On Thu, Sep 20, 2012 at 11:23 PM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote: > > I will try to study 'lsusb' to see if there is one problem and try to solve it. If what you concern is about accessing device via libusb, it should be OK since the device will be resumed in its open() and suspended in its close(). Could you let me know if there is other thing which may cause 'lsusb' mess if we change hub's autosuspend delay as 0? Thanks -- Ming Lei -- 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