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- From: Zefir Kurtisi <[email protected]>
- Date: Tue, 16 Jun 2015 11:46:42 +0200
- Subject: [PATCH] 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 <[email protected]>
- ---
- --- 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
- 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);
- }
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