From f1bde82f00904bc73cfe2fcce437c87614b4a47d Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 25 Feb 2013 19:53:31 +0000
Subject: [PATCH] ath9k: issue a cold reset after failures or after bringing
the chip out of full sleep - fixes many kinds of DMA issues
SVN-Revision: 35785
---
package/mac80211/patches/300-pending_work.patch | 13 +++++++++++++
.../patches/510-ath9k_intr_mitigation_tweak.patch | 2 +-
.../524-ath9k_use_configured_antenna_gain.patch | 2 +-
.../mac80211/patches/553-ath9k_debugfs_diag.patch | 4 ++--
...k-allow-to-disable-bands-via-platform-data.patch | 2 +-
5 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch
index 11c9a5af4d..51da3cf84d 100644
--- a/package/mac80211/patches/300-pending_work.patch
+++ b/package/mac80211/patches/300-pending_work.patch
@@ -499,3 +499,16 @@
ret = 0;
}
rcu_read_unlock();
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1463,7 +1463,9 @@ static bool ath9k_hw_chip_reset(struct a
+ reset_type = ATH9K_RESET_POWER_ON;
+ else
+ reset_type = ATH9K_RESET_COLD;
+- }
++ } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) ||
++ (REG_READ(ah, AR_CR) & AR_CR_RXE))
++ reset_type = ATH9K_RESET_COLD;
+
+ if (!ath9k_hw_set_reset_reg(ah, reset_type))
+ return false;
diff --git a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
index 6e2af403ef..ff6ff27a1f 100644
--- a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
+++ b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch
@@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1945,8 +1945,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -1947,8 +1947,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
REG_WRITE(ah, AR_OBS, 8);
if (ah->config.rx_intr_mitigation) {
diff --git a/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch b/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
index 775bdac641..fe05212159 100644
--- a/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
+++ b/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch
@@ -10,7 +10,7 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2816,7 +2816,7 @@ void ath9k_hw_apply_txpower(struct ath_h
+@@ -2818,7 +2818,7 @@ void ath9k_hw_apply_txpower(struct ath_h
channel = chan->chan;
chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
new_pwr = min_t(int, chan_pwr, reg->power_limit);
diff --git a/package/mac80211/patches/553-ath9k_debugfs_diag.patch b/package/mac80211/patches/553-ath9k_debugfs_diag.patch
index fcc7dab591..915f30f789 100644
--- a/package/mac80211/patches/553-ath9k_debugfs_diag.patch
+++ b/package/mac80211/patches/553-ath9k_debugfs_diag.patch
@@ -94,7 +94,7 @@
void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1745,6 +1745,20 @@ fail:
+@@ -1747,6 +1747,20 @@ fail:
return -EINVAL;
}
@@ -115,7 +115,7 @@
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata, bool fastcc)
{
-@@ -2022,6 +2036,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -2024,6 +2038,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
}
ath9k_hw_apply_gpio_override(ah);
diff --git a/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch b/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
index bdb4ba0ff0..515bb8f839 100644
--- a/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
+++ b/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch
@@ -12,7 +12,7 @@
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2412,17 +2412,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
+@@ -2414,17 +2414,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
}
eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
--
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