diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-07-02 00:09:50 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-02 13:44:36 -0400 |
| commit | f2552e28375cb34073a2f940ee9a8439c37d9ec2 (patch) | |
| tree | 85c718798e4f64cbc2ddd1beb93541722719d69e /drivers/net/wireless/ath/ath9k/ar9002_phy.c | |
| parent | ba17bc5e55ba541d2a8765fca53b6883b667ab21 (diff) | |
| download | lwn-f2552e28375cb34073a2f940ee9a8439c37d9ec2.tar.gz lwn-f2552e28375cb34073a2f940ee9a8439c37d9ec2.zip | |
ath9k_hw: sanitize noise floor values properly on all chips
This refactors the noise floor range checks to make them generic,
and adds proper ranges for each supported chip type.
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 | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index ed314e89bfe1..240e8a402c9f 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -481,9 +481,6 @@ static void ar9002_hw_do_getnf(struct ath_hw *ah, ath_print(common, ATH_DBG_CALIBRATE, "NF calibrated [ctl] [chain 0] is %d\n", nf); - if (AR_SREV_9271(ah) && (nf >= -114)) - nf = -116; - nfarray[0] = nf; if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) { @@ -503,9 +500,6 @@ static void ar9002_hw_do_getnf(struct ath_hw *ah, ath_print(common, ATH_DBG_CALIBRATE, "NF calibrated [ext] [chain 0] is %d\n", nf); - if (AR_SREV_9271(ah) && (nf >= -114)) - nf = -116; - nfarray[3] = nf; if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) { @@ -520,6 +514,30 @@ static void ar9002_hw_do_getnf(struct ath_hw *ah, } } +static void ar9002_hw_set_nf_limits(struct ath_hw *ah) +{ + if (AR_SREV_9285(ah)) { + ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ; + ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ; + ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ; + } else if (AR_SREV_9287(ah)) { + ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ; + ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ; + ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9287_2GHZ; + } else if (AR_SREV_9271(ah)) { + ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9271_2GHZ; + ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9271_2GHZ; + ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9271_2GHZ; + } else { + ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_2GHZ; + ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_2GHZ; + ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9280_2GHZ; + ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_5GHZ; + ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_5GHZ; + ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9280_5GHZ; + } +} + void ar9002_hw_attach_phy_ops(struct ath_hw *ah) { struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); @@ -532,4 +550,6 @@ void ar9002_hw_attach_phy_ops(struct ath_hw *ah) priv_ops->olc_init = ar9002_olc_init; priv_ops->compute_pll_control = ar9002_hw_compute_pll_control; priv_ops->do_getnf = ar9002_hw_do_getnf; + + ar9002_hw_set_nf_limits(ah); } |