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--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -88,7 +88,10 @@ static void ath9k_hw_set_clockrate(struc
struct ath_common *common = ath9k_hw_common(ah);
unsigned int clockrate;
- if (!ah->curchan) /* should really check for CCK instead */
+ /* AR9287 v1.3+ uses async FIFO and runs the MAC at 117 MHz */
+ if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah))
+ clockrate = 117;
+ else if (!ah->curchan) /* should really check for CCK instead */
clockrate = ATH9K_CLOCK_RATE_CCK;
else if (conf->channel->band == IEEE80211_BAND_2GHZ)
clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;
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