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author | Felix Fietkau <nbd@openwrt.org> | 2011-05-04 14:35:35 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2011-05-04 14:35:35 +0000 |
commit | dbea075cd40bd532a1f48b7bf687069aa0941122 (patch) | |
tree | 4b1bb9c13e44e83de42c312923a48066dc1a9d1d /package | |
parent | c27ffb1912fa0f2e334cd1f6954a392f0d7ab023 (diff) | |
download | upstream-dbea075cd40bd532a1f48b7bf687069aa0941122.tar.gz upstream-dbea075cd40bd532a1f48b7bf687069aa0941122.tar.bz2 upstream-dbea075cd40bd532a1f48b7bf687069aa0941122.zip |
ath9k: add noise floor calibration fix that should improve stability
SVN-Revision: 26819
Diffstat (limited to 'package')
-rw-r--r-- | package/mac80211/patches/300-pending_work.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index d4a2f4ed5c..f06e9df99b 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -565,3 +565,55 @@ HT_RX_REORDER_BUF_TIMEOUT); } else { del_timer(&tid_agg_rx->reorder_timer); +--- a/drivers/net/wireless/ath/ath9k/calib.c ++++ b/drivers/net/wireless/ath/ath9k/calib.c +@@ -69,15 +69,21 @@ static void ath9k_hw_update_nfcal_hist_b + int16_t *nfarray) + { + struct ath_common *common = ath9k_hw_common(ah); ++ struct ieee80211_conf *conf = &common->hw->conf; + struct ath_nf_limits *limit; + struct ath9k_nfcal_hist *h; + bool high_nf_mid = false; ++ u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; + int i; + + h = cal->nfCalHist; + limit = ath9k_hw_get_nf_limits(ah, ah->curchan); + + for (i = 0; i < NUM_NF_READINGS; i++) { ++ if (!(chainmask & (1 << i)) || ++ ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) ++ continue; ++ + h[i].nfCalBuffer[h[i].currIndex] = nfarray[i]; + + if (++h[i].currIndex >= ATH9K_NF_CAL_HIST_MAX) +@@ -225,6 +231,7 @@ void ath9k_hw_loadnf(struct ath_hw *ah, + int32_t val; + u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; + struct ath_common *common = ath9k_hw_common(ah); ++ struct ieee80211_conf *conf = &common->hw->conf; + s16 default_nf = ath9k_hw_get_default_nf(ah, chan); + + if (ah->caldata) +@@ -234,6 +241,9 @@ void ath9k_hw_loadnf(struct ath_hw *ah, + if (chainmask & (1 << i)) { + s16 nfval; + ++ if ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)) ++ continue; ++ + if (h) + nfval = h[i].privNF; + else +@@ -293,6 +303,9 @@ void ath9k_hw_loadnf(struct ath_hw *ah, + ENABLE_REGWRITE_BUFFER(ah); + for (i = 0; i < NUM_NF_READINGS; i++) { + if (chainmask & (1 << i)) { ++ if ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)) ++ continue; ++ + val = REG_READ(ah, ah->nf_regs[i]); + val &= 0xFFFFFE00; + val |= (((u32) (-50) << 1) & 0x1ff); |