openwrtv4/package/kernel/mac80211/patches/316-ath9k-Remove-some-defined-constants-to-decrease-verb.patch

From: Benjamin Berg <benjamin.berg@open-mesh.com>
Date: Mon, 4 Jul 2016 14:37:24 +0200
Subject: [PATCH] ath9k: Remove some #defined constants to decrease
 verbosity

The removed ATH9K_SLOT_TIME_X constants simply map the value in microseconds
to the same integer. These constants were not used consistently, so fix the
inconsistency issue by replacing all occurances with the integer equivalent.

Signed-off-by: Benjamin Berg <benjamin.berg@open-mesh.com>
---

--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -50,7 +50,7 @@ static void ath9k_beaconq_config(struct
 		txq = sc->tx.txq_map[IEEE80211_AC_BE];
 		ath9k_hw_get_txq_props(ah, txq->axq_qnum, &qi_be);
 		qi.tqi_aifs = qi_be.tqi_aifs;
-		if (ah->slottime == ATH9K_SLOT_TIME_20)
+		if (ah->slottime == 20)
 			qi.tqi_cwmin = 2*qi_be.tqi_cwmin;
 		else
 			qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
--- a/drivers/net/wireless/ath/ath9k/dynack.c
+++ b/drivers/net/wireless/ath/ath9k/dynack.c
@@ -280,7 +280,7 @@ EXPORT_SYMBOL(ath_dynack_sample_ack_ts);
 void ath_dynack_node_init(struct ath_hw *ah, struct ath_node *an)
 {
 	/* ackto = slottime + sifs + air delay */
-	u32 ackto = ATH9K_SLOT_TIME_9 + 16 + 64;
+	u32 ackto = 9 + 16 + 64;
 	struct ath_dynack *da = &ah->dynack;
 
 	an->ackto = ackto;
@@ -315,7 +315,7 @@ EXPORT_SYMBOL(ath_dynack_node_deinit);
 void ath_dynack_reset(struct ath_hw *ah)
 {
 	/* ackto = slottime + sifs + air delay */
-	u32 ackto = ATH9K_SLOT_TIME_9 + 16 + 64;
+	u32 ackto = 9 + 16 + 64;
 	struct ath_dynack *da = &ah->dynack;
 
 	da->lto = jiffies;
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -45,7 +45,7 @@ void ath9k_htc_beaconq_config(struct ath
 		 * Long slot time  : 2x cwmin
 		 * Short slot time : 4x cwmin
 		 */
-		if (ah->slottime == ATH9K_SLOT_TIME_20)
+		if (ah->slottime == 20)
 			qi.tqi_cwmin = 2*qi_be.tqi_cwmin;
 		else
 			qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -678,7 +678,7 @@ static int ath9k_init_priv(struct ath9k_
 
 	for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++)
 		priv->beacon.bslot[i] = NULL;
-	priv->beacon.slottime = ATH9K_SLOT_TIME_9;
+	priv->beacon.slottime = 9;
 
 	ath9k_cmn_init_channels_rates(common);
 	ath9k_cmn_init_crypto(ah);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -454,7 +454,7 @@ static void ath9k_hw_init_defaults(struc
 	if (AR_SREV_9100(ah))
 		ah->sta_id1_defaults |= AR_STA_ID1_AR9100_BA_FIX;
 
-	ah->slottime = ATH9K_SLOT_TIME_9;
+	ah->slottime = 9;
 	ah->globaltxtimeout = (u32) -1;
 	ah->power_mode = ATH9K_PM_UNDEFINED;
 	ah->htc_reset_init = true;
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -372,7 +372,7 @@ static void ath9k_init_misc(struct ath_s
 
 	common->last_rssi = ATH_RSSI_DUMMY_MARKER;
 	memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
-	sc->beacon.slottime = ATH9K_SLOT_TIME_9;
+	sc->beacon.slottime = 9;
 
 	for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++)
 		sc->beacon.bslot[i] = NULL;
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -65,10 +65,6 @@
 #define INIT_SSH_RETRY  32
 #define INIT_SLG_RETRY  32
 
-#define ATH9K_SLOT_TIME_6 6
-#define ATH9K_SLOT_TIME_9 9
-#define ATH9K_SLOT_TIME_20 20
-
 #define ATH9K_TXERR_XRETRY         0x01
 #define ATH9K_TXERR_FILT           0x02
 #define ATH9K_TXERR_FIFO           0x04
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -926,7 +926,7 @@ static void ath9k_vif_iter(struct ath9k_
 	}
 
 	if (!vif->bss_conf.use_short_slot)
-		iter_data->slottime = ATH9K_SLOT_TIME_20;
+		iter_data->slottime = 20;
 
 	switch (vif->type) {
 	case NL80211_IFTYPE_AP:
@@ -999,7 +999,7 @@ void ath9k_calculate_iter_data(struct at
 	 */
 	memset(iter_data, 0, sizeof(*iter_data));
 	eth_broadcast_addr(iter_data->mask);
-	iter_data->slottime = ATH9K_SLOT_TIME_9;
+	iter_data->slottime = 9;
 
 	list_for_each_entry(avp, &ctx->vifs, list)
 		ath9k_vif_iter(iter_data, avp->vif->addr, avp->vif);
@@ -1061,7 +1061,7 @@ static void ath9k_set_offchannel_state(s
 	ah->opmode = vif->type;
 	ah->imask &= ~ATH9K_INT_SWBA;
 	ah->imask &= ~ATH9K_INT_TSFOOR;
-	ah->slottime = ATH9K_SLOT_TIME_9;
+	ah->slottime = 9;
 
 	ath_hw_setbssidmask(common);
 	ath9k_hw_setopmode(ah);
@@ -1788,6 +1788,7 @@ static void ath9k_bss_info_changed(struc
 			slottime = 9;
 		else
 			slottime = 20;
+
 		if (vif->type == NL80211_IFTYPE_AP) {
 			/*
 			 * Defer update, so that connected stations can adjust