Disable TX IQ calibration, it was prematurely enabled in
previous versions.
Cc: Paul Shaw <Paul.Shaw@xxxxxxxxxxx>
Cc: Thomas Hammel <Thomas.Hammel@xxxxxxxxxxx>
Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar9003_calib.c | 3 ++-
drivers/net/wireless/ath/ath9k/hw.c | 6 ++++++
drivers/net/wireless/ath/ath9k/hw.h | 1 +
3 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 5e20b48..5fcafb4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -755,7 +755,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
}
/* Do Tx IQ Calibration */
- ar9003_hw_tx_iq_cal(ah);
+ if (ah->config.tx_iq_calibration)
+ ar9003_hw_tx_iq_cal(ah);
/* Revert chainmasks to their original values before NF cal */
ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 5a29048..9af83e5 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -387,6 +387,12 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
ah->config.rx_intr_mitigation = true;
/*
+ * Tx IQ Calibration (ah->config.tx_iq_calibration) is only
+ * used by AR9003, but it is showing reliability issues.
+ * It will take a while to fix so this is currently disabled.
+ */
+
+ /*
* We need this for PCI devices only (Cardbus, PCI, miniPCI)
* _and_ if on non-uniprocessor systems (Multiprocessor/HT).
* This means we use it for all AR5416 devices, and the few
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index a78e09b..6c84d31 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -261,6 +261,7 @@ struct ath9k_ops_config {
#define AR_BASE_FREQ_5GHZ 4900
#define AR_SPUR_FEEQ_BOUND_HT40 19
#define AR_SPUR_FEEQ_BOUND_HT20 10
+ bool tx_iq_calibration; /* Only available for >= AR9003 */
int spurmode;
u16 spurchans[AR_EEPROM_MODAL_SPURS][2];
u8 max_txtrig_level;
--
1.6.3.3
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