ath9k_hw: Add function to configure tx status ring buffer

[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / ath / ath9k / hw.c

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 824dd9e725649b1d6ff06d3aa682430b124bcfb5..19e2c3cd147324b380f16628560340706b43850a 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -895,6 +895,9 @@ static inline void ath9k_hw_set_dma(struct ath_hw *ah)
                REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
                          AR_PCU_TXBUF_CTRL_USABLE_SIZE);
        }
+
+       if (AR_SREV_9300_20_OR_LATER(ah))
+               ath9k_hw_reset_txstatus_ring(ah);
 }
 
 static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)