int rt2x00mac_start(struct ieee80211_hw *hw)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
return 0;
return rt2x00lib_start(rt2x00dev);
}
int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
{
int retval;
NOTICE(rt2x00dev, "Waking up.\n");
/*
* Restore/enable extra components.
*/
rt2x00debug_register(rt2x00dev);
rt2x00leds_resume(rt2x00dev);
/*
* Only continue if mac80211 had open interfaces.
*/
if (!__test_and_clear_bit(DEVICE_STARTED_SUSPEND, &rt2x00dev->flags))
return 0;
/*
* Reinitialize device and all active interfaces.
*/
retval = rt2x00lib_start(rt2x00dev);
if (retval)
goto exit;
/*
* Reconfigure device.
*/
retval = rt2x00mac_config(rt2x00dev->hw, &rt2x00dev->hw->conf);
if (retval)
goto exit;
/*
* Iterator over each active interface to
* reconfigure the hardware.
*/
ieee80211_iterate_active_interfaces(rt2x00dev->hw,
rt2x00lib_resume_intf, rt2x00dev);
/*
* We are ready again to receive requests from mac80211.
*/
__set_bit(DEVICE_PRESENT, &rt2x00dev->flags);
/*
* It is possible that during that mac80211 has attempted
* to send frames while we were suspending or resuming.
* In that case we have disabled the TX queue and should
* now enable it again
*/
ieee80211_wake_queues(rt2x00dev->hw);
/*
* During interface iteration we might have changed the
* delayed_flags, time to handles the event by calling
* the work handler directly.
*/
rt2x00lib_intf_scheduled(&rt2x00dev->intf_work);
return 0;
exit:
rt2x00lib_disable_radio(rt2x00dev);
rt2x00lib_uninitialize(rt2x00dev);
rt2x00debug_deregister(rt2x00dev);
return retval;
}