--- /dev/null
+--- a/drivers/net/wireless/ath/ath5k/phy.c
++++ b/drivers/net/wireless/ath/ath5k/phy.c
+@@ -105,6 +105,7 @@ bool ath5k_hw_chan_has_spur_noise(struct
+
+ if ((ah->ah_radio == AR5K_RF5112) ||
+ (ah->ah_radio == AR5K_RF5413) ||
++ (ah->ah_radio == AR5K_RF2413) ||
+ (ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4)))
+ refclk_freq = 40;
+ else