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 8b575773459677055fe6b427e8443f65796c4ae2..a00ddb9e737ed46fea8b72bf71139ddef12e7574 100644 (file)
--- 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;