3 files changed, 3 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index b20469425865..2ca8f7e06174 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -770,6 +770,7 @@ struct ath_softc {
 	struct ath_ant_comb ant_comb;
 	u8 ant_tx, ant_rx;
 	struct dfs_pattern_detector *dfs_detector;
+	u64 dfs_prev_pulse_ts;
 	u32 wow_enabled;
 	/* relay(fs) channel for spectral scan */
 	struct rchan *rfs_chan_spec_scan;
diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c
index e0c740dcfea8..726271c7c330 100644
--- a/drivers/net/wireless/ath/ath9k/dfs.c
+++ b/drivers/net/wireless/ath/ath9k/dfs.c
@@ -178,14 +178,12 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
 	pe.ts = mactime;
 	if (ath9k_postprocess_radar_event(sc, &ard, &pe)) {
 		struct dfs_pattern_detector *pd = sc->dfs_detector;
-#ifdef CONFIG_ATH9K_DEBUGFS
 		ath_dbg(common, DFS,
 			"ath9k_dfs_process_phyerr: channel=%d, ts=%llu, "
 			"width=%d, rssi=%d, delta_ts=%llu\n",
 			pe.freq, pe.ts, pe.width, pe.rssi,
-			pe.ts - sc->debug.stats.dfs_stats.last_ts);
-		sc->debug.stats.dfs_stats.last_ts = pe.ts;
-#endif
+			pe.ts - sc->dfs_prev_pulse_ts);
+		sc->dfs_prev_pulse_ts = pe.ts;
 		DFS_STAT_INC(sc, pulses_processed);
 		if (pd != NULL && pd->add_pulse(pd, &pe)) {
 			DFS_STAT_INC(sc, radar_detected);
diff --git a/drivers/net/wireless/ath/ath9k/dfs_debug.h b/drivers/net/wireless/ath/ath9k/dfs_debug.h
index d9486867a5e0..7936c9126a20 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_debug.h
+++ b/drivers/net/wireless/ath/ath9k/dfs_debug.h
@@ -51,7 +51,6 @@ struct ath_dfs_stats {
 	/* pattern detection stats */
 	u32 pulses_processed;
 	u32 radar_detected;
-	u64 last_ts;
 };
 
 #if defined(CONFIG_ATH9K_DFS_DEBUGFS)