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authorFelix Fietkau <nbd@openwrt.org>2012-06-15 15:25:19 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-06-20 14:44:41 -0400
commit35e808b7e4e9ddac1086716867fe686f52fb78ff (patch)
tree3e40f84a2c2a49be6fac5265d3fd5677c28524b7 /drivers/net/wireless/ath
parenta769f9577232afe2c754606a83aad85127e7052a (diff)
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ath9k_hw: remove aniState->noiseFloor
I don't know why somebody decided to keep a cached copy of beacon rssi in a variable called 'noiseFloor', but the caching is unnecessary and the variable name is confusing, so let's just get rid of it entirely. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r--drivers/net/wireless/ath/ath9k/ani.c11
-rw-r--r--drivers/net/wireless/ath/ath9k/ani.h1
2 files changed, 4 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index b4c77f9d747..18ce69d7fea 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -266,11 +266,9 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
const struct ani_ofdm_level_entry *entry_ofdm;
const struct ani_cck_level_entry *entry_cck;
- aniState->noiseFloor = BEACON_RSSI(ah);
-
ath_dbg(common, ANI, "**** ofdmlevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->ofdmNoiseImmunityLevel,
- immunityLevel, aniState->noiseFloor,
+ immunityLevel, BEACON_RSSI(ah),
aniState->rssiThrLow, aniState->rssiThrHigh);
if (aniState->update_ani)
@@ -292,7 +290,7 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
ATH9K_ANI_FIRSTEP_LEVEL,
entry_ofdm->fir_step_level);
- if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
+ if (BEACON_RSSI(ah) >= aniState->rssiThrHigh &&
(!aniState->ofdmWeakSigDetectOff !=
entry_ofdm->ofdm_weak_signal_on)) {
ath9k_hw_ani_control(ah,
@@ -329,15 +327,14 @@ static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel)
const struct ani_ofdm_level_entry *entry_ofdm;
const struct ani_cck_level_entry *entry_cck;
- aniState->noiseFloor = BEACON_RSSI(ah);
ath_dbg(common, ANI, "**** ccklevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->cckNoiseImmunityLevel, immunityLevel,
- aniState->noiseFloor, aniState->rssiThrLow,
+ BEACON_RSSI(ah), aniState->rssiThrLow,
aniState->rssiThrHigh);
if ((ah->opmode == NL80211_IFTYPE_STATION ||
ah->opmode == NL80211_IFTYPE_ADHOC) &&
- aniState->noiseFloor <= aniState->rssiThrLow &&
+ BEACON_RSSI(ah) <= aniState->rssiThrLow &&
immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
diff --git a/drivers/net/wireless/ath/ath9k/ani.h b/drivers/net/wireless/ath/ath9k/ani.h
index 72e2b874e17..c04d167725f 100644
--- a/drivers/net/wireless/ath/ath9k/ani.h
+++ b/drivers/net/wireless/ath/ath9k/ani.h
@@ -128,7 +128,6 @@ struct ar5416AniState {
u32 listenTime;
int32_t rssiThrLow;
int32_t rssiThrHigh;
- u32 noiseFloor;
u32 ofdmPhyErrCount;
u32 cckPhyErrCount;
int16_t pktRssi[2];