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Commit 527492ee authored by Oleksij Rempel's avatar Oleksij Rempel Committed by John W. Linville
Browse files

ath9k_htc: remove unused variable sleepduration 



sleepduration is always = intval.

Signed-off-by: default avatarOleksij Rempel <linux@rempel-privat.de>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7fbdaa2a

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

+7 −15
Original line number Diff line number Diff line
@@ -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;

	}



	/*

	 * 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;