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ath9k: fix a few ani issues

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SVN-Revision: 23412
This commit is contained in:
Felix Fietkau 2010-10-12 14:11:21 +00:00
parent 0cad2678ac
commit 103e70a573
3 changed files with 75 additions and 0 deletions
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52
package/mac80211/patches/528-ath9k_ani_listen_time_fix.patch Normal file
View file

@ -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;

11
package/mac80211/patches/529-ath9k_ani_overflow_fix.patch Normal file
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@ -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 "

12
package/mac80211/patches/530-ath9k_cycle_counter_lock_fix.patch Normal file
View file

@ -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);
}