diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2011-07-12 09:01:59 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-07-13 14:49:37 -0400 |
| commit | ca8bfd94bbe5bd89ff6a4bbf5a050251950cce25 (patch) | |
| tree | 6c7b706a3228634a05fd9930af7126b54d61f14f /drivers | |
| parent | b613c7262dda30563bb1759573e39392a81524e6 (diff) | |
| download | linux-ca8bfd94bbe5bd89ff6a4bbf5a050251950cce25.tar.bz2 | |
ath5k: apply the synth voltage tweak only on AR5112 rev 2
Might fix some stability issues on newer chips
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/phy.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index 3f19e3122036..acf73a042118 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -970,17 +970,20 @@ static int ath5k_hw_rfregs_init(struct ath5k_hw *ah, } /* Lower synth voltage on Rev 2 */ - ath5k_hw_rfb_op(ah, rf_regs, 2, - AR5K_RF_HIGH_VC_CP, true); + if (ah->ah_radio == AR5K_RF5112 && + (ah->ah_radio_5ghz_revision & AR5K_SREV_REV) > 0) { + ath5k_hw_rfb_op(ah, rf_regs, 2, + AR5K_RF_HIGH_VC_CP, true); - ath5k_hw_rfb_op(ah, rf_regs, 2, - AR5K_RF_MID_VC_CP, true); + ath5k_hw_rfb_op(ah, rf_regs, 2, + AR5K_RF_MID_VC_CP, true); - ath5k_hw_rfb_op(ah, rf_regs, 2, - AR5K_RF_LOW_VC_CP, true); + ath5k_hw_rfb_op(ah, rf_regs, 2, + AR5K_RF_LOW_VC_CP, true); - ath5k_hw_rfb_op(ah, rf_regs, 2, - AR5K_RF_PUSH_UP, true); + ath5k_hw_rfb_op(ah, rf_regs, 2, + AR5K_RF_PUSH_UP, true); + } /* Decrease power consumption on 5213+ BaseBand */ if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) { |