ath9k: Update channel switch timer
TSF time might have been updated by the incoming beacon,
need update the channel switch timer to reflect the change.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index 55165d5..0a38eea 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -589,6 +589,17 @@
ath_chanctx_adjust_tbtt_delta(sc);
sc->sched.beacon_pending = false;
sc->sched.beacon_miss = 0;
+
+ /* TSF time might have been updated by the incoming beacon,
+ * need update the channel switch timer to reflect the change.
+ */
+ tsf_time = sc->sched.switch_start_time;
+ tsf_time -= (u32) sc->cur_chan->tsf_val +
+ ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts, NULL);
+ tsf_time += ath9k_hw_gettsf32(ah);
+
+ ath9k_hw_gen_timer_start(ah, sc->p2p_ps_timer,
+ tsf_time, 1000000);
break;
case ATH_CHANCTX_EVENT_ASSOC:
if (sc->sched.state != ATH_CHANCTX_STATE_FORCE_ACTIVE ||