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[7/7] ath9k: Restart TSF2 timers on wakeup

Message ID 1423111964-19626-8-git-send-email-sujith@msujith.org (mailing list archive)
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Sujith Manoharan Feb. 5, 2015, 4:52 a.m. UTC 
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>

When coming out of WoW sleep, check and restart
timers based on TSF2.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath9k/ar9003_wow.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_wow.c b/drivers/net/wireless/ath/ath9k/ar9003_wow.c
index efeb9d7..bea41df9 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;