From aa96af82b873aeff93b11fcbb8577e0001dad221 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Thu, 5 Feb 2015 10:22:44 +0530 Subject: [PATCH] ath9k: Restart TSF2 timers on wakeup When coming out of WoW sleep, check and restart timers based on TSF2. Signed-off-by: Sujith Manoharan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/ar9003_wow.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_wow.c b/drivers/net/wireless/ath/ath9k/ar9003_wow.c index efeb9d770899..bea41df9fbd7 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_wow.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_wow.c @@ -252,6 +252,13 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah) if (ah->is_pciexpress) ath9k_hw_configpcipowersave(ah, false); + if (AR_SREV_9462(ah) || AR_SREV_9565(ah) || AR_SREV_9485(ah)) { + u32 dc = REG_READ(ah, AR_DIRECT_CONNECT); + + if (!(dc & AR_DC_TSF2_ENABLE)) + ath9k_hw_gen_timer_start_tsf2(ah); + } + ah->wow.wow_event_mask = 0; ah->wow.wow_event_mask2 = 0; -- 2.34.1