ath5k: Add Spur filter support on newer chips

* Add spur filter support for RF5413 and later chips

 Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
 Signed-off-by: Bob Copeland <me@bobcopeland.com>

Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 33da290e4bb5..813718210338 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1278,6 +1278,11 @@ extern int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *chann
 /* PHY calibration */
 extern int ath5k_hw_phy_calibrate(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 extern int ath5k_hw_noise_floor_calibration(struct ath5k_hw *ah, short freq);
+/* Spur mitigation */
+bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah,
+                                struct ieee80211_channel *channel);
+void ath5k_hw_set_spur_mitigation_filter(struct ath5k_hw *ah,
+                                struct ieee80211_channel *channel);
 /* Misc PHY functions */
 extern u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan);
 extern int ath5k_hw_phy_disable(struct ath5k_hw *ah);