46 lines
1.6 KiB
Diff
46 lines
1.6 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
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+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
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@@ -1508,6 +1508,9 @@ static void ar5008_hw_do_getnf(struct at
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nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
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nfarray[2] = sign_extend(nf, 9);
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+ if (!IS_CHAN_HT40(ah->curchan))
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+ return;
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+
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nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
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nfarray[3] = sign_extend(nf, 9);
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--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
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@@ -477,7 +477,8 @@ static void ar9002_hw_do_getnf(struct at
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nfarray[0] = sign_extend(nf, 9);
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nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
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- nfarray[3] = sign_extend(nf, 9);
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+ if (IS_CHAN_HT40(ah->curchan))
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+ nfarray[3] = sign_extend(nf, 9);
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if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
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return;
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@@ -486,7 +487,8 @@ static void ar9002_hw_do_getnf(struct at
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nfarray[1] = sign_extend(nf, 9);
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nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR9280_PHY_CH1_EXT_MINCCA_PWR);
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- nfarray[4] = sign_extend(nf, 9);
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+ if (IS_CHAN_HT40(ah->curchan))
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+ nfarray[4] = sign_extend(nf, 9);
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}
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static void ar9002_hw_set_nf_limits(struct ath_hw *ah)
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--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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@@ -1029,6 +1029,9 @@ static void ar9003_hw_do_getnf(struct at
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nf = MS(REG_READ(ah, AR_PHY_CCA_2), AR_PHY_CH2_MINCCA_PWR);
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nfarray[2] = sign_extend(nf, 9);
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+ if (!IS_CHAN_HT40(ah->curchan))
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+ return;
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+
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nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
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nfarray[3] = sign_extend(nf, 9);
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