rt2x00dev.c

	/*
	 * Allocate ring array.
	 */
	retval = rt2x00lib_alloc_rings(rt2x00dev);
	if (retval)
		goto exit;

	/*
	 * Initialize ieee80211 structure.
	 */
	retval = rt2x00lib_probe_hw(rt2x00dev);
	if (retval) {
		ERROR(rt2x00dev, "Failed to initialize hw.\n");
		goto exit;
	}

	/*
	 * Allocatie rfkill.
	 */
	retval = rt2x00rfkill_allocate(rt2x00dev);
	if (retval)
		goto exit;

	/*
	 * Open the debugfs entry.
	 */
	rt2x00debug_register(rt2x00dev);

	__set_bit(DEVICE_PRESENT, &rt2x00dev->flags);

	return 0;

exit:
	rt2x00lib_remove_dev(rt2x00dev);

	return retval;
}
EXPORT_SYMBOL_GPL(rt2x00lib_probe_dev);

void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
{
	__clear_bit(DEVICE_PRESENT, &rt2x00dev->flags);

	/*
	 * Disable radio.
	 */
	rt2x00lib_disable_radio(rt2x00dev);

	/*
	 * Uninitialize device.
	 */
	rt2x00lib_uninitialize(rt2x00dev);

	/*
	 * Close debugfs entry.
	 */
	rt2x00debug_deregister(rt2x00dev);

	/*
	 * Free rfkill
	 */
	rt2x00rfkill_free(rt2x00dev);

	/*
	 * Free ieee80211_hw memory.
	 */
	rt2x00lib_remove_hw(rt2x00dev);

	/*
	 * Free firmware image.
	 */
	rt2x00lib_free_firmware(rt2x00dev);

	/*
	 * Free ring structures.
	 */
	rt2x00lib_free_rings(rt2x00dev);
}
EXPORT_SYMBOL_GPL(rt2x00lib_remove_dev);

/*
 * Device state handlers
 */
#ifdef CONFIG_PM
int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state)
{
	int retval;

	NOTICE(rt2x00dev, "Going to sleep.\n");
	__clear_bit(DEVICE_PRESENT, &rt2x00dev->flags);

	/*
	 * Only continue if mac80211 has open interfaces.
	 */
	if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags))
		goto exit;
	__set_bit(DEVICE_STARTED_SUSPEND, &rt2x00dev->flags);

	/*
	 * Disable radio and unitialize all items
	 * that must be recreated on resume.
	 */
	rt2x00mac_stop(rt2x00dev->hw);
	rt2x00lib_uninitialize(rt2x00dev);
	rt2x00debug_deregister(rt2x00dev);

exit:
	/*
	 * Set device mode to sleep for power management.
	 */
	retval = rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_SLEEP);
	if (retval)
		return retval;

	return 0;
}
EXPORT_SYMBOL_GPL(rt2x00lib_suspend);

int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
{
	struct interface *intf = &rt2x00dev->interface;
	int retval;

	NOTICE(rt2x00dev, "Waking up.\n");
	__set_bit(DEVICE_PRESENT, &rt2x00dev->flags);

	/*
	 * Open the debugfs entry.
	 */
	rt2x00debug_register(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 = rt2x00mac_start(rt2x00dev->hw);
	if (retval)
		goto exit;

	/*
	 * Reconfigure device.
	 */
	rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf, 1);
	if (!rt2x00dev->hw->conf.radio_enabled)
		rt2x00lib_disable_radio(rt2x00dev);

	rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
	rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
	rt2x00lib_config_type(rt2x00dev, intf->type);

	/*
	 * 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_start_queues(rt2x00dev->hw);

	/*
	 * When in Master or Ad-hoc mode,
	 * restart Beacon transmitting by faking a beacondone event.
	 */
	if (intf->type == IEEE80211_IF_TYPE_AP ||
	    intf->type == IEEE80211_IF_TYPE_IBSS)
		rt2x00lib_beacondone(rt2x00dev);

	return 0;

exit:
	rt2x00lib_disable_radio(rt2x00dev);
	rt2x00lib_uninitialize(rt2x00dev);
	rt2x00debug_deregister(rt2x00dev);

	return retval;
}
EXPORT_SYMBOL_GPL(rt2x00lib_resume);
#endif /* CONFIG_PM */

/*
 * rt2x00lib module information.
 */
MODULE_AUTHOR(DRV_PROJECT);
MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION("rt2x00 library");
MODULE_LICENSE("GPL");