mwifiex: reserve passive scan time for radar channel

Active scan is not allowed on radar channel, instead
using passvie scan with more time.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/marvell/mwifiex/scan.c

@@ -482,7 +482,8 @@ mwifiex_scan_create_channel_list(struct mwifiex_private *priv,
 				scan_chan_list[chan_idx].max_scan_time =
 					cpu_to_le16((u16) user_scan_in->
 					chan_list[0].scan_time);
-			else if (ch->flags & IEEE80211_CHAN_NO_IR)
+			else if ((ch->flags & IEEE80211_CHAN_NO_IR) ||
+				 (ch->flags & IEEE80211_CHAN_RADAR))
 				scan_chan_list[chan_idx].max_scan_time =
 					cpu_to_le16(adapter->passive_scan_time);
 			else
@@ -502,10 +503,12 @@ mwifiex_scan_create_channel_list(struct mwifiex_private *priv,
 			scan_chan_list[chan_idx].chan_scan_mode_bitmap
 					|= MWIFIEX_DISABLE_CHAN_FILT;
 
-			if (filtered_scan) {
+			if (filtered_scan &&
+			    !((ch->flags & IEEE80211_CHAN_NO_IR) ||
+			      (ch->flags & IEEE80211_CHAN_RADAR)))
 				scan_chan_list[chan_idx].max_scan_time =
 				cpu_to_le16(adapter->specific_scan_time);
-			}
+
 			chan_idx++;
 		}