wl1251: create wl1251_join()

Better to use wl1251_cmd_join() only for sending the command and move
the logic to wl1251_join().

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index 5e90459..e575b78 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -309,6 +309,34 @@
 	mutex_unlock(&wl->mutex);
 }
 
+static int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel,
+		       u16 beacon_interval, u8 dtim_period)
+{
+	int ret;
+
+	ret = wl1251_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE,
+				     DEFAULT_HW_GEN_MODULATION_TYPE,
+				     wl->tx_mgmt_frm_rate,
+				     wl->tx_mgmt_frm_mod);
+	if (ret < 0)
+		goto out;
+
+
+	ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval,
+			      dtim_period);
+	if (ret < 0)
+		goto out;
+
+	/*
+	 * FIXME: we should wait for JOIN_EVENT_COMPLETE_ID but to simplify
+	 * locking we just sleep instead, for now
+	 */
+	msleep(10);
+
+out:
+	return ret;
+}
+
 static void wl1251_filter_work(struct work_struct *work)
 {
 	struct wl1251 *wl =
@@ -324,8 +352,8 @@
 	if (ret < 0)
 		goto out;
 
-	ret = wl1251_cmd_join(wl, wl->bss_type, wl->channel, wl->beacon_int,
-				   wl->dtim_period);
+	ret = wl1251_join(wl, wl->bss_type, wl->channel, wl->beacon_int,
+			  wl->dtim_period);
 	if (ret < 0)
 		goto out_sleep;
 
@@ -565,8 +593,8 @@
 		goto out;
 
 	if (channel != wl->channel) {
-		ret = wl1251_cmd_join(wl, wl->bss_type, wl->channel,
-				      wl->beacon_int, wl->dtim_period);
+		ret = wl1251_join(wl, wl->bss_type, wl->channel,
+				  wl->beacon_int, wl->dtim_period);
 		if (ret < 0)
 			goto out_sleep;
 
@@ -1123,9 +1151,8 @@
 			goto out;
 
 		if (wl->bss_type != BSS_TYPE_IBSS) {
-			ret = wl1251_cmd_join(wl, wl->bss_type, wl->channel,
-					      wl->beacon_int,
-					      wl->dtim_period);
+			ret = wl1251_join(wl, wl->bss_type, wl->channel,
+					  wl->beacon_int, wl->dtim_period);
 			if (ret < 0)
 				goto out_sleep;
 			wl1251_warning("Set ctsprotect failed %d", ret);
@@ -1151,8 +1178,8 @@
 		if (ret < 0)
 			goto out;
 
-		ret = wl1251_cmd_join(wl, wl->bss_type, wl->beacon_int,
-				      wl->channel, wl->dtim_period);
+		ret = wl1251_join(wl, wl->bss_type, wl->beacon_int,
+				  wl->channel, wl->dtim_period);
 
 		if (ret < 0)
 			goto out;