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path: root/drivers/net/wireless/ath/ath9k/calib.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/calib.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/calib.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 3234995e888..0ad6d0b76e9 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -609,14 +609,24 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
AR_PHY_CH1_EXT_CCA,
AR_PHY_CH2_EXT_CCA
};
- u8 chainmask;
+ u8 chainmask, rx_chain_status;
+ rx_chain_status = REG_READ(ah, AR_PHY_RX_CHAINMASK);
if (AR_SREV_9285(ah))
chainmask = 0x9;
- else if (AR_SREV_9280(ah) || AR_SREV_9287(ah))
- chainmask = 0x1B;
- else
- chainmask = 0x3F;
+ else if (AR_SREV_9280(ah) || AR_SREV_9287(ah)) {
+ if ((rx_chain_status & 0x2) || (rx_chain_status & 0x4))
+ chainmask = 0x1B;
+ else
+ chainmask = 0x09;
+ } else {
+ if (rx_chain_status & 0x4)
+ chainmask = 0x3F;
+ else if (rx_chain_status & 0x2)
+ chainmask = 0x1B;
+ else
+ chainmask = 0x09;
+ }
h = ah->nfCalHist;
@@ -697,6 +707,8 @@ void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
noise_floor = AR_PHY_CCA_MAX_AR9280_GOOD_VALUE;
else if (AR_SREV_9285(ah))
noise_floor = AR_PHY_CCA_MAX_AR9285_GOOD_VALUE;
+ else if (AR_SREV_9287(ah))
+ noise_floor = AR_PHY_CCA_MAX_AR9287_GOOD_VALUE;
else
noise_floor = AR_PHY_CCA_MAX_AR5416_GOOD_VALUE;
@@ -924,6 +936,7 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
regVal |= (1 << (19 + i));
REG_WRITE(ah, 0x7834, regVal);
udelay(1);
+ regVal = REG_READ(ah, 0x7834);
regVal &= (~(0x1 << (19 + i)));
reg_field = MS(REG_READ(ah, 0x7840), AR9285_AN_RXTXBB1_SPARE9);
regVal |= (reg_field << (19 + i));