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author | John W. Linville <linville@tuxdriver.com> | 2011-07-15 10:05:24 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2011-07-15 10:05:24 -0400 |
commit | 95a943c162d74b20d869917bdf5df11293c35b63 (patch) | |
tree | c69d5cb97a4d97b6062a276ecdfa8582535193af /drivers/net/wireless/ath/ath9k/ar9003_paprd.c | |
parent | ecae42d37045ec71831d0e0e493e00b0e0732edd (diff) | |
parent | 95acac61ba66c4abd40e038dae8c1ed2e176c7b1 (diff) | |
download | op-kernel-dev-95a943c162d74b20d869917bdf5df11293c35b63.zip op-kernel-dev-95a943c162d74b20d869917bdf5df11293c35b63.tar.gz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts:
net/bluetooth/l2cap_core.c
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_paprd.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index de19723..f80d1d6 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -21,6 +21,36 @@ void ar9003_paprd_enable(struct ath_hw *ah, bool val) { struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); struct ath9k_channel *chan = ah->curchan; + struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; + + /* + * 3 bits for modalHeader5G.papdRateMaskHt20 + * is used for sub-band disabling of PAPRD. + * 5G band is divided into 3 sub-bands -- upper, + * middle, lower. + * if bit 30 of modalHeader5G.papdRateMaskHt20 is set + * -- disable PAPRD for upper band 5GHz + * if bit 29 of modalHeader5G.papdRateMaskHt20 is set + * -- disable PAPRD for middle band 5GHz + * if bit 28 of modalHeader5G.papdRateMaskHt20 is set + * -- disable PAPRD for lower band 5GHz + */ + + if (IS_CHAN_5GHZ(chan)) { + if (chan->channel >= UPPER_5G_SUB_BAND_START) { + if (le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20) + & BIT(30)) + val = false; + } else if (chan->channel >= MID_5G_SUB_BAND_START) { + if (le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20) + & BIT(29)) + val = false; + } else { + if (le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20) + & BIT(28)) + val = false; + } + } if (val) { ah->paprd_table_write_done = true; |