usb_create_hcd
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## Name

usb_create_hcd — create and initialize an HCD structure

## Synopsis

`struct usb_hcd * usb_create_hcd (` | const struct hc_driver * driver,
| struct device * dev,
| const char * bus_name`)`;

## 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

## 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`.

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