static int sdev_runtime_resume(struct device *dev)
{
struct scsi_device *sdev = to_scsi_device(dev);
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
int (*cb)(struct device *) = pm ? pm->runtime_resume : NULL;
if (sdev->request_queue->dev)
return sdev_blk_runtime_resume(sdev, cb);
else
return scsi_dev_type_resume(dev, cb);
}
static int scsi_runtime_resume(struct device *dev)
{
int err = 0;
dev_dbg(dev, "scsi_runtime_resume\n");
if (scsi_is_sdev_device(dev))
err = scsi_dev_type_resume(dev);
/* Insert hooks here for targets, hosts, and transport classes */
return err;
}
static int scsi_runtime_resume(struct device *dev)
{
int err = 0;
dev_dbg(dev, "scsi_runtime_resume\n");
if (scsi_is_sdev_device(dev))
err = scsi_dev_type_resume(dev);
return err;
}
static int scsi_bus_resume_common(struct device *dev)
{
int err = 0;
if (scsi_is_sdev_device(dev))
err = scsi_dev_type_resume(dev);
if (err == 0) {
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
}
return err;
}
static int scsi_bus_resume_common(struct device *dev)
{
int err = 0;
if (scsi_is_sdev_device(dev)) {
/*
* Parent device may have runtime suspended as soon as
* it is woken up during the system resume.
*
* Resume it on behalf of child.
*/
pm_runtime_get_sync(dev->parent);
err = scsi_dev_type_resume(dev);
pm_runtime_put_sync(dev->parent);
}
if (err == 0) {
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
}
return err;
}
static void async_sdev_restore(void *dev, async_cookie_t cookie)
{
scsi_dev_type_resume(dev, do_scsi_restore);
}
static void async_sdev_thaw(void *dev, async_cookie_t cookie)
{
scsi_dev_type_resume(dev, do_scsi_thaw);
}
