by: Vasanthakumar Thiagarajan Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c index 44fee5a..a2fda70 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.c +++ b/drivers/net/wireless/ath/ath9k/eeprom.c @@ -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, diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h index 7c59dc4..67b8bd12 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.h +++ b/drivers/net/wireless/ath/ath9k/eeprom.h @@ -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); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 9e1db85..4acfab5 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -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) diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index ddb24c4..dd8508e 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -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); diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c index 5ec9ce9..aaa9415 100644 --- a/drivers/net/wireless/ath/ath9k/phy.c +++ b/drivers/net/wireless/ath/ath9k/phy.c @@ -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 diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h index 296d0e9..c70f530 100644 --- a/drivers/net/wireless/ath/ath9k/phy.h +++ b/drivers/net/wireless/ath/ath9k/phy.h @@ -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,