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path: root/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_eeprom.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_eeprom.c39
1 files changed, 7 insertions, 32 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 51398f0063e2..d7a5ca722548 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3021,6 +3021,10 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah,
return (pBase->miscConfiguration >> 0x3) & 0x1;
case EEP_ANT_DIV_CTL1:
return eep->base_ext1.ant_div_control;
+ case EEP_ANTENNA_GAIN_5G:
+ return eep->modalHeader5G.antennaGain;
+ case EEP_ANTENNA_GAIN_2G:
+ return eep->modalHeader2G.antennaGain;
default:
return 0;
}
@@ -4764,20 +4768,14 @@ static u16 ar9003_hw_get_max_edge_power(struct ar9300_eeprom *eep,
static void ar9003_hw_set_power_per_rate_table(struct ath_hw *ah,
struct ath9k_channel *chan,
u8 *pPwrArray, u16 cfgCtl,
- u8 twiceAntennaReduction,
- u8 twiceMaxRegulatoryPower,
+ u8 antenna_reduction,
u16 powerLimit)
{
- struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
struct ath_common *common = ath9k_hw_common(ah);
struct ar9300_eeprom *pEepData = &ah->eeprom.ar9300_eep;
u16 twiceMaxEdgePower = MAX_RATE_POWER;
- static const u16 tpScaleReductionTable[5] = {
- 0, 3, 6, 9, MAX_RATE_POWER
- };
int i;
- int16_t twiceLargestAntenna;
- u16 scaledPower = 0, minCtlPower, maxRegAllowedPower;
+ u16 scaledPower = 0, minCtlPower;
static const u16 ctlModesFor11a[] = {
CTL_11A, CTL_5GHT20, CTL_11A_EXT, CTL_5GHT40
};
@@ -4795,28 +4793,7 @@ static void ar9003_hw_set_power_per_rate_table(struct ath_hw *ah,
bool is2ghz = IS_CHAN_2GHZ(chan);
ath9k_hw_get_channel_centers(ah, chan, &centers);
-
- /* Compute TxPower reduction due to Antenna Gain */
- if (is2ghz)
- twiceLargestAntenna = pEepData->modalHeader2G.antennaGain;
- else
- twiceLargestAntenna = pEepData->modalHeader5G.antennaGain;
-
- twiceLargestAntenna = (int16_t)min((twiceAntennaReduction) -
- twiceLargestAntenna, 0);
-
- /*
- * scaledPower is the minimum of the user input power level
- * and the regulatory allowed power level
- */
- maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
-
- if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX) {
- maxRegAllowedPower -=
- (tpScaleReductionTable[(regulatory->tp_scale)] * 2);
- }
-
- scaledPower = min(powerLimit, maxRegAllowedPower);
+ scaledPower = powerLimit - antenna_reduction;
/*
* Reduce scaled Power by number of chains active to get
@@ -5003,7 +4980,6 @@ static inline u8 mcsidx_to_tgtpwridx(unsigned int mcs_idx, u8 base_pwridx)
static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
struct ath9k_channel *chan, u16 cfgCtl,
u8 twiceAntennaReduction,
- u8 twiceMaxRegulatoryPower,
u8 powerLimit, bool test)
{
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
@@ -5056,7 +5032,6 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
ar9003_hw_set_power_per_rate_table(ah, chan,
targetPowerValT2, cfgCtl,
twiceAntennaReduction,
- twiceMaxRegulatoryPower,
powerLimit);
if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) {