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path: root/drivers/net/wireless/ath/ath9k/btcoex.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/btcoex.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/btcoex.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index fb4ac15f3b93..6a92e57fddf0 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -168,6 +168,7 @@ EXPORT_SYMBOL(ath9k_hw_btcoex_set_weight);
static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah)
{
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
+ u32 val;
/*
* Program coex mode and weight registers to
@@ -177,6 +178,12 @@ static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah)
REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_hw->bt_coex_weights);
REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_hw->bt_coex_mode2);
+ if (AR_SREV_9271(ah)) {
+ val = REG_READ(ah, 0x50040);
+ val &= 0xFFFFFEFF;
+ REG_WRITE(ah, 0x50040, val);
+ }
+
REG_RMW_FIELD(ah, AR_QUIET1, AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1);
REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0);