linux-2.6.33/__pm_request_resume() の履歴(No.1)

• 履歴一覧
• 差分 を表示
• 現在との差分 を表示
• ソース を表示
• linux-2.6.33/__pm_request_resume() へ行く。
  • 1 (2010-06-11 (金) 11:53:16)

参照元†

• linux-2.6.33/pm_request_resume()

説明†

• パス: [[linux-2.6.33/]]

• FIXME: これは何？
  • 説明

引数†

• struct device *dev
  • linux-2.6.33/device

返り値†

• int

参考†

実装†

/**
 * pm_request_resume - Submit a resume request for given device.
 * @dev: Device to resume.
 *
 * This function must be called under dev->power.lock with interrupts disabled.
 */
static int __pm_request_resume(struct device *dev)
{
	int retval = 0;

	if (dev->power.runtime_error)
		return -EINVAL;

	if (dev->power.runtime_status == RPM_ACTIVE)
		retval = 1;
	else if (dev->power.runtime_status == RPM_RESUMING)
		retval = -EINPROGRESS;
	else if (dev->power.disable_depth > 0)
		retval = -EAGAIN;
	if (retval < 0)
		return retval;

	pm_runtime_deactivate_timer(dev);

• • linux-2.6.33/pm_runtime_deactivate_timer()

	if (dev->power.runtime_status == RPM_SUSPENDING) {
		dev->power.deferred_resume = true;
		return retval;
	}
	if (dev->power.request_pending) {
		/* If non-resume request is pending, we can overtake it. */
		dev->power.request = retval ? RPM_REQ_NONE : RPM_REQ_RESUME;
		return retval;
	}
	if (retval)
		return retval;

	dev->power.request = RPM_REQ_RESUME;
	dev->power.request_pending = true;
	queue_work(pm_wq, &dev->power.work);

• • linux-2.6.33/queue_work()

	return retval;
}

コメント†