On Tue, 7 Nov 2017, Ivid Suvarna wrote: > Hi, > > I am trying to support suspend to disk(hibernate) on Hikey with 4.4 > kernel. During suspend, I could see the usb devices getting reset and I > can access them properly. Message can be seen as below: > > usb 1-1: reset high-speed USB device number 2 using dwc2 > usb 1-1.2: reset high-speed USB device number 3 using dwc2 > usb 1-1.2.4: reset high-speed USB device number 4 using dwc2 You might start by asking why the devices need to be reset during suspend. I can't see any reason for doing this. 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