ath9k: Use bitops for scan flag

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/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 8a1888d..579ed9c 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -646,6 +646,7 @@
 	SC_OP_ANI_RUN,
 	SC_OP_PRIM_STA_VIF,
 	SC_OP_HW_RESET,
+	SC_OP_SCANNING,
 };
 
 /* Powersave flags */
@@ -759,7 +760,6 @@
 	struct rchan *rfs_chan_spec_scan;
 	enum spectral_mode spectral_mode;
 	struct ath_spec_scan spec_config;
-	int scanning;
 
 #ifdef CONFIG_PM_SLEEP
 	atomic_t wow_got_bmiss_intr;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 1cbfdd4..ec6524a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1272,7 +1272,7 @@
 				curchan->center_freq);
 		} else {
 			/* perform spectral scan if requested. */
-			if (sc->scanning &&
+			if (test_bit(SC_OP_SCANNING, &sc->sc_flags) &&
 			    sc->spectral_mode == SPECTRAL_CHANSCAN)
 				ath9k_spectral_scan_trigger(hw);
 		}
@@ -2334,15 +2334,13 @@
 static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
 {
 	struct ath_softc *sc = hw->priv;
-
-	sc->scanning = 1;
+	set_bit(SC_OP_SCANNING, &sc->sc_flags);
 }
 
 static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
 {
 	struct ath_softc *sc = hw->priv;
-
-	sc->scanning = 0;
+	clear_bit(SC_OP_SCANNING, &sc->sc_flags);
 }
 
 struct ieee80211_ops ath9k_ops = {