ath9k: Use a subroutine to check for short scan

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c
index f2cd960..69674d4 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -540,6 +540,27 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
        }
 }
 
+static bool ath_ant_short_scan_check(struct ath_ant_comb *antcomb)
+{
+       int alt_ratio;
+
+       if (!antcomb->scan || !antcomb->alt_good)
+               return false;
+
+       if (time_after(jiffies, antcomb->scan_start_time +
+                      msecs_to_jiffies(ATH_ANT_DIV_COMB_SHORT_SCAN_INTR)))
+               return true;
+
+       if (antcomb->total_pkt_count == ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT) {
+               alt_ratio = ((antcomb->alt_recv_cnt * 100) /
+                            antcomb->total_pkt_count);
+               if (alt_ratio < ATH_ANT_DIV_COMB_ALT_ANT_RATIO)
+                       return true;
+       }
+
+       return false;
+}
+
 void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
 {
        struct ath_hw_antcomb_conf div_ant_conf;
@@ -574,22 +595,10 @@ void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
        }
 
        /* Short scan check */
-       if (antcomb->scan && antcomb->alt_good) {
-               if (time_after(jiffies, antcomb->scan_start_time +
-                   msecs_to_jiffies(ATH_ANT_DIV_COMB_SHORT_SCAN_INTR)))
-                       short_scan = true;
-               else
-                       if (antcomb->total_pkt_count ==
-                           ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT) {
-                               alt_ratio = ((antcomb->alt_recv_cnt * 100) /
-                                           antcomb->total_pkt_count);
-                               if (alt_ratio < ATH_ANT_DIV_COMB_ALT_ANT_RATIO)
-                                       short_scan = true;
-                       }
-       }
+       short_scan = ath_ant_short_scan_check(antcomb);
 
        if (((antcomb->total_pkt_count < ATH_ANT_DIV_COMB_MAX_PKTCOUNT) ||
-           rs->rs_moreaggr) && !short_scan)
+            rs->rs_moreaggr) && !short_scan)
                return;
 
        if (antcomb->total_pkt_count) {