1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 40b6e841594..7bb700151ca 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -25,6 +25,7 @@
 #define ATH9K_CLOCK_RATE_CCK            22
 #define ATH9K_CLOCK_RATE_5GHZ_OFDM      40
 #define ATH9K_CLOCK_RATE_2GHZ_OFDM      44
+#define ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM 44
 
 static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
 
@@ -90,7 +91,11 @@ static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
                 return usecs *ATH9K_CLOCK_RATE_CCK;
         if (conf->channel->band == IEEE80211_BAND_2GHZ)
                 return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM;
-        return usecs *ATH9K_CLOCK_RATE_5GHZ_OFDM;
+
+        if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK)
+                return usecs * ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
+        else
+                return usecs * ATH9K_CLOCK_RATE_5GHZ_OFDM;
 }
 
 static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
@@ -2188,7 +2193,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
         }
 
         if (AR_SREV_9300_20_OR_LATER(ah)) {
-                pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_LDPC;
+                pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_LDPC |
+                                 ATH9K_HW_CAP_FASTCLOCK;
                 pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH;
                 pCap->rx_lp_qdepth = ATH9K_HW_RX_LP_QDEPTH;
                 pCap->rx_status_len = sizeof(struct ar9003_rxs);