diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-07-02 02:09:51 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-02 21:44:37 +0400 |
| commit | 54bd5006b03ee980f6067b4d61c3605b5a5e1d4a (patch) | |
| tree | 9542e10c03a130c46a34173bebd2cd3e202034f9 /drivers/net/wireless/ath/ath9k/ar9002_phy.c | |
| parent | f2552e28375cb34073a2f940ee9a8439c37d9ec2 (diff) | |
| download | linux-54bd5006b03ee980f6067b4d61c3605b5a5e1d4a.tar.xz | |
ath9k_hw: clean up the noise floor calibration code to reduce code duplication
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9002_phy.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_phy.c | 43 |
1 files changed, 9 insertions, 34 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index 240e8a402c9f..4922b8d4a938 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -471,47 +471,22 @@ static u32 ar9002_hw_compute_pll_control(struct ath_hw *ah, static void ar9002_hw_do_getnf(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]) { - struct ath_common *common = ath9k_hw_common(ah); int16_t nf; nf = MS(REG_READ(ah, AR_PHY_CCA), AR9280_PHY_MINCCA_PWR); + nfarray[0] = sign_extend(nf, 9); - if (nf & 0x100) - nf = 0 - ((nf ^ 0x1ff) + 1); - ath_print(common, ATH_DBG_CALIBRATE, - "NF calibrated [ctl] [chain 0] is %d\n", nf); - - nfarray[0] = nf; + nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR); + nfarray[3] = sign_extend(nf, 9); - if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) { - nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), - AR9280_PHY_CH1_MINCCA_PWR); + if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) + return; - if (nf & 0x100) - nf = 0 - ((nf ^ 0x1ff) + 1); - ath_print(common, ATH_DBG_CALIBRATE, - "NF calibrated [ctl] [chain 1] is %d\n", nf); - nfarray[1] = nf; - } + nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR9280_PHY_CH1_MINCCA_PWR); + nfarray[1] = sign_extend(nf, 9); - nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR9280_PHY_EXT_MINCCA_PWR); - if (nf & 0x100) - nf = 0 - ((nf ^ 0x1ff) + 1); - ath_print(common, ATH_DBG_CALIBRATE, - "NF calibrated [ext] [chain 0] is %d\n", nf); - - nfarray[3] = nf; - - if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) { - nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), - AR9280_PHY_CH1_EXT_MINCCA_PWR); - - if (nf & 0x100) - nf = 0 - ((nf ^ 0x1ff) + 1); - ath_print(common, ATH_DBG_CALIBRATE, - "NF calibrated [ext] [chain 1] is %d\n", nf); - nfarray[4] = nf; - } + nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR9280_PHY_CH1_EXT_MINCCA_PWR); + nfarray[4] = sign_extend(nf, 9); } static void ar9002_hw_set_nf_limits(struct ath_hw *ah) |