diff options
Diffstat (limited to 'package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch')
| -rw-r--r-- | package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch b/package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch new file mode 100644 index 0000000000..d071e0ca57 --- /dev/null +++ b/package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch @@ -0,0 +1,114 @@ +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -490,46 +490,6 @@ void ath9k_hw_disable_mib_counters(struc + } + EXPORT_SYMBOL(ath9k_hw_disable_mib_counters); + +-/* +- * Process a MIB interrupt. We may potentially be invoked because +- * any of the MIB counters overflow/trigger so don't assume we're +- * here because a PHY error counter triggered. +- */ +-void ath9k_hw_proc_mib_event(struct ath_hw *ah) +-{ +- u32 phyCnt1, phyCnt2; +- +- /* Reset these counters regardless */ +- REG_WRITE(ah, AR_FILT_OFDM, 0); +- REG_WRITE(ah, AR_FILT_CCK, 0); +- if (!(REG_READ(ah, AR_SLP_MIB_CTRL) & AR_SLP_MIB_PENDING)) +- REG_WRITE(ah, AR_SLP_MIB_CTRL, AR_SLP_MIB_CLEAR); +- +- /* Clear the mib counters and save them in the stats */ +- ath9k_hw_update_mibstats(ah, &ah->ah_mibStats); +- +- if (!DO_ANI(ah)) { +- /* +- * We must always clear the interrupt cause by +- * resetting the phy error regs. +- */ +- REG_WRITE(ah, AR_PHY_ERR_1, 0); +- REG_WRITE(ah, AR_PHY_ERR_2, 0); +- return; +- } +- +- /* NB: these are not reset-on-read */ +- phyCnt1 = REG_READ(ah, AR_PHY_ERR_1); +- phyCnt2 = REG_READ(ah, AR_PHY_ERR_2); +- if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) || +- ((phyCnt2 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK)) { +- +- /* NB: always restart to insure the h/w counters are reset */ +- ath9k_ani_restart(ah); +- } +-} +-EXPORT_SYMBOL(ath9k_hw_proc_mib_event); +- + void ath9k_hw_ani_setup(struct ath_hw *ah) + { + int i; +--- a/drivers/net/wireless/ath/ath9k/hw.h ++++ b/drivers/net/wireless/ath/ath9k/hw.h +@@ -1023,7 +1023,6 @@ void ar9003_hw_attach_ops(struct ath_hw + void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan); + + void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning); +-void ath9k_hw_proc_mib_event(struct ath_hw *ah); + void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan); + + #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -827,24 +827,6 @@ irqreturn_t ath_isr(int irq, void *dev) + ath9k_hw_set_interrupts(ah); + } + +- if (status & ATH9K_INT_MIB) { +- /* +- * Disable interrupts until we service the MIB +- * interrupt; otherwise it will continue to +- * fire. +- */ +- ath9k_hw_disable_interrupts(ah); +- /* +- * Let the hal handle the event. We assume +- * 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_enable_interrupts(ah); +- } +- + if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) + if (status & ATH9K_INT_TIM_TIMER) { + if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle)) +@@ -1347,14 +1329,10 @@ static void ath9k_calculate_summary_stat + /* + * Enable MIB interrupts when there are hardware phy counters. + */ +- if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0) { +- if (ah->config.enable_ani) +- ah->imask |= ATH9K_INT_MIB; ++ if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0) + ah->imask |= ATH9K_INT_TSFOOR; +- } else { +- ah->imask &= ~ATH9K_INT_MIB; ++ else + ah->imask &= ~ATH9K_INT_TSFOOR; +- } + + ath9k_hw_set_interrupts(ah); + +--- a/drivers/net/wireless/ath/ath9k/debug.c ++++ b/drivers/net/wireless/ath/ath9k/debug.c +@@ -348,8 +348,6 @@ void ath_debug_stat_interrupt(struct ath + sc->debug.stats.istats.txok++; + if (status & ATH9K_INT_TXURN) + sc->debug.stats.istats.txurn++; +- if (status & ATH9K_INT_MIB) +- sc->debug.stats.istats.mib++; + if (status & ATH9K_INT_RXPHY) + sc->debug.stats.istats.rxphyerr++; + if (status & ATH9K_INT_RXKCM) |