Name

usb_create_shared_hcd — create and initialize an HCD structure

Synopsis

struct usb_hcd * usb_create_shared_hcd (const struct hc_driver * driver,
 struct device * dev,
 const char * bus_name,
 struct usb_hcd * primary_hcd);
 

Arguments

driver

HC driver that will use this hcd

dev

device for this HC, stored in hcd->self.controller

bus_name

value to store in hcd->self.bus_name

primary_hcd

a pointer to the usb_hcd structure that is sharing the PCI device. Only allocate certain resources for the primary HCD

Context

!in_interrupt

Description

Allocate a struct usb_hcd, with extra space at the end for the HC driver's private data. Initialize the generic members of the hcd structure.

Return

On success, a pointer to the created and initialized HCD structure. On failure (e.g. if memory is unavailable), NULL.