diff options
| author | Zefir Kurtisi <zefir.kurtisi@neratec.com> | 2015-06-16 11:46:42 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-07-11 19:51:20 +0300 |
| commit | 8f010d9ca88f9023650b2e54b74c84ab63a19d02 (patch) | |
| tree | 4a5204e67e269669eb899f9aff9a2fc7af648aa6 | |
| parent | 00798c38f49eb028b0c5fac01293783206af29fb (diff) | |
ath9k: DFS - consider ext_channel pulses only in HT40 mode
The chip reports radar pulses on extension channel
even if operating in HT20 mode. This patch adds a
sanity check for HT40 mode before it feeds pulses
on extension channel to the pattern detector.
Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/dfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c index e98a9eaba7ff..5025a4e91a8b 100644 --- a/drivers/net/wireless/ath/ath9k/dfs.c +++ b/drivers/net/wireless/ath/ath9k/dfs.c @@ -198,7 +198,8 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data, sc->dfs_prev_pulse_ts = pe.ts; if (ard.pulse_bw_info & PRI_CH_RADAR_FOUND) ath9k_dfs_process_radar_pulse(sc, &pe); - if (ard.pulse_bw_info & EXT_CH_RADAR_FOUND) { + if (IS_CHAN_HT40(ah->curchan) && + ard.pulse_bw_info & EXT_CH_RADAR_FOUND) { pe.freq += IS_CHAN_HT40PLUS(ah->curchan) ? 20 : -20; ath9k_dfs_process_radar_pulse(sc, &pe); } |