On Sat, 5 Jan 2013, Lan Tianyu wrote: > > usb_port_runtime_resume can be called while the hub is suspended, > > right? So it needs to call usb_autopm_get_interface and > > usb_autopm_put_interface. > Current, I don't call pm_suspend_ignore_children(&intf->dev, true) in > the hub_probe(). So the hub will not be suspended before port being > suspended. This seems not right. I think I should add > pm_suspend_ignore_children(&intf->dev, true) and call > usb_autopm_get/put_interface() in the port's runtime callback. Yes, that's right. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
