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authorJohn W. Linville <linville@tuxdriver.com>2010-07-29 14:47:07 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-07-29 14:47:07 -0400
commitae3568adf42d5d3bb3cfa505b94351c5d1ce4924 (patch)
tree112865a6e6b1e4ddf70362f3efb295c495ec85b9 /drivers/net/wireless/ath/ath9k/ar5008_phy.c
parent7f3e01fee41a322747db2d7574516d9fbd3785c0 (diff)
parentb7753c8cd51dce67a0b152efb456a21ff1cc241b (diff)
downloadop-kernel-dev-ae3568adf42d5d3bb3cfa505b94351c5d1ce4924.zip
op-kernel-dev-ae3568adf42d5d3bb3cfa505b94351c5d1ce4924.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar5008_phy.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar5008_phy.c3
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 4a910b7..3d2c867 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);
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