ath9k_hw: remove ah->beacon_interval

Signed-off-by: NFelix Fietkau <nbd@openwrt.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/hw.c

@@ -407,7 +407,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	ah->sta_id1_defaults =
 		AR_STA_ID1_CRPT_MIC_ENABLE |
 		AR_STA_ID1_MCAST_KSRCH;
-	ah->beacon_interval = 100;
 	ah->enable_32kHz_clock = DONT_USE_32KHZ;
 	ah->slottime = (u32) -1;
 	ah->globaltxtimeout = (u32) -1;
@@ -1628,8 +1627,6 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 {
 	int flags = 0;
 
-	ah->beacon_interval = beacon_period;
-
 	ENABLE_REGWRITE_BUFFER(ah);
 
 	switch (ah->opmode) {

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

@@ -764,7 +764,6 @@ struct ath_hw {
 	u8 txpower_limit;
 	int16_t txpower_indexoffset;
 	int coverage_class;
-	u32 beacon_interval;
 	u32 slottime;
 	u32 globaltxtimeout;