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openwrt-xburst/package/mac80211/patches/576-ath9k_ani_remove_mib_int.patch
nbd c7a15aa54a ath9k: add some more ani fixes
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32159 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-06-10 12:03:33 +00:00

115 lines
3.5 KiB
Diff

--- 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)