Merge "soc: qcom: glink_bgcom_xprt: Fix possible nested sleep issue"

				 uint32_t size)

{

	int ret;

	DEFINE_WAIT(wait);

	DEFINE_WAIT_FUNC(wait, woken_wake_function);

	mutex_lock(&einfo->write_lock);

	add_wait_queue(&einfo->tx_blocked_queue, &wait);

	while (glink_bgcom_get_tx_avail(einfo) < (size/WORD_SIZE)) {

		send_tx_blocked_signal(einfo);

		prepare_to_wait(&einfo->tx_blocked_queue, &wait,

				TASK_UNINTERRUPTIBLE);

		if (glink_bgcom_get_tx_avail(einfo) < (size/WORD_SIZE)

							&& !einfo->in_ssr) {

			mutex_unlock(&einfo->write_lock);

			schedule();

			mutex_lock(&einfo->write_lock);

		}

		finish_wait(&einfo->tx_blocked_queue, &wait);

		if (einfo->in_ssr) {

			remove_wait_queue(&einfo->tx_blocked_queue, &wait);

			mutex_unlock(&einfo->write_lock);

			return -EFAULT;

		}

		mutex_unlock(&einfo->write_lock);

		wait_woken(&wait, TASK_UNINTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);

		mutex_lock(&einfo->write_lock);

	}

	remove_wait_queue(&einfo->tx_blocked_queue, &wait);

	ret = glink_bgcom_xprt_tx_cmd_safe(einfo, src, size);

	mutex_unlock(&einfo->write_lock);

	return ret;