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From: Sujith Manoharan <sujith@msujith.org>
To: linux-wireless@vger.kernel.org
Subject: [PATCH 7/7] ath9k: Restart TSF2 timers on wakeup
Date: Thu,  5 Feb 2015 10:22:44 +0530	[thread overview]
Message-ID: <1423111964-19626-8-git-send-email-sujith@msujith.org> (raw)
In-Reply-To: <1423111964-19626-1-git-send-email-sujith@msujith.org>

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(+)

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;
 
-- 
2.2.2


      parent reply	other threads:[~2015-02-05  4:49 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-05  4:52 [PATCH 0/7] ath9k patches Sujith Manoharan
2015-02-05  4:52 ` [PATCH 1/7] ath9k: Fix descriptors for keep-alive frame Sujith Manoharan
2015-02-26 13:00   ` [1/7] " Kalle Valo
2015-02-05  4:52 ` [PATCH 2/7] ath9k: Set keep awake timer Sujith Manoharan
2015-02-05  4:52 ` [PATCH 3/7] ath9k: Add new MCI states Sujith Manoharan
2015-02-05  4:52 ` [PATCH 4/7] ath9k: Check MCI PowerSave state Sujith Manoharan
2015-02-05  4:52 ` [PATCH 5/7] ath9k: Handle additional patterns on wakeup Sujith Manoharan
2015-02-05  4:52 ` [PATCH 6/7] ath9k: Clear additional WoW events Sujith Manoharan
2015-02-05  4:52 ` Sujith Manoharan [this message]

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