From 103e70a573e6b42484631b21fee06074e5b7cdec Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 12 Oct 2010 14:11:21 +0000 Subject: [PATCH] ath9k: fix a few ani issues SVN-Revision: 23412 --- .../528-ath9k_ani_listen_time_fix.patch | 52 +++++++++++++++++++ .../patches/529-ath9k_ani_overflow_fix.patch | 11 ++++ .../530-ath9k_cycle_counter_lock_fix.patch | 12 +++++ 3 files changed, 75 insertions(+) create mode 100644 package/mac80211/patches/528-ath9k_ani_listen_time_fix.patch create mode 100644 package/mac80211/patches/529-ath9k_ani_overflow_fix.patch create mode 100644 package/mac80211/patches/530-ath9k_cycle_counter_lock_fix.patch diff --git a/package/mac80211/patches/528-ath9k_ani_listen_time_fix.patch b/package/mac80211/patches/528-ath9k_ani_listen_time_fix.patch new file mode 100644 index 0000000000..598286ec9e --- /dev/null +++ b/package/mac80211/patches/528-ath9k_ani_listen_time_fix.patch @@ -0,0 +1,52 @@ +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -633,7 +633,7 @@ void ath9k_ani_reset(struct ath_hw *ah, + REGWRITE_BUFFER_FLUSH(ah); + } + +-static void ath9k_hw_ani_read_counters(struct ath_hw *ah) ++static bool ath9k_hw_ani_read_counters(struct ath_hw *ah) + { + struct ath_common *common = ath9k_hw_common(ah); + struct ar5416AniState *aniState = &ah->curchan->ani; +@@ -646,10 +646,10 @@ static void ath9k_hw_ani_read_counters(s + ath_hw_cycle_counters_update(common); + listenTime = ath_hw_get_listen_time(common); + +- if (listenTime < 0) { ++ if (listenTime <= 0) { + ah->stats.ast_ani_lneg++; + ath9k_ani_restart(ah); +- return; ++ return false; + } + + if (!use_new_ani(ah)) { +@@ -683,7 +683,7 @@ static void ath9k_hw_ani_read_counters(s + REG_WRITE(ah, AR_PHY_ERR_MASK_2, + AR_PHY_ERR_CCK_TIMING); + } +- return; ++ return false; + } + + ofdmPhyErrCnt = phyCnt1 - ofdm_base; +@@ -695,7 +695,7 @@ static void ath9k_hw_ani_read_counters(s + ah->stats.ast_ani_cckerrs += + cckPhyErrCnt - aniState->cckPhyErrCount; + aniState->cckPhyErrCount = cckPhyErrCnt; +- ++ return true; + } + + void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan) +@@ -711,7 +711,8 @@ void ath9k_hw_ani_monitor(struct ath_hw + if (WARN_ON(!aniState)) + return; + +- ath9k_hw_ani_read_counters(ah); ++ if (!ath9k_hw_ani_read_counters(ah)) ++ return; + + ofdmPhyErrRate = aniState->ofdmPhyErrCount * 1000 / + aniState->listenTime; diff --git a/package/mac80211/patches/529-ath9k_ani_overflow_fix.patch b/package/mac80211/patches/529-ath9k_ani_overflow_fix.patch new file mode 100644 index 0000000000..45bb95d4ee --- /dev/null +++ b/package/mac80211/patches/529-ath9k_ani_overflow_fix.patch @@ -0,0 +1,11 @@ +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -664,7 +664,7 @@ static bool ath9k_hw_ani_read_counters(s + phyCnt1 = REG_READ(ah, AR_PHY_ERR_1); + phyCnt2 = REG_READ(ah, AR_PHY_ERR_2); + +- if (use_new_ani(ah) && (phyCnt1 < ofdm_base || phyCnt2 < cck_base)) { ++ if (!use_new_ani(ah) && (phyCnt1 < ofdm_base || phyCnt2 < cck_base)) { + if (phyCnt1 < ofdm_base) { + ath_print(common, ATH_DBG_ANI, + "phyCnt1 0x%x, resetting " diff --git a/package/mac80211/patches/530-ath9k_cycle_counter_lock_fix.patch b/package/mac80211/patches/530-ath9k_cycle_counter_lock_fix.patch new file mode 100644 index 0000000000..9f284df2cc --- /dev/null +++ b/package/mac80211/patches/530-ath9k_cycle_counter_lock_fix.patch @@ -0,0 +1,12 @@ +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -780,7 +780,9 @@ irqreturn_t ath_isr(int irq, void *dev) + * it will clear whatever condition caused + * the interrupt. + */ ++ spin_lock(&common->cc_lock); + ath9k_hw_proc_mib_event(ah); ++ spin_unlock(&common->cc_lock); + ath9k_hw_set_interrupts(ah, ah->imask); + } + -- 2.30.2