Return-path: Received: from nbd.name ([46.4.11.11]:41313 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756627Ab2FONZi (ORCPT ); Fri, 15 Jun 2012 09:25:38 -0400 From: Felix Fietkau To: linux-wireless@vger.kernel.org Cc: linville@tuxdriver.com, mcgrof@qca.qualcomm.com, c_manoha@qca.qualcomm.com Subject: [PATCH 1/9] ath9k_hw: remove aniState->noiseFloor Date: Fri, 15 Jun 2012 15:25:19 +0200 Message-Id: <1339766727-61926-1-git-send-email-nbd@openwrt.org> (sfid-20120615_152551_509602_74F6FE74) Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- drivers/net/wireless/ath/ath9k/ani.c | 11 ++++------- drivers/net/wireless/ath/ath9k/ani.h | 1 - 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 b4c77f9..18ce69d 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 72e2b87..c04d167 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]; -- 1.7.3.2