ath9k: properly sanitize calibrated noise floor values on all hardware
SVN-Revision: 22035
This commit is contained in:
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1 changed files with 386 additions and 0 deletions
386
package/mac80211/patches/530-ath9k_nf_sanitize.patch
Normal file
386
package/mac80211/patches/530-ath9k_nf_sanitize.patch
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@ -0,0 +1,386 @@
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--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
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+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
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@@ -1678,6 +1678,15 @@ static void ar5008_hw_ani_cache_ini_regs
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aniState->cycleCount = 0;
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}
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+static void ar5008_hw_set_nf_limits(struct ath_hw *ah)
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+{
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+ ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
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+ ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
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+ ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
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+ ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
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+ ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
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+ ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
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+}
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void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
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{
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@@ -1715,4 +1724,6 @@ void ar5008_hw_attach_phy_ops(struct ath
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priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
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else
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priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
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+
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+ ar5008_hw_set_nf_limits(ah);
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}
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--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
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@@ -520,6 +520,30 @@ static void ar9002_hw_do_getnf(struct at
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}
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}
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+static void ar9002_hw_set_nf_limits(struct ath_hw *ah)
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+{
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+ if (AR_SREV_9285(ah)) {
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+ ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
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+ ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
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+ ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
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+ } else if (AR_SREV_9287(ah)) {
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+ ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ;
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+ ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ;
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+ ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9287_2GHZ;
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+ } else if (AR_SREV_9271(ah)) {
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+ ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9271_2GHZ;
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+ ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9271_2GHZ;
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+ ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9271_2GHZ;
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+ } else {
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+ ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_2GHZ;
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+ ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_2GHZ;
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+ ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9280_2GHZ;
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+ ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9280_5GHZ;
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+ ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9280_5GHZ;
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+ ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9280_5GHZ;
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+ }
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+}
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+
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void ar9002_hw_attach_phy_ops(struct ath_hw *ah)
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{
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struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
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@@ -532,4 +556,6 @@ void ar9002_hw_attach_phy_ops(struct ath
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priv_ops->olc_init = ar9002_olc_init;
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priv_ops->compute_pll_control = ar9002_hw_compute_pll_control;
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priv_ops->do_getnf = ar9002_hw_do_getnf;
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+
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+ ar9002_hw_set_nf_limits(ah);
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}
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--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h
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+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
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@@ -576,4 +576,30 @@
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#define AR_PHY_CH2_EXT_MINCCA_PWR 0xFF800000
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#define AR_PHY_CH2_EXT_MINCCA_PWR_S 23
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+#define AR_PHY_CCA_NOM_VAL_5416_2GHZ -90
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+#define AR_PHY_CCA_NOM_VAL_5416_5GHZ -100
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+#define AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ -100
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+#define AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ -110
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+#define AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ -80
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+#define AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ -90
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+
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+#define AR_PHY_CCA_NOM_VAL_9280_2GHZ -112
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+#define AR_PHY_CCA_NOM_VAL_9280_5GHZ -112
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+#define AR_PHY_CCA_MIN_GOOD_VAL_9280_2GHZ -127
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+#define AR_PHY_CCA_MIN_GOOD_VAL_9280_5GHZ -122
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+#define AR_PHY_CCA_MAX_GOOD_VAL_9280_2GHZ -97
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+#define AR_PHY_CCA_MAX_GOOD_VAL_9280_5GHZ -102
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+
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+#define AR_PHY_CCA_NOM_VAL_9285_2GHZ -118
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+#define AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ -127
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+#define AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ -108
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+
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+#define AR_PHY_CCA_NOM_VAL_9271_2GHZ -118
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+#define AR_PHY_CCA_MIN_GOOD_VAL_9271_2GHZ -127
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+#define AR_PHY_CCA_MAX_GOOD_VAL_9271_2GHZ -116
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+
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+#define AR_PHY_CCA_NOM_VAL_9287_2GHZ -120
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+#define AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ -127
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+#define AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ -110
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+
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#endif
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--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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@@ -1015,52 +1015,6 @@ static bool ar9003_hw_ani_control(struct
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return true;
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}
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-static void ar9003_hw_nf_sanitize_2g(struct ath_hw *ah, s16 *nf)
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-{
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- struct ath_common *common = ath9k_hw_common(ah);
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-
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- if (*nf > ah->nf_2g_max) {
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- ath_print(common, ATH_DBG_CALIBRATE,
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- "2 GHz NF (%d) > MAX (%d), "
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- "correcting to MAX",
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- *nf, ah->nf_2g_max);
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- *nf = ah->nf_2g_max;
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- } else if (*nf < ah->nf_2g_min) {
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- ath_print(common, ATH_DBG_CALIBRATE,
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- "2 GHz NF (%d) < MIN (%d), "
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- "correcting to MIN",
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- *nf, ah->nf_2g_min);
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- *nf = ah->nf_2g_min;
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- }
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-}
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-
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-static void ar9003_hw_nf_sanitize_5g(struct ath_hw *ah, s16 *nf)
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-{
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- struct ath_common *common = ath9k_hw_common(ah);
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-
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- if (*nf > ah->nf_5g_max) {
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- ath_print(common, ATH_DBG_CALIBRATE,
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- "5 GHz NF (%d) > MAX (%d), "
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- "correcting to MAX",
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- *nf, ah->nf_5g_max);
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- *nf = ah->nf_5g_max;
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- } else if (*nf < ah->nf_5g_min) {
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- ath_print(common, ATH_DBG_CALIBRATE,
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- "5 GHz NF (%d) < MIN (%d), "
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- "correcting to MIN",
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- *nf, ah->nf_5g_min);
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- *nf = ah->nf_5g_min;
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- }
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-}
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-
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-static void ar9003_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)
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-{
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- if (IS_CHAN_2GHZ(ah->curchan))
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- ar9003_hw_nf_sanitize_2g(ah, nf);
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- else
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- ar9003_hw_nf_sanitize_5g(ah, nf);
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-}
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-
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static void ar9003_hw_do_getnf(struct ath_hw *ah,
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int16_t nfarray[NUM_NF_READINGS])
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{
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@@ -1070,7 +1024,6 @@ static void ar9003_hw_do_getnf(struct at
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nf = MS(REG_READ(ah, AR_PHY_CCA_0), AR_PHY_MINCCA_PWR);
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if (nf & 0x100)
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nf = 0 - ((nf ^ 0x1ff) + 1);
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- ar9003_hw_nf_sanitize(ah, &nf);
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ath_print(common, ATH_DBG_CALIBRATE,
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"NF calibrated [ctl] [chain 0] is %d\n", nf);
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nfarray[0] = nf;
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@@ -1078,7 +1031,6 @@ static void ar9003_hw_do_getnf(struct at
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nf = MS(REG_READ(ah, AR_PHY_CCA_1), AR_PHY_CH1_MINCCA_PWR);
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if (nf & 0x100)
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nf = 0 - ((nf ^ 0x1ff) + 1);
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- ar9003_hw_nf_sanitize(ah, &nf);
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ath_print(common, ATH_DBG_CALIBRATE,
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"NF calibrated [ctl] [chain 1] is %d\n", nf);
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nfarray[1] = nf;
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@@ -1086,7 +1038,6 @@ static void ar9003_hw_do_getnf(struct at
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nf = MS(REG_READ(ah, AR_PHY_CCA_2), AR_PHY_CH2_MINCCA_PWR);
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if (nf & 0x100)
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nf = 0 - ((nf ^ 0x1ff) + 1);
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- ar9003_hw_nf_sanitize(ah, &nf);
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ath_print(common, ATH_DBG_CALIBRATE,
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"NF calibrated [ctl] [chain 2] is %d\n", nf);
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nfarray[2] = nf;
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@@ -1094,7 +1045,6 @@ static void ar9003_hw_do_getnf(struct at
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nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
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if (nf & 0x100)
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nf = 0 - ((nf ^ 0x1ff) + 1);
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- ar9003_hw_nf_sanitize(ah, &nf);
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ath_print(common, ATH_DBG_CALIBRATE,
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"NF calibrated [ext] [chain 0] is %d\n", nf);
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nfarray[3] = nf;
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@@ -1102,7 +1052,6 @@ static void ar9003_hw_do_getnf(struct at
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nf = MS(REG_READ(ah, AR_PHY_EXT_CCA_1), AR_PHY_CH1_EXT_MINCCA_PWR);
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if (nf & 0x100)
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nf = 0 - ((nf ^ 0x1ff) + 1);
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- ar9003_hw_nf_sanitize(ah, &nf);
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ath_print(common, ATH_DBG_CALIBRATE,
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"NF calibrated [ext] [chain 1] is %d\n", nf);
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nfarray[4] = nf;
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@@ -1110,18 +1059,19 @@ static void ar9003_hw_do_getnf(struct at
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nf = MS(REG_READ(ah, AR_PHY_EXT_CCA_2), AR_PHY_CH2_EXT_MINCCA_PWR);
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if (nf & 0x100)
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nf = 0 - ((nf ^ 0x1ff) + 1);
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- ar9003_hw_nf_sanitize(ah, &nf);
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ath_print(common, ATH_DBG_CALIBRATE,
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"NF calibrated [ext] [chain 2] is %d\n", nf);
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nfarray[5] = nf;
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}
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-void ar9003_hw_set_nf_limits(struct ath_hw *ah)
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+static void ar9003_hw_set_nf_limits(struct ath_hw *ah)
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{
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- ah->nf_2g_max = AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ;
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- ah->nf_2g_min = AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ;
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- ah->nf_5g_max = AR_PHY_CCA_MAX_GOOD_VAL_9300_5GHZ;
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- ah->nf_5g_min = AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ;
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+ ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ;
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+ ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_2GHZ;
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+ ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9300_2GHZ;
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+ ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9300_5GHZ;
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+ ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_9300_5GHZ;
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+ ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_9300_5GHZ;
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}
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/*
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@@ -1309,6 +1259,8 @@ void ar9003_hw_attach_phy_ops(struct ath
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priv_ops->do_getnf = ar9003_hw_do_getnf;
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priv_ops->loadnf = ar9003_hw_loadnf;
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priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs;
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+
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+ ar9003_hw_set_nf_limits(ah);
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}
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void ar9003_hw_bb_watchdog_config(struct ath_hw *ah)
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--- a/drivers/net/wireless/ath/ath9k/calib.c
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+++ b/drivers/net/wireless/ath/ath9k/calib.c
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@@ -74,13 +74,8 @@ static void ath9k_hw_update_nfcal_hist_b
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h[i].currIndex = 0;
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if (h[i].invalidNFcount > 0) {
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- if (nfarray[i] < AR_PHY_CCA_MIN_BAD_VALUE ||
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- nfarray[i] > AR_PHY_CCA_MAX_HIGH_VALUE) {
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- h[i].invalidNFcount = ATH9K_NF_CAL_HIST_MAX;
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- } else {
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- h[i].invalidNFcount--;
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- h[i].privNF = nfarray[i];
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- }
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+ h[i].invalidNFcount--;
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+ h[i].privNF = nfarray[i];
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} else {
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h[i].privNF =
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ath9k_hw_get_nf_hist_mid(h[i].nfCalBuffer);
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@@ -172,6 +167,35 @@ void ath9k_hw_start_nfcal(struct ath_hw
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REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
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}
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+static void ath9k_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)
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+{
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+ struct ath_common *common = ath9k_hw_common(ah);
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+ struct ath_nf_limits *limit;
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+ int i;
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+
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+ if (IS_CHAN_2GHZ(ah->curchan))
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+ limit = &ah->nf_2g;
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+ else
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+ limit = &ah->nf_5g;
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+
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+ for (i = 0; i < NUM_NF_READINGS; i++) {
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+ if (!nf[i])
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+ continue;
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+
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+ if (nf[i] > limit->max) {
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "NF[%d] (%d) > MAX (%d), correcting to MAX",
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+ i, nf[i], limit->max);
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+ nf[i] = limit->max;
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+ } else if (nf[i] < limit->min) {
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+ ath_print(common, ATH_DBG_CALIBRATE,
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+ "NF[%d] (%d) < MIN (%d), correcting to NOM",
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+ i, nf[i], limit->min);
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+ nf[i] = limit->nominal;
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+ }
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+ }
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+}
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+
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int16_t ath9k_hw_getnf(struct ath_hw *ah,
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struct ath9k_channel *chan)
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{
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@@ -190,6 +214,7 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
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return chan->rawNoiseFloor;
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} else {
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ath9k_hw_do_getnf(ah, nfarray);
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+ ath9k_hw_nf_sanitize(ah, nfarray);
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nf = nfarray[0];
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if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)
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&& nf > nfThresh) {
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@@ -211,25 +236,21 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah
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void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
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{
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+ struct ath_nf_limits *limit;
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int i, j;
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- s16 noise_floor;
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- if (AR_SREV_9280(ah))
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- noise_floor = AR_PHY_CCA_MAX_AR9280_GOOD_VALUE;
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- else if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
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- noise_floor = AR_PHY_CCA_MAX_AR9285_GOOD_VALUE;
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- else if (AR_SREV_9287(ah))
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- noise_floor = AR_PHY_CCA_MAX_AR9287_GOOD_VALUE;
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+ if (IS_CHAN_2GHZ(ah->curchan))
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+ limit = &ah->nf_2g;
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else
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- noise_floor = AR_PHY_CCA_MAX_AR5416_GOOD_VALUE;
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+ limit = &ah->nf_5g;
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for (i = 0; i < NUM_NF_READINGS; i++) {
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ah->nfCalHist[i].currIndex = 0;
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- ah->nfCalHist[i].privNF = noise_floor;
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+ ah->nfCalHist[i].privNF = limit->nominal;
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ah->nfCalHist[i].invalidNFcount =
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AR_PHY_CCA_FILTERWINDOW_LENGTH;
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for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
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- ah->nfCalHist[i].nfCalBuffer[j] = noise_floor;
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+ ah->nfCalHist[i].nfCalBuffer[j] = limit->nominal;
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}
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}
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}
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--- a/drivers/net/wireless/ath/ath9k/calib.h
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+++ b/drivers/net/wireless/ath/ath9k/calib.h
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@@ -19,12 +19,6 @@
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#include "hw.h"
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-#define AR_PHY_CCA_MAX_AR5416_GOOD_VALUE -85
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-#define AR_PHY_CCA_MAX_AR9280_GOOD_VALUE -112
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-#define AR_PHY_CCA_MAX_AR9285_GOOD_VALUE -118
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-#define AR_PHY_CCA_MAX_AR9287_GOOD_VALUE -118
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-#define AR_PHY_CCA_MAX_HIGH_VALUE -62
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-#define AR_PHY_CCA_MIN_BAD_VALUE -140
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#define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT 3
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#define AR_PHY_CCA_FILTERWINDOW_LENGTH 5
|
||||
|
||||
--- a/drivers/net/wireless/ath/ath9k/hw.c
|
||||
+++ b/drivers/net/wireless/ath/ath9k/hw.c
|
||||
@@ -621,9 +621,6 @@ static int __ath9k_hw_init(struct ath_hw
|
||||
else
|
||||
ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
|
||||
|
||||
- if (AR_SREV_9300_20_OR_LATER(ah))
|
||||
- ar9003_hw_set_nf_limits(ah);
|
||||
-
|
||||
ath9k_init_nfcal_hist_buffer(ah);
|
||||
ah->bb_watchdog_timeout_ms = 25;
|
||||
|
||||
--- a/drivers/net/wireless/ath/ath9k/hw.h
|
||||
+++ b/drivers/net/wireless/ath/ath9k/hw.h
|
||||
@@ -630,6 +630,12 @@ struct ath_hw_ops {
|
||||
void (*ani_monitor)(struct ath_hw *ah, struct ath9k_channel *chan);
|
||||
};
|
||||
|
||||
+struct ath_nf_limits {
|
||||
+ s16 max;
|
||||
+ s16 min;
|
||||
+ s16 nominal;
|
||||
+};
|
||||
+
|
||||
struct ath_hw {
|
||||
struct ieee80211_hw *hw;
|
||||
struct ath_common common;
|
||||
@@ -651,10 +657,9 @@ struct ath_hw {
|
||||
bool is_pciexpress;
|
||||
bool need_an_top2_fixup;
|
||||
u16 tx_trig_level;
|
||||
- s16 nf_2g_max;
|
||||
- s16 nf_2g_min;
|
||||
- s16 nf_5g_max;
|
||||
- s16 nf_5g_min;
|
||||
+
|
||||
+ struct ath_nf_limits nf_2g;
|
||||
+ struct ath_nf_limits nf_5g;
|
||||
u16 rfsilent;
|
||||
u32 rfkill_gpio;
|
||||
u32 rfkill_polarity;
|
||||
@@ -945,7 +950,6 @@ void ar9002_hw_enable_wep_aggregation(st
|
||||
* Code specific to AR9003, we stuff these here to avoid callbacks
|
||||
* for older families
|
||||
*/
|
||||
-void ar9003_hw_set_nf_limits(struct ath_hw *ah);
|
||||
void ar9003_hw_bb_watchdog_config(struct ath_hw *ah);
|
||||
void ar9003_hw_bb_watchdog_read(struct ath_hw *ah);
|
||||
void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
|
Loading…
Reference in a new issue