On Fri, 11 May 2012, Sarah Sharp wrote: > On Fri, May 11, 2012 at 07:54:04PM +0000, Lan, Tianyu wrote: > > On 2012/5/12 1:44, Alan Stern wrote: > > > This doesn't matter. Disconnections will be handled by > > > usb_reset_and_verify_device(), when it is called by > > > finish_port_resume(). > > This will cause the device to be re-enumerated. Just like > > unplugged and plugged a device. I think this is not what > > we want. Disconnect and create the same device. device > > num is also change. > > Tianyu, do you have CONFIG_USB_PERSIST turned on? > > Alan, do you know if that will that only help in this case after the > host controller PCI device is in D3hot? See check_port_resume_type() in hub.c. It doesn't care what the reason is for loss connectivity during suspend or what state the host controller was in. 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
