mwl8k: get rid of mwl8k_conf_tx() workqueue use

	return mwl8k_rts_threshold(hw, MWL8K_CMD_SET, value);

}

struct mwl8k_conf_tx_worker {

	struct mwl8k_work_struct header;

	u16 queue;

	const struct ieee80211_tx_queue_params *params;

};

static int mwl8k_conf_tx_wt(struct work_struct *wt)

{

	struct mwl8k_conf_tx_worker *worker =

	(struct mwl8k_conf_tx_worker *)wt;

	struct ieee80211_hw *hw = worker->header.hw;

	u16 queue = worker->queue;

	const struct ieee80211_tx_queue_params *params = worker->params;

	struct mwl8k_priv *priv = hw->priv;

	int rc = 0;

	if (!priv->wmm_enabled) {

		if (mwl8k_set_wmm(hw, 1)) {

			rc = -EINVAL;

			goto mwl8k_conf_tx_exit;

		}

	}

	if (mwl8k_set_edca_params(hw, GET_TXQ(queue), params->cw_min,

		params->cw_max, params->aifs, params->txop))

			rc = -EINVAL;

mwl8k_conf_tx_exit:

	return rc;

}

static int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue,

			 const struct ieee80211_tx_queue_params *params)

{

	struct mwl8k_priv *priv = hw->priv;

	int rc;

	struct mwl8k_conf_tx_worker *worker;

	worker = kzalloc(sizeof(*worker), GFP_KERNEL);

	if (worker == NULL)

		return -ENOMEM;

	rc = mwl8k_fw_lock(hw);

	if (!rc) {

		if (!priv->wmm_enabled)

			rc = mwl8k_set_wmm(hw, 1);

	worker->queue = queue;

	worker->params = params;

	rc = mwl8k_queue_work(hw, &worker->header, mwl8k_conf_tx_wt);

	kfree(worker);

	if (rc == -ETIMEDOUT) {

		printk(KERN_ERR "%s() timed out\n", __func__);

		rc = -EINVAL;

		if (!rc)

			rc = mwl8k_set_edca_params(hw, queue,

						   params->cw_min,

						   params->cw_max,

						   params->aifs,

						   params->txop);

		mwl8k_fw_unlock(hw);

	}

	return rc;

}