On Fri, 18 Oct 2013, Andiry Xu wrote: > Interesting. I used the following commands: > > #echo disabled > /sys/bus/pci/devices/0000:00:14.0/power/wakeup > #echo enabled > /sys/bus/pci/devices/0000:00:14.0/usb3/power/wakeup > #echo enabled > /sys/bus/pci/devices/0000:00:14.0/usb4/power/wakeup > > And a device plugging to xHCI port does wakeup the system from S3. > The test is performed on a Intel HM76 chipset. > > So it means xHCI driver should clear wakeup flags for suspended ports > in this case, just like ehci driver does. Correct? Yes, I agree. Sarah, is this worth reporting to the Intel chipset engineers as a bug? 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