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ath9k: add some ani related stability / performance fixes 

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

SVN-Revision: 42443
lede-17.01
Felix Fietkau 2014-09-08 16:45:30 +00:00
parent 76ca87a060
commit 3c5412e6c3
2 changed files with 59 additions and 2 deletions
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57
package/kernel/mac80211/patches/300-pending_work.patch
View File

@ -1,3 +1,33 @@
commit 0fecedddd4a0945873db1bd230ec6a168b3cc4fe
Author: Felix Fietkau <nbd@openwrt.org>
Date: Mon Sep 8 18:35:08 2014 +0200
ath9k_hw: reduce ANI spur immunity setting on HT40 extension channel
The cycpwr_thr1 value needs to be lower on the extension channel than on
the control channel, similar to how the register settings are programmed
in the initvals.
Also drop the unnecessary check for HT40 - this register can always be
written. This patch has been reported to improve HT40 stability and
throughput in some environments.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
commit 30d7434ccb853b96de698a040888fa4dacd0cc19
Author: Felix Fietkau <nbd@openwrt.org>
Date: Mon Sep 8 18:31:26 2014 +0200
Revert "ath9k_hw: reduce ANI firstep range for older chips"
This reverts commit 09efc56345be4146ab9fc87a55c837ed5d6ea1ab
I've received reports that this change is decreasing throughput in some
rare conditions on an AR9280 based device
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
commit 15ed54948f508ad1baad79c30050e2d29a21696d
Author: Felix Fietkau <nbd@openwrt.org>
Date: Fri Jul 25 16:18:03 2014 +0200
@ -3109,3 +3139,30 @@ Date: Mon May 19 21:20:49 2014 +0200
if (!compat)
compat = &sdata->vif.bss_conf.chandef;
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -1004,9 +1004,11 @@ static bool ar5008_hw_ani_control_new(st
case ATH9K_ANI_FIRSTEP_LEVEL:{
u32 level = param;
- value = level;
+ value = level * 2;
REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
AR_PHY_FIND_SIG_FIRSTEP, value);
+ REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW,
+ AR_PHY_FIND_SIG_FIRSTEP_LOW, value);
if (level != aniState->firstepLevel) {
ath_dbg(common, ANI,
@@ -1040,9 +1042,8 @@ static bool ar5008_hw_ani_control_new(st
REG_RMW_FIELD(ah, AR_PHY_TIMING5,
AR_PHY_TIMING5_CYCPWR_THR1, value);
- if (IS_CHAN_HT40(ah->curchan))
- REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
- AR_PHY_EXT_TIMING5_CYCPWR_THR1, value);
+ REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
+ AR_PHY_EXT_TIMING5_CYCPWR_THR1, value - 1);
if (level != aniState->spurImmunityLevel) {
ath_dbg(common, ANI,

4
package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch
View File

@ -110,7 +110,7 @@
static inline void ath9k_hw_set_bt_ant_diversity(struct ath_hw *ah, bool enable)
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -1231,9 +1231,30 @@ static void ar5008_hw_set_radar_conf(str
@@ -1232,9 +1232,30 @@ static void ar5008_hw_set_radar_conf(str
conf->radar_inband = 8;
}
@ -141,7 +141,7 @@
static const u32 ar5416_cca_regs[6] = {
AR_PHY_CCA,
AR_PHY_CH1_CCA,
@@ -1248,6 +1269,8 @@ int ar5008_hw_attach_phy_ops(struct ath_
@@ -1249,6 +1270,8 @@ int ar5008_hw_attach_phy_ops(struct ath_
if (ret)
return ret;