diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar5008_phy.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar5008_phy.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index 4a910b78de52..3d2c8679bc85 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -1506,6 +1506,9 @@ static void ar5008_hw_do_getnf(struct ath_hw *ah, nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR); nfarray[2] = sign_extend(nf, 9); + if (!IS_CHAN_HT40(ah->curchan)) + return; + nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR); nfarray[3] = sign_extend(nf, 9); |