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authorFelix Fietkau <nbd@openwrt.org>2014-06-05 23:33:54 +0000
committerFelix Fietkau <nbd@openwrt.org>2014-06-05 23:33:54 +0000
commit5fc3c8252acc17e19b826031556ddfe47c6cd112 (patch)
tree56757dda6e210d90653e07a10f7570b38c7078df /package
parenta56519e1b9066038f0d7139cb16fd755535baf0c (diff)
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ath9k: add a fix for ANI related stability issues
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 41028
Diffstat (limited to 'package')
-rw-r--r--package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch155
1 files changed, 155 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch b/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch
new file mode 100644
index 0000000000..1e4f451c7e
--- /dev/null
+++ b/package/kernel/mac80211/patches/562-ath9k_ani_ws_detect.patch
@@ -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);