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-rw-r--r--package/mac80211/patches/530-ath9k_nf_fix.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/package/mac80211/patches/530-ath9k_nf_fix.patch b/package/mac80211/patches/530-ath9k_nf_fix.patch
new file mode 100644
index 0000000000..081c2ab74b
--- /dev/null
+++ b/package/mac80211/patches/530-ath9k_nf_fix.patch
@@ -0,0 +1,46 @@
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -1508,6 +1508,9 @@ static void ar5008_hw_do_getnf(struct at
+ 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);
+
+--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+@@ -477,7 +477,8 @@ static void ar9002_hw_do_getnf(struct at
+ nfarray[0] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR);
+- nfarray[3] = sign_extend(nf, 9);
++ if (IS_CHAN_HT40(ah->curchan))
++ nfarray[3] = sign_extend(nf, 9);
+
+ if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
+ return;
+@@ -486,7 +487,8 @@ static void ar9002_hw_do_getnf(struct at
+ nfarray[1] = sign_extend(nf, 9);
+
+ nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR9280_PHY_CH1_EXT_MINCCA_PWR);
+- nfarray[4] = sign_extend(nf, 9);
++ if (IS_CHAN_HT40(ah->curchan))
++ nfarray[4] = sign_extend(nf, 9);
+ }
+
+ static void ar9002_hw_set_nf_limits(struct ath_hw *ah)
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -1029,6 +1029,9 @@ static void ar9003_hw_do_getnf(struct at
+ nf = MS(REG_READ(ah, AR_PHY_CCA_2), 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);
+