Provided by: linux-doc-2.6.15_2.6.15-23.39_all
usb_alloc_dev - usb device constructor (usbcore-internal)
struct usb_device * usb_alloc_dev (struct usb_device * parent,
struct usb_bus * bus,
parent hub to which device is connected; null to allocate a root hub
bus bus used to access the device
port1 one-based index of port; ignored for root hubs
Only hub drivers (including virtual root hub drivers for host
controllers) should ever call this.
This call may not be used in a non-sleeping context.