.TH "usb_alloc_bus" 9 "usb_alloc_bus" "25 May 1998" "Kernel Hacker's Manual" LINUX
.SH NAME
usb_alloc_bus \-  creates a new USB host controller structure
.SH SYNOPSIS
.B "struct usb_bus *" usb_alloc_bus
.BI "(struct usb_operations *" op ");"
.SH ARGUMENTS
.IP "op" 12
 pointer to a struct usb_operations that this bus structure should use
.SH "DESCRIPTION"
Creates a USB host controller bus structure with the specified 
usb_operations and initializes all the necessary internal objects.
(For use only by USB Host Controller Drivers.)

If no memory is available, NULL is returned.

The caller should call \fBusb_free_bus\fP when it is finished with the structure.