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ath9k: Add recovery mechanism for hw TSF timer

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Configure the TSF based hardware timer for a channel switch.
Also set up backup software timer, in case the gen timer fails.
This could be caused by a hardware reset.

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>
This commit is contained in:
Felix Fietkau
2014-06-11 16:18:14 +05:30
committed by John W. Linville
parent a899b678d9
commit 42eda11558
4 changed files with 31 additions and 7 deletions
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1
drivers/net/wireless/ath/ath9k/main.c
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@@ -1668,6 +1668,7 @@ void ath9k_p2p_ps_timer(void *priv)
struct ath_node *an;
u32 tsf;
del_timer_sync(&sc->sched.timer);
ath9k_hw_gen_timer_stop(sc->sc_ah, sc->p2p_ps_timer);
ath_chanctx_event(sc, NULL, ATH_CHANCTX_EVENT_TSF_TIMER);