it is possible to reduce time needed for this function
by rplacing REG_WRITE with REG_RMW (plus dummy 0) and putt all commands
in same buffer.
Signed-off-by: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/eeprom_4k.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
index 291c1d1..38dc965 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -772,15 +772,14 @@ static void ath9k_hw_4k_set_gain(struct ath_hw *ah,
struct ar5416_eeprom_4k *eep,
u8 txRxAttenLocal)
{
- REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0,
- pModal->antCtrlChain[0]);
+ ENABLE_REG_RMW_BUFFER(ah);
+ REG_RMW(ah, AR_PHY_SWITCH_CHAIN_0,
+ pModal->antCtrlChain[0], 0);
- REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0),
- (REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) &
- ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF |
- AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
- SM(pModal->iqCalICh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
- SM(pModal->iqCalQCh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
+ REG_RMW(ah, AR_PHY_TIMING_CTRL4(0),
+ SM(pModal->iqCalICh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
+ SM(pModal->iqCalQCh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF),
+ AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF | AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF);
if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
AR5416_EEP_MINOR_VER_3) {
@@ -819,6 +818,7 @@ static void ath9k_hw_4k_set_gain(struct ath_hw *ah,
AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal);
REG_RMW_FIELD(ah, AR_PHY_RXGAIN + 0x1000,
AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]);
+ REG_RMW_BUFFER_FLUSH(ah);
}
/*
--
1.9.1
--
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