ath9k: fetch survey data for all channels

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23154 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 23 insertions, 0 deletions

diff --git a/package/mac80211/patches/512-ath9k_survey_no_bogus_nf.patch b/package/mac80211/patches/512-ath9k_survey_no_bogus_nf.patch
new file mode 100644
index 000000000..798e59c3a
--- /dev/null
+++ b/package/mac80211/patches/512-ath9k_survey_no_bogus_nf.patch
@@ -0,0 +1,23 @@
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -2005,15 +2005,17 @@ static int ath9k_get_survey(struct ieee8
+ 	struct ath_wiphy *aphy = hw->priv;
+ 	struct ath_softc *sc = aphy->sc;
+ 	struct ath_hw *ah = sc->sc_ah;
+-	struct ath_common *common = ath9k_hw_common(ah);
+ 	struct ieee80211_conf *conf = &hw->conf;
+ 
+ 	 if (idx != 0)
+ 		return -ENOENT;
+ 
+ 	survey->channel = conf->channel;
+-	survey->filled = SURVEY_INFO_NOISE_DBM;
+-	survey->noise = common->ani.noise_floor;
++	survey->filled = 0;
++	if (ah->curchan && ah->curchan->noisefloor) {
++		survey->filled |= SURVEY_INFO_NOISE_DBM;
++		survey->noise = ah->curchan->noisefloor;
++	}
+ 
+ 	return 0;
+ }