ath9k_hw: Configure Tx interrupt mitigation timer

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 70162db1323..d1e68c255de 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1286,6 +1286,11 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
                 REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
         }
 
+        if (ah->config.tx_intr_mitigation) {
+                REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_LAST, 300);
+                REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_FIRST, 750);
+        }
+
         ath9k_hw_init_bb(ah, chan);
 
         if (!ath9k_hw_init_cal(ah, chan))