Beispiel #1
0
static int scsi_runtime_idle(struct device *dev)
{
	dev_dbg(dev, "scsi_runtime_idle\n");

	/* Insert hooks here for targets, hosts, and transport classes */

	if (scsi_is_sdev_device(dev)) {
		pm_runtime_mark_last_busy(dev);
		pm_runtime_autosuspend(dev);
		return -EBUSY;
	}

	return 0;
}
Beispiel #2
0
static int mei_me_pm_runtime_idle(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct mei_device *dev;

	dev_dbg(&pdev->dev, "rpm: me: runtime_idle\n");

	dev = pci_get_drvdata(pdev);
	if (!dev)
		return -ENODEV;
	if (mei_write_is_idle(dev))
		pm_runtime_autosuspend(device);

	return -EBUSY;
}
/**
 * pm_generic_runtime_idle - Generic runtime idle callback for subsystems.
 * @dev: Device to handle.
 *
 * If PM operations are defined for the @dev's driver and they include
 * ->runtime_idle(), execute it and return its error code, if nonzero.
 * Otherwise, execute pm_runtime_suspend() for the device and return 0.
 */
int pm_generic_runtime_idle(struct device *dev)
{
	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;

	if (pm && pm->runtime_idle) {
		int ret = pm->runtime_idle(dev);
		if (ret)
			return ret;
	}

	if (dev->power.use_autosuspend)
		pm_runtime_autosuspend(dev);
	else
		pm_runtime_suspend(dev);
	return 0;
}
Beispiel #4
0
static int dwc3_runtime_idle(struct device *dev)
{
	struct dwc3     *dwc = dev_get_drvdata(dev);

	switch (dwc->current_dr_role) {
	case DWC3_GCTL_PRTCAP_DEVICE:
		if (dwc3_runtime_checks(dwc))
			return -EBUSY;
		break;
	case DWC3_GCTL_PRTCAP_HOST:
	default:
		/* do nothing */
		break;
	}

	pm_runtime_mark_last_busy(dev);
	pm_runtime_autosuspend(dev);

	return 0;
}
Beispiel #5
0
static int dwc3_runtime_idle(struct device *dev)
{
	struct dwc3     *dwc = dev_get_drvdata(dev);

	switch (dwc->dr_mode) {
	case USB_DR_MODE_PERIPHERAL:
	case USB_DR_MODE_OTG:
		if (dwc3_runtime_checks(dwc))
			return -EBUSY;
		break;
	case USB_DR_MODE_HOST:
	default:
		/* do nothing */
		break;
	}

	pm_runtime_mark_last_busy(dev);
	pm_runtime_autosuspend(dev);

	return 0;
}
Beispiel #6
0
static int scsi_runtime_idle(struct device *dev)
{
    int err;

    dev_dbg(dev, "scsi_runtime_idle\n");

    /* Insert hooks here for targets, hosts, and transport classes */

    if (scsi_is_sdev_device(dev)) {
        struct scsi_device *sdev = to_scsi_device(dev);

        if (sdev->request_queue->dev) {
            pm_runtime_mark_last_busy(dev);
            err = pm_runtime_autosuspend(dev);
        } else {
            err = pm_runtime_suspend(dev);
        }
    } else {
        err = pm_runtime_suspend(dev);
    }
    return err;
}