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ath9k: add a fix for ANI related stability issues 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 41028
lede-17.01
Felix Fietkau 2014-06-05 23:33:54 +00:00
parent a56519e1b9
commit 5fc3c8252a
1 changed files with 155 additions and 0 deletions
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155
package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch Normal file
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@ -0,0 +1,155 @@
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -929,55 +929,6 @@ static bool ar5008_hw_ani_control_new(st
* on == 0 means more noise imm
*/
u32 on = param ? 1 : 0;
- /*
- * make register setting for default
- * (weak sig detect ON) come from INI file
- */
- int m1ThreshLow = on ?
- aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
- int m2ThreshLow = on ?
- aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
- int m1Thresh = on ?
- aniState->iniDef.m1Thresh : m1Thresh_off;
- int m2Thresh = on ?
- aniState->iniDef.m2Thresh : m2Thresh_off;
- int m2CountThr = on ?
- aniState->iniDef.m2CountThr : m2CountThr_off;
- int m2CountThrLow = on ?
- aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
- int m1ThreshLowExt = on ?
- aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
- int m2ThreshLowExt = on ?
- aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
- int m1ThreshExt = on ?
- aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
- int m2ThreshExt = on ?
- aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
-
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
- AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
- m1ThreshLow);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
- AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
- m2ThreshLow);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
- AR_PHY_SFCORR_M1_THRESH, m1Thresh);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
- AR_PHY_SFCORR_M2_THRESH, m2Thresh);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
- AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
- m2CountThrLow);
-
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
- AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
- AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
- AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
- AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
if (on)
REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -26,20 +26,6 @@ static const int cycpwrThr1_table[] =
/* level: 0 1 2 3 4 5 6 7 8 */
{ -6, -4, -2, 0, 2, 4, 6, 8 }; /* lvl 0-7, default 3 */
-/*
- * register values to turn OFDM weak signal detection OFF
- */
-static const int m1ThreshLow_off = 127;
-static const int m2ThreshLow_off = 127;
-static const int m1Thresh_off = 127;
-static const int m2Thresh_off = 127;
-static const int m2CountThr_off = 31;
-static const int m2CountThrLow_off = 63;
-static const int m1ThreshLowExt_off = 127;
-static const int m2ThreshLowExt_off = 127;
-static const int m1ThreshExt_off = 127;
-static const int m2ThreshExt_off = 127;
-
/**
* ar9003_hw_set_channel - set channel on single-chip device
* @ah: atheros hardware structure
@@ -954,11 +940,6 @@ static bool ar9003_hw_ani_control(struct
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_channel *chan = ah->curchan;
struct ar5416AniState *aniState = &ah->ani;
- int m1ThreshLow, m2ThreshLow;
- int m1Thresh, m2Thresh;
- int m2CountThr, m2CountThrLow;
- int m1ThreshLowExt, m2ThreshLowExt;
- int m1ThreshExt, m2ThreshExt;
s32 value, value2;
switch (cmd & ah->ani_function) {
@@ -972,61 +953,6 @@ static bool ar9003_hw_ani_control(struct
*/
u32 on = param ? 1 : 0;
- if (AR_SREV_9462(ah) || AR_SREV_9565(ah))
- goto skip_ws_det;
-
- m1ThreshLow = on ?
- aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
- m2ThreshLow = on ?
- aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
- m1Thresh = on ?
- aniState->iniDef.m1Thresh : m1Thresh_off;
- m2Thresh = on ?
- aniState->iniDef.m2Thresh : m2Thresh_off;
- m2CountThr = on ?
- aniState->iniDef.m2CountThr : m2CountThr_off;
- m2CountThrLow = on ?
- aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
- m1ThreshLowExt = on ?
- aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
- m2ThreshLowExt = on ?
- aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
- m1ThreshExt = on ?
- aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
- m2ThreshExt = on ?
- aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
-
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
- AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
- m1ThreshLow);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
- AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
- m2ThreshLow);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
- AR_PHY_SFCORR_M1_THRESH,
- m1Thresh);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
- AR_PHY_SFCORR_M2_THRESH,
- m2Thresh);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
- AR_PHY_SFCORR_M2COUNT_THR,
- m2CountThr);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
- m2CountThrLow);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
- AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
- m1ThreshLowExt);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
- AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
- m2ThreshLowExt);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
- AR_PHY_SFCORR_EXT_M1_THRESH,
- m1ThreshExt);
- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
- AR_PHY_SFCORR_EXT_M2_THRESH,
- m2ThreshExt);
-skip_ws_det:
if (on)
REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);