AR_PHY_RADAR_1_RELSTEP_THRESH_S  250 drivers/net/wireless/ath/ath9k/ar9002_phy.h #define AR_PHY_RADAR_1_RELSTEP_THRESH_S 8
AR_PHY_RADAR_1_RELSTEP_THRESH_S  186 drivers/net/wireless/ath/ath9k/ar9003_phy.h #define AR_PHY_RADAR_1_RELSTEP_THRESH_S 8