ath9k: Clear additional WoW events

The events for patterns 8..15 need to be
cleared on wakeup.
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

@@ -230,10 +230,12 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah)
 		AR_PMCTRL_PWR_STATE_D1D3);
 
 	/*
-	 * clear all events
+	 * Clear all events.
 	 */
 	REG_WRITE(ah, AR_WOW_PATTERN,
 		  AR_WOW_CLEAR_EVENTS(REG_READ(ah, AR_WOW_PATTERN)));
+	REG_WRITE(ah, AR_MAC_PCU_WOW4,
+		  AR_WOW_CLEAR_EVENTS2(REG_READ(ah, AR_MAC_PCU_WOW4)));
 
 	/*
 	 * restore the beacon threshold to init value
@@ -251,6 +253,7 @@ u32 ath9k_hw_wow_wakeup(struct ath_hw *ah)
 		ath9k_hw_configpcipowersave(ah, false);
 
 	ah->wow.wow_event_mask = 0;
+	ah->wow.wow_event_mask2 = 0;
 
 	return wow_status;
 }

drivers/net/wireless/ath/ath9k/reg_wow.h

@@ -90,11 +90,13 @@
                                                AR_WOW_BEACON_FAIL |	\
                                                AR_WOW_KEEP_ALIVE_FAIL))
 
+#define AR_WOW2_PATTERN_EN(x)           ((x & 0xff) << 0)
 #define AR_WOW2_PATTERN_FOUND_SHIFT     8
 #define AR_WOW2_PATTERN_FOUND(x)        (x & (0xff << AR_WOW2_PATTERN_FOUND_SHIFT))
 #define AR_WOW2_PATTERN_FOUND_MASK      ((0xff) << AR_WOW2_PATTERN_FOUND_SHIFT)
 
 #define AR_WOW_STATUS2(x)               (x & AR_WOW2_PATTERN_FOUND_MASK)
+#define AR_WOW_CLEAR_EVENTS2(x)         (x & ~(AR_WOW2_PATTERN_EN(0xff)))
 
 #define AR_WOW_AIFS_CNT(x)              (x & 0xff)
 #define AR_WOW_SLOT_CNT(x)              ((x & 0xff) << 8)