1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
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;
|
