From: Oleksij Rempel <linux@rempel-privat.de>
Date: Wed, 26 Feb 2014 09:03:44 +0000 (+0100)
Subject: ath9k_htc: remove unused variable sleepduration
X-Git-Tag: next-20140306~62^2~52
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=527492eefcee253e33bbe79bcfef6bedf9935492;p=karo-tx-linux.git

ath9k_htc: remove unused variable sleepduration

sleepduration is always = intval.

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
index 8b5757734596..a00ddb9e737e 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -69,7 +69,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv,
 	struct ath_common *common = ath9k_hw_common(priv->ah);
 	struct ath9k_beacon_state bs;
 	enum ath9k_int imask = 0;
-	int dtimperiod, dtimcount, sleepduration;
+	int dtimperiod, dtimcount;
 	int bmiss_timeout;
 	u32 nexttbtt = 0, intval, tsftu;
 	__be32 htc_imask = 0;
@@ -94,10 +94,6 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv,
 	if (dtimcount >= dtimperiod)	/* NB: sanity check */
 		dtimcount = 0;
 
-	sleepduration = intval;
-	if (sleepduration <= 0)
-		sleepduration = intval;
-
 	/*
 	 * Pull nexttbtt forward to reflect the current
 	 * TSF and calculate dtim state for the result.
@@ -128,15 +124,11 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv,
 	 * need calculate based	on the beacon interval.  Note that we clamp the
 	 * result to at most 15 beacons.
 	 */
-	if (sleepduration > intval) {
-		bs.bs_bmissthreshold = ATH_DEFAULT_BMISS_LIMIT / 2;
-	} else {
-		bs.bs_bmissthreshold = DIV_ROUND_UP(bmiss_timeout, intval);
-		if (bs.bs_bmissthreshold > 15)
-			bs.bs_bmissthreshold = 15;
-		else if (bs.bs_bmissthreshold <= 0)
-			bs.bs_bmissthreshold = 1;
-	}
+	bs.bs_bmissthreshold = DIV_ROUND_UP(bmiss_timeout, intval);
+	if (bs.bs_bmissthreshold > 15)
+		bs.bs_bmissthreshold = 15;
+	else if (bs.bs_bmissthreshold <= 0)
+		bs.bs_bmissthreshold = 1;
 
 	/*
 	 * Calculate sleep duration. The configuration is given in ms.
@@ -148,7 +140,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv,
 	 */
 
 	bs.bs_sleepduration = TU_TO_USEC(roundup(IEEE80211_MS_TO_TU(100),
-						 sleepduration));
+						 intval));
 	if (bs.bs_sleepduration > bs.bs_dtimperiod)
 		bs.bs_sleepduration = bs.bs_dtimperiod;