ath9k: Clear TSF2 properly
authorSujith Manoharan <c_manoha@qca.qualcomm.com>
Mon, 2 Feb 2015 12:51:12 +0000 (18:21 +0530)
committerKalle Valo <kvalo@codeaurora.org>
Fri, 6 Feb 2015 06:39:37 +0000 (08:39 +0200)
Chips in the AR9003 family have a second TSF, which
needs to be cleared when putting the card to
sleep.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/ath/ath9k/ar9003_wow.c
drivers/net/wireless/ath/ath9k/reg.h

index cf45b91..2dc50a0 100644 (file)
@@ -35,6 +35,15 @@ static void ath9k_hw_set_powermode_wow_sleep(struct ath_hw *ah)
                return;
        }
 
+       if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) {
+               if (!REG_READ(ah, AR_MAC_PCU_GEN_TIMER_TSF_SEL))
+                       REG_CLR_BIT(ah, AR_DIRECT_CONNECT, AR_DC_TSF2_ENABLE);
+       } else if (AR_SREV_9485(ah)){
+               if (!(REG_READ(ah, AR_NDP2_TIMER_MODE) &
+                     AR_GEN_TIMERS2_MODE_ENABLE_MASK))
+                       REG_CLR_BIT(ah, AR_DIRECT_CONNECT, AR_DC_TSF2_ENABLE);
+       }
+
        REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_ON_INT);
 }
 
Simple merge