rt2x00: Move start() and stop() handlers into rt2x00lib.c

suspend & resume was broken since it called rt2x00mac_start()
and rt2x00mac_stop() which would fail to execute because the
DEVICE_PRESENT flag was not set.

Move the start and stop handlers into rt2x00lib.c which are called
from rt2x00mac_start() and rt2x00mac_stop() after they have checked
the DEVICE_PRESENT flag, while suspend and resume handlers can
directly call those functions.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 1ab2fb6c..e99d167 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -139,41 +139,11 @@
 int rt2x00mac_start(struct ieee80211_hw *hw)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
-	int status;
 
-	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags) ||
-	    test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
 		return 0;
 
-	/*
-	 * If this is the first interface which is added,
-	 * we should load the firmware now.
-	 */
-	if (test_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags)) {
-		status = rt2x00lib_load_firmware(rt2x00dev);
-		if (status)
-			return status;
-	}
-
-	/*
-	 * Initialize the device.
-	 */
-	status = rt2x00lib_initialize(rt2x00dev);
-	if (status)
-		return status;
-
-	/*
-	 * Enable radio.
-	 */
-	status = rt2x00lib_enable_radio(rt2x00dev);
-	if (status) {
-		rt2x00lib_uninitialize(rt2x00dev);
-		return status;
-	}
-
-	__set_bit(DEVICE_STARTED, &rt2x00dev->flags);
-
-	return 0;
+	return rt2x00lib_start(rt2x00dev);
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_start);
 
@@ -184,13 +154,7 @@
 	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
 		return;
 
-	/*
-	 * Perhaps we can add something smarter here,
-	 * but for now just disabling the radio should do.
-	 */
-	rt2x00lib_disable_radio(rt2x00dev);
-
-	__clear_bit(DEVICE_STARTED, &rt2x00dev->flags);
+	rt2x00lib_stop(rt2x00dev);
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_stop);