ath9k_hw: reduce ANI firstep range for older chips

Use 0-8 instead of 0-16, which is closer to the old implementation.
Also drop the overwrite of the firstep_low parameter to improve
stability.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 3b3e91057a4cbdb6860006ce0e19a22c3b835774..00fb8badbacc939bbb3ed1bbeae1b3d63edc4e23 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -1004,11 +1004,9 @@ static bool ar5008_hw_ani_control_new(struct ath_hw *ah,
        case ATH9K_ANI_FIRSTEP_LEVEL:{
                u32 level = param;
 
-               value = level * 2;
+               value = level;
                REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
                              AR_PHY_FIND_SIG_FIRSTEP, value);
-               REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW,
-                             AR_PHY_FIND_SIG_FIRSTEP_LOW, value);
 
                if (level != aniState->firstepLevel) {
                        ath_dbg(common, ANI,