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From: Miaoqing Pan <miaoqing@codeaurora.org>
Date: Fri, 15 Jan 2016 18:17:18 +0800
Subject: [PATCH] ath9k: clean up ANI per-channel pointer checking
commit c24bd3620c50 ("ath9k: Do not maintain ANI state per-channel")
removed per-channel handling, the code to check 'curchan' also
should be removed as never used.
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
---
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -126,12 +126,8 @@ static void ath9k_hw_update_mibstats(str
static void ath9k_ani_restart(struct ath_hw *ah)
{
- struct ar5416AniState *aniState;
-
- if (!ah->curchan)
- return;
+ struct ar5416AniState *aniState = &ah->ani;
- aniState = &ah->ani;
aniState->listenTime = 0;
ENABLE_REGWRITE_BUFFER(ah);
@@ -221,12 +217,7 @@ static void ath9k_hw_set_ofdm_nil(struct
static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah)
{
- struct ar5416AniState *aniState;
-
- if (!ah->curchan)
- return;
-
- aniState = &ah->ani;
+ struct ar5416AniState *aniState = &ah->ani;
if (aniState->ofdmNoiseImmunityLevel < ATH9K_ANI_OFDM_MAX_LEVEL)
ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel + 1, false);
@@ -281,12 +272,7 @@ static void ath9k_hw_set_cck_nil(struct
static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah)
{
- struct ar5416AniState *aniState;
-
- if (!ah->curchan)
- return;
-
- aniState = &ah->ani;
+ struct ar5416AniState *aniState = &ah->ani;
if (aniState->cckNoiseImmunityLevel < ATH9K_ANI_CCK_MAX_LEVEL)
ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1,
@@ -299,9 +285,7 @@ static void ath9k_hw_ani_cck_err_trigger
*/
static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah)
{
- struct ar5416AniState *aniState;
-
- aniState = &ah->ani;
+ struct ar5416AniState *aniState = &ah->ani;
/* lower OFDM noise immunity */
if (aniState->ofdmNoiseImmunityLevel > 0 &&
@@ -329,7 +313,7 @@ void ath9k_ani_reset(struct ath_hw *ah,
struct ath_common *common = ath9k_hw_common(ah);
int ofdm_nil, cck_nil;
- if (!ah->curchan)
+ if (!chan)
return;
BUG_ON(aniState == NULL);
@@ -416,14 +400,10 @@ static bool ath9k_hw_ani_read_counters(s
void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan)
{
- struct ar5416AniState *aniState;
+ struct ar5416AniState *aniState = &ah->ani;
struct ath_common *common = ath9k_hw_common(ah);
u32 ofdmPhyErrRate, cckPhyErrRate;
- if (!ah->curchan)
- return;
-
- aniState = &ah->ani;
if (!ath9k_hw_ani_read_counters(ah))
return;
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