---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -696,6 +696,7 @@ struct ath_softc {
- struct ieee80211_hw *hw;
- struct device *dev;
-
-+ u32 chan_bw;
- struct survey_info *cur_survey;
- struct survey_info survey[ATH9K_NUM_CHANNELS];
-
-@@ -899,6 +900,7 @@ struct fft_sample_ht20 {
- u8 data[SPECTRAL_HT20_NUM_BINS];
- } __packed;
-
-+int ath9k_config(struct ieee80211_hw *hw, u32 changed);
- void ath9k_tasklet(unsigned long data);
- int ath_cabq_update(struct ath_softc *);
-