On Tue, Jan 07, 2014 at 10:33:14AM +0800, 沈光 wrote: > set hub->change_bits when we plug in a device which causes > over-current condition, so that hub_events() will check it. Why? What does this solve? Is this a bug with existing devices that needs to be backported to older kernels? thanks, greg k-h -- 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