ath9k: Fix get channel default noise floor

Commit 8da58553cc63 ("ath9k: Use calibrated noise floor value
when available") introduced regression in ath9k_hw_getchan_noise
where per chain nominal noise floor has been taken instead default
for channel.
Revert to original default channel noise floor.

Fixes: 8da58553cc63 ("ath9k: Use calibrated noise floor value when available")
Reported-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 3d9447e..695c779 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -72,7 +72,7 @@ static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
 s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan,
                           s16 nf)
 {
-       s8 noise = ath9k_hw_get_default_nf(ah, chan, 0);
+       s8 noise = ATH_DEFAULT_NOISE_FLOOR;
 
        if (nf) {
                s8 delta = nf - ATH9K_NF_CAL_NOISE_THRESH -